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Diria Surf Forecast
/ Guanacaste (28 surf breaks) /
Surf Forecasts:
Diria surfForecast / Guanacaste / Costa Rica
48hr Weather and Surf, issued 11 am Tuesday 28 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
29.7° C
(Which is 1.1°C warmer than normal for this time of year)How big are the waves at Diria today?
The current surf forecast for Diria at 4PM is: 0.9m 15s primary swell from a South-southwest direction and 0.4m 5s secondary swell from a North-northwest direction (forecast issued at 11:00am April 28). An open ocean swell of 0.6m 9s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Apr) | 2.5ft (0.7m) | 13s |
| Afternoon (28 Apr) | 3ft (0.9m) | 16s |
| Evening (28 Apr) | 3ft (0.9m) | 15s |
Table - waves today at Diria. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 31°C on Tue morning, min 26°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tue 28 | Wednesday 29 | Thursday 30 | Fri 1 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SSW 13 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | WNW 16 | WNW 16 | WNW 17 | SW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | WNW 15 | SW 13 | SW 13 | SW 13 | SSW 12 | S 10 | WNW 13 | SSW 12 | |
154 | 441 | 429 | 402 | 376 | 371 | 297 | 25 | 25 | 57 | 27 | 178 | 129 | 135 | 135 | 286 | 42 | 63 | 63 | 44 | 49 | 0 | 18 | 29 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-on | on | cross | cross-off | off | off | off | cross-off | cross-on | cross-on | cross-on | cross-off | cross-off | off | off | cross-off | cross-on | cross-on | cross | cross-off | cross-off | off | off | |
High Tide | 12:29PM2.25m | 00:57AM2.08m | 1:14PM2.32m | 1:43AM2.13m | 1:55PM2.37m | 2:24AM2.17m | ||||||||||||||||||
Low Tide | 6:10AM0.53m | 6:50PM0.47m | 6:59AM0.50m | 7:36PM0.38m | 7:43AM0.47m | 8:17PM0.30m | ||||||||||||||||||
 | | |  | | | | | | |  | | | | | | | |  |  | | | | | |
 | 5:26 | — | — | — | — | — | 5:26 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — | — | 5:24 | — |
 | — | — | 5:53 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | 5:54 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 29 | 31 | 31 | 29 | 29 | 28 | 26 | 26 | 29 | 31 | 30 | 29 | 29 | 28 | 27 | 26 | 29 | 31 | 30 | 29 | 29 | 28 | 27 | 26 |
30 | 32 | 31 | 29 | 30 | 29 | 26 | 27 | 29 | 32 | 30 | 30 | 31 | 31 | 30 | 28 | 31 | 32 | 31 | 31 | 31 | 31 | 30 | 28 | |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | S 14 | S 14 | S 14 | S 14 | SSW 13 | S 10 | SSW 13 | SSW 13 | SSW 13 | S 12 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 |
 kJ | 154 | 441 | 429 | 402 | 376 | 371 | 297 | 411 | 400 | 372 | 377 | 178 | 100 | 135 | 135 | 286 | 243 | 163 | 155 | 66 | 92 | 92 | 92 | 98 |
Swell 2 Height (m) Direction Period (s) | S 9 | S 9 | S 9 | S 9 | S 8 | S 8 | S 8 | WNW 16 | WNW 16 | WNW 17 | NNW 5 | S 10 | SSW 13 | S 10 | S 10 | WNW 15 | WNW 15 | SW 13 | SW 13 | SSW 11 | SSW 12 | S 12 | S 12 | SSW 12 |
| kJ | 80 | 56 | 55 | 53 | 51 | 50 | 50 | 25 | 25 | 57 | 4 | 69 | 129 | 94 | 69 | 42 | 42 | 63 | 63 | 43 | 49 | 75 | 76 | 29 |
Swell 3 Height (m) Direction Period (s) | S 16 | N 4 | W 13 | NNW 4 | N 4 | NW 16 | WNW 16 | SW 16 | — | N 5 | SW 13 | SW 14 | WNW 14 | WNW 15 | WNW 15 | S 16 | SW 14 | WNW 15 | WNW 16 | SW 13 | SW 12 | S 15 | WNW 13 | SW 12 |
| kJ | 188 | 4 | 14 | 3 | 1 | 65 | 50 | 10 | — | 2 | 27 | 29 | 21 | 42 | 42 | 20 | 31 | 44 | 48 | 44 | 38 | 17 | 18 | 24 |
Wind waves Height (m) Direction Period (s) | NNW 4 | — | NNW 5 | — | — | — | — | N 5 | N 5 | W 5 | W 5 | — | — | — | — | — | — | NNW 4 | W 2 | — | — | — | — | N 4 |
| kJ | 2 | — | 8 | — | — | — | — | 1 | 2 | 1 | 1 | — | — | — | — | — | — | 1 | 1 | — | — | — | — | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 17 | 9 | 165 | 0 | 0 | 0 | 14 | 14 | 9 | 17 | 9 | 0 | 0 | 0 | 0 | 0 | 59 | 17 | 9 | 0 | 9 | 9 | 0 |
Best forecast wave conditions in Guanacaste | ||||||||||||||||||||||||
Best forecast wave conditions in Costa Rica | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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