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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 Saturday 02 May 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 1.1°C warmer than normal for this time of year)How big are the waves at Diria today?
The current surf forecast for Diria at 1AM is: 0.4m 16s primary swell from a Southwest direction (forecast issued at 05:00pm May 02). An open ocean swell of 0.9m 11s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (03 May) | 1.5ft (0.5m) | 15s |
| Afternoon (03 May) | 1.5ft (0.5m) | 15s |
| Evening (03 May) | 1.5ft (0.4m) | 18s |
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 afternoon. Warm (max 32°C on Mon morning, min 27°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 2 | Sunday 3 | Monday 4 | Tue 5 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 18 | SW 18 | SW 14 | SW 17 | SW 16 | SW 13 | SW 13 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | |
66 | 66 | 65 | 63 | 79 | 107 | 106 | 171 | 104 | 103 | 109 | 152 | 114 | 107 | 125 | 113 | 144 | 125 | 206 | 208 | 371 | 306 | 310 | 174 | |
Wind (km/h) | ||||||||||||||||||||||||
on | cross-off | cross-off | cross-off | off | off | cross-off | on | cross-on | cross | cross | glassy | glassy | glassy | off | cross-on | cross-on | cross | off | off | off | off | cross-off | on | |
High Tide | 3:09PM2.41m | 3:39AM2.19m | 3:46PM2.39m | 4:16AM2.17m | 4:23PM2.34m | 4:54AM2.11m | ||||||||||||||||||
Low Tide | 9:31PM0.23m | 9:37AM0.42m | 10:07PM0.24m | 10:13AM0.45m | 10:44PM0.28m | 10:51AM0.50m | ||||||||||||||||||
 |  | |  | |  | | | | |  |  | | | | |  | | | | |  | | | |
 | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:24 | — | — | — |
 | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | 5:54 |
— | 1 | 1 | — | 1 | — | — | — | — | 1 | — | — | — | — | — | — | 1 | 2 | — | — | — | — | — | — | |
Temp °C | 30 | 30 | 29 | 29 | 28 | 28 | 30 | 30 | 30 | 29 | 28 | 28 | 27 | 27 | 29 | 32 | 29 | 30 | 29 | 28 | 27 | 27 | 30 | 31 |
33 | 34 | 34 | 34 | 32 | 32 | 34 | 32 | 32 | 31 | 30 | 33 | 32 | 32 | 32 | 34 | 31 | 34 | 31 | 30 | 30 | 30 | 32 | 33 | |
Swell 1 Height (m) Direction Period (s) | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 9 | S 9 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 |
 kJ | 195 | 191 | 188 | 184 | 184 | 181 | 178 | 175 | 175 | 172 | 165 | 118 | 123 | 92 | 90 | 65 | 64 | 62 | 61 | 208 | 371 | 306 | 310 | 174 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 16 | SW 13 | SW 13 | SW 13 | SW 16 | S 9 | S 9 | S 9 | S 9 | S 9 |
| kJ | 66 | 66 | 65 | 63 | 79 | 107 | 106 | 171 | 104 | 103 | 100 | 93 | 114 | 88 | 125 | 113 | 144 | 109 | 206 | 60 | 58 | 57 | 39 | 39 |
Swell 3 Height (m) Direction Period (s) | SSW 12 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | SSW 19 | WNW 12 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 17 | SW 13 | S 15 | S 15 | SW 16 | SW 13 | SW 14 | S 13 | S 13 | S 13 | SW 18 |
| kJ | 15 | 17 | 17 | 17 | 17 | 17 | 35 | 15 | 48 | 49 | 109 | 152 | 111 | 107 | 85 | 72 | 106 | 125 | 109 | 151 | 56 | 55 | 55 | 111 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | SE 3 | — | — | — | — | — | — | — | — | — | NW 5 | W 5 | — | — | NE 4 | NE 4 | N 5 | NNE 4 | N 4 |
| kJ | — | — | — | — | — | 3 | — | — | — | — | — | — | — | — | — | 4 | 2 | — | — | 4 | 4 | 2 | 2 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 87 | 33 | 11 | 0 | 0 | 0 | 0 | 9 | 9 | 47 | 0 | 0 | 0 | 0 | 0 | 9 |
Best forecast wave conditions in Guanacaste | ||||||||||||||||||||||||
Best forecast wave conditions in Costa Rica | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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