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Surf Forecasts:
Guiones surfForecast / Guanacaste / Costa Rica
48hr Weather and Surf, issued 5 am Sunday 28 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
28.5° C
(Which is 1.3°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: 0.4m 15s primary swell from a Southwest direction and 0.5m 6s secondary swell from a South direction (forecast issued at 05:00am December 28). The wind direction is predicted to be onshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Dec) | 1.5ft (0.4m) | 15s |
| Afternoon (28 Dec) | 1.5ft (0.4m) | 15s |
| Evening (28 Dec) | 1.5ft (0.4m) | 14s |
Table - waves today at Guiones. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 28 | Monday 29 | Tuesday 30 | Wed 31 | |||||||||||||||||||||
| 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) (?) | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 8 | 8 | 8 | 12 | 12 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 75 | 75 | 75 | 75 | 75 | 75 | 74 | 51 | 46 | 45 | 45 | 45 | 62 | 62 | 45 | 44 | 48 | 48 | 33 | 33 | 33 | 37 | 48 | 85 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | on | cross- on | glass | glass | cross- off | cross- off | cross- off | cross- off | cross- on | cross- on | on | cross- off | off | cross- off | cross- off | off | off | cross | off | cross- off | cross- off |
High Tide / height (m) | 8:10AM 1.79 | 8:45PM 2.06 | 9:13AM 1.75 | 9:44PM 2.09 | 10:21AM 1.75 | 10:48PM 2.13 | ||||||||||||||||||
Low Tide / height (m) | 2:11AM 0.54 | 2:17PM 0.48 | 3:12AM 0.52 | 3:16PM 0.51 | 4:18AM 0.46 | 4:21PM 0.50 | ||||||||||||||||||
Sunday 28 | Monday 29 | Tuesday 30 | Wed 31 | |||||||||||||||||||||
| Sunrise | - | 5:56 | - | - | - | - | - | - | - | 5:58 | - | - | - | - | - | - | - | 5:58 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 5:30 | - | - | - | - | - | - | - | 5:30 | - | - | - | - | - | - | - | 5:30 | - | - | - |
 |  | | | | | | | | | |  | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 24 | 24 | 27 | 28 | 28 | 27 | 26 | 25 | 24 | 24 | 27 | 28 | 28 | 27 | 26 | 24 | 24 | 24 | 27 | 29 | 29 | 27 | 25 | 25 |
| Feels °C (?) | 26 | 26 | 30 | 30 | 29 | 30 | 30 | 28 | 27 | 26 | 29 | 30 | 30 | 30 | 29 | 26 | 26 | 26 | 28 | 31 | 32 | 30 | 27 | 25 |
- 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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