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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 Thursday 30 Apr 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
30.2° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Backwash today?
The current surf forecast for Backwash at 4PM is: 0.9m 12s primary swell from a South-southwest direction and 0.2m 15s secondary swell from a South direction (forecast issued at 11:00am April 30). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Apr) | 3.5ft (1.0m) | 13s |
| Afternoon (30 Apr) | 3ft (0.9m) | 12s |
| Evening (30 Apr) | 3ft (0.9m) | 12s |
Table - waves today at Backwash. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 74mm), heaviest during Sat night. Warm (max 29°C on Thu morning, min 24°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 30 | Friday 1 | Saturday 2 | Sun 3 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
S 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | S 12 | S 13 | S 11 | S 11 | S 12 | S 12 | S 12 | S 12 | SSW 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | |
345 | 263 | 256 | 248 | 258 | 258 | 244 | 244 | 199 | 209 | 160 | 160 | 177 | 171 | 171 | 174 | 260 | 132 | 127 | 119 | 114 | 112 | 112 | 112 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross-off | cross-off | cross-off | off | glassy | off | off | glassy | cross | cross-off | cross-off | off | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | glassy | off | glassy | off | |
High Tide | 1:59PM2.87m | 2:28AM2.70m | 2:36PM2.90m | 3:05AM2.73m | 3:11PM2.90m | 3:41AM2.73m | ||||||||||||||||||
Low Tide | 7:48AM0.57m | 8:18PM0.35m | 8:27AM0.53m | 8:54PM0.29m | 9:03AM0.51m | 9:29PM0.27m | ||||||||||||||||||
 | | |  | | | |  | | | | | |  | | |  | |  | | |  |  | | |
 | 5:16 | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:16 | — |
 | — | — | 5:42 | — | — | — | — | — | — | — | 5:42 | — | — | — | — | — | — | — | 5:42 | — | — | — | — | 5:43 |
2 | 1 | 1 | 2 | 4 | 4 | 1 | — | — | 1 | 4 | 3 | 3 | 6 | 2 | 1 | — | 3 | 6 | 11 | 18 | 1 | — | — | |
Temp °C | 28 | 29 | 29 | 28 | 27 | 26 | 26 | 26 | 28 | 29 | 28 | 27 | 27 | 26 | 26 | 25 | 27 | 28 | 27 | 25 | 24 | 25 | 25 | 25 |
33 | 32 | 31 | 32 | 31 | 30 | 30 | 30 | 33 | 32 | 31 | 31 | 32 | 31 | 30 | 29 | 31 | 31 | 30 | 30 | 29 | 30 | 29 | 29 | |
Swell 1 Height (m) Direction Period (s) | S 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | S 12 | S 13 | S 11 | S 11 | S 12 | S 12 | S 12 | S 12 | SSW 12 | S 12 | S 11 | SW 6 | S 11 | S 11 | S 11 | S 11 |
 kJ | 345 | 263 | 256 | 248 | 258 | 258 | 244 | 244 | 199 | 209 | 160 | 160 | 177 | 171 | 171 | 174 | 260 | 132 | 127 | 58 | 114 | 112 | 112 | 112 |
Swell 2 Height (m) Direction Period (s) | WNW 15 | SSW 14 | S 15 | S 15 | S 15 | WNW 16 | WNW 16 | WNW 16 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 18 | WSW 4 | WSW 4 | SW 4 | SW 16 | SW 16 | SW 16 | S 11 | S 6 | S 6 | S 6 | S 6 |
| kJ | 21 | 68 | 17 | 17 | 17 | 24 | 24 | 24 | 57 | 55 | 14 | 14 | 31 | 12 | 13 | 10 | 41 | 66 | 66 | 119 | 25 | 24 | 17 | 16 |
Swell 3 Height (m) Direction Period (s) | W 17 | WNW 15 | WNW 15 | WNW 15 | WNW 15 | S 15 | W 16 | W 16 | WNW 14 | WNW 14 | W 13 | SSW 18 | WNW 13 | WNW 14 | WNW 14 | WNW 14 | WNW 14 | WNW 14 | W 13 | SW 16 | W 5 | WSW 5 | WSW 5 | SW 15 |
| kJ | 6 | 21 | 21 | 21 | 22 | 17 | 5 | 5 | 19 | 18 | 14 | 31 | 17 | 18 | 20 | 20 | 20 | 18 | 14 | 66 | 11 | 7 | 7 | 55 |
Wind waves Height (m) Direction Period (s) | — | — | WSW 3 | WSW 3 | W 3 | W 3 | W 3 | — | — | WSW 4 | WSW 4 | WSW 4 | WSW 4 | — | — | WSW 4 | W 4 | SW 6 | SW 6 | W 5 | — | — | — | — |
| kJ | — | — | 1 | 3 | 3 | 2 | 2 | — | — | 1 | 3 | 5 | 10 | — | — | 15 | 12 | 60 | 80 | 28 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 164 | 0 | 0 | 0 | 0 | 0 | 0 | 164 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Golfo Dulce | ||||||||||||||||||||||||
Best forecast wave conditions in Costa Rica | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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