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Diria Surf Forecast
/ Guanacaste (28 surf breaks) /
Surf Forecasts:
Diria surfForecast / Guanacaste / Costa Rica
48hr Weather and Surf, issued 5 pm Wednesday 22 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 8PM is: 1.0m 14s primary swell from a South-southwest direction and 0.3m 7s secondary swell from a Northwest direction, 0.1m 5s secondary swell from a Southwest direction (forecast issued at 05:00pm April 22). The wind direction is predicted to be cross-shore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Apr) | - | - |
| Afternoon (22 Apr) | 3.5ft (1.1m) | 14s |
| Evening (22 Apr) | 3.5ft (1.0m) | 14s |
Table - waves today at Diria. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 16mm), heaviest on Thu night. Warm (max 30°C on Wed afternoon, min 26°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 22 | Thursday 23 | Friday 24 | Sat 25 | |||||||||||||||||||||
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 | 9 AM | 12 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | |
514 | 431 | 431 | 425 | 395 | 378 | 307 | 307 | 307 | 307 | 312 | 312 | 307 | 303 | 225 | 225 | 238 | 231 | 205 | 152 | 152 | 150 | 150 | 147 | |
Wind (km/h) | ||||||||||||||||||||||||
on | cross-on | cross-off | cross-off | glassy | cross-off | off | cross-on | cross-on | cross | cross | cross-off | cross | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | on | on | |
High Tide | 6:29PM2.45m | 7:08AM2.22m | 7:28PM2.28m | 8:12AM2.14m | 8:34PM2.13m | 9:22AM2.10m | ||||||||||||||||||
Low Tide | 12:15PM0.30m | 00:53AM0.21m | 1:15PM0.44m | 1:53AM0.35m | 2:23PM0.57m | 2:59AM0.46m | ||||||||||||||||||
 |  |  | | | |  | |  | |  | | | | | | | | | | | | | | |
 | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:28 | — | — | — |
 | 5:53 | — | — | — | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:53 | — | — | — | — | — | — | 5:53 |
— | 1 | — | — | 1 | — | — | — | 1 | 1 | — | — | 2 | 3 | 1 | 3 | — | — | — | — | 1 | 1 | 1 | — | |
Temp °C | 30 | 29 | 29 | 28 | 27 | 26 | 29 | 30 | 29 | 29 | 28 | 27 | 26 | 26 | 28 | 29 | 29 | 28 | 28 | 28 | 27 | 27 | 28 | 29 |
31 | 31 | 31 | 31 | 31 | 29 | 31 | 31 | 29 | 31 | 29 | 30 | 29 | 30 | 31 | 31 | 30 | 30 | 31 | 31 | 30 | 31 | 31 | 30 | |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 |
 kJ | 514 | 431 | 431 | 425 | 395 | 378 | 307 | 307 | 307 | 307 | 312 | 312 | 307 | 303 | 225 | 225 | 238 | 231 | 205 | 152 | 152 | 150 | 150 | 147 |
Swell 2 Height (m) Direction Period (s) | N 4 | N 4 | NW 7 | NW 7 | NW 7 | NW 8 | NW 8 | WNW 7 | WNW 7 | WNW 7 | WNW 6 | NW 6 | NW 6 | SW 3 | SW 3 | NW 7 | W 15 | SSW 15 | SSW 15 | SSW 16 | SSW 7 | SSW 7 | S 18 | SSW 18 |
| kJ | 3 | 1 | 9 | 8 | 2 | 9 | 9 | 5 | 5 | 5 | 4 | 2 | 2 | 2 | 2 | 2 | 5 | 21 | 22 | 24 | 4 | 4 | 25 | 64 |
Swell 3 Height (m) Direction Period (s) | WNW 8 | WNW 8 | WSW 5 | W 12 | W 12 | W 12 | W 12 | WSW 12 | SW 16 | SW 16 | W 12 | W 12 | W 12 | NW 6 | NW 7 | W 16 | W 11 | W 15 | W 15 | S 19 | SSW 16 | W 3 | SW 15 | SW 15 |
| kJ | 6 | 6 | 3 | 3 | 3 | 3 | 3 | 14 | 10 | 10 | 3 | 3 | 3 | 1 | 2 | 5 | 2 | 4 | 4 | 7 | 24 | 1 | 9 | 8 |
Wind waves Height (m) Direction Period (s) | SW 5 | SW 5 | — | SSW 5 | — | — | — | — | — | SSW 7 | SSW 7 | SW 3 | SW 3 | — | — | WSW 3 | W 6 | W 6 | WSW 3 | WSW 3 | W 3 | — | W 3 | NW 5 |
| kJ | 1 | 1 | — | 3 | — | — | — | — | — | 9 | 9 | 2 | 3 | — | — | 1 | 3 | 3 | 2 | 2 | 1 | — | 1 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 9 | 9 | 9 | 0 | 0 | 0 | 0 | 0 | 9 | 94 | 9 | 0 | 0 | 14 | 0 | 9 | 9 | 352 | 9 | 9 | 9 | 9 | 0 |
Best forecast wave conditions in Guanacaste | ||||||||||||||||||||||||
Best forecast wave conditions in Costa Rica | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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