Islas Marietas Surf Break

Lat Long: 20.68° N 105.61° W

Islas Marietas 48 hour detailed Surf Forecast

Issued: 5 am 29 Jul 2026 (local time)

Forecast update in  hr  min

Today's Islas Marietas sea temperature is
31.6° 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 (29 Jul):

  • Morning surf: Morning surf (29 Jul, local time) - 3.5ft (1.1m), 9s period with SW swell.
  • Afternoon surf: Afternoon surf (29 Jul, local time) - 3.5ft (1.0m), 12s period with WSW swell.
  • Evening surf: Evening surf (29 Jul, local time) - 3.5ft (1.0m), 11s period with WSW swell.

The current surf forecast for Islas Marietas at 9AM is: 1.1m 9s primary swell from a Southwest direction (forecast issued at 05:00am July 29). An open ocean swell of 1.7m 16s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (CST) & DateWave HeightWave Period
Morning (29 Jul)3.5ft (1.1m)9s
Afternoon (29 Jul)3.5ft (1.0m)12s
Evening (29 Jul)3.5ft (1.0m)11s

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


Short Range Forecast

Moderate rain (total 10mm), heaviest on Wed night. Warm (max 30°C on Fri afternoon, min 27°C on Wed night). Wind will be generally light.

Wednesday
29
Thursday
30
Friday
31
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
2
0
0
2
2
1
0
0
0
1
0
0
1
0
0
1
1
1
1
1
0
0
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)
1.1
SW
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
0.7
WSW
11
0.7
WSW
10
0.7
WSW
10
0.6
WSW
10
0.6
WSW
9
0.6
WSW
9
0.6
W
10
0.6
W
9
0.5
W
9
0.5
W
9
Wave Graph
Metric surfscale
Energy kJ
258
230
194
172
299
260
226
202
183
173
167
167
161
119
106
100
72
66
68
65
61
41
40
Wind (km/h)
5
NNW
10
E
10
ESE
10
WSW
10
WNW
10
WNW
5
SW
20
SW
10
S
10
SE
5
ESE
10
WSW
10
SW
5
SSE
5
E
5
E
10
ENE
10
NE
10
NE
10
NNW
15
WNW
10
WNW
15
NNW
Wind State
off
cross-off
cross-on
cross
cross-off
cross-off
cross-on
cross-on
on
cross-on
glassy
cross-on
cross-on
glassy
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
High Tide
10:16AM1.19m
9:08PM1.48m
10:36AM1.22m
9:38PM1.47m
10:55AM1.24m
Low Tide
3:39AM0.10m
3:14PM0.71m
4:03AM0.12m
3:43PM0.67m
4:26AM0.16m
4:15PM0.63m
thunderstorm
thunderstorm
clear
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
part cloud
cloud
thunderstorm
clear
cloud
light rain
cloud
clear
clear
cloud
clear
part cloud
clear
clear
part cloud
<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
7:40
7:40
 mm
4
1
1
5
2
1
1
Temp °C
28
28
28
29
29
29
29
28
27
27
28
29
28
27
27
27
27
27
28
29
29
30
29
Feels °C
31
32
32
33
32
32
33
30
30
31
33
32
31
32
32
31
31
31
32
34
32
34
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 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.


Nearest locationNearest