Islas Marietas Surf Break

Lat Long: 20.68° N 105.61° W

Islas Marietas Surf Forecast and Surf Report

Issued: 5 pm 09 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.


Islas Marietas surf forecast from 10 Sep 2026:

  • Best quality surf: Thursday 10 Sep, 6AM (local time) - 4.5ft (1.3m), 16s period, SW swell with glassy winds.
  • Most powerful swell: Friday 11 Sep, 12AM (local time) - 4.5ft (1.4m), 16s period, SW swell with 894 kJ wave energy.
  • Next surfable swell (1★+): Thursday 10 Sep, 6AM (local time) - 4.5ft (1.3m), 16s period with SW swell.

Best Forecast Surf Conditions for Islas Marietas this week:

The surf forecast for Islas Marietas over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Sep 10) at 6AM. The primary swell is predicted to be 1.3m and 16s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Islas Marietas in the next 16 days are 1.4m 16s and forecast to arrive on Friday (Sep 11) at 12AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 16s period and expected on Wednesday (Sep 16) at 6AM.

Wave TypeTime (CST) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Thu 10th Sep)4.5ft (1.3m) 16s
Best Surf 6AM (Thu 10th Sep)4.5ft (1.3m) 16s
Most Powerful12AM (Fri 11th Sep)4.5ft (1.4m) 16s

Table - best surf conditions forecast for Islas Marietas over the next 16 days.


Short Range Forecast

Light rain (total 5mm), mostly falling on Wed night. Warm (max 30°C on Wed afternoon, min 27°C on Wed night). Wind will be generally light.

Days 5-7 Weather Summary

Light rain (total 3mm), mostly falling on Sun afternoon. Warm (max 30°C on Sun afternoon, min 27°C on Sun night). Wind will be generally light.

Wed
9
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
2
3
3
3
2
0
2
2
2
2
2
1
2
0
3
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1
SW
17
0.9
SW
18
1.2
SW
16
1.3
SW
16
1.4
SW
16
1.1
SW
15
0.3
WNW
8
1
SW
14
0.9
SW
14
0.9
SW
14
0.8
SW
13
0.8
SW
13
0.5
SW
19
0.6
SW
19
0.4
WNW
6
0.9
SW
18
0.4
SW
12
0.2
WNW
5
0.3
WNW
11
1.2
SSW
16
Wave Graph
Metric surfscale
Energy kJ
567
449
739
803
894
558
11
407
297
284
212
208
184
290
10
444
49
2
23
0
Wind (km/h)
15
W
20
E
5
ENE
10
WNW
10
ENE
10
E
15
NW
10
NNE
10
NE
15
NW
5
ENE
10
ENE
10
W
10
ENE
15
NE
15
NW
15
NE
10
NE
20
NNW
10
NNE
Wind State
cross
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
8:30PM1.52m
9:21AM1.40m
9:07PM1.51m
9:39AM1.44m
9:41PM1.45m
9:57AM1.46m
10:14PM1.36m
10:14AM1.45m
10:44PM1.24m
10:29AM1.43m
11:13PM1.10m
10:42AM1.39m
11:40PM0.96m
Low Tide
3:04AM0.13m
3:09PM0.42m
3:28AM0.21m
3:39PM0.35m
3:49AM0.31m
4:09PM0.31m
4:06AM0.43m
4:37PM0.31m
4:19AM0.54m
5:05PM0.35m
4:25AM0.63m
5:33PM0.42m
thunderstorm
light rain
part cloud
part cloud
part cloud
clear
part cloud
thunderstorm
clear
clear
part cloud
clear
thunderstorm
rain showers
part cloud
clear
clear
part cloud
clear
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:48
6:48
6:48
6:48
6:48
6:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:10
7:09
7:08
7:07
7:07
7:06
7:05
 mm
1
3
1
2
1
2
Temp °C
30
28
29
29
28
29
30
29
29
29
29
29
30
28
29
30
29
29
30
29
Feels °C
33
31
33
31
31
33
32
32
33
32
34
33
33
31
31
32
32
31
33
31
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Islas Marietas Surf forecast

The above surf forecast table for Islas Marietas provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Islas Marietas can be found by selecting the local surf guide option on the grey menu. Our Islas Marietas surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Islas Marietas) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Islas Marietas may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Islas Marietas is 40 km (25 miles) from Puerto Vallarta. If you plan a holiday in Nayarit, look for hotels and other accommodation in Puerto Vallarta. Puerto Vallarta has rooms for a wide range of budgets as well as car hire and transport links.

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