Fishing district boundaries: Čiastkové povodie rieky Váh od ústia derivačného kanála po lávku pre peších do Nolčova. Úsek od vtoku turca po Lipovecký most, úseky 50m nad a 50m pod lanovou lavicou cez Váh v Turanoch, železničným mostom v Turanoch, lavicou pre peš The score, the best window of the day and what pushes it up or down Loading data… Water level, temperature, modelled flow and gradient Strečno – Váh · level falling, gauge 11 km away The level is measured at an SHMÚ gauge; it is not the depth of the water in the fishing district. Loading data… Gentle gradient The current is noticeable, with shallows and slacks alternating. A transition between a lowland and a foothill watercourse. Hour by hour, pressure and the next few days Loading data… Where the sun and moon are right now and when the best windows of the day will come Drag along the axis to see where the sun and moon will be. The day lasts 9 h 33 min. Full moon around 24 Nov, new moon around 9 Nov. Solunar theory is not scientifically confirmed; we treat it as a supplement. The golden hour is the time around sunrise and sunset, when fish often bite. Course of the water, spots along the water, character and basic data The line shows the course of the fishing district according to the "Rybárske revíry" data 2026. Verify access points and exact boundaries on site. The most common type: shallows alternate with deeper spots and fish move according to the time of day and temperature. Well-oxygenated water and plentiful food (aquatic insect larvae). Typical of the grayling and barbel zones; gravel bars also serve many fish as spawning grounds. Gentle bends: on one section you will find both deeper scours and shallower bars. A balanced stretch: there is a source of insects and also enough light for aquatic plants. Grows by the water; the roots stabilize the bank and create shelters beneath the surface. The branches hang over the water and provide shade and insects. A typical tree of stream and river banks. A dense root system creates undercut banks and shelters, and the leaves decompose quickly. Fish can move freely along the watercourse; the section is more continuous. The explanation is general and based on the fishing district description in the data and on common fishing practice. Actual conditions on site may differ; check them before you fish. Spots within 3 km of the watercourse are shown. Closed season, fishing hours, minimum sizes and daily limit. For guidance only: check them in the fishing regulations of the fishing district 15 Mar – 31 May fishing for all fish prohibitedoutside this period The ban does not apply 1 May – 31 May during fishing competitions (§ 13, para. 3). It also does not apply to carp waters that are watercourses (but not reservoirs, dead-end, dead and cut-off arms), or to other water bodies (§ 13, para. 5). Check in the fishing regulations of the district which case your district is. The protection periods by species (below) apply independently of this closed season. Applies only outside the closed season. Outside these hours fishing is prohibited (§ 14(b) of the Act). January to April, November, December6.00 – 21.00 h May4.00 – 24.00 h June to October0.00 – 24.00 h Months missing from the table fall within the closed season. The hours in November and December on trout and grayling waters relate to the exception for fishing huchen (§ 13, para. 4 of the Act); check in the fishing regulations what may be caught at that time. On border waters the hours in the permit or the fishing regulations apply (§ 11, para. 2 of the Decree). The Act regulates night fishing in two wordings that seem to contradict each other at first sight, so always ask about it in the fishing regulations of the district or the fishing guard. This is a summary. For baits, hooks and groundbait also read the fishing regulations of the district, because the user may tighten the conditions. The blue and green groups cannot be combined. The limit applies per day, also when fishing in several districts, and once it is reached, fishing for that day ends. The species groups follow the SRZ interpretation of January 2026, not the text of the section directly. The district user may set a lower limit in the permit, in which case the stricter one applies. During this period the species must not be caught, even if the water type otherwise allows fishing at that time. It applies independently of the closed season for all fish. Some species are protected all year round (for example zingel and streber, lampreys, gudgeons, spined loaches, maraena whitefish, Carpathian barbel, sabre carp) and fishing for them is always prohibited. The full list of species is in the guide The fishing law, rule by rule. The shortest length from which you may keep a fish. The district user may raise the size, so look for the valid value in the permit and the fishing regulations. Total length is measured from the front of the head to the end of the longest ray of the tail fin (§ 12, para. 4). No minimum size applies, for example, to sunbleak, Prussian carp, European perch, roach, loach (slíž severný) and invasive species. As of 6 Nov 2026: Act no. 216/2018 Coll. on fisheries (wording effective 1 Jan 2022) and Decree no. 381/2018 Coll. (wording effective 1 Jan 2019); we found no newer wording. The law may change; you can find the current wording on Slov-Lex (Act) and Slov-Lex (Decree). Vítame Vás na nových stránkach SRZ MsO Martin