Islas Marietas Surf Break

Lat Long: 20.68° N 105.61° W

Islas Marietas 48 hour detailed Surf Forecast

Issued: 11 am 28 Jul 2026 (local time)

Forecast update in  hr  min

Today's Islas Marietas sea temperature is
31.5° C
2.1° 

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


How big are the waves at Islas Marietas today (28 Jul):

  • Morning surf: Morning surf (28 Jul, local time) - 5ft (1.6m), 11s period with SW swell.
  • Afternoon surf: Afternoon surf (28 Jul, local time) - 3.5ft (1.1m), 10s period with SW swell.
  • Evening surf: Evening surf (28 Jul, local time) - 4.5ft (1.3m), 10s period with SW swell.

The current surf forecast for Islas Marietas at 4PM is: 1.3m 10s primary swell from a Southwest direction (forecast issued at 11:00am July 28). An open ocean swell of 1.8m 16s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (CST) & DateWave HeightWave Period
Morning (28 Jul)5ft (1.6m)11s
Afternoon (28 Jul)3.5ft (1.1m)10s
Evening (28 Jul)4.5ft (1.3m)10s

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


Short Range Forecast

Heavy rain (total 25mm), heaviest during Tue night. Warm (max 30°C on Tue afternoon, min 26°C on Thu night). Wind will be generally light.

Tue
28
Wednesday
29
Thursday
30
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
2
2
2
2
2
2
0
0
1
1
1
0
0
0
1
1
0
0
1
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)
1.6
SW
11
1.6
SW
11
1.1
SW
10
1.4
SW
10
1.3
SW
10
1.2
WSW
10
1
WSW
11
1.1
SW
10
1.1
SW
9
1
WSW
9
1
WSW
12
1
WSW
12
1
WSW
11
0.9
WSW
11
0.9
WSW
11
0.9
WSW
11
0.9
WSW
11
0.8
WSW
11
0.8
WSW
11
0.8
WSW
11
0.8
WSW
11
Wave Graph
Metric surfscale
Energy kJ
650
611
245
416
348
272
234
230
198
172
299
265
234
183
167
180
180
167
161
156
150
Wind (km/h)
5
NNE
10
NW
15
NW
10
WNW
10
WNW
0
WNW
0
E
5
E
10
E
5
W
15
W
10
W
5
SW
15
SSW
10
S
10
S
5
SE
5
WSW
15
WSW
5
SSW
5
E
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
glassy
cross-off
cross
cross
cross
cross
cross-on
cross-on
on
on
glassy
glassy
cross
on
glassy
High Tide
9:56AM1.17m
8:37PM1.46m
10:16AM1.19m
9:08PM1.48m
10:36AM1.22m
Low Tide
2:47PM0.76m
3:39AM0.10m
3:14PM0.71m
4:03AM0.12m
3:43PM0.67m
clear
clear
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
part cloud
clear
clear
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
part cloud
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:35
6:35
6:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:42
7:42
7:40
 mm
2
4
4
4
2
1
3
1
1
3
Temp °C
28
29
29
30
29
29
28
27
28
29
29
29
29
28
28
27
27
28
29
27
26
Feels °C
32
32
31
33
33
34
33
31
32
33
31
32
33
30
31
31
31
32
32
32
31
  • 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 Islas Marietas 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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