Río San Juan

River fishing Mexico · 05:45 - 19:32

Río San Juan is a river in Mexico. Flowing water with species ranked by weather, temperature and season, see below.

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Good 53% The bite right now

Top bet: Nile Tilapia Active through the day, water near its preferred 30 degrees.

Best day to fish

Tomorrow

84%

39°

Tue

90%

38°

Best day

Wed

59%

36°

Thu

59%

37°

Fri

59%

37°

Sat

59%

38°

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

Conditions right now

Weather

Clear sky

Water temp (est.)

30°C

Air temp

39°C

Wind

9 m/s

Pressure

1009 hPa → stable

Clouds

4.0%

Water temperature is an estimate based on weather and season.

Updated 2026-06-28 22:06

Best times today

Dawn 05:00–07:00 Day 07:00–18:17 Dusk 18:17–20:17

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

Feeding times today

Full moon 97% lit

Major period 22:27–00:27 Major period 10:27–12:27 Minor period 17:38–19:08 Minor period 03:46–05:16

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

14:00

39°

15:00

39°

16:00

38°

17:00

37°

18:00

35°

19:00

33°

20:00

31°

21:00

30°

22:00

29°

23:00

29°

00:00

28°

01:00

28°

Likely catch now (2 species)

Nile Tilapia

Oreochromis niloticus

53%

Active through the day, water near its preferred 30 degrees.

Tap for details ↗

Largemouth Bass

Micropterus salmoides

38%

Water near its preferred 30 degrees, peak season, bright sky slows things.

Tap for details ↗

About the fishing here

Río San Juan is a river in Mexico.

Popular catches here include Nile Tilapia and Largemouth Bass.

Nile Tilapia fishing is usually best around Jan-Dec. 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 nile tilapia at the day. Fish hard now.

Lure Soft-plastic jig for largemouth bass: Jig around cover.

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

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Common questions

What fish can you catch at Río San Juan?

Popular catches here include Nile Tilapia and Largemouth Bass.

Do you need a fishing license at Río San Juan?

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 San Juan?

Nile Tilapia fishing is usually best around Jan-Dec. The best windows are usually dawn, day and dusk.

What is biting at Río San Juan right now?

Right now Nile Tilapia is the most likely catch, at about 66%.