Dňa 01.05.2013 sme oficiálne spustili nové web stránky MsO SRZ Martin. Ako ste si všimli, pripravili sme pre Vás nový vzhľad, spojený s lepšou dostupňosťou… Nearest fishing districts in the same river basin Loading the 3D terrain model… Water quality, river basin, bottom, fish, aquatic insects, wildlife and hazards from open databases. Except for wildlife and hazards, they are also included in the activity score. We assessed 15 factors; 3 of them change the score. The adjustments range from −14 to +12 points so that they do not outweigh the weather and water temperature. They are counted in the score, in the ranking and in the filters. site Nezbudská Lúčka, most on Váh, 4.9 km from the fishing district, standard not met in 1 of 4 years (2022 to 2025) The nearest SHMÚ monitoring site on this watercourse fails the standards only for indicators that are not counted in the score: most streams exceed the extremely low PAH standard (benzo(a)pyrene and similar), and salts, iron or manganese are often natural. You can find the indicators in the breakdown for the fishing district. The nearest SHMÚ monitoring site on the same watercourse: unmet water quality standards for the years 2022 to 2025 (newer years carry more weight). Lack of oxygen and organic pollution directly weaken fish (Davis 1975), ammonium and nitrites are toxic, and nutrients feed algae. The exact amount by which an unmet standard lowers the bite is not verified, so this is angling practice and caution. The deterioration is at most 5 points and only lowers: what SHMÚ does not report is not proof of cleanliness. Benzo(a)pyrene and other PAHs are not counted in the score because most watercourses exceed their extremely low standard. Sources: SHMÚ, surface waters; Government Regulation of the SR no. 269/2010; Davis 1975 catchment above the spot 5,371 km², average flow 84.8 m³/s, HydroRIVERS A large river has a more stable temperature and water level. Small streams heat up and dry out quickly in heat waves; large rivers are more stable. Angling practice and a physical consideration. 0.2× the average month, 1 of 61 observations in the year, iNaturalist Aquatic insects are scarce this month; food near the bottom matters more. Anglers fish "by the insects" (dry and wet fly). A measured relationship between catches and insect hatches is not documented in our sources. Data for these factors is missing or within the normal range: The rules are indicative and based on fishing practice and scientific studies; for each factor you can see how well it is supported. Weather, air pressure and water temperature affect the score more than this data does. Polycyclic aromatic hydrocarbons. The standard for benzo(a)pyrene is extremely low (0.17 ng/l), so most streams exceed it; the main sources are combustion and atmospheric deposition. The data comes from the SHMÚ yearbooks (surface waters 2022 to 2025). The yearbook lists the sites that failed the standard; a site missing from the yearbook is not considered clean. We determine the distance and the match of the watercourse name ourselves, so the assignment is indicative. Last exceeded in 2018: Measured values, year 2025, sampling 27 Oct 2025 (2 samplings, the highest value of the year for each substance): In the yearbooks 2017 to 2025 no exceedance of the standard is recorded at the station. Measured values, year 2025, sampling 11 Sep 2025 (2 samplings, the highest value of the year for each substance): Exceeded in 2025: Measured values, year 2025, sampling 8 Oct 2025 (2 samplings, the highest value of the year for each substance): Last exceeded in 2022: Measured values, year 2025, sampled 25 Mar 2025: Exceeded in 2025: Measured values, year 2025, sampling 28 Oct 2025 (2 samplings, the highest value of the year for each substance): Last exceeded in 2019: Measured values, year 2025, sampled 25 Mar 2025: In the yearbooks 2017 to 2025 no exceedance of the standard is recorded at the station. Measured values, year 2025, sampling 14 Oct 2025 (2 samplings, the highest value of the year for each substance): In the yearbooks 2017 to 2025 no exceedance of the standard is recorded at the station. Measured values, year 2025, sampled 19 May 2025: Groundwater reaches streams as base flow, so the connection to the stream at the fishing district is only indirect. Natural substances (iron, manganese, sulfates, conductivity) are not counted in the yearbook-based assessment. The data comes from the SHMÚ yearbooks (groundwater 2017 to 2025). Treatment plants within 2 km of the fishing district. The treatment plant need not lie upstream of the fishing district; we do not assess the watercourse at the plant. Load is the ratio of the pollution produced to the capacity of the treatment plant (PE = population equivalent). Watercourse from the HydroRIVERS database matched with the fishing district, line deviation about 68 m The data come from a global database with a coarser resolution (tens of metres), so they are only approximate for small waters. Depth and volume are model averages. After rain the water quickly turns turbid and fish hunt more by smell. Springs and groundwater outflows bring cooler water into the watercourse in summer and warmer in winter; fish stay near them in extreme weather. According to the geological map: fluviálne sedimenty: litofaciálne nečlenené nivné hliny, alebo piesčité až štrkovité hliny dolinných nív a nív horských potokov, holocén The fishing district