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Islita Surf Forecast
/ Guanacaste (28 surf breaks) /
Surf Forecasts:
Islita surfForecast / Guanacaste / Costa Rica
48hr Weather and Surf, issued 11 pm Sunday 19 Apr 2026 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
30.0° C
(Which is 1.2°C warmer than normal for this time of year)How big are the waves at Islita today?
The current surf forecast for Islita at 3AM is: 1.2m 14s primary swell from a South-southwest direction and 0.6m 17s secondary swell from a South direction (forecast issued at 11:00pm April 19). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Apr) | 3.5ft (1.1m) | 14s |
| Afternoon (20 Apr) | 2.5ft (0.8m) | 17s |
| Evening (20 Apr) | 3ft (0.9m) | 17s |
Table - waves today at Islita. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 20 | Tuesday 21 | Wednesday 22 | ||||||||||||||||||||||
| 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) (?) | 14 | 14 | 14 | 14 | 14 | 13 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 649 | 606 | 512 | 504 | 427 | 384 | 399 | 394 | 522 | 522 | 498 | 940 | 917 | 906 | 906 | 883 | 871 | 816 | 678 | 660 | 651 | 521 | 542 | 542 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | cross- off | glass | glass | on | on | on | cross- on | glass | cross- off | off | glass | on | on | cross- on | on | glass | glass | glass | glass | on | cross- on | cross- on |
High Tide / height (m) | 4:31AM 2.58 | 4:47PM 2.82 | 5:20AM 2.53 | 5:37PM 2.71 | 6:12AM 2.44 | |||||||||||||||||||
Low Tide / height (m) | 10:21PM -0.07 | 10:33AM 0.13 | 11:09PM -0.02 | 11:22AM 0.20 | 11:59PM 0.08 | 12:16PM 0.33 | ||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | ||||||||||||||||||||||
| Sunrise | - | - | - | 5:28 | - | - | - | - | - | - | - | 5:28 | - | - | - | - | - | - | - | 5:28 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:52 | - |
 | | |  | | | | | | | | | | | | |  | | | | | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - |
| Temp. °C | 28 | 28 | 27 | 26 | 29 | 31 | 30 | 29 | 28 | 28 | 27 | 26 | 29 | 31 | 30 | 29 | 28 | 28 | 27 | 26 | 29 | 30 | 30 | 29 |
| Feels °C (?) | 32 | 33 | 31 | 29 | 32 | 32 | 31 | 32 | 32 | 32 | 31 | 29 | 32 | 32 | 32 | 33 | 32 | 33 | 32 | 30 | 33 | 31 | 32 | 32 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Islita surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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