Islita Surf Break
Lat Long: 9.85° N 85.40° W

Islita 48 hour detailed Surf Forecast

Weather Forecast for Islita

Issued: 5 am 02 Jun 2026 (local time)

Forecast update in  hr  min

Today's Islita sea temperature is
30.1° C

1.4°C warmer than normal for this time of year

Islita surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Islita today (02 Jun):

  • Morning surf: Morning surf (02 Jun, local time) - 4.5ft (1.4m), 16s period with SW swell.
  • Afternoon surf: Afternoon surf (02 Jun, local time) - 4.5ft (1.4m), 16s period with SW swell.
  • Evening surf: Evening surf (02 Jun, local time) - 4.5ft (1.3m), 16s period with SW swell.

The current surf forecast for Islita at 9AM is: 1.4m 16s primary swell from a Southwest direction and 0.8m 12s secondary swell from a South direction (forecast issued at 05:00am June 02). The wind direction is predicted to be glassy and the swell rating is 4.

Time (CST) & DateWave HeightWave Period
Morning (02 Jun)4.5ft (1.4m)16s
Afternoon (02 Jun)4.5ft (1.4m)16s
Evening (02 Jun)4.5ft (1.3m)16s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 58mm), heaviest during Thu night. Warm (max 31°C on Tue morning, min 25°C on Thu night). Wind will be generally light.

Tuesday
2
Wednesday
3
Thursday
4
Fri
5
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
Rating
(10 max)
4
4
4
2
2
3
3
4
4
4
4
3
2
3
3
4
4
4
3
2
2
3
4
3
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.5
SW
16
1.4
SW
16
1.4
SW
16
1.4
SW
16
1.4
SW
16
1.3
SW
16
1.3
SW
16
1.3
SW
15
1.2
SW
15
1.2
SW
15
1.1
SW
15
1.1
SW
15
1.4
SW
18
1.4
SW
18
1.4
SW
17
1.5
SW
18
1.5
SW
18
1.2
SW
18
1.2
SW
19
1.6
SW
19
1.1
SW
19
1.4
SW
16
1.6
SW
19
1.6
SW
18
Wave Graph
Metric surfscale
Energy kJ
1144
1001
989
894
894
783
773
743
649
631
543
543
1136
1111
1098
1351
1367
957
984
1884
920
906
1825
1709
Wind (km/h)
5
NE
5
NE
5
ENE
15
S
10
SSW
5
SW
5
WNW
5
WNW
5
NNE
5
NNE
0
WNW
10
SW
10
WSW
10
W
5
WSW
5
SSW
5
SSW
5
ENE
5
ESE
10
S
15
S
5
S
5
SE
10
SE
Wind State
glassy
cross-off
glassy
on
on
cross-on
glassy
glassy
glassy
glassy
glassy
cross-on
cross-on
cross
cross-on
glassy
glassy
glassy
cross-on
on
on
on
glassy
cross-on
High Tide
3:56AM2.20m
4:01PM2.38m
4:36AM2.19m
4:39PM2.34m
5:16AM2.18m
5:18PM2.28m
Low Tide
9:52AM0.54m
10:23PM0.32m
10:32AM0.58m
11:01PM0.36m
11:12AM0.63m
11:39PM0.41m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
5:18
5:18
5:18
5:18
5:59
5:59
6:00
6:00
2
3
1
1
1
2
4
1
1
1
1
2
4
3
2
2
2
4
4
4
3
3
5
Temp °C
28
28
30
31
30
29
28
28
27
27
29
30
29
28
28
28
27
27
28
28
27
26
26
25
33
32
34
34
33
34
33
33
32
32
34
33
32
32
32
33
32
32
32
32
30
30
31
29
Swell 1
Height (m)
Direction
Period (s)
1.5
SW
16
1.4
SW
16
1.4
SW
16
1.4
SW
16
1.4
SW
16
1.3
SW
16
1.3
SW
16
1.3
SW
15
1.2
SW
15
1.2
SW
15
1.1
SW
15
1.1
SW
15
1.4
SW
18
1.4
SW
18
1.4
SW
17
1.5
SW
18
1.5
SW
18
1.2
SW
18
1.2
SW
19
1.6
SW
19
1.2
SW
16
1.4
SW
16
1.6
SW
19
1.6
SW
18
Energy kJ
1144
1001
989
894
894
783
773
743
649
631
543
543
1136
1111
1098
1351
1367
957
984
1884
711
906
1825
1709
Swell 2
Height (m)
Direction
Period (s)
0.8
S
12
0.8
S
12
0.8
S
12
0.7
S
12
0.8
S
11
0.7
SSW
11
0.6
S
11
0.8
SSW
11
0.8
SSW
11
0.7
SSW
10
0.8
SW
19
0.8
SW
20
0.4
S
10
0.6
SSW
5
0.8
SSW
5
0.8
SSW
5
0.9
SSW
6
1
SW
15
1
SW
15
1
S
6
1.1
SW
19
1
SW
19
0.9
SSW
6
0.9
SSW
6
Energy kJ
180
177
174
132
160
123
85
128
128
115
450
455
30
19
32
31
55
418
429
84
920
723
68
55
Swell 3
Height (m)
Direction
Period (s)
0.1
SW
22
0.2
SSW
22
0.3
SW
21
0.4
SW
21
0.4
SW
21
0.5
SW
4
0.5
SW
20
0.6
SW
20
0.6
SW
20
0.6
SSW
10
0.6
SSW
10
0.1
W
15
0.4
S
9
0.6
SW
21
0.4
SW
21
0.4
SW
21
0.9
SSW
6
1
SSW
6
0.4
SSW
15
0.4
SSW
15
1
S
6
0.6
SSW
15
0.6
SSW
14
Energy kJ
18
45
72
113
108
7
188
306
306
80
75
4
28
355
162
162
66
80
71
71
78
167
160
Wind waves
Height (m)
Direction
Period (s)
0.5
SW
3
0.6
SSW
5
0.7
SW
5
1.1
S
6
Energy kJ
6
17
28
95
Nearest Offshore or Glassy
Rating
(10 max)
4
4
4
4
4
3
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
Distance (km)
0
0
0
33
64
76
0
0
0
0
0
57
57
64
70
0
0
0
14
33
43
14
0
30
Best forecast wave conditions in Guanacaste
Rating
(10 max)
4
4
4
4
4
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
Best forecast wave conditions in Costa Rica
Rating
(10 max)
4
4
4
4
4
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
Header Global
Rating
(10 max)
5
4
5
4
5
5
5
5
4
5
5
5
5
5
5
4
5
4
5
5
5
5
5
5
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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