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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 21 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 4AM is: 1.2m 15s primary swell from a South-southwest direction and 0.2m 8s secondary swell from a North-northwest direction (forecast issued at 11:00pm April 21). The wind direction is predicted to be offshore and the swell rating is 3.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Apr) | 3.5ft (1.1m) | 14s |
| 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
Wednesday 22 | Thursday 23 | Friday 24 | ||||||||||||||||||||||
| 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 16 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 754 | 715 | 657 | 543 | 529 | 521 | 514 | 431 | 431 | 425 | 395 | 378 | 307 | 307 | 307 | 307 | 312 | 312 | 307 | 303 | 225 | 225 | 222 | 215 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | off | off | on | cross- on | cross | cross | cross- off | glass | off | glass | cross- on | cross- on | cross- on | cross | cross | cross- on | glass | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 6:11AM 2.32 | 6:29PM 2.45 | 7:08AM 2.22 | 7:28PM 2.28 | 8:12AM 2.14 | |||||||||||||||||||
Low Tide / height (m) | 11:59PM 0.08 | 12:15PM 0.30 | 12:53AM 0.21 | 1:15PM 0.44 | 1:53AM 0.35 | 2:23PM 0.57 | ||||||||||||||||||
Wednesday 22 | Thursday 23 | Friday 24 | ||||||||||||||||||||||
| Sunrise | - | - | - | 5:28 | - | - | - | - | - | - | - | 5:28 | - | - | - | - | - | - | - | 5:28 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 5:53 | - | - | - | - | - | - | - | 5:53 | - | - | - | - | - | - | - | 5:53 | - |
 |  | |  | |  | | |  | | |  | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | 1 | 1 | 3 | 2 | - | - | - | 1 | 1 | 2 | 5 | 5 | 2 | 2 | - | - |
| Temp. °C | 30 | 28 | 26 | 26 | 30 | 31 | 30 | 29 | 29 | 28 | 26 | 26 | 28 | 30 | 29 | 28 | 28 | 27 | 27 | 26 | 28 | 29 | 29 | 28 |
| Feels °C (?) | 32 | 29 | 28 | 28 | 31 | 32 | 31 | 30 | 31 | 32 | 30 | 29 | 31 | 32 | 29 | 30 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 |
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Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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