description states the bottom: gravel; the geological map shows something different, and the district description is more precise. The map shows the bedrock geology, not the exact bottom at the spot. The actual bottom material may differ, especially where sediment has been deposited. Few insects November: 0.2× the average month 0.2× the average month, 1 of 61 observations in the year, iNaturalist. The observations are added by people from the surrounding area; they are not measurements at the water. They show when aquatic insects usually appear and are useful mainly for fly fishing. A typical value from 8 groundwater stations within 10 km of the fishing district (nearest 2.3 km), measured in 2025. Closer stations carry more weight. This is groundwater near the district, not a measurement in the watercourse itself. The standard is the limit that SHMÚ gives for the indicator (for drinking water); a value equal to the standard counts as an exceedance, as it does at SHMÚ. The label "somewhere above the standard" means that the typical value is below the standard but at least one station exceeds it; which one is shown on the tile. Fish are more sensitive to some substances than people are. 0,005mg/l far below the standard Standard 0.5 mg/l. Range 0.005 to 0.09 mg/l, 8 stations. < 0,01mg/l not detected Below the limit of quantification (0.01 mg/l), standard 0.5 mg/l. 8 stations. 10,3mg/l below the standard Standard 50 mg/l. Range 1.7 to 28 mg/l, 8 stations. 7,94mg/l enough oxygen Mark on the dial: 9 mg/l, the guideline for salmonid waters. Range 3.93 to 11.1 mg/l, 8 stations. 10,4°C moderate Range 5.75 to 12.1 °C, 8 stations. 7,31 suitable for fish Range 5.83 to 8.19, 8 stations. 3,39mmol/l hard Range 1.33 to 3.51 mmol/l, 6 stations. 0,006mg/l far below the standard Standard 0.2 mg/l. Range 0.001 to 0.013 mg/l, 6 stations. 0,001mg/l far below the standard Standard 0.05 mg/l. Range 0.001 to 0.001 mg/l, 6 stations. 17,9mg/l far below the standard Standard 250 mg/l. Range 0.5 to 86.4 mg/l, 6 stations. 37,2mg/l far below the standard Standard 250 mg/l. Range 8.8 to 40.8 mg/l, 6 stations. 45,8mS/m below the standard Standard 125 mS/m. Range 3.65 to 81.9 mS/m, 8 stations. 15% of standard below the standard Highest: Aluminium 0.03 mg/l (15% of the standard, 2.3 km from the fishing district). 6 stations. 40% of standard below the standard Highest: Methylbentazone 0.04 µg/l (40% of the standard, 8.6 km from the fishing district). 2 stations. 20% of standard below the standard Highest: Sum of PFAS (20 selected indicators) 0.02 µg/l (20% of the standard, 2.3 km from the fishing district). 2 stations. 0% of standard below the standard Highest: sum of PCE (tetrachloroethene) and TCE (trichloroethene) 0.3 µg/l (3% of the standard, 2.3 km from the fishing district). 5 stations. 0% of standard above the standard somewhere Highest: benzo(a)pyrene 0.03 µg/l (300% of the standard, 8.7 km from the fishing district). 5 stations. Above the standard: 1 of 5. Sources Species that have been observed or recorded around the water. Wildlife, plants and hazards do not enter the fishing conditions score and are for information only. The name of a species leads to its page. The most common duck; it nests by almost every water with bankside vegetation. An insect with aquatic larvae. Adults live only briefly and hatch all at once in swarms. It stands in the shallows and lies in wait for small fish. It is easy to see along the banks of ponds and slow streams. Predatory insect. The larvae live underwater for several months to years; adult dragonflies hunt in the air above the water. A small bird that dives for little fish. It nests in steep banks of clean streams. A large white waterbird that nests by slow waters, reservoirs and ponds with vegetation. Black with yellow spots. Lives in deciduous forests by clean mountain streams; the larvae develop in the stream. The largest native toad. In spring it migrates to water, where it breeds. A herbivore that changes the stream and its banks with dams and burrows. It is protected. It creates shallows and pools where fish and insects thrive. A harmless snake with two yellow spots on the nape. It swims well and hunts frogs, fish and newts. It hunts fish, crayfish and frogs. It is strictly protected, and its presence is considered a sign of fairly clean water with plenty of fish. A non-native turtle from America that got into the wild from home pet keeping. It is invasive in Europe. An invasive herb from East Asia that forms dense stands up to three metres tall. An invasive plant from the Himalayas, up to two metres tall, with pink flowers. It overgrows the banks of watercourses. A riparian tree whose roots reach below the water surface. Tall grass that forms extensive reed beds around ponds and on banks. A wetland plant with a brown cylindrical fruiting spike. A tiny floating plant that can cover the whole surface of standing water. Lives in the mountain forests of northern and central Slovakia. Near water it hunts fish and drinks. How to protect yourself: In mountain districts move noisily, do not leave fish, entrails or bait leftovers near your tent, and store food away from where you sleep. If you see a bear, do not run, talk calmly and back away slowly. Never approach the cubs. An invasive plant that grows along stream banks and on wet meadows. In sunlight its sap causes skin burns. How to protect yourself: Do not touch it and do not