Río Olimar Grande

River fishing Uruguay · 07:42 - 17:40

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

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Prime 89% The bite right now

Top bet: Common Snook Prime feeding window at the dusk, water near its preferred 22 degrees, peak season.

Best day to fish

Tomorrow

90%

13°

Tue

94%

13°

Wed

100%

12°

Best day

Thu

93%

8°

Fri

100%

12°

Sat

100%

13°

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

Conditions right now

Weather

Partly cloudy

Water temp (est.)

22°C

Air temp

14°C

Wind

5 m/s

Pressure

1014 hPa ↑ rising

Clouds

44.0%

Water temperature is an estimate based on weather and season.

Updated 2026-06-28 22:03

Best times today

Dawn 06:57–08:57 Day 08:57–16:25 Dusk 16:25–18:25

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

Feeding times today

Full moon 97% lit

Major period 22:30–00:30 Major period 10:30–12:30 Minor period 15:19–16:49 Minor period 06:10–07:40

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

17:00

14°

18:00

12°

19:00

11°

20:00

9°

21:00

8°

22:00

8°

23:00

7°

00:00

7°

01:00

8°

02:00

8°

03:00

8°

04:00

8°

Likely catch now (4 species)

Common Snook

Centropomus undecimalis

89%

Prime feeding window at the dusk, water near its preferred 22 degrees, peak season.

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Golden Dorado

Salminus brasiliensis

27%

Prime feeding window at the dusk, water near its preferred 22 degrees.

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Boga

Megaleporinus obtusidens

26%

Prime feeding window at the dusk, water near its preferred 22 degrees, rising pressure suits them.

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Patati Catfish

Pimelodus maculatus

21%

Prime feeding window at the dusk, water near its preferred 22 degrees.

Tap for details ↗

About the fishing here

Río Olimar Grande is a river in Uruguay.

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

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

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 dusk. 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)

About this water

The Río Olimar River is a river in the Treinta y Tres Department of Uruguay.

Read more on Wikipedia →

Map

More waters nearby

Arroyo Yerbal Grande Uruguay · 11.9 km away Arroyo Avestruz Chico Uruguay · 22.4 km away Arroyo Corrales Uruguay · 32.6 km away Río Cebollatí Uruguay · 42.4 km away Río Olimar Chico Uruguay · 44.6 km away Arroyo Gutiérrez Uruguay · 52.1 km away Rio Tacuarí Uruguay · 77.1 km away Arroyo Conventos Uruguay · 88.0 km away

Common questions

What fish can you catch at Río Olimar Grande?

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

Do you need a fishing license at Río Olimar Grande?

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 Olimar Grande?

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

What is biting at Río Olimar Grande right now?

Right now Common Snook is the most likely catch, at about 81%.