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Diria Surf Forecast
/ Guanacaste (28 surf breaks) /
Surf Forecasts:
Diria surfForecast / Guanacaste / Costa Rica
48hr Weather and Surf, issued 11 pm 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
29.6° C
(Which is slightly warmer than usual)How big are the waves at Diria today?
The current surf forecast for Diria at 7AM is: 0.2m 16s primary swell from a West-northwest direction (forecast issued at 11:00pm April 28). An open ocean swell of 1.0m 14s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Apr) | 0.5ft (0.2m) | 16s |
| Afternoon (29 Apr) | 3ft (0.9m) | 14s |
| Evening (29 Apr) | 2ft (0.6m) | 13s |
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 32°C on Thu morning, min 26°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 29 | Thursday 30 | Friday 1 | ||||||||||||||||||||||
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 | 9 AM | 12 PM | 3 PM | 6 PM | |
Swell Height Map |  |    |    |    | ||||||||||||||||||||
SSW 15 | SSW 14 | SSW 14 | WNW 16 | WNW 16 | WNW 17 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | WNW 15 | SW 13 | SW 13 | SW 13 | SSW 12 | S 10 | WNW 13 | SW 12 | SSW 12 | SSW 13 | SW 12 | SW 12 | |
376 | 371 | 366 | 25 | 25 | 57 | 308 | 178 | 129 | 135 | 135 | 286 | 42 | 63 | 63 | 44 | 49 | 0 | 18 | 38 | 52 | 55 | 39 | 25 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | off | off | on | cross-on | cross-on | cross | off | off | off | cross-off | on | cross-on | cross | cross | cross-off | glassy | off | glassy | on | on | cross-on | |
High Tide | 00:57AM2.08m | 1:14PM2.32m | 1:43AM2.13m | 1:55PM2.37m | 2:24AM2.17m | 2:33PM2.40m | ||||||||||||||||||
Low Tide | 6:59AM0.50m | 7:36PM0.38m | 7:43AM0.47m | 8:17PM0.30m | 8:22AM0.44m | |||||||||||||||||||
 | | |  | |  | | | | | | | | | |  | | | | | |  | | | |
 | — | — | 5:26 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — |
 | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 29 | 28 | 26 | 26 | 30 | 31 | 29 | 29 | 28 | 28 | 27 | 26 | 29 | 32 | 29 | 29 | 29 | 28 | 27 | 27 | 29 | 30 | 30 | 29 |
30 | 29 | 26 | 27 | 31 | 32 | 30 | 31 | 31 | 30 | 30 | 29 | 31 | 34 | 30 | 31 | 32 | 31 | 31 | 31 | 32 | 31 | 32 | 32 | |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 14 | SSW 14 | S 14 | S 14 | S 14 | SSW 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 | S 10 | S 10 | S 10 | S 10 |
 kJ | 376 | 371 | 366 | 411 | 400 | 372 | 308 | 178 | 100 | 135 | 135 | 286 | 243 | 163 | 155 | 66 | 92 | 92 | 92 | 98 | 94 | 94 | 102 | 106 |
Swell 2 Height (m) Direction Period (s) | S 8 | S 8 | S 8 | WNW 16 | WNW 16 | WNW 17 | SW 13 | 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 | SSW 12 | SSW 13 | S 13 | S 13 |
| kJ | 51 | 50 | 35 | 25 | 25 | 57 | 27 | 69 | 129 | 69 | 69 | 42 | 42 | 63 | 63 | 43 | 49 | 75 | 76 | 29 | 52 | 55 | 54 | 53 |
Swell 3 Height (m) Direction Period (s) | NNW 4 | WNW 16 | WNW 16 | SW 16 | N 5 | N 5 | WNW 14 | 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 | SW 12 | SW 12 | SW 12 | SW 12 |
| kJ | 3 | 25 | 25 | 10 | 2 | 2 | 20 | 29 | 21 | 21 | 21 | 20 | 31 | 44 | 48 | 44 | 38 | 17 | 18 | 38 | 38 | 39 | 39 | 25 |
Wind waves Height (m) Direction Period (s) | — | — | NNE 4 | — | — | — | NNW 4 | — | — | — | — | — | — | — | W 3 | WSW 2 | — | — | — | — | — | — | WNW 2 | — |
| kJ | — | — | 1 | — | — | — | 1 | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | 1 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 14 | 14 | 9 | 9 | 9 | 14 | 0 | 0 | 0 | 0 | 9 | 56 | 95 | 15 | 14 | 9 | 0 | 0 | 9 | 9 | 9 |
Best forecast wave conditions in Guanacaste | ||||||||||||||||||||||||
Best forecast wave conditions in Costa Rica | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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