walk through the vegetation. If the sap gets on your skin, wash it off with water and soap and protect the area from the sun. See a doctor for larger burns. Transmits tick-borne encephalitis and Lyme disease. It waits in tall grass and in the vegetation along banks. How to protect yourself: From spring to autumn check yourself after fishing, use repellent and tuck long trousers into your socks. Remove a tick as soon as possible with tweezers. A vaccination against encephalitis exists. They breed in standing water, so they are worst around reservoirs, oxbow lakes and floodplain forests, especially at sunset. How to protect yourself: When fishing in the evening and at night wear long sleeves, repellent and a net. Warmth and humidity after rain speed up mosquito development. It comes to the water to wallow and drink, mainly at dusk and at night. How to protect yourself: A wild boar sow with piglets can be aggressive. Keep your distance, do not spend the night on a game trail and do not leave food scraps near the water. A venomous snake that basks on rocky slopes, in wetlands and at forest edges near water. How to protect yourself: It is shy and bites only when threatened. On rocky banks do not reach with your hand between the stones, and wear sturdy footwear. After a bite stay calm, do not move the affected limb and call 112. A shy predator of the forests. It comes to the water at night and at dusk. How to protect yourself: Attacks on people are very rare. Keep your camp tidy, do not feed wildlife and keep your dog on a leash. Large biting flies. They are most active on hot, windless days near water and on meadows. How to protect yourself: They sting painfully, especially in summer around midday. Light-colored clothing with long sleeves and repellent help. Wildlife, plants and hazards: records come from observations and also reflect where observers move around; they are not density measurements or a guarantee of an encounter. They apply to the surroundings of about 35 × 55 km. Bedrock, watercourse and springs on the map, values at the location of the water, geomagnetic activity and earthquakes. This is information about the environment; only small hypotheses marked with a confidence level (faults and rocks, geomagnetic storm) enter the score. The bedrock map needs JavaScript to be turned on. Geological map of Slovakia 1 : 50,000: rocks beneath the surface, from alluvial gravels and sands through clays to granites and limestones. Colors follow the ŠGÚDŠ legend; clicking the map shows a description of the rock at that spot. For anglers: Gravel bars and rocky riffles give a clean bottom and habitat for zander, perch and barbel. Clayey and muddy ground holds food for carp and bream. Limestone and dolomite give harder water that is richer in food than granite and quartzite. Radon risk of the bedrock (low, medium, high). It is based on the radioactivity of rocks and on fissures. The map shows the bedrock, not radon in water. For anglers: Radon is a natural tracer of groundwater. Bedrock with a higher radon risk (granite, gneiss, tectonic faults) tends to be where fissure water comes to the surface. Most of Slovakia is "medium", so mainly a high risk is of interest. Equivalent uranium in surface rocks from airborne gamma spectrometry (ppm). From 4 ppm the bedrock is usually classified as having an elevated radon risk. For anglers: A high uranium level is a sign of granite, gneiss and black shales, that is, rocks from which radon and dissolved substances get into the water. It has no direct meaning for bites, but it helps to read the geology of the area. Gamma radiation dose rate in air (nGy/h) from an airborne survey. It is the natural background of the bedrock, not pollution. For anglers: Higher values are found in rocks rich in uranium, thorium and potassium (granite, gneiss, flysch with shales). It complements the uranium map; for an angler it mainly shows where the bedrock changes. Anomalies of the Earth's magnetic field (ΔT, in nT) caused by rocks with magnetic minerals, such as volcanic rocks, basalts or amphibolites. For anglers: Fish (especially salmonids and eels) sense the magnetic field. Whether local anomalies affect their movement and bites has not been shown; it is treated as a hypothesis. Click or tap the map to find the value at that location. low Bedrock with a low radon share. 2,6ppm common Typical background of the rocks. 6,4ppm below the crustal average Natural background of the rocks. 1,32% below the crustal average Natural background of the rocks. 48nGy/h around the world average Natural background of the bedrock. 18nT above the average of the surroundings Deviation of the magnetic field from the average of the surroundings. The values apply to a single spot (marked with a dot on the map), not as an average of the whole watercourse or river basin. Radon is a natural tracer in groundwater; the map does not include radon in water, only the bedrock risk. Mark on the dial: the average of the upper continental crust (uranium 2.7 ppm, thorium 10.5 ppm, potassium 2.3%; Rudnick and Gao 2003) and the world average of the natural outdoor dose 59 nGy/h (UNSCEAR 2000). The needle does not swing towards “good” or “bad”; it only shows where the value lies. Elevated uranium or radon is only information about the rock. It has no proven significance for bites; it helps to read what bedrock the water comes from. up to 250 m fault nearby Tectonic