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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 Saturday 18 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
29.2° C
(Which is slightly warmer than usual)How big are the waves at Diria today?
The current surf forecast for Diria at 4AM is: 1.1m 15s primary swell from a South-southwest direction and 0.4m 13s secondary swell from a Southwest direction (forecast issued at 11:00pm April 18). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Apr) | 3.5ft (1.0m) | 14s |
| Afternoon (19 Apr) | 4ft (1.2m) | 14s |
| Evening (19 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
Sunday 19 | Monday 20 | Tuesday 21 | ||||||||||||||||||||||
| 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 | 14 | 14 | 13 | 13 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 612 | 574 | 558 | 551 | 449 | 529 | 577 | 534 | 419 | 631 | 537 | 401 | 326 | 384 | 326 | 394 | 394 | 394 | 385 | 823 | 768 | 758 | 783 | 773 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | glass | cross- off | cross | on | on | cross- on | cross | cross- on | cross | cross- off | cross- off | cross | cross- on | cross | cross- off | off | off | off | cross- off | on | cross- on | cross |
High Tide / height (m) | 3:44AM 2.45 | 3:59PM 2.76 | 4:30AM 2.45 | 4:46PM 2.71 | 5:19AM 2.40 | 5:36PM 2.60 | ||||||||||||||||||
Low Tide / height (m) | 9:35PM -0.03 | 9:44AM 0.11 | 10:21PM -0.06 | 10:31AM 0.11 | 11:09PM -0.02 | 11:21AM 0.18 | ||||||||||||||||||
Sunday 19 | Monday 20 | Tuesday 21 | ||||||||||||||||||||||
| Sunrise | - | - | - | 5:30 | - | - | - | - | - | - | - | 5:30 | - | - | - | - | - | - | - | 5:30 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 5:53 | - | - | - | - | - | - | - | 5:53 | - | - | - | - | - | - | - | 5:53 | - |
 |  | |  |  | | | | | | | | | | | | | | | | |  | |  | |
Rain (mm) | - | 1 | 2 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 28 | 27 | 27 | 26 | 28 | 30 | 29 | 28 | 28 | 27 | 27 | 26 | 30 | 33 | 31 | 29 | 29 | 28 | 26 | 26 | 29 | 32 | 29 | 28 |
| Feels °C (?) | 30 | 29 | 31 | 28 | 30 | 30 | 28 | 29 | 32 | 30 | 30 | 29 | 29 | 33 | 32 | 28 | 31 | 30 | 28 | 27 | 30 | 33 | 28 | 29 |
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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)
FREE! Surf-Forecast.com widget for your website
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