VeabirdBeach

Puerto Viejo Beach forecast: weather, water & waves

Puerto Viejo de Talamanca, CR · Costa Rica Caribbean, Costa Rica · 9.656, -82.755

Updated : moderate seaweed, beach grade C-, sea 87°F.

Photo taken near Puerto Viejo Beach Resorts, Puerto Viejo de Talamanca
Nearby · Photo: hh oldman, CC BY 3.0

Veabird's call

FriC-SatC+SunB-MonC+TueC+

Fair overall, with Sunday B- the calmest before 3.9 ft waves Tuesday.

Cahuita National Park works for a wet day when rain hits 92%.

Grades from Veabird's beach forecast; wording by AI (Muse Spark), checked against the forecast. Updated Nov 13, 01:00 UTC.

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Questions about Puerto Viejo Beach

Does Puerto Viejo Beach get sargassum (seaweed)?

Yes, in season. Here the typical-year risk is moderate or higher in July and peaks in July (moderate). How much lands varies a lot by year, wind and currents.

What are the worst and best months for seaweed at Puerto Viejo Beach?

Worst: June and July, though even then the typical risk is moderate. Best: August through June, when the risk is usually low.

How warm is the water at Puerto Viejo Beach?

About 85°F in November. The sea is warmest in May and October (about 87°F) and coolest in January and February (about 83°F).

When is the best time to visit Puerto Viejo Beach?

For warm water, low seaweed and dry weather, aim for February, March, April, May, June, September and October. June is usually the quietest of those, with about 27 rainy days and a sea near 86°F; seaweed risk is low.

Are there sargassum barriers or beach cleanups at Puerto Viejo Beach?

Offshore barriers in Costa Rica Caribbean: none. Public cleanup: Community and ADI groups clear town beaches. Typical clearing time: Usually light landings; cleared within a day or two.

When is hurricane season at Puerto Viejo Beach, and how often do storms hit?

The Atlantic hurricane season runs June through November and peaks around September. A tropical storm passed within 86 miles of Puerto Viejo Beach in 1 of the 55 seasons from 1971 to 2025, and a hurricane within 58 miles in 0.

Sargassum season at Puerto Viejo Beach Resorts

Sargassum risk at Puerto Viejo Beach Resorts typically peaks around July (moderate: moderate or heavier seaweed on the beach in an estimated 25% of weeks). Lowest-risk months: January, February, March, April, May, June, August, September, October, November and December. Actual landings vary a lot by year, wind and currents; check the live conditions above.

Estimated share of weeks in each month with moderate or heavier seaweed on the beach. Veabird takes the landing season seen on Quintana Roo's beaches (a Puerto Morelos beach camera, 2015–2020, and the Mexican Navy's beach alerts, 2022–2026), the nearest coast with a multi-year beach record (this one has none), and scales it by how often NOAA AOML satellites see notable seaweed within about 20 km of this stretch of coast: 21% of weeks here on average, against 54% off Quintana Roo, so 39% of that season. The satellite share (2016–2024, the top fifth of all coast-weeks, adjusted for this beach's exposure of 25%) measures seaweed offshore, not on the sand: off the Riviera Maya it reads high even in winter, when little lands. Very low under 10%, Low 10–24%, Moderate 25–44%, High 45–69%, Very high 70%+. Beach faces 45°; onshore winds from that direction push seaweed ashore. Satellite sargassum data: USF Optical Oceanography Lab (Sargassum Watch System) via NOAA AOML. The satellite record as open data.

Costa Rica's Caribbean coast month by month

Typical weather, water temperature, seaweed and crowds for every month: the best time to visit Costa Rica's Caribbean coast.

Weather, water & seaweed by month at Puerto Viejo Beach Resorts

Average highs run from about 80°F in February to 84°F in September. The sea is warmest in May and October (about 87°F) and coolest in January and February (about 83°F). February and April are usually the driest, with about 25 rainy days each; July is the wettest, with about 30 rainy days. Seaweed risk is usually lowest in October and highest in July.

MonthAvg highSeaRainy daysSargassum
Jan81°F83°F28Very low
Feb80°F83°F25Low
Mar82°F85°F26Low
Apr82°F85°F25Low
May83°F87°F27Low
Jun83°F86°F27Low
Jul82°F85°F30Moderate
Aug83°F86°F29Low
Sep84°F86°F27Low
Oct83°F87°F27Very low
Nov82°F85°F29Very low
Dec81°F84°F28Very low

Monthly averages from 6 years of ERA5 reanalysis (Open-Meteo) for this area's 0.5° grid cell; rainy days have at least 1 mm (0.04 in). Sargassum is the typical-year estimate described above. Any given year can differ.

Cleanup & barriers

Offshore barriers
None.
Public cleanup
Community and ADI groups clear town beaches.
Resort crews
Eco-lodges rake by hand.
Typical clearing time
Usually light landings; cleared within a day or two.

Safety notes

US State Dept: Costa Rica, Level 2 (verify)

Check official advisories and local flags before swimming. Decomposing sargassum releases hydrogen sulfide; avoid heavy piles.

Things to do near Puerto Viejo de Talamanca, CR

Fly in for the best beach days

Suggested dates fall in October, typically the lowest-seaweed month ahead for Puerto Viejo Beach Resorts. Change them to match the live forecast above.

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Coordinates approximate; forecasts are estimates, not safety guidance.