fault on the geological map. 2 groundwater by the watercourse Within 1 km. covered by younger sediments Fissure groundwater flows out of the bedrock along faults and at springs. It tends to be cooler in summer and warmer in winter than the water in the stream, so according to anglers' experience fish stay near such places in extreme weather (summer and winter islands of a more suitable temperature). However, fresh fissure water can have little oxygen. This is anglers' experience, not a phenomenon measured at this fishing district. Faults are from the geological map at 1 : 50,000. Springs come from a hydrogeological map that covers only some regions, so zero does not mean there are no springs there. Alluvium The prevailing group of rocks according to the map. Gravels, sands and loams in the valley tell about the valley floor, not about the rock in the catchment. The water chemistry is determined mainly by the bedrock higher up above the spot. The rock at a single spot does not determine the chemistry of all the water: that depends on the bedrock across the whole catchment above the spot. The figure serves as a hint, not as a measurement. Highest forecast Kp in the next 24 hours: 4.7 (unsettled field). Kp (0 to 9) measures the fluctuation of the Earth's magnetic field caused by the solar wind. From 5 it counts as a geomagnetic storm. Fish, especially salmonids and eels, sense the magnetic field. That their bites depend on Kp has not been shown, though: these are anglers' observations and hypotheses. The value is the same for the whole of Slovakia. It enters the activity score only during a strong geomagnetic storm (a hypothesis, −1 to −2 points). All these tremors are very shallow; they are probably mining tremors (for example in Polish and Czech districts), not tectonic activity. According to angling lore, fish (especially catfish and eels) react restlessly to tremors beforehand or stop biting. This is not reliably proven, and with weak tremors it is coincidence. People mostly do not notice deeper tremors from the Carpathians (for example near Komárno and Dobrá Voda) at all. The GEOFON catalog is global; weak tremors near Slovakia may not all be in it. It is not counted in the activity score. Data: © ŠGÚDŠ (geological, geophysical and hydrogeological maps), NOAA SWPC (Kp index), GFZ GEOFON (earthquakes). A link between the geomagnetic field, tremors or radon and fish bites has not been reliably proven, so they are not counted in the activity score. The method is described in Methodology. Sentinel-2 (optical) and Sentinel-1 (radar), updated roughly every 6 days The watercourse is narrower than a satellite pixel (10 m). The values are therefore taken from a strip around the fishing district line and from pixels where water mixes with the bank, so they are only approximate and may also show the bank. The water surface area is not assessed for a watercourse, and estimates over the water appear in the image only where the watercourse is wider than a satellite pixel. More turbid than usual (×2.3 compared with recent periods). Turbidity above 25 FNU is on 23% of the water surface. An estimate based on the reflectance of the water in the red band. This is a relative aid, not a measurement in NTU. Sentinel-2, 5 Nov 2026, 100% of the area cloud-free Elevated chlorophyll shows on 80% of the water surface. The NDCI index tracks chlorophyll-a in plant plankton (algae, cyanobacteria). It cannot determine the algae species or toxicity. Sentinel-2, 5 Nov 2026 The share of the area with green vegetation (plants on and just below the surface, reeds at the bank). A strip of reeds at the banks may also be counted, so values on small areas may appear higher. Sentinel-2, 5 Nov 2026, 100% of the area cloud-free The share of the area where the satellite sees ice or snow. Over the last 20 days the highest was 0%. The satellite cannot determine the thickness or load-bearing capacity of the ice. Never go onto the ice based on this figure. Sentinel-2, 5 Nov 2026, 100% of the area cloud-free Fish rely more on smell and vibrations. Try more conspicuous, noisier and scented baits (spinners, rattling wobblers, flavoured boilies). Predators, especially wels catfish and pikeperch, tend to be active even by day and in shallows; pike need loud, vibrating lures. Rich food for small fish, so cyprinids and the predators after them also stay near the surface. There may be less oxygen near the bottom. The analysis is based on common angling rules and satellite data. It is an aid, not a bite forecast. The fishing regulations, the permit and the situation on site decide. Data have been stored since 27 Aug 2026 (14 periods of 5 days); the charts show how they develop. Download history (CSV) Estimates from satellite images with a resolution of 10 to 20 m, not a measurement in the water. They are affected by clouds, shadows, wind and banks. Do not use them to decide about swimming or going onto the ice. Data: Contains modified Copernicus Sentinel data 2026, ESA, Copernicus Data Space Ecosystem. The procedure is described in the Methodology. Changes in the surroundings and nature from 2018 to 2024: how the banks, vegetation and landscape around the water change. The images switch automatically; you can also browse them by hand. Orthophoto mosaic of Slovakia © GKÚ Bratislava, NLC Zvolen. The year and day of imaging depend on the location, so individual years may differ in season and weather.
