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Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Guiones surfForecast / Guanacaste / Costa Rica
48hr Weather and Surf, issued 5 pm Monday 29 Dec 2025 CSTForecast update in hr min s Forecast update imminent
Guiones surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Guiones sea temperature is
28.7° C
(Which is 1.5°C warmer than normal for this time of year)How big are the waves at Guiones today?
The current surf forecast for Guiones at 12AM is: 0.4m 13s primary swell from a Southwest direction and 0.5m 8s secondary swell from a South direction (forecast issued at 05:00pm December 29). The wind direction is predicted to be cross-offshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Dec) | 1.5ft (0.5m) | 8s |
| Afternoon (30 Dec) | 1.5ft (0.5m) | 8s |
| Evening (30 Dec) | 1.5ft (0.4m) | 12s |
Table - waves today at Guiones. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 29 | Tuesday 30 | Wednesday 31 | Thursday 01 | |||||||||||||||||||||
| 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) (?) | 13 | 13 | 13 | 13 | 13 | 13 | 8 | 8 | 8 | 12 | 12 | 13 | 13 | 13 | 13 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 62 | 62 | 45 | 44 | 48 | 44 | 32 | 33 | 33 | 37 | 48 | 85 | 55 | 55 | 55 | 57 | 103 | 100 | 102 | 102 | 104 | 104 | 73 | 47 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | glass | cross- off | cross- off | cross- off | cross- off | off | glass | glass | off | off | cross- off | cross- off | cross- off | off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off |
High Tide / height (m) | 9:44PM 2.09 | 10:21AM 1.75 | 10:48PM 2.13 | 11:30AM 1.80 | 11:53PM 2.20 | |||||||||||||||||||
Low Tide / height (m) | 3:16PM 0.51 | 4:18AM 0.46 | 4:21PM 0.50 | 5:24AM 0.37 | 5:29PM 0.45 | 6:27AM 0.26 | ||||||||||||||||||
Monday 29 | Tuesday 30 | Wednesday 31 | Thursday 01 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:58 | - | - | - | - | - | - | - | 5:58 | - | - | - | - | - | - | - | 5:58 | - | - |
| Sunset | 5:30 | - | - | - | - | - | - | - | 5:30 | - | - | - | - | - | - | - | 5:31 | - | - | - | - | - | - | - |
 |  | | | | | | |  | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 29 | 27 | 26 | 24 | 24 | 24 | 27 | 29 | 29 | 27 | 25 | 25 | 25 | 25 | 27 | 29 | 30 | 27 | 26 | 25 | 24 | 24 | 26 | 29 |
| Feels °C (?) | 32 | 30 | 28 | 26 | 26 | 26 | 29 | 32 | 32 | 29 | 25 | 25 | 24 | 24 | 25 | 27 | 29 | 25 | 23 | 23 | 23 | 24 | 26 | 29 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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