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Guiones Surf Forecast
/ Guanacaste (28 surf breaks) /
Surf Forecasts:
Guiones surfForecast / Guanacaste / Costa Rica
48hr Weather and Surf, issued 5 pm Sunday 31 Aug 2025 CST
How big are the waves at Guiones today?
The current surf forecast for Guiones at 10PM is: 1.2m 15s primary swell from a Southwest direction and 0.9m 7s secondary swell from a South-southwest direction (forecast issued at 05:00pm August 31). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Aug) | - | - |
| Afternoon (31 Aug) | 4ft (1.2m) | 15s |
| Evening (31 Aug) | 4ft (1.2m) | 15s |
Table - waves today at Guiones. (Swell directed towards the surf break)
Sunday 31 | Monday 01 | Tuesday 02 | Wednesday 03 | |||||||||||||||||||||
| 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) (?) | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
| Energy (?) | 763 | 667 | 770 | 720 | 653 | 649 | 639 | 652 | 643 | 632 | 618 | 654 | 564 | 506 | 497 | 493 | 496 | 593 | 606 | 603 | 615 | 621 | 612 | 634 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | glass | glass | glass | glass | cross- on | glass | glass | off | cross- off | cross- off | off | glass | cross | cross- on | glass | off | cross- off | cross- off | cross- off | glass | on |
High Tide / height (m) | 8:11PM 1.58 | 8:32AM 1.75 | 9:13PM 1.50 | 9:34AM 1.70 | 10:25PM 1.49 | 10:44AM 1.72 | ||||||||||||||||||
Low Tide / height (m) | 2:06PM 0.63 | 2:07AM 0.73 | 3:05PM 0.69 | 3:07AM 0.80 | 4:14PM 0.71 | 4:20AM 0.82 | ||||||||||||||||||
Sunday 31 | Monday 01 | Tuesday 02 | Wednesday 03 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:33 | - | - | - | - | - | - | - | 5:33 | - | - | - | - | - | - | - | 5:33 | - | - |
| Sunset | 5:52 | - | - | - | - | - | - | - | 5:51 | - | - | - | - | - | - | - | 5:51 | - | - | - | - | - | - | - |
 |  | |  | |  |  |  | | |  | | | | | | | | | | | | | | |
Rain (mm) | 2 | 7 | 4 | - | 1 | - | - | - | 2 | 1 | - | 2 | - | 1 | 2 | 1 | 1 | 5 | 5 | 2 | - | - | - | 1 |
| Temp. °C | 29 | 28 | 27 | 26 | 26 | 26 | 27 | 28 | 28 | 28 | 26 | 26 | 26 | 26 | 27 | 28 | 28 | 26 | 25 | 25 | 25 | 25 | 26 | 27 |
| Feels °C (?) | 33 | 31 | 31 | 31 | 31 | 30 | 31 | 31 | 32 | 33 | 30 | 29 | 30 | 30 | 31 | 31 | 32 | 30 | 28 | 28 | 28 | 29 | 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)
Recent Eyeball Surf Reports for Guanacaste
Offshore wind has become very light (light winds from the SE at DanielOduberInt. Airport 75 km from Guiones). Surf should be turning clean at Guiones. 1.0m 13s groundswell from the SW with a 0.9m 9s swell from the SSW and a 0.5m 9s swell from the SW. 3 swells combining to make bigger set waves.
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