By the water now
Fishing conditionsFish activity indexOur calculation (0–100): the base is set by water temperature, adjusted by light, turbidity, oxygen, weather and other factors according to how well they are supported by studies. For each factor you can see the confidence and the source. A planning aid, not a bite forecast.
Fishing conditions
Fish activity indexOur calculation (0–100): the base is set by water temperature, adjusted by light, turbidity, oxygen, weather and other factors according to how well they are supported by studies. For each factor you can see the confidence and the source. A planning aid, not a bite forecast.Water
Water level
Water levelThe water level at the nearest SHMÚ gauge in centimetres above the gauge zero. It is the water level at the station, not the depth of the water at the fishing district.Modelled flow
Modeled flowAn estimate of the amount of water in the river (m³/s) from the GloFAS model, not a measurement. The resolution is about 5 km, so on small streams it may show a larger river nearby.Elevation profile of the watercourse
Elevation profileHow the altitude of the watercourse changes downstream. It is calculated from a digital relief model (tens of metres), not from a water-level measurement, so it is approximate, especially for narrow streams.Weather and forecast
Weather and forecast
Sky: sun, moon and solunar windowsSolunar periodsCalculated from the position of the Moon: major periods (about 2 h) around the Moon's passage above and below the horizon, minor periods (about 1 h) around moonrise and moonset. A scientifically unconfirmed theory: in a study of 361 fishing trips (Quigley et al. 2023) it did not predict bites. We treat it as a hypothesis with a weight of at most ±2 points.
Sky: sun and moon
Solunar periodsCalculated from the position of the Moon: major periods (about 2 h) around the Moon's passage above and below the horizon, minor periods (about 1 h) around moonrise and moonset. A scientifically unconfirmed theory: in a study of 361 fishing trips (Quigley et al. 2023) it did not predict bites. We treat it as a hypothesis with a weight of at most ±2 points.Sun
MoonMoon phaseAt full and new moon the gravitational effect is strongest. On a clear full-moon night predators and carp often feed at night, and the day after may be weaker.
Windows of the daySolunar periodsCalculated from the position of the Moon: major periods (about 2 h) around the Moon's passage above and below the horizon, minor periods (about 1 h) around moonrise and moonset. A scientifically unconfirmed theory: in a study of 361 fishing trips (Quigley et al. 2023) it did not predict bites. We treat it as a hypothesis with a weight of at most ±2 points.
Map and fishing district data
49.1072, 18.98146
OpenStreetMap
Fishing district details
Characteristics
What this means for anglersexplanation of the bottom, vegetation, watercourse line and other data of this fishing district
Confluences and risk spots
Details
Law and fishing rules
Closed season for all fish
§ 13, paragraphs 3 and 5 of the ActDaily fishing hours
§ 11 of the DecreeRods, baits and fishing days
§ 18 of the ActHow many fish you may keep per day
§ 14 of the DecreeProtection periods by species§ 10 of the Decree
Minimum sizes§ 12 of the Decree
Before and after fishing
News from the organization and catches from the fishing district
Catches from the fishing district
News from the organization
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Nearby fishing districts
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Žilina RegionTerrain in 3D
Water according to public sources
What follows from this
Public sources in the conditions scoreData on oxygen, nutrients, reservoir depth, watercourse size, bottom, fish species and insect swarming slightly adjust the "Fishing conditions" score. Each adjustment is shown separately in the score breakdown.Pollution0
What we know about it
Watercourse, reservoir and bottom+1
What we know about it
Life by the water0
What we know about it
Do not change the score
Water pollution
Water pollution (SHMÚ)Water quality indicators that fail the standards at the nearest monitoring site on the same watercourse in the SHMÚ yearbooks for 2022 to 2025.Surface water: nearest monitoring site
PAHs: 2 substances (not counted in the score)
Other sites on the same watercourse
Groundwater nearby
Groundwater nearby (SHMÚ)Measured groundwater values from stations within 10 km of the fishing district (nitrates, harmful substances, ammonium, iron, chlorides) and the SHMÚ yearbooks.Groundwater within 10 km (8 stations)
Show 5 more
Wastewater treatment plants
Wastewater treatment plants near the fishing districtPlants within 2 km of the district: overload, compliance with EU requirements and discharged load (BOD₅, COD, nitrogen, phosphorus in tonnes per year).River basin and reservoir
Reservoir depth (HydroLAKES)Average depth, volume and water retention time in the reservoir from the HydroLAKES database (WWF). The depth is estimated by a model from the surrounding terrain, so it is approximate.Bottom and bedrock
Bottom and bedrock (ŠGÚDŠ)The bedrock under the water according to the hydrogeological map of Slovakia at 1 : 50,000 (ŠGÚDŠ). It tells whether the surroundings are gravelly, sandy, clayey, muddy or rocky.Aquatic insects
Aquatic insect swarming (iNaturalist)How many observations of mayflies, caddisflies and stoneflies people nearby recorded this month compared with the annual average. For fly anglers it hints at insect hatches.
