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Surf Forecasts:

Islita surfForecast / Guanacaste / Costa Rica

information circle48hr Weather and Surf, issued 11 pm Monday 19 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 5AM is: 0.5m 13s primary swell from a South direction (forecast issued at 11:00pm January 19). An open ocean swell of 0.5m 12s is not directed at the surf break, a second open ocean swell of 0.3m 2s is not directed at the surf break. The wind direction is predicted to be offshore.

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
9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM
Rating
(10 max)
1
1
1
1
1
1
0
1
1
1
1
2
1
1
2
3
2
2
2
2
2
1
1
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.5
S
0.6
SSW
0.5
S
0.5
S
0.5
SSW
0.6
SSW
0.5
SSW
0.4
SW
0.4
SW
0.4
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
Period(s) (?)141413131313131818171616161616161615151414141414
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1071439090101137938310910669125125206302362302188174169169214248301
Wind
(km/h)
10
NNE
10
NNE
15
NNE
15
NNE
15
NNE
5
ESE
5
SSE
5
NNE
15
NNE
15
NNE
15
NNE
10
NNE
10
NE
5
SSE
5
SW
0
NE
10
N
10
NNE
10
N
10
NNE
5
NNE
10
S
10
SSW
5
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		offoffoffcross-
off		glassonglassoffoffoffoffcross-
off		cross-
on		glassglassoffoffoffoffoffoncross-
on		glass
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)
9:28PM
0.52
9:54AM
0.25
10:07PM
0.46
10:28AM
0.23
10:46PM
0.43
11:02AM
0.23
Tuesday
20
Wednesday
21
Thursday
22
Sunrise----6:03-------6:03-------6:03---
Sunset------5:40-------5:42-------5:42-
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. °C262525242830302826252424273029272524242327292927
Feels °C (?)282726252932323127262526283232312726262429303130
  • 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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