Río Negro

River fishing Uruguay · 07:46 - 17:48

Río Negro is a river in Uruguay. Flowing water with species ranked by weather, temperature and season, see below.

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Prime 86% The bite right now

Top bet: Common Snook Active through the night, water near its preferred 22 degrees, peak season.

Best day to fish

Tomorrow

98%

15°

Sun

94%

14°

Mon

90%

11°

Tue

100%

12°

Best day

Wed

93%

12°

The bite over the next days, scored at dusk. Based on the weather forecast, so it is guidance, not guarantees.

Conditions right now

Weather

Mainly clear

Water temp (est.)

22°C

Air temp

8°C

Wind

3 m/s

Pressure

1022 hPa → stable

Clouds

30.0%

Water temperature is an estimate based on weather and season.

Updated 2026-06-26 03:03

Best times today

Dawn 07:01–09:01 Dusk 16:33–18:33 Night 18:33–07:01

Local time at the spot, from the most likely species' daily rhythm.

Feeding times today

Waxing gibbous 87% lit

Major period 21:00–23:00 Major period 09:00–11:00 Minor period 14:04–15:34 Minor period 04:26–05:56

Solunar times are a traditional guide based on the moon's position, separate from the live ranking above. Local time at the spot.

Next hours

22:00

8°

23:00

7°

00:00

6°

01:00

5°

02:00

4°

03:00

4°

04:00

4°

05:00

4°

06:00

3°

07:00

3°

08:00

3°

09:00

4°

Likely catch now (4 species)

Common Snook

Centropomus undecimalis

86%

Active through the night, water near its preferred 22 degrees, peak season.

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Patati Catfish

Pimelodus maculatus

28%

Active through the night, water near its preferred 22 degrees, bright sky slows things.

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Golden Dorado

Salminus brasiliensis

14%

Water near its preferred 22 degrees.

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Boga

Megaleporinus obtusidens

12%

Water near its preferred 22 degrees.

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About the fishing here

Río Negro is a river in Uruguay.

Popular catches here include Common Snook, Patati Catfish, Golden Dorado and Boga.

Common Snook fishing is usually best around May-Sep. The best windows are usually dawn, dusk and night.

A national or regional fishing permit is generally required here. Check the local rules. Napp ranks the species above from the live weather, water temperature, season and time of day, so the order changes through the day.

Tips right now

Timing This is a prime window for common snook at night. Fish hard now.

Depth The water temperature suits the fish. Fish actively at normal depths and edges.

Fishing permit

You need a fishing permit (fiskekort) to fish here. Buy it online:

Fishing licence (overview)

Map

More waters nearby

Arroyo Charata Uruguay · 9.7 km away Lago Rincón del Bonete Uruguay · 38.4 km away Arroyo Zapatero Uruguay · 42.1 km away Arroyo Juan Tomás Uruguay · 47.7 km away Rio Negro (Paso de los Toros) Tacuarembo, Rio Negro · 59.9 km away Arroyo Horqueta del Queguay Chico Uruguay · 86.3 km away Río Tacuarembó Uruguay · 93.0 km away Río Yi Uruguay · 100.9 km away

Common questions

What fish can you catch at Río Negro?

Popular catches here include Common Snook, Patati Catfish, Golden Dorado and Boga.

Do you need a fishing license at Río Negro?

Usually yes. Most countries require a national or regional fishing permit. Check the local rules via the link on this page.

When is the best time to fish Río Negro?

Common Snook fishing is usually best around May-Sep. The best windows are usually dawn, dusk and night.

What is biting at Río Negro right now?

Right now Common Snook is the most likely catch, at about 87%.