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Surf Forecasts:
Islita surfForecast / Guanacaste / Costa Rica
48hr Weather and Surf, issued 5 am Saturday 06 Dec 2025 CSTForecast update in hr min s Forecast update imminent
Islita surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Islita 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 Islita today?
The current surf forecast for Islita at 12PM is: 0.7m 10s primary swell from a South-southwest direction and 0.5m 13s secondary swell from a Southwest direction (forecast issued at 05:00am December 06). The wind direction is predicted to be cross-onshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 Dec) | 2.5ft (0.7m) | 10s |
| Afternoon (06 Dec) | 1.5ft (0.5m) | 13s |
| Evening (06 Dec) | 1.5ft (0.5m) | 13s |
Table - waves today at Islita. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 06 | Sunday 07 | Monday 08 | Tue 09 | |||||||||||||||||||||
| 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) (?) | 14 | 13 | 10 | 10 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 102 | 88 | 92 | 96 | 85 | 85 | 84 | 84 | 82 | 79 | 77 | 75 | 74 | 72 | 72 | 86 | 85 | 85 | 124 | 125 | 169 | 167 | 167 | 165 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross | cross- on | cross- on | cross- on | cross- on | cross | cross- off | cross- off | cross | cross- on | on | on | cross- on | cross- on | glass | glass | glass | cross- on | cross- on | glass | glass | glass |
High Tide / height (m) | 3:00AM 2.85 | 3:37PM 2.59 | 3:51AM 2.82 | 4:29PM 2.60 | 4:43AM 2.73 | 5:21PM 2.58 | ||||||||||||||||||
Low Tide / height (m) | 9:24AM -0.10 | 9:39PM 0.14 | 10:14AM -0.09 | 10:32PM 0.18 | 11:04AM -0.03 | 11:26PM 0.27 | ||||||||||||||||||
Saturday 06 | Sunday 07 | Monday 08 | Tue 09 | |||||||||||||||||||||
| Sunrise | - | 5:45 | - | - | - | - | - | - | - | 5:45 | - | - | - | - | - | - | - | 5:46 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 5:19 | - | - | - | - | - | - | - | 5:20 | - | - | - | - | - | - | - | 5:20 | - | - | - |
 |  |  | | |  | |  | |  | | | | | |  | | | | | | | | | |
Rain (mm) | - | 1 | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 3 | 3 | 2 | 1 | - | - | 1 | - | 1 | 2 | 1 | 1 | - |
| Temp. °C | 25 | 24 | 27 | 28 | 27 | 26 | 25 | 24 | 24 | 24 | 26 | 27 | 27 | 26 | 25 | 25 | 24 | 24 | 26 | 27 | 26 | 26 | 25 | 25 |
| Feels °C (?) | 28 | 27 | 30 | 30 | 29 | 29 | 28 | 27 | 27 | 27 | 29 | 30 | 30 | 29 | 28 | 28 | 28 | 28 | 30 | 31 | 29 | 30 | 30 | 30 |
- 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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