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Las Avellanas Surf Forecast
/ Guanacaste (28 surf breaks) /
Surf Forecasts:
Las Avellanas surfForecast / Guanacaste / Costa Rica
48hr Weather and Surf, issued 5 pm Sunday 19 Oct 2025 CST
How big are the waves at Las Avellanas today?
The current surf forecast for Las Avellanas at 7PM is: 1.1m 14s primary swell from a Southwest direction and 0.6m 6s secondary swell from a West direction (forecast issued at 05:00pm October 19). The wind direction is predicted to be cross-onshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Oct) | - | - |
| Afternoon (19 Oct) | 3.5ft (1.1m) | 14s |
| Evening (19 Oct) | 3.5ft (1.1m) | 14s |
Table - waves today at Las Avellanas. (Swell directed towards the surf break)
Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | |||||||||||||||||||||
| 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 | 3 AM | 6 AM | 9 AM | 12 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 14 | 14 | 14 | 14 | 15 | 16 | 16 | 16 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 16 | 16 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 476 | 476 | 469 | 346 | 463 | 233 | 239 | 239 | 236 | 178 | 308 | 284 | 341 | 401 | 293 | 297 | 297 | 249 | 245 | 241 | 346 | 201 | 203 | 302 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- on | on | on | glass | glass | cross- on | on | on | glass | off | cross- off | off | glass | cross- off | cross- off | cross- off | off | off | off | off | cross- off | off | cross- off |
High Tide / height (m) | 1:23PM 2.11 | 1:39AM 2.32 | 2:04PM 2.17 | 2:15AM 2.38 | 2:41PM 2.21 | 2:50AM 2.41 | ||||||||||||||||||
Low Tide / height (m) | 7:26PM 0.48 | 7:57AM 0.37 | 8:04PM 0.44 | 8:34AM 0.29 | 8:40PM 0.41 | 9:09AM 0.24 | ||||||||||||||||||
Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:31 | - | - | - | - | - | - | - | 5:31 | - | - | - | - | - | - | - | 5:31 | - | - |
| Sunset | 5:23 | - | - | - | - | - | - | - | 5:22 | - | - | - | - | - | - | - | 5:22 | - | - | - | - | - | - | - |
 |  |  | | | | | | | | |  | |  | | | | | | | | | | | |
Rain (mm) | 2 | 1 | - | - | 1 | 1 | 1 | 1 | 2 | 2 | 4 | 1 | - | - | - | 1 | 3 | 3 | - | - | - | - | - | - |
| Temp. °C | 27 | 26 | 26 | 26 | 25 | 25 | 27 | 28 | 28 | 27 | 26 | 25 | 25 | 25 | 27 | 28 | 27 | 25 | 24 | 24 | 24 | 24 | 26 | 27 |
| Feels °C (?) | 30 | 29 | 30 | 30 | 30 | 29 | 31 | 32 | 32 | 32 | 30 | 28 | 28 | 29 | 30 | 31 | 31 | 28 | 25 | 26 | 26 | 25 | 27 | 29 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Guanacaste
Recent on-shore wind 51 km from Las Avellanas has fallen light (light winds from the NW.(Wind varies from 280 to 340 degs) at Liberia/Tomas Guardia Airport). Waves cleaning up. 0.9m 14s groundswell from the SW with a 0.6m 6s windswell from the WSW. 2 swells combining to make bigger set waves.
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Las Avellanas surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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