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

Islita 48 hour detailed Surf Forecast

Weather Forecast for Islita

Issued: 11 pm 04 Jun 2026 (local time)

Forecast update in  hr  min

Today's Islita sea temperature is
30.4° C

1.7°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 (05 Jun):

  • Morning surf: Morning surf (05 Jun, local time) - 5.5ft (1.7m), 17s period with SW swell.
  • Afternoon surf: Afternoon surf (05 Jun, local time) - 5ft (1.6m), 17s period with SW swell.
  • Evening surf: Evening surf (05 Jun, local time) - 5ft (1.6m), 17s period with SW swell.

The current surf forecast for Islita at 3AM is: 1.7m 18s primary swell from a Southwest direction and 0.6m 6s secondary swell from a South-southwest direction (forecast issued at 11:00pm June 04). The wind direction is predicted to be glassy and the swell rating is 4.

Time (CST) & DateWave HeightWave Period
Morning (05 Jun)5.5ft (1.7m)17s
Afternoon (05 Jun)5ft (1.6m)17s
Evening (05 Jun)5ft (1.6m)17s

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 92mm), heaviest during Sun afternoon. Warm (max 29°C on Fri morning, min 23°C on Sun afternoon). Wind will be generally light.

Friday
5
Saturday
6
Sunday
7
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)
4
3
4
4
4
3
2
3
4
4
4
4
3
3
4
4
4
4
4
3
3
2
3
3
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)
1.6
SW
19
1.7
SW
18
1.7
SW
18
1.7
SW
18
1.7
SW
17
1.6
SW
17
1.6
SW
17
1.6
SW
17
1.6
SW
17
1.6
SW
16
1.5
SW
16
1.5
SW
16
1.4
SW
16
1.4
SW
16
1.4
SW
16
1.4
SW
16
1.4
SW
16
1.3
SW
16
1.2
SW
15
1.2
SW
15
1.3
SSW
15
1.2
SW
15
1.2
SW
14
1.2
SW
14
Wave Graph
Metric surfscale
Energy kJ
1825
1842
1798
1777
1722
1597
1579
1542
1453
1271
1158
1144
1014
906
894
883
883
773
675
649
720
623
614
614
Wind (km/h)
5
E
5
ESE
5
ESE
5
E
5
SE
10
S
10
SW
5
SW
5
NNE
5
E
5
ESE
0
NE
5
SSW
5
SW
0
WSW
0
NW
5
SW
0
SE
5
NNW
0
NE
5
NW
5
WSW
10
SSW
5
WSW
Wind State
glassy
cross-on
glassy
glassy
glassy
on
cross-on
cross-on
glassy
glassy
glassy
glassy
cross-on
cross-on
glassy
glassy
glassy
glassy
glassy
glassy
cross-off
cross-on
on
cross-on
High Tide
5:56AM2.16m
5:58PM2.20m
6:36AM2.14m
6:39PM2.13m
7:18AM2.15m
Low Tide
11:39PM0.41m
11:53AM0.69m
00:17AM0.48m
12:36PM0.74m
00:56AM0.55m
1:24PM0.77m
part cloud
part cloud
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
light rain
thunderstorm
mod rain
mod rain
thunderstorm
thunderstorm
thunderstorm
light rain
light rain
light rain
thunderstorm
mod rain
heavy rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:18
5:18
5:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:00
6:00
6:00
 mm
3
4
1
3
2
2
2
3
7
7
2
4
5
3
3
2
3
9
27
Temp °C
27
27
27
27
28
29
28
27
27
26
26
26
26
26
25
25
26
26
26
25
25
25
24
23
Feels °C
31
31
31
32
32
33
31
32
32
30
31
31
30
30
30
30
31
31
31
30
29
29
27
27
Swell 1
Height (m)
Direction
Period (s)
1.6
SW
19
1.7
SW
18
1.7
SW
18
1.7
SW
18
1.7
SW
17
1.6
SW
17
1.6
SW
17
1.6
SW
17
1.6
SW
17
1.6
SW
16
1.5
SW
16
1.5
SW
16
1.4
SW
16
1.4
SW
7
1.4
WSW
7
1.4
SW
16
1.6
WSW
7
1.4
WSW
8
1.3
WSW
8
1.2
SW
15
1.3
SSW
15
1.2
SW
15
1.2
SW
14
1.7
WSW
8
Energy kJ
1825
1842
1798
1777
1722
1597
1579
1542
1453
1271
1158
1144
1014
173
197
883
257
243
191
649
720
623
614
392
Swell 2
Height (m)
Direction
Period (s)
0.6
SSW
6
0.6
SSW
6
0.6
SSW
6
0.6
SSW
6
0.5
SSW
13
0.6
SSW
13
0.6
SSW
14
0.6
SSW
13
0.6
SSW
13
0.8
SSW
13
0.7
S
13
0.9
SSW
13
1.1
SW
6
1.4
SW
16
1.4
SW
16
0.5
S
12
1.4
SW
16
1.3
SW
16
1.2
SW
15
1.1
W
8
1.1
W
8
1.1
W
8
1.2
WSW
8
1.2
SW
14
Energy kJ
28
30
31
31
101
141
143
141
137
225
166
265
94
906
894
72
883
773
675
169
165
165
202
614
Swell 3
Height (m)
Direction
Period (s)
0.6
SSW
15
0.6
SSW
14
0.5
S
14
0.3
SSW
13
0.5
S
6
0.5
S
6
0.5
S
6
0.6
SSW
6
0.4
SW
6
0.5
SW
6
0.6
SSW
13
0.6
S
13
0.5
SSW
12
0.5
S
12
0.2
S
8
0.4
SSW
12
0.7
S
12
0.7
S
12
0.7
S
7
0.7
S
7
0.7
S
7
0.7
S
7
0.6
SSW
22
Energy kJ
167
160
93
35
20
19
19
29
8
16
133
119
87
67
5
47
141
144
52
49
48
47
320
Wind waves
Height (m)
Direction
Period (s)
1.7
WSW
7
1.6
WSW
8
Energy kJ
248
294
Nearest Offshore or Glassy
Rating
(10 max)
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
3
3
4
4
3
Distance (km)
0
14
0
0
0
39
64
64
0
0
0
0
39
57
0
0
0
0
0
0
0
64
64
148
Best forecast wave conditions in Guanacaste
Rating
(10 max)
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
3
4
4
Best forecast wave conditions in Costa Rica
Rating
(10 max)
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
3
4
4
3
Header Global
Rating
(10 max)
5
5
9
9
9
9
8
8
8
8
9
9
9
9
9
8
6
8
8
8
8
7
7
7
  • 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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