Islita Surf Break

Islita 48 hour detailed Surf Forecast

Lat Long: 9.85° N 85.40° W

Issued: 5 pm 23 Jun 2026 (local time)

Forecast update in  hr  min

Today's Islita sea temperature is
29.7° C

1.2°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 (23 Jun):

  • Afternoon surf: Afternoon surf (23 Jun, local time) - 3ft (0.9m), 18s period with SW swell.
  • Evening surf: Evening surf (23 Jun, local time) - 4ft (1.2m), 17s period with SW swell.

The current surf forecast for Islita at 8PM is: 1.2m 17s primary swell from a Southwest direction and 0.7m 8s secondary swell from a South direction (forecast issued at 05:00pm June 23). The wind direction is predicted to be glassy and the swell rating is 4.

Time (CST) & DateWave HeightWave Period
Morning (23 Jun)--
Afternoon (23 Jun)3ft (0.9m)18s
Evening (23 Jun)4ft (1.2m)17s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 3mm), mostly falling on Wed afternoon. Warm (max 30°C on Wed morning, min 25°C on Tue night). Wind will be generally light.

Tue
23
Wednesday
24
Thursday
25
Fri
26
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
3 AM
6 AM
9 AM
12 PM
Rating
(10 max)
1
2
3
3
3
3
4
2
3
3
3
3
3
3
3
2
2
3
3
3
3
3
4
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
SW
18
1.2
SW
18
1.2
SW
17
1.2
SW
17
1.2
SW
16
1.2
SW
16
1.4
SW
16
1.2
SW
16
1.3
SSW
16
1.1
SW
16
1.1
SW
16
1
SW
15
1
SW
15
1.1
SW
16
1.1
SW
16
1.1
SW
16
1
SW
16
1
SW
16
1.1
SW
16
1.1
SW
16
1.1
SW
17
1
SW
16
1.1
SW
18
1.2
SW
18
Wave Graph
Metric surfscale
Energy kJ
460
895
864
825
757
757
952
748
832
628
620
459
453
551
553
560
496
489
580
587
640
527
790
915
Wind (km/h)
15
S
5
SE
5
ENE
10
NNE
10
N
10
NNE
5
NE
10
SSE
5
S
5
WNW
10
N
10
N
10
NNE
10
NNE
5
NE
5
S
5
SSW
0
SW
5
NNE
5
NNE
5
NNE
5
NNE
5
ENE
5
SSW
Wind State
on
cross-on
glassy
cross-off
off
off
cross-off
cross-on
glassy
glassy
off
off
off
cross-off
glassy
on
cross-on
glassy
glassy
cross-off
cross-off
cross-off
glassy
cross-on
High Tide
9:52PM1.99m
10:17AM2.25m
10:52PM1.93m
11:10AM2.21m
11:50PM1.92m
Low Tide
3:49PM0.62m
3:54AM0.68m
4:48PM0.63m
4:51AM0.74m
5:43PM0.62m
5:46AM0.76m
part cloud
thunderstorm
part cloud
part cloud
clear
clear
part cloud
part cloud
clear
thunderstorm
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:22
5:22
5:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:04
6:04
6:05
6:05
 mm
1
2
Temp °C
29
28
27
27
26
25
28
30
30
28
27
26
25
25
28
30
30
28
27
26
26
26
28
29
Feels °C
31
32
31
31
29
28
32
33
34
32
30
29
27
28
31
33
33
32
31
30
30
30
32
32
Swell 1
Height (m)
Direction
Period (s)
0.9
SW
18
1.2
SW
18
1.2
SW
17
1.2
SW
17
1.2
SW
16
1.2
SW
16
1.4
SW
16
1.2
SW
16
1.3
SSW
16
1.1
SW
16
1.1
SW
16
1
SW
15
1
SW
15
1.1
SW
16
1.1
SW
16
1.1
SW
16
1
SW
16
1
SW
16
1.1
SW
16
1.1
SW
16
1.1
SW
17
1
SW
16
1.1
SW
18
1.2
SW
18
Energy kJ
460
895
864
825
757
757
952
748
832
628
620
459
453
551
553
560
496
489
580
587
640
527
790
915
Swell 2
Height (m)
Direction
Period (s)
0.8
SW
15
0.7
S
8
0.7
S
8
0.7
S
8
0.6
S
8
0.6
S
8
0.6
S
8
0.6
S
8
0.6
S
8
0.6
S
8
0.5
S
8
0.6
S
16
0.5
S
16
0.5
S
8
0.6
S
16
0.6
S
15
0.5
S
14
0.5
S
14
0.4
S
7
0.6
S
10
0.6
S
10
0.7
S
11
0.8
S
12
0.8
S
11
Energy kJ
262
63
63
63
46
45
45
43
42
41
28
186
127
28
177
172
107
106
17
66
71
108
169
152
Swell 3
Height (m)
Direction
Period (s)
0.6
SW
12
0.1
S
14
0.3
S
20
0.3
S
19
0.4
SSW
18
0.4
S
18
0.4
S
18
0.4
S
18
0.4
S
18
0.5
S
18
0.4
SSW
15
0.5
S
8
0.5
S
8
0.3
S
16
0.5
S
8
0.5
S
8
0.4
S
7
0.4
S
7
0.4
SSW
14
0.4
SSW
14
0.4
SSW
14
0.5
S
13
0.4
S
14
0.3
S
13
Energy kJ
95
4
68
66
108
98
98
99
99
158
76
28
28
46
28
29
17
17
67
65
63
92
57
31
Wind waves
Height (m)
Direction
Period (s)
0.7
S
8
0.2
WNW
6
0.2
WNW
6
0.2
WNW
6
Energy kJ
61
3
3
3
Nearest Offshore or Glassy
Rating
(10 max)
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
Distance (km)
0
39
56
0
0
0
0
0
0
43
0
0
0
0
0
0
0
30
56
0
0
0
0
0
Best forecast wave conditions in Guanacaste
Rating
(10 max)
3
3
3
4
4
4
3
4
4
4
3
3
3
3
3
3
3
3
3
3
3
3
3
3
Best forecast wave conditions in Costa Rica
Rating
(10 max)
3
3
3
4
4
4
4
4
4
4
4
4
3
3
3
3
3
3
3
3
3
3
3
3
Header Global
Rating
(10 max)
5
6
7
8
9
9
9
9
8
6
6
5
5
5
5
5
5
4
4
5
5
6
6
5
  • 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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