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

Islita 48 hour detailed Surf Forecast

Weather Forecast for Islita

Issued: 11 pm 08 Jun 2026 (local time)

Forecast update in  hr  min

Today's Islita sea temperature is
30.2° C

1.5°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 (09 Jun):

  • Morning surf: Morning surf (09 Jun, local time) - 6ft (1.8m), 17s period with SSW swell.
  • Afternoon surf: Afternoon surf (09 Jun, local time) - 5.5ft (1.7m), 17s period with SSW swell.
  • Evening surf: Evening surf (09 Jun, local time) - 5ft (1.6m), 16s period with SSW swell.

The current surf forecast for Islita at 6AM is: 1.8m 17s primary swell from a South-southwest direction and 1.7m 9s secondary swell from a West direction (forecast issued at 11:00pm June 08). The wind direction is predicted to be cross-onshore.

Time (CST) & DateWave HeightWave Period
Morning (09 Jun)6ft (1.8m)17s
Afternoon (09 Jun)5.5ft (1.7m)17s
Evening (09 Jun)5ft (1.6m)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 36mm), heaviest during Mon night. Warm (max 29°C on Thu morning, min 24°C on Mon night). Wind will be generally light.

Tuesday
9
Wednesday
10
Thursday
11
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
3 PM
6 PM
Rating
(10 max)
2
3
3
3
3
3
3
4
3
3
3
3
3
2
3
3
3
3
3
3
3
2
2
1
Swell
Height Map
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)
1.9
SSW
18
1.9
SSW
18
1.8
SSW
17
1.8
SSW
17
1.8
SSW
17
1.8
SSW
17
1.7
SSW
17
1.7
SSW
16
1.6
SSW
16
1.5
SSW
16
1.5
SSW
16
1.5
SSW
16
1.3
SSW
16
1.3
SSW
16
1.3
SSW
16
1.2
SSW
15
1.1
SSW
14
1
SSW
14
1
SSW
14
1
SSW
14
0.9
SSW
14
0.9
SSW
14
0.9
SSW
14
0.9
SSW
14
Wave Graph
Metric surfscale
Energy kJ
2325
2222
2001
1978
1955
1932
1618
1469
1199
1054
1040
1040
859
749
740
592
508
425
431
431
362
325
325
321
Wind (km/h)
15
SW
10
SSW
10
SW
10
SSW
10
SSW
10
SSE
10
SE
5
SE
10
SE
5
SE
10
SSE
10
S
10
S
15
SSW
10
SSW
0
WSW
0
SSW
0
SSE
0
E
5
ENE
5
SE
5
SSW
5
SW
5
W
Wind State
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
glassy
cross-on
cross-on
cross-on
on
on
cross-on
cross-on
glassy
glassy
glassy
glassy
glassy
glassy
on
cross-on
cross
High Tide
8:17PM2.00m
8:53AM2.23m
9:15PM1.98m
9:47AM2.30m
10:18PM2.00m
10:45AM2.40m
Low Tide
2:26AM0.64m
3:15PM0.71m
3:20AM0.65m
4:15PM0.62m
4:18AM0.62m
5:16PM0.49m
light rain
light rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
light rain
part cloud
part cloud
part cloud
rain showers
thunderstorm
thunderstorm
cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:20
5:20
5:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:00
6:00
6:00
 mm
3
2
4
11
5
4
2
1
1
2
1
Temp °C
25
24
24
24
25
25
25
25
25
25
26
25
27
27
26
26
26
26
26
26
28
29
29
28
Feels °C
27
27
27
27
28
28
29
29
28
28
29
28
30
29
29
30
30
30
30
30
32
32
33
32
Swell 1
Height (m)
Direction
Period (s)
1.9
SSW
18
1.9
SSW
18
1.8
SSW
17
1.8
SSW
17
1.8
SSW
17
1.8
SSW
17
1.7
SSW
17
1.7
SSW
16
1.6
SSW
16
1.6
W
9
1.5
W
9
1.5
SSW
16
1.3
SSW
16
1.5
W
9
1.5
W
9
1.4
W
9
1.4
W
9
1.4
W
9
1.3
W
9
1.2
W
9
1.2
W
9
1.1
W
9
1.1
W
9
0.9
W
8
Energy kJ
2325
2222
2001
1978
1955
1932
1618
1469
1199
399
351
1040
859
357
365
311
311
311
264
225
240
194
181
108
Swell 2
Height (m)
Direction
Period (s)
1.7
WSW
8
1.7
WSW
8
1.6
W
8
1.7
W
9
1.7
W
9
1.6
W
9
1.6
W
9
1.5
W
9
1.6
W
9
1.5
SSW
16
1.5
SSW
16
1.4
W
9
1.4
W
9
1.3
SSW
16
1.3
SSW
16
1.2
SSW
15
1.1
SSW
14
1
SSW
14
1
SSW
14
1
SSW
14
0.9
SSW
14
0.9
SSW
14
0.9
SSW
14
0.9
SSW
14
Energy kJ
366
344
341
445
455
399
389
334
390
1054
1040
298
304
749
740
592
508
425
431
431
362
325
325
321
Swell 3
Height (m)
Direction
Period (s)
0.4
SSE
8
0.4
S
8
0.4
S
8
0.4
S
8
0.4
S
7
0.4
S
7
0.4
S
7
0.3
S
7
0.3
S
7
0.4
S
7
0.4
S
7
0.4
SSW
7
Energy kJ
19
19
18
18
17
17
17
9
9
16
16
17
Wind waves
Height (m)
Direction
Period (s)
Energy kJ
Nearest Offshore or Glassy
Rating
(10 max)
4
4
3
3
4
4
4
4
4
4
4
4
4
2
4
3
3
3
3
3
3
3
3
2
Distance (km)
70
70
70
73
74
39
19
0
14
14
19
19
33
440
33
0
0
0
0
0
0
64
64
57
Best forecast wave conditions in Guanacaste
Rating
(10 max)
4
4
4
4
4
4
4
4
4
3
3
3
3
3
3
3
2
Best forecast wave conditions in Costa Rica
Rating
(10 max)
4
4
4
4
4
5
4
4
4
4
4
4
4
4
4
3
3
3
3
3
3
3
2
Header Global
Rating
(10 max)
9
8
8
6
5
6
5
5
5
5
7
7
7
9
9
9
7
6
7
6
6
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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