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Surf Forecasts:

Islita surfForecast / Guanacaste / Costa Rica

information circle48hr Weather and Surf, issued 5 am Monday 12 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
28.5° C
 (Which is 1.1°C warmer than normal for this time of year)

How big are the waves at Islita today?

The current surf forecast for Islita at 9AM is: 0.5m 11s primary swell from a Southwest direction and 0.3m 5s secondary swell from a South direction (forecast issued at 05:00am January 12). The wind direction is predicted to be cross-offshore.

Time (CST) & DateWave HeightWave Period
Morning (12 Jan)1.5ft (0.5m)11s
Afternoon (12 Jan)1.5ft (0.4m)11s
Evening (12 Jan)1.5ft (0.4m)11s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Monday
12
Tuesday
13
Wednesday
14
Thu
15
3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM
Rating
(10 max)
1
1
1
0
0
1
1
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.5
SW
0.5
SW
0.5
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.3
SW
0.3
SW
0.3
S
0.4
SSW
0.4
SSW
0.4
SSW
0.4
SSW
0.3
SW
0.3
SW
0.4
SW
Period(s) (?)1211111111111111111111111010101066666666
Wave
Graph
(?)Metric surfscale
Energy kJ (?)666059424230303230303029272515156121212135512
Wind
(km/h)
10
NNE
10
NNE
15
NNE
10
ESE
5
SSE
5
SE
5
NE
10
N
10
N
10
NNE
15
NNE
5
E
5
S
0
ENE
10
NNE
5
N
5
NNE
10
NNE
5
NNE
5
SSW
10
SW
5
W
5
NW
5
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffcross-
off		crossonglasscross-
off		offoffoffcross-
off		cross-
off		onglasscross-
off		offoffoffglassoncross-
on		crossglasscross-
off
High Tide
/ height (m)
9:26AM
1.87
9:50PM
2.12
10:29AM
1.80
10:48PM
2.07
11:34AM
1.79
11:47PM
2.08
Low Tide
/ height (m)
3:26AM
0.71
3:27PM
0.79
4:26AM
0.75
4:26PM
0.85
5:27AM
0.73
5:27PM
0.86
Monday
12
Tuesday
13
Wednesday
14
Thu
15
Sunrise--6:01-------6:01-------6:01-----
Sunset----5:37-------5:37-------5:37---
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
cloud
clear
part cloud
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C232327292927252423232629292725242323262828262624
Feels °C (?)242428303130272624252731313027262525283029282926
  • 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

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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

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