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Diria Surf Forecast
/ Guanacaste (28 surf breaks) /
Surf Forecasts:
Diria surfForecast / Guanacaste / Costa Rica
48hr Weather and Surf, issued 5 am Monday 20 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
29.5° C
(Which is 1.2°C warmer than normal for this time of year)How big are the waves at Diria today?
The current surf forecast for Diria at 11AM is: 1.0m 13s primary swell from a South-southwest direction and 0.6m 18s secondary swell from a South-southwest direction, 0.3m 4s secondary swell from a North-northwest direction (forecast issued at 05:00am April 20). The wind direction is predicted to be cross-shore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Apr) | 3.5ft (1.0m) | 14s |
| Afternoon (20 Apr) | 3.5ft (1.0m) | 13s |
| Evening (20 Apr) | 2.5ft (0.8m) | 17s |
Table - waves today at Diria. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 20 | Tuesday 21 | Wednesday 22 | Thu 23 | |||||||||||||||||||||
| 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 | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 14 | 14 | 13 | 13 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 401 | 395 | 395 | 384 | 326 | 394 | 394 | 394 | 385 | 823 | 768 | 793 | 783 | 773 | 754 | 715 | 657 | 543 | 529 | 521 | 514 | 431 | 431 | 425 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | cross- off | on | cross- on | cross | cross- off | off | off | off | cross- off | on | cross- on | cross | cross- off | off | off | off | cross- off | on | cross- on | cross | cross- off | cross- off |
High Tide / height (m) | 4:30AM 2.45 | 4:46PM 2.71 | 5:19AM 2.40 | 5:36PM 2.60 | 6:11AM 2.32 | 6:29PM 2.45 | ||||||||||||||||||
Low Tide / height (m) | 10:31AM 0.11 | 11:09PM -0.02 | 11:21AM 0.18 | 11:59PM 0.08 | 12:15PM 0.30 | |||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | Thu 23 | |||||||||||||||||||||
| Sunrise | - | 5:30 | - | - | - | - | - | - | - | 5:30 | - | - | - | - | - | - | - | 5:28 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 5:53 | - | - | - | - | - | - | - | 5:53 | - | - | - | - | - | - | - | 5:53 | - | - | - |
 |  | | | |  | |  |  | | |  | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 2 |
| Temp. °C | 27 | 26 | 30 | 32 | 30 | 29 | 29 | 28 | 27 | 26 | 30 | 32 | 30 | 29 | 29 | 28 | 27 | 26 | 29 | 31 | 30 | 28 | 29 | 27 |
| Feels °C (?) | 30 | 27 | 30 | 33 | 29 | 29 | 31 | 30 | 29 | 28 | 31 | 33 | 30 | 30 | 31 | 31 | 29 | 28 | 31 | 31 | 30 | 29 | 30 | 30 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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