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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 Friday 01 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 3AM is: 0.2m 14s primary swell from a West-northwest direction (forecast issued at 11:00pm May 01). An open ocean swell of 0.8m 12s is not directed at the surf break, a second open ocean swell of 0.3m 10s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 May) | 1.5ft (0.4m) | 16s |
| Afternoon (02 May) | 1.5ft (0.4m) | 16s |
| Evening (02 May) | 1.5ft (0.4m) | 16s |
Table - waves today at Diria. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 14mm), heaviest on Fri night. Warm (max 31°C on Sun morning, min 27°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 2 | Sunday 3 | Monday 4 | ||||||||||||||||||||||
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 |  |    |    |    | ||||||||||||||||||||
WNW 14 | WNW 14 | WNW 14 | SSW 17 | SW 16 | SW 16 | 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 | |
40 | 40 | 18 | 29 | 67 | 66 | 66 | 66 | 65 | 63 | 79 | 107 | 106 | 171 | 104 | 103 | 109 | 152 | 114 | 107 | 125 | 113 | 144 | 125 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | glassy | cross-off | on | cross-on | cross | cross | glassy | off | cross-off | cross-off | on | cross-on | cross | cross-off | cross-off | glassy | off | cross-off | on | cross-on | cross | |
High Tide | 3:02AM2.19m | 3:09PM2.41m | 3:39AM2.19m | 3:46PM2.39m | 4:16AM2.17m | 4:23PM2.34m | ||||||||||||||||||
Low Tide | 8:54PM0.25m | 9:00AM0.42m | 9:31PM0.23m | 9:37AM0.42m | 10:07PM0.24m | 10:13AM0.45m | ||||||||||||||||||
 | | |  |  |  | |  | | | | | | | | |  | | |  | | | | | |
 | — | — | 5:24 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — |
 | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — |
4 | 1 | 1 | 2 | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | 2 | 2 | |
Temp °C | 29 | 28 | 27 | 27 | 29 | 30 | 29 | 29 | 28 | 28 | 28 | 27 | 30 | 31 | 29 | 29 | 28 | 28 | 27 | 27 | 29 | 31 | 29 | 28 |
31 | 30 | 30 | 31 | 32 | 33 | 31 | 32 | 32 | 33 | 32 | 30 | 33 | 33 | 31 | 31 | 31 | 32 | 32 | 31 | 31 | 33 | 31 | 30 | |
Swell 1 Height (m) Direction Period (s) | S 11 | S 11 | S 12 | S 12 | S 12 | S 12 | 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 |
 kJ | 110 | 144 | 172 | 172 | 172 | 174 | 195 | 235 | 188 | 184 | 184 | 181 | 181 | 177 | 177 | 136 | 128 | 90 | 94 | 94 | 92 | 65 | 64 | 62 |
Swell 2 Height (m) Direction Period (s) | S 13 | S 13 | SSE 10 | SSE 11 | SW 16 | SW 16 | 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 |
| kJ | 29 | 28 | 22 | 22 | 67 | 66 | 66 | 66 | 65 | 63 | 79 | 107 | 106 | 171 | 104 | 103 | 100 | 93 | 114 | 88 | 125 | 113 | 144 | 109 |
Swell 3 Height (m) Direction Period (s) | WNW 14 | WNW 14 | WNW 14 | SSW 17 | SSE 11 | SSE 10 | 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 |
| kJ | 40 | 40 | 18 | 29 | 22 | 22 | 15 | 17 | 17 | 17 | 17 | 17 | 35 | 15 | 48 | 49 | 109 | 152 | 111 | 107 | 85 | 72 | 106 | 125 |
Wind waves Height (m) Direction Period (s) | SSW 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | N 4 | W 5 | — |
| kJ | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 2 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1 | 1 | 14 | 9 | 0 | 9 | 9 | 11 | 6 | 0 | 0 | 0 | 0 | 9 | 9 | 33 | 0 | 0 | 0 | 0 | 0 | 9 | 9 | 11 |
Best forecast wave conditions in Guanacaste | ||||||||||||||||||||||||
Best forecast wave conditions in Costa Rica | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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