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Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Damas Rivermouth surfForecast / Golfo de Nicoya / Costa Rica
48hr Weather and Surf, issued 5 pm Tuesday 30 Dec 2025 CSTForecast update in hr min s Forecast update imminent
Damas Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Damas Rivermouth sea temperature is
28.9° C
(Which is slightly warmer than usual)How big are the waves at Damas Rivermouth today?
The current surf forecast for Damas Rivermouth at 8PM is: 0.5m 13s primary swell from a South direction and 0.4m 8s secondary swell from a South direction (forecast issued at 05:00pm December 30). The wind direction is predicted to be glassy.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Dec) | - | - |
| Afternoon (30 Dec) | 1ft (0.3m) | 14s |
| Evening (30 Dec) | 1.5ft (0.5m) | 13s |
Table - waves today at Damas Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 30 | Wednesday 31 | Thursday 01 | Friday 02 | |||||||||||||||||||||
| 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 | 9 AM | 12 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 12 | 13 | 13 | 13 | 13 | 11 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 37 | 44 | 89 | 55 | 58 | 58 | 86 | 163 | 141 | 141 | 141 | 141 | 141 | 104 | 72 | 69 | 62 | 62 | 62 | 88 | 88 | 88 | 88 | 86 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | glass | glass | cross- off | cross- off | cross- off | glass | cross- on | on | cross- on | glass | cross- off | cross- off | glass | glass | on | on | glass | glass | glass | cross- off | cross- off | glass | on |
High Tide / height (m) | 10:51PM 2.54 | 11:34AM 2.19 | 11:56PM 2.62 | 12:40PM 2.31 | 12:58AM 2.71 | |||||||||||||||||||
Low Tide / height (m) | 4:25PM 0.63 | 5:25AM 0.45 | 5:33PM 0.57 | 6:28AM 0.32 | 6:39PM 0.47 | 7:27AM 0.18 | ||||||||||||||||||
Tuesday 30 | Wednesday 31 | Thursday 01 | Friday 02 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:52 | - | - |
| Sunset | 5:27 | - | - | - | - | - | - | - | 5:27 | - | - | - | - | - | - | - | 5:28 | - | - | - | - | - | - | - |
 |  |  |  | | | | | | | | | | | | |  | |  | | | | | | |
Rain (mm) | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - |
| Temp. °C | 28 | 27 | 26 | 25 | 24 | 24 | 27 | 28 | 28 | 27 | 26 | 25 | 24 | 24 | 27 | 28 | 28 | 26 | 26 | 25 | 24 | 24 | 27 | 28 |
| Feels °C (?) | 31 | 32 | 30 | 27 | 26 | 26 | 29 | 30 | 31 | 31 | 29 | 27 | 25 | 26 | 29 | 30 | 31 | 30 | 30 | 28 | 26 | 26 | 30 | 30 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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