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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 5 pm Saturday 09 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 9PM is: 1.3m 18s primary swell from a South-southwest direction and 1.1m 13s secondary swell from a South-southwest direction (forecast issued at 05:00pm May 09). The wind direction is predicted to be offshore and the swell rating is 4.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 May) | - | - |
| Afternoon (09 May) | 3.5ft (1.1m) | 18s |
| Evening (09 May) | 4.5ft (1.3m) | 18s |
Table - waves today at Backwash. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 13mm), heaviest on Tue morning. Warm (max 30°C on Sat afternoon, min 26°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 9 | Sunday 10 | Monday 11 | Tue 12 | |||||||||||||||||||||
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 | 9 AM | 12 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | |
759 | 1106 | 1106 | 1106 | 1093 | 1056 | 848 | 818 | 643 | 635 | 733 | 733 | 627 | 620 | 475 | 382 | 358 | 344 | 339 | 334 | 272 | 268 | 268 | 268 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | off | off | off | cross-off | cross-off | glassy | cross-on | cross | cross-off | glassy | glassy | glassy | glassy | glassy | cross | cross-off | cross-off | cross-off | off | cross-off | glassy | glassy | cross | |
High Tide | 7:56PM2.25m | 8:45AM2.30m | 8:58PM2.21m | 9:43AM2.37m | 10:06PM2.23m | 10:41AM2.50m | ||||||||||||||||||
Low Tide | 1:53PM1.06m | 2:19AM0.87m | 2:57PM1.07m | 3:17AM0.90m | 4:04PM0.99m | 4:16AM0.87m | ||||||||||||||||||
 |  | |  |  |  | | | | | | | | | | | | | | | |  | | | |
 | — | — | — | — | 5:15 | — | — | — | — | — | — | — | 5:15 | — | — | — | — | — | — | — | 5:13 | — | — | — |
 | 5:43 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:44 | — | — | — | — | — | — | 5:44 |
— | 1 | 1 | — | — | — | — | — | — | 1 | 1 | — | 1 | — | — | — | — | 1 | — | — | 1 | 2 | 3 | 1 | |
Temp °C | 30 | 28 | 27 | 27 | 26 | 26 | 28 | 29 | 30 | 28 | 28 | 27 | 26 | 26 | 28 | 29 | 29 | 28 | 28 | 27 | 26 | 26 | 28 | 29 |
33 | 32 | 31 | 31 | 30 | 31 | 33 | 32 | 33 | 32 | 33 | 32 | 31 | 31 | 34 | 32 | 31 | 31 | 32 | 31 | 30 | 30 | 32 | 32 | |
Swell 1 Height (m) Direction Period (s) | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 10 | SSW 11 | SSW 11 |
 kJ | 759 | 1106 | 1106 | 1106 | 1093 | 1056 | 848 | 818 | 643 | 635 | 733 | 733 | 627 | 620 | 475 | 382 | 358 | 344 | 339 | 334 | 272 | 144 | 150 | 150 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 13 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 10 | SSW 10 | SSW 10 | SSW 14 | SSW 14 | SSW 14 |
| kJ | 396 | 421 | 384 | 307 | 161 | 210 | 203 | 203 | 271 | 289 | 142 | 91 | 91 | 91 | 176 | 179 | 158 | 150 | 141 | 133 | 139 | 268 | 268 | 268 |
Swell 3 Height (m) Direction Period (s) | — | — | — | SSW 7 | SSW 6 | — | SSW 13 | S 13 | — | — | SW 11 | SSW 12 | SSW 12 | SSW 12 | — | — | W 13 | W 14 | — | S 21 | W 9 | SW 20 | SW 20 | SW 20 |
| kJ | — | — | — | 10 | 4 | — | 57 | 32 | — | — | 30 | 52 | 47 | 45 | — | — | 3 | 4 | — | 8 | 2 | 16 | 15 | 15 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 241 | 0 | 0 | 0 | 0 | 0 | 0 | 160 | 326 | 0 | 0 | 0 | 0 | 0 | 0 | 339 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 340 |
Best forecast wave conditions in Golfo Dulce | ||||||||||||||||||||||||
Best forecast wave conditions in Costa Rica | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wave Height (m)
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Ocean Swells (m)- Wind Speed (km/h)
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