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Backwash Surf Forecast
/ Golfo Dulce (13 surf breaks) /
Surf Forecasts:
Backwash surfForecast / Golfo Dulce / Costa Rica
48hr Weather and Surf, issued 11 am Tuesday 12 May 2026 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
29.7° C
(Which is slightly warmer than usual)How big are the waves at Backwash today?
The current surf forecast for Backwash at 6PM is: 0.7m 14s primary swell from a South-southwest direction and 0.8m 10s secondary swell from a South direction (forecast issued at 11:00am May 12). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 May) | 2.5ft (0.8m) | 14s |
| Afternoon (12 May) | 2.5ft (0.7m) | 14s |
| Evening (12 May) | 2.5ft (0.7m) | 14s |
Table - waves today at Backwash. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 16mm), heaviest on Tue afternoon. Warm (max 29°C on Tue morning, min 25°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Tue 12 | Wednesday 13 | Thursday 14 | Fri 15 | |||||||||||||||||||||
9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | S 10 | SSW 17 | SSW 17 | SW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SSW 15 | SSW 14 | |
268 | 268 | 183 | 178 | 168 | 161 | 158 | 158 | 141 | 197 | 193 | 274 | 447 | 441 | 436 | 425 | 409 | 461 | 496 | 496 | 496 | 496 | 443 | 362 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross | cross-off | cross-off | off | cross-off | cross-off | cross-off | glassy | cross | cross-off | cross-off | cross-off | glassy | glassy | glassy | glassy | cross | cross | cross-off | off | glassy | glassy | cross | |
High Tide | 10:41AM2.50m | 11:10PM2.33m | 11:34AM2.68m | 00:07AM2.47m | 12:25PM2.87m | 1:00AM2.64m | ||||||||||||||||||
Low Tide | 5:05PM0.83m | 5:13AM0.78m | 6:00PM0.62m | 6:07AM0.65m | 6:50PM0.39m | |||||||||||||||||||
 | | |  | |  | |  | | | | | | | | | | | | | | | | | |
 | 5:13 | — | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:13 | — |
 | — | — | 5:44 | — | — | — | — | — | — | — | 5:44 | — | — | — | — | — | — | — | 5:44 | — | — | — | — | 5:44 |
1 | 1 | 2 | 1 | 1 | — | — | — | — | — | 1 | 1 | 2 | 2 | 2 | — | — | — | 1 | 1 | — | — | — | — | |
Temp °C | 28 | 29 | 29 | 28 | 27 | 26 | 26 | 26 | 28 | 29 | 29 | 28 | 27 | 26 | 26 | 26 | 28 | 29 | 29 | 28 | 27 | 26 | 26 | 25 |
34 | 32 | 32 | 32 | 31 | 30 | 30 | 31 | 33 | 32 | 32 | 32 | 31 | 31 | 31 | 31 | 34 | 32 | 32 | 32 | 31 | 31 | 31 | 29 | |
Swell 1 Height (m) Direction Period (s) | SSW 11 | SSW 11 | SSW 11 | S 10 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SSW 15 | SSW 14 |
 kJ | 150 | 150 | 153 | 133 | 143 | 135 | 127 | 127 | 141 | 100 | 98 | 96 | 447 | 441 | 436 | 425 | 409 | 461 | 496 | 496 | 496 | 496 | 443 | 362 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 17 | SW 16 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 9 | S 9 | S 9 | S 9 | S 10 |
| kJ | 268 | 268 | 183 | 178 | 168 | 161 | 158 | 158 | 118 | 118 | 193 | 274 | 92 | 68 | 66 | 66 | 66 | 46 | 44 | 45 | 42 | 42 | 43 | 45 |
Swell 3 Height (m) Direction Period (s) | SW 20 | SW 20 | SSW 19 | SSW 19 | SW 19 | SW 18 | SW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 13 | SSW 13 | W 11 | W 11 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 15 | W 15 | W 15 | W 15 |
| kJ | 15 | 15 | 37 | 36 | 92 | 85 | 82 | 123 | 121 | 197 | 120 | 118 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 160 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 160 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 160 | 129 | 0 | 0 | 0 | 0 | 2 |
Best forecast wave conditions in Golfo Dulce | ||||||||||||||||||||||||
Best forecast wave conditions in Costa Rica | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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