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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 am Tuesday 23 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
28.3° C
(Which is 1.2°C warmer than normal for this time of year)How big are the waves at Guiones today?
The current surf forecast for Guiones at 12PM is: 0.7m 10s primary swell from a South direction and 0.4m 12s secondary swell from a Southwest direction (forecast issued at 05:00am December 23). An open ocean swell of 0.2m 6s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Dec) | 2.5ft (0.7m) | 10s |
| Afternoon (23 Dec) | 1.5ft (0.4m) | 15s |
| Evening (23 Dec) | 2ft (0.6m) | 14s |
Table - waves today at Guiones. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 23 | Wednesday 24 | Thursday 25 | Fri 26 | |||||||||||||||||||||
| 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 | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 10 | 10 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 18 | 18 | 18 | 18 | 18 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 106 | 104 | 104 | 104 | 78 | 132 | 169 | 167 | 130 | 99 | 91 | 88 | 87 | 85 | 85 | 85 | 85 | 61 | 60 | 58 | 80 | 80 | 49 | 49 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | off | off | off | glass | off | off | off | cross- off | off | glass | glass | cross | off | off | off | cross- off | off | glass | cross- on | glass | glass | off |
High Tide / height (m) | 4:30AM 2.07 | 5:06PM 1.96 | 5:08AM 2.04 | 5:43PM 1.98 | 5:47AM 1.99 | 6:22PM 2.00 | ||||||||||||||||||
Low Tide / height (m) | 10:50AM 0.27 | 11:02PM 0.50 | 11:26AM 0.30 | 11:43PM 0.52 | 12:03PM 0.35 | |||||||||||||||||||
Tuesday 23 | Wednesday 24 | Thursday 25 | Fri 26 | |||||||||||||||||||||
| Sunrise | - | 5:54 | - | - | - | - | - | - | - | 5:54 | - | - | - | - | - | - | - | 5:56 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 5:27 | - | - | - | - | - | - | - | 5:28 | - | - | - | - | - | - | - | 5:29 | - | - | - |
 |  | | | | | | | | | | |  | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 24 | 24 | 27 | 29 | 29 | 27 | 25 | 24 | 24 | 23 | 26 | 29 | 29 | 27 | 26 | 24 | 24 | 24 | 26 | 28 | 28 | 26 | 25 | 24 |
| Feels °C (?) | 26 | 26 | 29 | 31 | 31 | 31 | 27 | 26 | 26 | 25 | 28 | 32 | 31 | 30 | 29 | 27 | 26 | 27 | 28 | 31 | 30 | 29 | 28 | 26 |
- 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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