Islas Marietas Surf Break

Lat Long: 20.68° N 105.61° W

Islas Marietas Surf Forecast and Surf Report

Issued: 5 am 01 Oct 2026 (local time)

Forecast update in  hr  min

Today's Islas Marietas sea temperature is
31.1°C
1.9° 

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 1 Oct 2026:

  • Best quality surf: Thursday 1 Oct, 3PM (local time) - 11ft (3.5m), 12s period, SW swell with cross-onshore winds.
  • Most powerful swell: Thursday 1 Oct, 6PM (local time) - 13ft (4.0m), 13s period, SW swell with 4,873 kJ wave energy.
  • Next surfable swell (1★+): Thursday 1 Oct, 3PM (local time) - 11ft (3.5m), 12s 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 (Oct 01) at 3PM. The primary swell is predicted to be 3.5m and 12s period with a secondary swell of 0.9m and 16s. The wind is predicted to be cross-onshore as the swell arrives.

The most powerful waves expected at Islas Marietas in the next 16 days are 4.0m 13s and forecast to arrive on Thursday (Oct 01) at 6PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.5m 11s period and expected on Thursday (Oct 01) at 12PM.

Wave TypeTime (CST) & Date Wave Height & Period
Next good surf (1 star+) 3PM (Thu 1st Oct)11ft (3.5m) 12s
Best Surf 3PM (Thu 1st Oct)11ft (3.5m) 12s
Most Powerful 6PM (Thu 1st Oct)13ft (4.0m) 13s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Sat night. Warm (max 30°C on Fri afternoon, min 26°C on Thu night). Wind will be generally light.

Days 4-6 Weather Summary

Moderate rain (total 16mm), heaviest on Sun night. Warm (max 29°C on Sun afternoon, min 25°C on Sun night). Wind will be generally light.

Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
Tuesday
6
Wednesday
7
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
!
!
3
0
2
3
1
2
3
1
3
3
3
3
3
2
2
2
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.2
WNW
8
3.5
SW
12
3.5
SW
12
2.5
WSW
12
2.4
WSW
12
2.4
SW
12
2.5
WSW
12
2.2
SW
11
1.6
WSW
11
1.5
WSW
10
2
SW
11
1.8
SW
11
1.8
WSW
12
1.7
WSW
12
1.6
WSW
12
1.5
WSW
12
1.5
WSW
12
1.2
WSW
11
1.2
W
11
1.2
SW
17
1.1
W
11
Wave Graph
Metric surfscale
Energy kJ
7
3679
3563
1744
1560
1573
1751
1213
608
451
915
743
952
834
669
550
559
370
351
874
281
Wind (km/h)
20
SSE
5
SE
10
ESE
10
SSE
20
SSW
10
SE
10
ESE
20
SSW
15
SSE
5
SE
15
SW
10
SE
0
NE
10
NNW
15
N
15
NNE
25
NNW
25
N
20
N
25
NW
15
NNE
Wind State
on
cross-on
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
glassy
cross-on
cross-on
glassy
cross-off
off
off
cross-off
off
off
cross-off
off
High Tide
10:51AM1.42m
2:26AM0.82m
11:10AM1.31m
10:42AM1.17m
8:13AM1.14m
4:48PM1.09m
7:48AM1.20m
6:18PM1.20m
7:52AM1.28m
7:09PM1.31m
8:04AM1.35m
7:50PM1.38m
Low Tide
6:38PM0.38m
3:02AM0.82m
8:48PM0.48m
11:39PM0.42m
12:57PM0.99m
00:34AM0.33m
1:08PM0.82m
1:11AM0.27m
1:33PM0.65m
1:41AM0.26m
1:59PM0.49m
2:08AM0.29m
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
clear
thunderstorm
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rain showers
thunderstorm
part cloud
clear
part cloud
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:52
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6:52
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6:52
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6:54
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6:54
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6:54
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6:54
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<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
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6:50
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6:49
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6:47
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6:46
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6:46
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6:45
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6:45
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 mm
—
—
—
—
—
—
—
—
2
—
3
7
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—
—
—
1
5
2
9
7
Temp °C
29
29
28
29
30
29
29
30
28
28
29
26
28
29
29
29
29
29
29
29
29
Feels °C
30
33
31
30
31
31
32
32
30
31
32
30
33
33
32
32
31
31
32
31
33
  • 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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