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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 Monday 27 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
29.6° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Diria today?
The current surf forecast for Diria at 3PM is: 0.7m 14s primary swell from a South-southwest direction and 0.6m 8s secondary swell from a South-southwest direction (forecast issued at 11:00am April 27). The wind direction is predicted to be cross-onshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Apr) | 2.5ft (0.8m) | 14s |
| Afternoon (27 Apr) | 2.5ft (0.7m) | 14s |
| Evening (27 Apr) | 2.5ft (0.8m) | 14s |
Table - waves today at Diria. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 3mm), mostly falling on Mon morning. Warm (max 31°C on Mon morning, min 26°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 27 | Tuesday 28 | Wednesday 29 | Thu 30 | |||||||||||||||||||||
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 14 | SSW 14 | SSW 14 | WNW 3 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | WNW 16 | WNW 16 | WNW 17 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | |
280 | 276 | 210 | 1 | 229 | 226 | 133 | 131 | 154 | 441 | 429 | 402 | 376 | 371 | 366 | 25 | 25 | 58 | 308 | 178 | 129 | 135 | 135 | 286 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | on | on | cross-on | cross | cross-off | glassy | off | cross-off | cross-on | cross-on | cross | cross | cross-off | glassy | off | |
High Tide | 11:35AM2.17m | 00:03AM2.03m | 12:29PM2.25m | 00:57AM2.08m | 1:14PM2.32m | 1:43AM2.13m | ||||||||||||||||||
Low Tide | 5:56PM0.56m | 6:10AM0.53m | 6:50PM0.47m | 6:59AM0.50m | 7:36PM0.38m | |||||||||||||||||||
 |  | |  |  |  | |  | | | | | | | | | | | | | | | | | |
 | 5:26 | — | — | — | — | — | 5:26 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — | — | 5:26 | — |
 | — | — | 5:53 | — | — | — | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | 5:54 |
1 | — | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 29 | 31 | 30 | 29 | 29 | 28 | 27 | 27 | 29 | 31 | 30 | 29 | 28 | 28 | 27 | 26 | 29 | 31 | 31 | 29 | 28 | 28 | 27 | 26 |
32 | 33 | 32 | 30 | 32 | 32 | 31 | 31 | 31 | 32 | 31 | 30 | 31 | 32 | 31 | 28 | 30 | 31 | 31 | 29 | 30 | 31 | 30 | 29 | |
Swell 1 Height (m) Direction Period (s) | 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 | SSW 14 | S 14 | S 14 | S 14 | SSW 14 | SSW 13 | S 10 | SSW 13 | SSW 13 | SSW 13 |
 kJ | 280 | 276 | 210 | 411 | 229 | 226 | 81 | 80 | 154 | 441 | 429 | 402 | 376 | 371 | 366 | 411 | 400 | 372 | 308 | 178 | 100 | 135 | 135 | 286 |
Swell 2 Height (m) Direction Period (s) | S 8 | S 8 | SSW 8 | S 17 | S 10 | S 10 | S 17 | S 16 | S 9 | S 9 | S 9 | S 9 | S 8 | S 8 | S 8 | WNW 16 | WNW 16 | WNW 17 | SW 13 | S 10 | SSW 13 | S 10 | S 10 | WNW 15 |
| kJ | 49 | 51 | 51 | 154 | 64 | 89 | 205 | 193 | 58 | 56 | 55 | 53 | 51 | 50 | 50 | 25 | 25 | 57 | 27 | 69 | 129 | 69 | 69 | 42 |
Swell 3 Height (m) Direction Period (s) | SSW 11 | SSW 11 | SSW 11 | WNW 3 | S 18 | S 17 | SSW 13 | SSW 13 | S 16 | WNW 16 | N 4 | NNW 4 | NW 4 | WNW 16 | WNW 16 | SW 16 | — | WNW 17 | WNW 14 | SW 14 | WNW 14 | WNW 15 | WNW 15 | S 16 |
| kJ | 39 | 39 | 37 | 1 | 158 | 153 | 133 | 131 | 188 | 25 | 1 | 1 | 2 | 25 | 25 | 10 | — | 58 | 20 | 29 | 21 | 42 | 42 | 20 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | NNW 5 | WNW 3 | — | — | — | — | NNW 5 | N 5 | NNW 5 | W 2 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 2 | 2 | — | — | — | — | 3 | 2 | 2 | 1 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 9 | 9 | 59 | 94 | 0 | 0 | 0 | 0 | 0 | 9 | 9 | 91 | 19 | 0 | 0 | 14 | 19 | 9 | 56 | 91 | 6 | 0 | 0 | 0 |
Best forecast wave conditions in Guanacaste | ||||||||||||||||||||||||
Best forecast wave conditions in Costa Rica | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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