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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 5 am Saturday 18 Oct 2025 CST
How big are the waves at Rio Claro today?
The current surf forecast for Rio Claro at 7AM is: 1.2m 16s primary swell from a South-southwest direction and 0.7m 6s secondary swell from a West direction (forecast issued at 05:00am October 18). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Oct) | 4ft (1.2m) | 16s |
| Afternoon (18 Oct) | 4.5ft (1.3m) | 16s |
| Evening (18 Oct) | 4.5ft (1.3m) | 16s |
Table - waves today at Rio Claro. (Swell directed towards the surf break)
Saturday 18 | Sunday 19 | Monday 20 | Tue 21 | |||||||||||||||||||||
| 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 | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 679 | 697 | 715 | 715 | 768 | 759 | 740 | 544 | 716 | 522 | 522 | 522 | 515 | 425 | 362 | 347 | 282 | 277 | 277 | 277 | 273 | 222 | 192 | 138 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | cross- on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | glass | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- off | cross- off | cross- off |
High Tide / height (m) | 12:44PM 2.45 | 1:05AM 2.66 | 1:29PM 2.55 | 1:43AM 2.76 | 2:08PM 2.62 | |||||||||||||||||||
Low Tide / height (m) | 6:36AM 0.66 | 6:49PM 0.62 | 7:21AM 0.53 | 7:31PM 0.56 | 7:59AM 0.41 | 8:08PM 0.51 | ||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | Tue 21 | |||||||||||||||||||||
| Sunrise | - | 5:20 | - | - | - | - | - | - | - | 5:20 | - | - | - | - | - | - | - | 5:20 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 5:16 | - | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:15 | - | - | - |
 |  |  | | |  | | | |  | | | | | | | | | | | | | | | |
Rain (mm) | - | - | 1 | 2 | 2 | 2 | 1 | 2 | 1 | - | - | 2 | 2 | 2 | 4 | 2 | - | 2 | 2 | 3 | 2 | 3 | 4 | 3 |
| Temp. °C | 24 | 25 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 27 | 27 | 26 | 26 | 25 | 25 | 25 | 25 | 27 | 27 | 26 | 25 | 25 | 25 |
| Feels °C (?) | 28 | 30 | 30 | 29 | 29 | 28 | 29 | 29 | 29 | 29 | 31 | 30 | 28 | 29 | 29 | 29 | 28 | 29 | 31 | 30 | 28 | 28 | 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 Cerro Punta wx 120 km from Rio Claro). 0.9m 16s long period groundswell from the SSW with a 0.7m 6s windswell from the WSW and a 0.6m 6s windswell from the S. 3 swells combining so expect closeout sets.
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