Islas Marietas Surf Break

Lat Long: 20.68° N 105.61° W

Islas Marietas 48 hour detailed Surf Forecast

Issued: 5 pm 17 Sep 2026 (local time)

Forecast update in  hr  min

Today's Islas Marietas sea temperature is
31.5°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 Sep):

  • Morning surf: Morning surf (18 Sep, local time) - 2.5ft (0.8m), 20s period with SW swell.
  • Afternoon surf: Afternoon surf (18 Sep, local time) - 2.5ft (0.8m), 19s period with SW swell.
  • Evening surf: Evening surf (18 Sep, local time) - 2.5ft (0.8m), 19s period with SW swell.

The current surf forecast for Islas Marietas at 12AM is: 0.8m 20s primary swell from a Southwest direction (forecast issued at 05:00pm September 17). An open ocean swell of 1.0m 13s is not directed at the surf break, a second open ocean swell of 0.5m 4s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.

Time (CST) & DateWave HeightWave Period
Morning (18 Sep)2.5ft (0.8m)20s
Afternoon (18 Sep)2.5ft (0.8m)19s
Evening (18 Sep)2.5ft (0.8m)19s

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


Short Range Forecast

Light rain (total 7mm), mostly falling on Sat night. Warm (max 30°C on Thu afternoon, min 27°C on Fri night). Mainly fresh winds.

Thu
17
Friday
18
Saturday
19
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
2
2
2
3
1
2
0
0
0
0
0
1
2
1
0
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
SW
21
0.6
SW
21
0.6
SW
21
0.8
SW
20
0.8
SW
20
0.8
SW
20
0.8
SW
20
0.9
SW
19
0.8
SW
19
0.8
SW
19
0.8
SW
19
0.9
SW
18
0.9
SW
18
0.9
SW
18
0.9
SW
18
0.9
SW
18
0.9
SW
18
1
SW
18
1
SW
18
Wave Graph
Metric surfscale
Energy kJ
368
365
344
464
455
455
455
546
450
450
441
497
470
528
522
522
522
614
614
Wind (km/h)
15
NW
15
NW
15
N
20
N
5
NNE
10
NNE
10
E
5
WSW
35
SSW
35
SSW
15
S
15
SSE
15
S
10
SSE
10
SSE
15
SSW
15
SW
15
SW
10
SSW
Wind State
cross-off
cross-off
off
off
off
cross-off
cross
cross
cross-on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
10:37AM1.20m
10:01AM1.14m
Low Tide
6:54PM0.61m
00:41AM0.58m
clear
clear
part cloud
cloud
part cloud
clear
clear
clear
cloud
part cloud
thunderstorm
thunderstorm
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:50
6:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:02
7:01
7:00
 mm
2
1
Temp °C
30
30
30
30
29
29
29
30
29
29
28
28
28
27
28
29
29
29
29
Feels °C
34
34
35
35
35
34
33
34
28
28
31
31
31
30
32
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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