Islita Surf Break

Lat Long: 9.85° N 85.40° W

Islita 48 hour detailed Surf Forecast

Issued: 11 am 21 Sep 2026 (local time)

Forecast update in  hr  min

Today's Islita sea temperature is
30.3°C
2.5° 

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 (21 Sep):

  • Morning surf: Morning surf (21 Sep, local time) - 3.5ft (1.1m), 18s period with SW swell.
  • Afternoon surf: Afternoon surf (21 Sep, local time) - 3.5ft (1.0m), 17s period with SW swell.
  • Evening surf: Evening surf (21 Sep, local time) - 3ft (0.9m), 16s period with SW swell.

The current surf forecast for Islita at 7PM is: 0.9m 17s primary swell from a Southwest direction and 0.8m 7s secondary swell from a South-southwest direction (forecast issued at 11:00am September 21). The wind direction is predicted to be cross-onshore.

Time (CST) & DateWave HeightWave Period
Morning (21 Sep)3.5ft (1.1m)18s
Afternoon (21 Sep)3.5ft (1.0m)17s
Evening (21 Sep)3ft (0.9m)16s

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


Short Range Forecast

Heavy rain (total 47mm), heaviest during Mon morning. Warm (max 29°C on Tue morning, min 25°C on Mon morning). Wind will be generally light.

Mon
21
Tuesday
22
Wednesday
23
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
Rating
(10 max)
3
3
3
2
2
2
2
2
2
1
0
1
1
3
2
2
2
1
0
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.1
SW
18
1.1
SW
18
1
SW
17
0.9
SW
17
0.9
SW
16
0.9
SW
16
0.9
SW
16
1
SW
16
1
SW
16
0.9
SW
16
0.9
SW
16
0.9
SW
16
0.9
SW
16
1
SW
16
0.9
SW
16
0.8
SW
16
0.8
SW
16
0.8
SW
15
0.8
SW
15
0.8
SW
15
0.8
SW
15
Wave Graph
Metric surfscale
Energy kJ
679
679
582
487
448
443
443
504
498
427
421
421
421
480
416
348
339
276
313
305
301
Wind (km/h)
5
NNW
5
N
5
SE
5
SSE
5
SE
5
ESE
5
SE
5
SE
10
ESE
10
SSE
10
SSW
5
SSW
5
WSW
0
NNW
0
ESE
5
SE
5
SSW
10
SW
10
WSW
5
WSW
5
NW
Wind State
off
off
glassy
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
cross-on
glassy
glassy
glassy
glassy
cross-on
cross-on
cross
glassy
High Tide
10:09AM1.90m
11:03PM1.81m
11:18AM1.95m
00:03AM1.94m
12:16PM2.04m
Low Tide
4:45PM0.81m
5:06AM0.93m
5:45PM0.75m
6:08AM0.82m
6:34PM0.65m
thunderstorm
thunderstorm
cloud
part cloud
cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
clear
clear
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:30
5:30
5:30
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:37
5:37
5:37
 mm
14
2
1
1
2
1
3
1
4
1
1
2
2
3
Temp °C
25
26
26
26
26
26
26
26
27
29
28
26
25
26
26
26
28
29
28
27
27
Feels °C
30
31
30
30
30
30
30
30
31
32
32
30
29
32
31
31
33
33
31
31
32
  • 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
How to use the Wavefinder 

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.


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