Snow-ForecastSnow-ForecastMountain-ForecastMountain-ForecastTide-ForecastTide-ForecastWeather-ForecastWeather-Forecast
Search by country, region, or break
Search by country, region, or break

Quick Links

Surf Forecasts:

Islita surfForecast / Guanacaste / Costa Rica

information circle48hr Weather and Surf, issued 5 pm Thursday 22 Jan 2026 CST
Forecast 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
28.6° C
 (Which is 1.4°C warmer than normal for this time of year)

How big are the waves at Islita today?

The current surf forecast for Islita at 9PM is: 0.9m 14s primary swell from a Southwest direction and 0.5m 13s secondary swell from a South direction (forecast issued at 05:00pm January 22). The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (CST) & DateWave HeightWave Period
Morning (22 Jan)--
Afternoon (22 Jan)2.5ft (0.8m)14s
Evening (22 Jan)3ft (0.9m)14s

Table - waves today at Islita. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Thursday
22
Friday
23
Saturday
24
Sunday
25
3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM
Rating
(10 max)
0
1
2
2
2
2
2
1
0
2
2
2
2
2
2
0
0
1
2
2
2
1
1
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.8
SW
0.9
SW
0.9
SW
0.8
SW
0.7
SW
0.6
SW
0.6
SW
0.6
SW
0.6
SW
0.6
SW
0.6
SW
0.6
SW
0.6
SW
0.7
SW
0.6
SW
0.4
SSW
0.5
SSW
0.6
SSW
0.6
SSW
0.5
SSW
0.5
SSW
0.5
SSW
0.5
SSW
0.5
SSW
Period(s) (?)141414141413131313131313131313151515151514131313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)24830129724119114414214013813813813813617013087121167167121118102102101
Wind
(km/h)
10
S
5
SE
5
ENE
5
NNE
10
NNE
10
NNE
5
NE
10
S
10
S
5
SSW
5
N
10
N
10
NNE
10
NNE
5
NE
10
SSW
10
SW
5
WSW
5
WNW
5
NNE
5
NE
5
NNE
0
NNE
10
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		ononglassglassoffoffoffglassoncross-
on		crossglassglasscross-
off		cross-
off		glasscross-
on
High Tide
/ height (m)
5:19PM
2.51
5:29AM
2.41
5:57PM
2.54
6:09AM
2.34
6:37PM
2.54
6:54AM
2.25
Low Tide
/ height (m)
11:26PM
0.41
11:38AM
0.26
12:08AM
0.41
12:17PM
0.31
12:53AM
0.42
Thursday
22
Friday
23
Saturday
24
Sunday
25
Sunrise------6:03-------6:03-------6:03-
Sunset5:42-------5:43-------5:43-------
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
Rain (mm)
------------------------
Temp. °C292726252424272929272625242327292927262524242729
Feels °C (?)303029282726293031313028262530313130302827273131
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

Latest Updates

Save Up to 20% on SIXT Rental Cars Worldwide – Exclusive Surf-Forecast Deal
travel
Surf Forecast

Save Up to 20% on SIXT Rental Cars Worldwide – Exclusive Surf-Forecast Deal

Surf road trips just got even better. Surf-Forecast users can now save up to 20% on SIXT rental cars worldwide during the promotional period until March 31, 2026. Whether you’re planning a legendary California road trip, chasing waves along Europe’s coasts, or exploring remote surf destinations, this exclusive SIXT offer helps you travel smarter and cheaper. And if you want some inspiration on where to go, check out our article Five Iconic Surf Road Trips. Click and get your SIXT discount

The World’s Most Inconsistent Waves
Ben Mondy

The World’s Most Inconsistent Waves

Huntington, Dribbleton, Virginia, Holland and the Superbank! We recently had a look at the world’s most consistent waves. This was based on the combination of swells and wind directed at 7,000 surf spots, as compiled from our data since 2006. Those stats, represented in easy-to-read graphics, are located under each wave’s spot guides, with historical swell and wind breakdowns available by month, season, and year. There is also an offshore filter, which shows how often the swells come with clean

Read more

Read more

Discover more articles and updates in the Greenroom.

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.

View detailed surf forecast for Islita at:
surf-forecast.com

Nearest locationNearest
Nearest locationNearest
Nearest locationNearest