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Surf Forecasts:

Islita surfForecast / Guanacaste / Costa Rica

information circle48hr Weather and Surf, issued 5 pm Tuesday 13 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 1.3°C warmer than normal for this time of year)

How big are the waves at Islita today?

The current surf forecast for Islita at 10PM is: 0.3m 10s primary swell from a Southwest direction and 0.4m 6s secondary swell from a South direction (forecast issued at 05:00pm January 13). An open ocean swell of 0.4m 10s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (CST) & DateWave HeightWave Period
Morning (13 Jan)--
Afternoon (13 Jan)1.5ft (0.4m)10s
Evening (13 Jan)1ft (0.3m)10s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Tuesday
13
Wednesday
14
Thursday
15
Friday
16
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
1
1
1
1
1
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.4
SW
0.4
SW
0.3
SW
0.4
S
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
Period(s) (?)10101061010109888108816161115141414141414
Wave
Graph
(?)Metric surfscale
Energy kJ (?)272515101510101413121216121225252060535353535352
Wind
(km/h)
5
SSW
5
SSE
5
NE
10
N
10
NNE
10
NNE
5
NNE
5
SSW
10
SW
5
W
5
NNW
10
NE
5
NNE
5
NNE
5
NNE
5
SW
5
W
5
SSW
5
E
5
NNE
10
NNE
10
NNE
10
NNE
5
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglasscross-
off		offoffoffglasscross-
on		cross-
on		crossglasscross-
off		cross-
off		offcross-
off		glasscrossglassglassoffoffoffcross-
off		cross-
on
High Tide
/ height (m)
10:48PM
2.07
11:34AM
1.79
11:47PM
2.08
12:34PM
1.84
12:42AM
2.14
Low Tide
/ height (m)
4:26PM
0.85
5:27AM
0.73
5:27PM
0.86
6:24AM
0.67
6:26PM
0.82
7:16AM
0.58
Tuesday
13
Wednesday
14
Thursday
15
Friday
16
Sunrise------6:01-------6:01-------6:01-
Sunset5:37-------5:37-------5:38-------
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C292725242323262828272624242327292927262524232629
Feels °C (?)313027262525282929292926262529323230292726242831
  • 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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