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Surf Forecasts:
Backwash surfForecast / Golfo Dulce / Costa Rica
48hr Weather and Surf, issued 5 pm Tuesday 09 Dec 2025 CSTForecast update in hr min s Forecast update imminent
Backwash surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Backwash sea temperature is
28.6° C
(Which is slightly warmer than usual)How big are the waves at Backwash today?
The current surf forecast for Backwash at 7PM is: 0.8m 13s primary swell from a South-southwest direction and 0.5m 6s secondary swell from a South-southwest direction (forecast issued at 05:00pm December 09). The wind direction is predicted to be glassy.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Dec) | - | - |
| Afternoon (09 Dec) | 3ft (0.9m) | 13s |
| Evening (09 Dec) | 2.5ft (0.8m) | 13s |
Table - waves today at Backwash. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 09 | Wednesday 10 | Thursday 11 | Friday 12 | |||||||||||||||||||||
| 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) (?) | 13 | 13 | 13 | 13 | 12 | 14 | 14 | 12 | 12 | 12 | 13 | 12 | 12 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 246 | 192 | 189 | 186 | 172 | 150 | 150 | 125 | 109 | 208 | 212 | 160 | 217 | 137 | 213 | 169 | 169 | 169 | 167 | 167 | 169 | 169 | 167 | 123 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | glass | glass | glass | glass | glass | glass | cross | cross | cross- off | cross- off | off | off | glass | glass | cross | cross | cross- off | cross- off | glass | glass | glass | glass | cross |
High Tide / height (m) | 6:14PM 2.93 | 6:27AM 2.78 | 7:07PM 2.82 | 7:23AM 2.59 | 8:02PM 2.70 | 8:22AM 2.41 | ||||||||||||||||||
Low Tide / height (m) | 12:22AM 0.49 | 12:44PM 0.33 | 1:20AM 0.63 | 1:37PM 0.52 | 2:20AM 0.75 | |||||||||||||||||||
Tuesday 09 | Wednesday 10 | Thursday 11 | Friday 12 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:35 | - | - | - | - | - | - | - | 5:35 | - | - | - | - | - | - | - | 5:37 | - | - |
| Sunset | 5:14 | - | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - |
 |  | | |  |  | | | | |  | | | | | |  | | | | | | | | |
Rain (mm) | - | 1 | 3 | 1 | - | - | - | - | - | 1 | - | 1 | 1 | - | - | - | 1 | 1 | 2 | 1 | 1 | 1 | - | - |
| Temp. °C | 27 | 26 | 25 | 25 | 25 | 25 | 26 | 27 | 27 | 26 | 26 | 25 | 25 | 24 | 26 | 27 | 27 | 26 | 25 | 25 | 25 | 24 | 26 | 27 |
| Feels °C (?) | 30 | 30 | 29 | 30 | 30 | 29 | 30 | 30 | 29 | 30 | 30 | 29 | 29 | 28 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 28 | 31 | 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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