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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 Tuesday 21 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 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 5AM is: 1.5m 14s primary swell from a South-southwest direction and 0.2m 13s secondary swell from a West-southwest direction (forecast issued at 11:00pm April 21). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Apr) | 5ft (1.5m) | 14s |
| Afternoon (22 Apr) | 4.5ft (1.4m) | 14s |
| Evening (22 Apr) | 4.5ft (1.4m) | 14s |
Table - waves today at Backwash. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 22 | Thursday 23 | Friday 24 | ||||||||||||||||||||||
| 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) (?) | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1214 | 1136 | 924 | 911 | 899 | 778 | 778 | 767 | 767 | 640 | 572 | 555 | 468 | 468 | 499 | 499 | 468 | 461 | 390 | 361 | 356 | 345 | 292 | 263 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | glass | cross- off | glass | cross | cross | off | off | glass | glass | glass | glass | cross | cross- off | cross- off | off | off | off | cross- off | glass | cross | cross- off | cross- off |
High Tide / height (m) | 6:13AM 2.84 | 6:29PM 2.89 | 7:11AM 2.70 | 7:30PM 2.69 | 8:17AM 2.58 | |||||||||||||||||||
Low Tide / height (m) | 11:57PM 0.13 | 12:17PM 0.44 | 12:52AM 0.30 | 1:18PM 0.62 | 1:54AM 0.48 | 2:29PM 0.76 | ||||||||||||||||||
Wednesday 22 | Thursday 23 | Friday 24 | ||||||||||||||||||||||
| Sunrise | - | - | - | 5:20 | - | - | - | - | - | - | - | 5:20 | - | - | - | - | - | - | - | 5:20 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 5:42 | - | - | - | - | - | - | - | 5:42 | - | - | - | - | - | - | - | 5:42 | - |
 | | |  | |  | | |  | | |  | | | | |  | | | | | | | | |
Rain (mm) | 3 | 3 | 1 | - | - | - | - | 1 | - | 6 | 5 | 4 | 2 | 1 | 1 | 2 | - | 1 | 1 | - | - | - | 1 | 1 |
| Temp. °C | 27 | 26 | 26 | 25 | 27 | 29 | 29 | 28 | 26 | 26 | 25 | 25 | 27 | 28 | 28 | 27 | 26 | 25 | 25 | 25 | 27 | 28 | 28 | 27 |
| Feels °C (?) | 32 | 30 | 30 | 29 | 31 | 32 | 30 | 31 | 30 | 30 | 29 | 29 | 31 | 31 | 31 | 30 | 29 | 29 | 29 | 29 | 31 | 30 | 30 | 30 |
- Map Icons:
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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