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Rio Claro Surf Forecast
/ Golfo Dulce (13 surf breaks) /
Surf Forecasts:
Rio Claro surfForecast / Golfo Dulce / Costa Rica
48hr Weather and Surf, issued 11 am Wednesday 20 Aug 2025 CST
How big are the waves at Rio Claro today?
The current surf forecast for Rio Claro at 2PM is: 0.9m 11s primary swell from a South-southwest direction and 0.6m 15s secondary swell from a South-southwest direction, 0.3m 6s secondary swell from a West-southwest direction (forecast issued at 11:00am August 20). The wind direction is predicted to be cross-shore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 2ft (0.6m) | 15s |
| Afternoon (20 Aug) | 3ft (0.9m) | 11s |
| Evening (20 Aug) | 3.5ft (1.0m) | 10s |
Table - waves today at Rio Claro. (Swell directed towards the surf break)
Wednesday 20 | Thursday 21 | Friday 22 | Saturday 23 | |||||||||||||||||||||
| 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 15 | 11 | 11 | 10 | 10 | 10 | 14 | 8 | 14 | 14 | 15 | 16 | 16 | 8 | 18 | 14 | 12 | 12 | 12 | 14 | 13 | 13 | 13 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
| Energy (?) | 298 | 291 | 344 | 352 | 368 | 362 | 386 | 354 | 392 | 462 | 510 | 556 | 577 | 443 | 590 | 671 | 913 | 933 | 891 | 575 | 1235 | 653 | 661 | 520 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross- off | cross- off | cross- off | glass | glass | cross- on | cross- on | cross- on | cross | cross | cross | cross- off | glass | glass | cross | cross | cross | glass | cross | cross- off | cross- off |
High Tide / height (m) | 12:11PM 2.56 | 12:57AM 2.47 | 1:12PM 2.66 | 1:51AM 2.63 | 2:04PM 2.75 | 2:37AM 2.78 | ||||||||||||||||||
Low Tide / height (m) | 6:38PM 0.50 | 7:00AM 0.66 | 7:33PM 0.38 | 7:55AM 0.53 | 8:20PM 0.29 | |||||||||||||||||||
Wednesday 20 | Thursday 21 | Friday 22 | Saturday 23 | |||||||||||||||||||||
| Sunrise | 5:26 | - | - | - | - | - | - | 5:26 | - | - | - | - | - | - | - | 5:26 | - | - | - | - | - | - | - | 5:26 |
| Sunset | - | - | 5:47 | - | - | - | - | - | - | - | 5:47 | - | - | - | - | - | - | - | 5:46 | - | - | - | - | - |
 | | |  |  | | |  | | | | | | | | | | | |  | | | |  | |
Rain (mm) | 2 | 1 | 2 | 1 | - | 2 | 2 | - | 1 | 2 | 1 | 1 | 1 | 3 | 5 | 2 | 1 | 2 | 2 | 7 | 12 | 4 | 1 | - |
| Temp. °C | 28 | 28 | 28 | 26 | 26 | 26 | 26 | 26 | 28 | 28 | 27 | 27 | 26 | 26 | 25 | 26 | 27 | 27 | 27 | 26 | 25 | 24 | 24 | 24 |
| Feels °C (?) | 32 | 31 | 32 | 30 | 30 | 30 | 31 | 31 | 32 | 31 | 29 | 31 | 29 | 30 | 28 | 30 | 31 | 30 | 29 | 29 | 30 | 28 | 27 | 27 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Golfo Dulce
The wind is still cross-on at Rio Claro (light winds from the SW at Puerto Armuelles wx 83 km from Rio Claro). 0.8m 11s groundswell from the SSW with a 0.5m 15s groundswell from the SW and a 0.4m 5s windswell from the WSW as well as a 0.3m 10s swell, also from the WSW. 4 swells combining to make bigger set waves.
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