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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 23 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
30.2° C
(Which is 1.6°C warmer than normal for this time of year)How big are the waves at Backwash today?
The current surf forecast for Backwash at 1AM is: 0.5m 13s primary swell from a Southwest direction and 0.7m 8s secondary swell from a South direction (forecast issued at 05:00pm May 23). The wind direction is predicted to be glassy.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 May) | 1.5ft (0.5m) | 19s |
| Afternoon (24 May) | 1.5ft (0.5m) | 18s |
| Evening (24 May) | 2.5ft (0.7m) | 16s |
Table - waves today at Backwash. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 30mm), heaviest during Mon afternoon. Warm (max 30°C on Sat afternoon, min 26°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 23 | Sunday 24 | Monday 25 | Tue 26 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SW 14 | SW 16 | SW 13 | SW 13 | SW 13 | SW 19 | SW 19 | SW 18 | SW 18 | SW 18 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | |
103 | 125 | 85 | 84 | 94 | 175 | 170 | 159 | 155 | 154 | 264 | 310 | 508 | 515 | 515 | 515 | 496 | 465 | 435 | 429 | 424 | 418 | 418 | 412 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-off | glassy | glassy | glassy | cross | glassy | cross-on | cross | cross-off | off | off | off | cross-off | glassy | cross | cross | cross-off | off | off | off | glassy | glassy | glassy | |
High Tide | 8:23PM2.54m | 9:06AM2.67m | 9:31PM2.42m | 10:08AM2.64m | 10:39PM2.37m | 11:06AM2.64m | ||||||||||||||||||
Low Tide | 2:18PM0.68m | 2:39AM0.57m | 3:26PM0.74m | 3:43AM0.69m | 4:32PM0.74m | 4:44AM0.77m | ||||||||||||||||||
 |  | |  | |  | | | | | | | | | | | |  | | |  | | | | |
 | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:13 | — | — | — |
 | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | 5:45 |
2 | 3 | 2 | — | — | — | — | — | 1 | 4 | 1 | — | 1 | — | — | — | 1 | 7 | 3 | 1 | — | 2 | 1 | 1 | |
Temp °C | 30 | 28 | 28 | 27 | 27 | 26 | 28 | 29 | 29 | 28 | 27 | 27 | 26 | 26 | 28 | 29 | 30 | 28 | 26 | 26 | 26 | 26 | 27 | 28 |
34 | 32 | 34 | 32 | 32 | 30 | 33 | 32 | 32 | 33 | 31 | 32 | 30 | 30 | 33 | 33 | 33 | 32 | 30 | 30 | 30 | 31 | 33 | 33 | |
Swell 1 Height (m) Direction Period (s) | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 |
 kJ | 66 | 64 | 66 | 66 | 66 | 64 | 66 | 48 | 48 | 46 | 264 | 310 | 508 | 515 | 515 | 515 | 496 | 465 | 435 | 429 | 424 | 418 | 418 | 412 |
Swell 2 Height (m) Direction Period (s) | SW 14 | SW 16 | SW 13 | SW 13 | SW 13 | SW 19 | SW 19 | SW 18 | SW 18 | SW 15 | S 8 | S 11 | S 11 | S 10 | S 7 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 6 | SSW 6 | SSW 6 |
| kJ | 91 | 125 | 85 | 84 | 83 | 175 | 170 | 159 | 155 | 107 | 48 | 83 | 82 | 77 | 25 | 73 | 71 | 71 | 71 | 70 | 70 | 27 | 28 | 28 |
Swell 3 Height (m) Direction Period (s) | SSW 16 | SW 13 | SW 16 | SW 16 | SW 16 | SW 13 | SW 14 | SW 14 | SW 15 | SW 18 | SW 12 | SW 12 | S 16 | S 16 | S 10 | S 15 | SSW 11 | S 15 | S 15 | S 15 | S 15 | — | SSW 9 | SW 9 |
| kJ | 103 | 85 | 66 | 67 | 94 | 82 | 97 | 103 | 54 | 154 | 37 | 37 | 5 | 5 | 19 | 4 | 11 | 4 | 4 | 4 | 4 | — | 8 | 3 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 160 | 0 | 0 | 0 | 0 | 9 | 0 | 160 | 110 | 0 | 0 | 0 | 0 | 0 | 0 | 160 | 110 | 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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