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Olgas Surf Forecast
/ Guanacaste (28 surf breaks) /
Surf Forecasts:
Olgas surfForecast / Guanacaste / Costa Rica
48hr Weather and Surf, issued 11 pm Friday 10 Oct 2025 CST
How big are the waves at Olgas today?
The current surf forecast for Olgas at 5AM is: 0.5m 15s primary swell from a Southwest direction and 0.6m 9s secondary swell from a West-northwest direction (forecast issued at 11:00pm October 10). An open ocean swell of 1.1m 11s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Oct) | 2.5ft (0.8m) | 12s |
| Afternoon (11 Oct) | 2.5ft (0.8m) | 16s |
| Evening (11 Oct) | 2.5ft (0.8m) | 16s |
Table - waves today at Olgas. (Swell directed towards the surf break)
Saturday 11 | Sunday 12 | Monday 13 | ||||||||||||||||||||||
| 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) (?) | 18 | 9 | 9 | 15 | 12 | 12 | 16 | 16 | 16 | 17 | 17 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 109 | 66 | 65 | 109 | 186 | 186 | 310 | 310 | 318 | 354 | 350 | 375 | 435 | 485 | 492 | 435 | 429 | 424 | 418 | 412 | 453 | 395 | 390 | 390 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross- on | glass | glass | cross- on | cross- on | cross- on | cross | cross | cross- off | cross- off | cross- off | cross | cross | cross | cross | cross- off | cross | cross- off | cross- off | cross | glass | glass |
High Tide / height (m) | 5:12AM 2.45 | 5:44PM 2.17 | 6:03AM 2.31 | 6:38PM 2.05 | 6:59AM 2.13 | |||||||||||||||||||
Low Tide / height (m) | 10:57PM 0.09 | 11:34AM 0.02 | 11:48PM 0.20 | 12:26PM 0.14 | 12:43AM 0.34 | 1:24PM 0.29 | ||||||||||||||||||
Saturday 11 | Sunday 12 | Monday 13 | ||||||||||||||||||||||
| Sunrise | - | - | - | 5:31 | - | - | - | - | - | - | - | 5:31 | - | - | - | - | - | - | - | 5:31 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 5:27 | - | - | - | - | - | - | - | 5:27 | - | - | - | - | - | - | - | 5:25 | - |
 | |  |  | | | |  | |  | | | | | | | | | | | |  | | | |
Rain (mm) | - | - | 2 | 3 | 2 | 3 | 3 | 6 | 6 | 2 | 1 | 1 | 2 | 1 | 1 | 2 | 2 | 2 | 3 | 4 | 2 | - | 1 | 1 |
| Temp. °C | 26 | 25 | 25 | 25 | 26 | 26 | 25 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 24 |
| Feels °C (?) | 29 | 27 | 28 | 29 | 30 | 29 | 28 | 27 | 27 | 28 | 27 | 27 | 27 | 27 | 28 | 27 | 27 | 28 | 28 | 28 | 27 | 28 | 30 | 28 |
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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
The wind is still cross-off at Olgas (moderate winds from the ESE at SHIP4805 107 km from Olgas). 0.7m 10s swell from the WNW with a 0.3m 15s groundswell from the SW. 2 swells combining to make bigger set waves.
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