Mayflies0Mayflies: dry fly on the surface, especially at dusk.
Caddisflies0Caddisflies: in the evening and at night by the bank; a nymph and a wet fly also work.
Stoneflies0Stoneflies: clean, cold streams, often already at the end of winter and in early spring.Photo credits
Groundwater: measured values
Groundwater nearby (SHMÚ)Measured groundwater values from stations within 10 km of the fishing district (nitrates, harmful substances, ammonium, iron, chlorides) and the SHMÚ yearbooks.Ammonium
Nitrites
Nitrates
Oxygen
Water temperature
pH
Water hardness
Iron
Manganese
Chlorides
Sulfates
Conductivity
Metals and metalloids
Pesticides
PFAS (“forever chemicals”)
Solvents and benzene
PAHs (combustion, petroleum substances)
How it affects fish and the water
Fish, wildlife, plants and hazards around the waterWildlife and hazards by the water (GBIF)Game animals, birds, plants and hazards (bear, ticks, mosquitoes, giant hogweed) that people have recorded around the water. It is not part of the fishing conditions score and is for information only.
BirdMallard
Most records: April.
About the species
WildlifeMayflies
Most records: April.
About the species
BirdGrey heron
Most records: April.
About the species
WildlifeDragonflies
Most records: July.
About the species
BirdCommon kingfisher
Most records: September.
About the species
BirdMute swan
Most records: May.
About the species
WildlifeFire salamander
Most records: May.
About the species
WildlifeCommon toad
Most records: June.
About the species
WildlifeEurasian beaver
Most records: January.
About the species
WildlifeGrass snake
Most records: June.
About the species
WildlifeEurasian otter
Most records: February.
About the species
WildlifePond slider
Most records: June.
About the species
Invasive plantJapanese knotweed
Most records: September.
About the species
Invasive plantHimalayan balsam
Most records: September.
About the species
PlantBlack alder
Most records: July.
About the species
PlantCommon reed
Most records: July.
About the species
PlantBroadleaf cattail
Most records: September.
About the species
PlantCommon duckweed
Most records: September.
About the species
RiskBrown bear
Most records: April.
How to protect yourself
RiskGiant hogweed
Most records: June.
How to protect yourself
RiskCastor bean tick
Most records: April.
How to protect yourself
RiskMosquitoes
Most records: September.
How to protect yourself
RiskWild boar
Most records: May.
How to protect yourself
RiskCommon viper
Most records: May.
How to protect yourself
RiskGray wolf
Most records: March.
How to protect yourself
RiskHorseflies
Most records: June.
How to protect yourself
Photo credits
Ground under the water: geology, faults and radon
low 36.7%
medium 63.0%
high 0.3%
no data
0 – 1
1 – 2
2 – 3
3 – 4
4 – 5
5 – 7
7 – 35no data0 – 2020 – 40
40 – 6060 – 8080 – 100100 – 140
140 – 180
180 – 220
220 – 999
-1 217 – -1 000
-1 000 – -250
-250 – -200
-200 – -190
-190 – -180
-180 – -170
-170 – -160
-160 – -150
-150 – -140
-140 – -130
-130 – -120
-120 – -110
-110 – -100
-100 – -90
-90 – -80
-80 – -60
-60 – -40
-40 – -20
-20 – 0
0 – 10
10 – 20
20 – 30
30 – 40
40 – 50
50 – 70
70 – 100
100 – 150
150 – 200
200 – 250
250 – 300
300 – 400
400 – 500
500 – 600
600 – 700
700 – 800
800 – 900
900 – 1 000
1000 – 1 100
1100 – 1 130Values at the water spot
Values at the water spotBedrock radon risk, uranium, thorium, potassium, gamma radiation and magnetic anomaly at a single spot by the water (marked with a dot on the map).Bedrock radon risk
Uranium (eU)
Thorium (eTh)
Potassium (K)
Gamma radiation
Magnetic anomaly (ΔT)
Faults and springs
Faults and springsThe distance to the nearest tectonic fault on the geological map and the number of springs nearby. Fissure groundwater flows out along faults.Nearest fault
Springs and outflows
Rocks and water chemistry
Rocks and water chemistryThe prevailing group of rocks at the water spot and what it usually means for the hardness, pH and richness of the water.Bedrock at the water spot
Geomagnetic activity
Geomagnetic activity (Kp)The planetary Kp index (0 to 9) measures the fluctuation of the Earth's magnetic field. From 5 it counts as a geomagnetic storm. The last 48 hours and a forecast for 24 hours are shown.Earthquakes nearby
