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Surf Forecasts:

Islita surfForecast / Guanacaste / Costa Rica

information circle48hr Weather and Surf, issued 5 am Tuesday 20 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 1.2°C warmer than normal for this time of year)

How big are the waves at Islita today?

The current surf forecast for Islita at 2PM is: 0.5m 13s primary swell from a South-southwest direction (forecast issued at 05:00am January 20). An open ocean swell of 0.5m 10s is not directed at the surf break. The wind direction is predicted to be glassy.

Time (CST) & DateWave HeightWave Period
Morning (20 Jan)1.5ft (0.5m)13s
Afternoon (20 Jan)1.5ft (0.5m)13s
Evening (20 Jan)1.5ft (0.4m)18s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Tuesday
20
Wednesday
21
Thursday
22
Fri
23
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
1
1
1
1
2
1
2
1
1
2
3
2
2
2
2
2
1
1
2
2
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.5
S
0.5
S
0.5
SSW
0.6
SSW
0.5
SSW
0.4
SW
0.4
SW
0.5
SW
0.4
SW
0.5
SW
0.5
SW
0.6
SW
0.8
SW
0.9
SW
0.8
SW
0.6
SW
0.6
SW
0.6
SW
0.6
SW
0.7
SW
0.8
SW
0.9
SW
0.9
SSW
0.8
SW
Period(s) (?)131313131318181716161616161616151514141414141414
Wave
Graph
(?)Metric surfscale
Energy kJ (?)9090101137938010914769125125206302362302188174169169214251301357241
Wind
(km/h)
10
N
10
NNE
10
NNE
5
E
5
S
5
NNW
15
NNE
15
NNE
15
NNE
10
NNE
10
NE
5
S
5
W
0
WNW
10
NNE
10
NNE
10
N
10
NNE
10
NNE
10
S
10
S
0
SSW
0
ENE
5
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffcross-
off		glassglassglassoffoffcross-
off		offcross-
off		onglassglassoffoffoffoffoffononglassglassoff
High Tide
/ height (m)
3:35AM
2.43
4:08PM
2.36
4:13AM
2.46
4:44PM
2.45
4:50AM
2.45
5:19PM
2.51
Low Tide
/ height (m)
9:54AM
0.25
10:07PM
0.46
10:28AM
0.23
10:46PM
0.43
11:02AM
0.23
11:26PM
0.41
Tuesday
20
Wednesday
21
Thursday
22
Fri
23
Sunrise--6:03-------6:03-------6:03-----
Sunset----5:40-------5:42-------5:42---
part cloud
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. °C252427303028262524242729292825242423272929272625
Feels °C (?)272628333332272625262830323227262624293030302927
  • 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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