Islas Marietas Surf Break

Lat Long: 20.68° N 105.61° W

Islas Marietas 48 hour detailed Surf Forecast

Issued: 11 pm 17 Aug 2026 (local time)

Forecast update in  hr  min

Today's Islas Marietas sea temperature is
31.8° 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 (18 Aug):

  • Morning surf: Morning surf (18 Aug, local time) - 1ft (0.3m), 6s period with WNW swell.
  • Afternoon surf: Afternoon surf (18 Aug, local time) - 1ft (0.3m), 6s period with WNW swell.
  • Evening surf: Evening surf (18 Aug, local time) - 1ft (0.3m), 7s period with WNW swell.

The current surf forecast for Islas Marietas at 7AM is: 0.3m 6s primary swell from a West-northwest direction (forecast issued at 11:00pm August 17). An open ocean swell of 1.1m 14s is not directed at the surf break, a second open ocean swell of 0.3m 8s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (CST) & DateWave HeightWave Period
Morning (18 Aug)1ft (0.3m)6s
Afternoon (18 Aug)1ft (0.3m)6s
Evening (18 Aug)1ft (0.3m)7s

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


Short Range Forecast

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

Tuesday
18
Wednesday
19
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)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
SSW
14
0.9
SW
13
0.3
W
6
0.3
WNW
6
0.3
WNW
6
0.2
WNW
6
0.3
WNW
6
0.3
WNW
7
0.3
WNW
7
0.3
WNW
8
0.3
WNW
12
0.3
WNW
7
0.2
WNW
7
0.3
WNW
12
0.4
NW
12
0.4
NW
12
0.3
SW
21
Wave Graph
Metric surfscale
Energy kJ
0
261
6
7
7
4
8
10
9
12
28
10
5
28
37
36
67
Wind (km/h)
15
SSW
10
SSE
10
SE
5
S
5
SSE
5
WSW
10
WSW
10
WSW
0
SW
5
E
15
ENE
5
NNE
0
NNE
10
WNW
15
NW
10
N
10
NNE
Wind State
on
cross-on
cross-on
on
cross-on
cross
cross
cross
glassy
glassy
cross-off
glassy
glassy
cross-off
cross-off
off
cross-off
High Tide
00:10AM0.96m
12:01PM1.26m
00:54AM0.81m
12:09PM1.21m
Low Tide
5:13AM0.67m
7:11PM0.62m
4:42AM0.74m
part cloud
part cloud
part cloud
cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:41
6:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:29
7:29
 mm
1
2
1
1
3
2
Temp °C
29
29
28
28
28
29
29
30
29
28
28
28
29
29
30
30
29
Feels °C
33
33
33
33
33
34
33
35
35
33
31
33
35
33
33
34
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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