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Surf Forecasts:

Islita surfForecast / Guanacaste / Costa Rica

information circle48hr Weather and Surf, issued 5 am Wednesday 14 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
28.4° 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 10AM is: 0.2m 10s primary swell from a South-southwest direction and 0.3m 5s secondary swell from a South direction (forecast issued at 05:00am January 14). An open ocean swell of 0.4m 9s is not directed at the surf break. The wind direction is predicted to be glassy.

Time (CST) & DateWave HeightWave Period
Morning (14 Jan)0.5ft (0.2m)10s
Afternoon (14 Jan)1ft (0.3m)8s
Evening (14 Jan)1ft (0.3m)8s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Wednesday
14
Thursday
15
Friday
16
Sat
17
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)
0
0
0
0
0
0
0
0
0
0
0
1
0
1
1
1
1
1
1
1
0
1
1
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.3
SW
0.2
SSW
0.2
SSW
0.3
S
0.3
S
0.3
S
0.3
S
0.3
SW
0.3
S
0.3
S
0.2
SSW
0.2
SSW
0.3
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SSW
0.4
SSW
0.6
SSW
0.6
SSW
Period(s) (?)101010988810881616111514141414141414131313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)15101014131212161212252520605353535353527470116114
Wind
(km/h)
10
NNE
10
NNE
5
NNE
5
S
10
SW
5
WSW
0
WNW
5
NE
5
NNE
10
N
10
NNE
5
SW
10
W
5
S
5
E
5
NNE
10
NNE
10
NNE
10
NNE
5
SE
5
SSW
0
W
5
N
10
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffoffoncross-
on		glassglasscross-
off		offoffcross-
off		glasscrossglassglasscross-
off		offcross-
off		cross-
off		glassonglassoffoff
High Tide
/ height (m)
11:34AM
1.79
11:47PM
2.08
12:34PM
1.84
12:42AM
2.14
1:26PM
1.93
Low Tide
/ height (m)
5:27AM
0.73
5:27PM
0.86
6:24AM
0.67
6:26PM
0.82
7:16AM
0.58
7:18PM
0.75
Wednesday
14
Thursday
15
Friday
16
Sat
17
Sunrise--6:01-------6:01-------6:01-----
Sunset----5:37-------5:38-------5:38---
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
Rain (mm)
------------------------
Temp. °C232326292827262424232729292726252423272928272625
Feels °C (?)252528312930292626252931313029272524293230302927
  • 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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