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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 Monday 15 Sep 2025 CST
How big are the waves at Rio Claro today?
The current surf forecast for Rio Claro at 5PM is: 1.6m 16s primary swell from a South-southwest direction and 0.6m 6s secondary swell from a South direction (forecast issued at 11:00am September 15). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Sep) | 4.5ft (1.4m) | 17s |
| Afternoon (15 Sep) | 5.5ft (1.7m) | 16s |
| Evening (15 Sep) | 5ft (1.6m) | 16s |
Table - waves today at Rio Claro. (Swell directed towards the surf break)
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| 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) (?) | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
| Energy (?) | 1318 | 1305 | 1536 | 1290 | 1387 | 1281 | 1692 | 1267 | 1178 | 1120 | 1009 | 1010 | 803 | 1025 | 1035 | 1114 | 1142 | 1142 | 1039 | 894 | 862 | 849 | 837 | 750 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | cross | cross- off | off | off | cross- off | cross- off | glass | glass | cross- on | cross | glass | cross- on | glass | cross- on | cross | cross | cross | glass | glass | glass | glass | glass | glass |
High Tide / height (m) | 8:17AM 2.58 | 9:05PM 2.32 | 9:32AM 2.43 | 10:27PM 2.28 | 10:53AM 2.40 | 11:44PM 2.37 | ||||||||||||||||||
Low Tide / height (m) | 2:48PM 0.60 | 3:14AM 0.82 | 4:05PM 0.68 | 4:37AM 0.86 | 5:21PM 0.66 | 5:53AM 0.79 | ||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| Sunrise | 5:24 | - | - | - | - | - | - | 5:24 | - | - | - | - | - | - | - | 5:24 | - | - | - | - | - | - | - | 5:24 |
| Sunset | - | - | 5:34 | - | - | - | - | - | - | - | 5:34 | - | - | - | - | - | - | - | 5:32 | - | - | - | - | - |
 |  | |  |  |  |  |  | | | | | | | |  | | | | | | | |  | |
Rain (mm) | - | 3 | 2 | 7 | 4 | - | - | - | - | 1 | 2 | 7 | 11 | 3 | - | - | 1 | 3 | 2 | 2 | 2 | 2 | 4 | 4 |
| Temp. °C | 28 | 28 | 28 | 26 | 25 | 25 | 25 | 25 | 27 | 27 | 27 | 26 | 24 | 24 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 25 | 24 | 24 |
| Feels °C (?) | 33 | 32 | 31 | 30 | 29 | 29 | 29 | 29 | 32 | 31 | 30 | 31 | 28 | 29 | 29 | 29 | 30 | 30 | 31 | 31 | 31 | 29 | 29 | 29 |
- Map Icons:
Break
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
Continuing clean conditions at Rio Claro (calm at Puerto Armuelles wx 83 km from Rio Claro). 1.2m 16s long period groundswell from the SSW with a 0.8m 9s swell, also from the SSW and a 0.5m 12s groundswell, also from the SW. 3 swells combining so expect closeout sets.
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