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Diria Surf Forecast
/ Guanacaste (28 surf breaks) /
Surf Forecasts:
Diria surfForecast / Guanacaste / Costa Rica
48hr Weather and Surf, issued 5 am Sunday 26 Apr 2026 CSTForecast update in hr min s Forecast update imminent
Diria surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Diria sea temperature is
29.8° C
(Which is 1.3°C warmer than normal for this time of year)How big are the waves at Diria today?
The current surf forecast for Diria at 10AM is: 0.6m 11s primary swell from a South-southwest direction (forecast issued at 05:00am April 26). An open ocean swell of 0.6m 17s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Apr) | 2ft (0.6m) | 11s |
| Afternoon (26 Apr) | 2.5ft (0.7m) | 16s |
| Evening (26 Apr) | 2.5ft (0.8m) | 16s |
Table - waves today at Diria. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 7mm), mostly falling on Mon morning. Warm (max 31°C on Tue morning, min 26°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 26 | Monday 27 | Tuesday 28 | Wed 29 | |||||||||||||||||||||
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 | 3 PM | 6 PM | 9 PM | 12 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSW 18 | SSW 18 | SSW 11 | SSW 11 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 17 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | |
240 | 240 | 102 | 130 | 266 | 263 | 333 | 353 | 243 | 292 | 280 | 276 | 210 | 101 | 229 | 226 | 133 | 131 | 154 | 441 | 429 | 402 | 376 | 371 | |
Wind (km/h) | ||||||||||||||||||||||||
on | glassy | on | on | on | on | glassy | glassy | cross-on | glassy | cross-on | on | cross-on | cross-on | cross | cross-off | off | cross-off | cross-off | cross-on | on | cross-on | cross | off | |
High Tide | 10:32AM2.11m | 10:59PM2.01m | 11:35AM2.17m | 00:03AM2.03m | 12:29PM2.25m | |||||||||||||||||||
Low Tide | 4:08AM0.53m | 4:52PM0.63m | 5:13AM0.55m | 5:56PM0.56m | 6:10AM0.53m | 6:50PM0.47m | ||||||||||||||||||
 |  |  | | | | | | |  | | | | | | | | | | | | | | | |
 | 5:26 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — | 5:26 |
 | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:53 | — | — | 5:54 |
— | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 2 | — | — | — | — | 1 | — | — | — | — | — | — | |
Temp °C | 27 | 27 | 29 | 29 | 29 | 29 | 28 | 28 | 27 | 27 | 29 | 30 | 29 | 28 | 28 | 28 | 27 | 26 | 29 | 31 | 30 | 29 | 28 | 28 |
31 | 31 | 32 | 31 | 30 | 32 | 32 | 33 | 30 | 31 | 32 | 32 | 31 | 30 | 31 | 32 | 31 | 30 | 32 | 32 | 31 | 31 | 31 | 32 | |
Swell 1 Height (m) Direction Period (s) | SSW 12 | SSW 12 | S 17 | SSW 11 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | S 14 | SSW 14 | SSW 14 | S 9 | S 9 | SSW 13 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 |
 kJ | 140 | 137 | 210 | 130 | 266 | 263 | 333 | 353 | 243 | 292 | 280 | 276 | 210 | 411 | 229 | 226 | 81 | 58 | 154 | 441 | 429 | 402 | 376 | 371 |
Swell 2 Height (m) Direction Period (s) | SSW 18 | SSW 18 | SSW 11 | S 16 | SSW 11 | SSW 11 | SSW 11 | S 8 | S 11 | S 8 | S 8 | S 8 | SSW 8 | SSW 17 | S 10 | S 10 | S 17 | S 16 | S 9 | S 9 | S 9 | S 9 | S 8 | S 8 |
| kJ | 240 | 240 | 102 | 190 | 128 | 126 | 126 | 33 | 114 | 34 | 34 | 51 | 51 | 101 | 64 | 89 | 205 | 193 | 58 | 56 | 55 | 53 | 51 | 50 |
Swell 3 Height (m) Direction Period (s) | SSW 14 | SSW 13 | S 8 | SSW 13 | SW 13 | W 13 | W 13 | S 11 | SW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | W 13 | S 18 | S 17 | SSW 13 | SSW 13 | S 16 | WNW 16 | W 13 | NNW 4 | N 4 | WNW 16 |
| kJ | 19 | 17 | 20 | 18 | 7 | 14 | 14 | 61 | 23 | 39 | 39 | 39 | 37 | 13 | 158 | 153 | 133 | 131 | 188 | 25 | 14 | 1 | 1 | 25 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | NW 10 | WNW 3 | — | — | — | — | — | NNW 4 | NW 3 | W 5 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 2 | — | — | — | — | — | 2 | 2 | 2 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 9 | 0 | 9 | 9 | 9 | 9 | 0 | 0 | 9 | 0 | 9 | 9 | 9 | 9 | 19 | 0 | 0 | 0 | 0 | 9 | 9 | 9 | 33 | 0 |
Best forecast wave conditions in Guanacaste | ||||||||||||||||||||||||
Best forecast wave conditions in Costa Rica | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Ocean Swells (m)- Wind Speed (km/h)
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