Islas Marietas Surf Break

Lat Long: 20.68° N 105.61° W

Islas Marietas 48 hour detailed Surf Forecast

Issued: 5 am 28 Aug 2026 (local time)

Forecast update in  hr  min

Today's Islas Marietas sea temperature is
31.6°C
2.3° 

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 Aug):

  • Morning surf: Morning surf (28 Aug, local time) - 2.5ft (0.8m), 13s period with SW swell.
  • Afternoon surf: Afternoon surf (28 Aug, local time) - 1.5ft (0.4m), 7s period with WSW swell.
  • Evening surf: Evening surf (28 Aug, local time) - 1.5ft (0.4m), 7s period with WSW swell.

The current surf forecast for Islas Marietas at 10AM is: 0.7m 13s primary swell from a Southwest direction (forecast issued at 05:00am August 28). An open ocean swell of 1.1m 17s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (CST) & DateWave HeightWave Period
Morning (28 Aug)2.5ft (0.8m)13s
Afternoon (28 Aug)1.5ft (0.4m)7s
Evening (28 Aug)1.5ft (0.4m)7s

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


Short Range Forecast

Moderate rain (total 18mm), heaviest on Sat night. Warm (max 30°C on Fri morning, min 27°C on Sat night). Wind will be generally light.

Friday
28
Saturday
29
Sunday
30
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
9 PM
Rating
(10 max)
2
1
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
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)
0.7
SW
13
0.7
SW
13
0.8
SW
13
0.6
SW
13
0.4
WSW
7
0.4
WSW
7
0.4
WSW
7
0.4
WSW
7
0.3
WSW
7
0.3
W
7
0.2
WNW
12
1.5
SSW
16
0.2
WNW
12
0.2
WNW
12
0.3
SW
11
0.3
SW
11
0.2
WNW
11
0.2
WNW
11
0.3
NW
11
0.3
NW
11
1
SW
10
1.1
SW
10
1.1
SW
10
Wave Graph
Metric surfscale
Energy kJ
173
171
212
108
16
15
15
15
9
8
14
0
14
14
19
19
15
15
20
20
192
213
222
Wind (km/h)
5
N
5
N
10
NNE
10
N
15
NW
10
WSW
20
SSW
0
WNW
10
NE
15
NE
20
ENE
5
SW
10
SW
5
WSW
10
W
10
NNE
10
ENE
15
NE
15
ENE
10
NNE
15
NNW
10
NW
5
N
Wind State
off
off
off
off
cross-off
cross
on
glassy
cross-off
cross-off
cross-off
glassy
cross-on
cross-on
cross
off
cross-off
cross-off
cross-off
off
cross-off
cross-off
off
High Tide
9:52AM1.35m
9:31PM1.48m
10:09AM1.39m
10:03PM1.42m
10:27AM1.42m
Low Tide
3:33AM0.16m
3:32PM0.47m
3:54AM0.22m
4:02PM0.41m
4:14AM0.31m
4:35PM0.37m
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thunderstorm
thunderstorm
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part cloud
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thunderstorm
part cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
cloud
cloud
part cloud
part cloud
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:45
6:45
6:45
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:21
7:21
7:20
 mm
1
1
1
5
3
1
3
3
Temp °C
29
29
29
30
30
30
28
28
28
28
28
29
30
30
30
29
28
27
27
29
29
29
29
Feels °C
34
34
34
35
34
34
30
34
32
31
30
34
34
35
34
33
32
29
29
32
31
32
33
  • 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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