Earthquakes nearbyTremors recorded within 150 km of the water in the last 30 days (GFZ GEOFON catalog).From space: what the Copernicus satellites show
Water clarity from the satellite
Water clarity from the satelliteAn estimate of turbidity from the reflection of light off the water surface in the red band of the Sentinel-2 satellite. Clear water reflects little, turbid water a lot. It is a relative aid, not a measurement.Blooms and chlorophyll
Blooms and chlorophyllThe NDCI index compares the reflectance in the red edge (705 nm) and in the red band (665 nm). Higher values mean more chlorophyll-a, i.e. more algae and cyanobacteria in the water.Surface overgrowth
Surface overgrowthThe share of the fishing district's area where the satellite sees green vegetation (NDVI index above 0.3): floating and emergent plants and reeds at the bank.Ice on the surface
Ice on the surfaceThe share of the area where the satellite sees ice or snow. It cannot determine the thickness or load-bearing capacity of the ice.What this means for fishing
What this means for fishingA short analysis based on satellite data and common angling rules. It is an aid, not a bite forecast.Historical images
Waning crescent6% illuminated
Depth: Medium, 1–3 m
Bottom: Gravel bottom
Watercourse line: Slightly undulating line
Shade: Partly shady, 11–40%
Vegetation: Willow
Vegetation: Alder
Cross-channel structures: none
COV VrutkyWastewater discharge point
0,0 kmCOV VrutkyWastewater treatment plant · capacity 211,700 PE
0,0 kmNobody has recorded a catch in this fishing district yetBe the first: after approval it will also appear here in the ranking.
uvitanie
Public data about this water hardly change the activity score.
Surface water quality (SHMÚ)Level of evidence: Anglers' practice
0
Watercourse sizeLevel of evidence: Anglers' practice
+1
Aquatic insect hatchesLevel of evidence: Anglers' practice
0
Nezbudská Lúčka, mostVáh, river km 266.5 · 4.9 km from the fishing district
no unmet standard2022202320242025
Indicator2022202320242025
Nutrients and nitrogen
nitrites●standard not met·standard met·standard met·standard met
Indicator2022202320242025
PAHs (combustion and deposition)
benzo(a)pyrene●standard not met·standard met·standard met·standard met
fluoranthene●standard not met·standard met·standard met·standard met
Martin – PriekopaMartin district · borehole or well · 2.3 km from the fishing district
no exceedance in 20252017 to 2025
Stranavy – Rybnicok 1Žilina district · spring · 5.4 km from the fishing district
no exceedance in 20252017 to 2025
Martin – Mart. Hole K-15Martin district · borehole or well · 7.1 km from the fishing district
natural substances only2017 to 2025
KrasnanyŽilina district · borehole or well · 8.6 km from the fishing district
no exceedance in 20252017 to 2025
MojsŽilina district · borehole or well · 8.7 km from the fishing district
substances from human activity2017 to 2025
Bela – pri VarineŽilina district · spring · 9.4 km from the fishing district
no exceedance in 20252017 to 2025
KostanyMartin district · borehole or well · 9.7 km from the fishing district
no exceedance in 20252017 to 2025
Lubochna – Salatin C.1Ružomberok district · spring · 9.8 km from the fishing district
no exceedance in 20252017 to 2025
COV Vrutkyon the fishing district line · capacity 211,700 PE · mechanical, biological, nitrogen and phosphorus removal
within the standard16% of capacity
Clays and loams
Geology
Radon risk
Uranium (eU)
Gamma radiation
Magnetics
Poland4 Nov 03:47, 116 km from the water, depth 1 kmprobably a mining tremor (shallow below the surface)
Poland3 Nov 23:05, 110 km from the water, depth 1 kmprobably a mining tremor (shallow below the surface)
Poland8 Oct 21:45, 125 km from the water, depth 1 kmprobably a mining tremor (shallow below the surface)
dry groundwaterNDWI index
bare grounddense vegetationNDVI index
clearturbid0 to 90 FNU
littlea lot of chlorophyllNDCI index
sparsedense vegetationNDVI index
≈ 29 FNUTurbid water
NDCI 0,27High chlorophyll, possible bloom
0 % of areaClean surface
0 % of areaNo ice
Turbid water
Many algae and plankton