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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 pm Monday 20 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
30.4° C
(Which is slightly warmer than usual)How big are the waves at Backwash today?
The current surf forecast for Backwash at 4AM is: 1.6m 16s primary swell from a South-southwest direction and 0.1m 14s secondary swell from a Southwest direction (forecast issued at 11:00pm April 20). The wind direction is predicted to be glassy and the swell rating is 4.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Apr) | 5ft (1.6m) | 16s |
| Afternoon (21 Apr) | 5.5ft (1.7m) | 16s |
| Evening (21 Apr) | 5ft (1.6m) | 15s |
Table - waves today at Backwash. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||||||||||
| 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 | 3 PM | 6 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 939 | 1496 | 1393 | 1310 | 1294 | 1278 | 1411 | 1245 | 1214 | 1136 | 924 | 911 | 899 | 778 | 778 | 767 | 767 | 606 | 572 | 555 | 468 | 499 | 468 | 468 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | glass | glass | glass | cross | cross | cross- off | glass | glass | cross- off | cross- off | glass | cross | cross- off | cross- off | cross- off | cross- off | glass | glass | glass | cross- off | cross- off | cross- off |
High Tide / height (m) | 5:21AM 2.97 | 5:36PM 3.09 | 6:13AM 2.84 | 6:29PM 2.89 | 7:11AM 2.70 | |||||||||||||||||||
Low Tide / height (m) | 11:07PM -0.01 | 11:24AM 0.29 | 11:57PM 0.13 | 12:17PM 0.44 | 12:52AM 0.30 | 1:18PM 0.62 | ||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||||||||||
| Sunrise | - | - | - | 5:20 | - | - | - | - | - | - | - | 5:20 | - | - | - | - | - | - | - | 5:20 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 5:42 | - | - | - | - | - | - | - | 5:42 | - | - | - | - | - | - | - | 5:42 | - |
 | | |  |  | | |  | | | | | |  | | |  | | | | | | | | |
Rain (mm) | 1 | 1 | 2 | 1 | - | - | - | - | 2 | 4 | - | - | - | - | - | 1 | - | 5 | 8 | 4 | 3 | 1 | 2 | 2 |
| Temp. °C | 27 | 26 | 26 | 26 | 28 | 29 | 29 | 28 | 27 | 26 | 25 | 25 | 27 | 29 | 29 | 28 | 27 | 26 | 25 | 24 | 27 | 28 | 28 | 27 |
| Feels °C (?) | 31 | 30 | 30 | 30 | 33 | 32 | 30 | 31 | 31 | 31 | 28 | 28 | 31 | 31 | 30 | 31 | 30 | 30 | 29 | 28 | 31 | 31 | 31 | 30 |
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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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