Islas Marietas Surf Break

Islas Marietas Surf Forecast and Surf Report

Lat Long: 20.68° N 105.61° W

Issued: 11 am 05 Jul 2026 (local time)

Forecast update in  hr  min

Today's Islas Marietas sea temperature is
31.4° C

2.9°C warmer than normal for this time of year

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 5 Jul 2026:

  • Best quality surf: Saturday 11 Jul, 12AM (local time) - 2.5ft (0.8m), 6s period, S swell with glassy winds.
  • Most powerful swell: Sunday 12 Jul, 6PM (local time) - 1ft (0.3m), 21s period, SW swell with 71 kJ wave energy.
  • Next surfable swell (1★+): Saturday 11 Jul, 12AM (local time) - 2.5ft (0.8m), 6s period with S 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 Saturday (Jul 11) at 12AM. The primary swell is predicted to be 0.8m and 6s period with a secondary swell of 0.2m and 11s. 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 0.3m 21s and forecast to arrive on Sunday (Jul 12) at 6PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 18s period and expected on Tuesday (Jul 07) at 12PM.

Wave TypeTime (CST) & Date Wave Height & Period
Next good surf (1 star+)12AM (Sat 11th Jul)2.5ft (0.8m) 6s
Best Surf12AM (Sat 11th Jul)2.5ft (0.8m) 6s
Most Powerful 6PM (Sun 12th Jul)1ft (0.3m) 21s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 29°C on Sun afternoon, min 27°C on Sun night). Wind will be generally light.

Days 4-6 Weather Summary

Heavy rain (total 52mm), heaviest during Wed night. Warm (max 29°C on Wed afternoon, min 26°C on Wed night). Wind will be generally light.

Sunday
5
Monday
6
Tuesday
7
Wednesday
8
Thursday
9
Friday
10
Saturday
11
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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)
0.3
WNW
5
0.2
WSW
8
0.4
W
7
0.3
W
7
0.3
W
7
0.3
WNW
7
0.1
NW
14
0.2
WNW
13
0.3
WNW
6
0.2
WNW
13
0.2
WNW
13
0.2
WNW
13
0.3
NW
8
0.2
WNW
8
0.6
S
4
0.2
WNW
8
1.2
SSW
15
0.8
S
6
1.1
SSW
14
0.1
SW
22
0.1
SW
24
Wave Graph
Metric surfscale
Energy kJ
6
6
17
9
8
10
7
18
8
16
16
16
10
6
12
6
0
41
0
18
22
Wind (km/h)
0
SSW
10
W
5
N
5
NNE
15
NW
5
SSW
5
ENE
15
W
5
SE
10
SE
5
SW
5
SSW
15
S
15
SSE
10
SSE
15
NE
10
SSW
5
SSW
10
ENE
15
NNW
15
NNE
Wind State
glassy
cross
glassy
glassy
cross-off
glassy
glassy
cross
glassy
cross-on
glassy
on
on
on
on
cross-off
on
glassy
cross-off
cross-off
off
High Tide
1:06PM1.15m
00:08AM1.09m
1:47PM1.18m
1:34AM0.95m
2:40PM1.21m
4:13AM0.88m
3:43PM1.26m
6:43AM0.95m
4:49PM1.33m
7:55AM1.05m
5:51PM1.41m
8:40AM1.13m
6:48PM1.50m
Low Tide
6:39PM0.77m
6:44AM0.53m
8:07PM0.74m
7:22AM0.66m
10:07PM0.64m
8:18AM0.79m
11:41PM0.46m
10:05AM0.89m
00:43AM0.28m
11:51AM0.92m
1:34AM0.11m
12:59PM0.90m
2:20AM-0.02m
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
thunderstorm
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:26
6:26
6:26
6:26
6:26
6:28
6:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:46
7:46
7:46
7:46
7:46
7:46
7:46
 mm
22
12
1
7
8
2
Temp °C
28
29
28
29
29
29
29
29
29
28
29
28
26
27
27
27
27
27
28
29
29
Feels °C
33
32
32
33
31
33
33
31
33
32
30
29
28
29
29
29
30
31
31
31
32
Swell 1
Height (m)
Direction
Period (s)
1.3
SSW
17
1.3
SSW
16
1.3
SSW
16
1.3
SSW
16
1.2
SSW
15
1.2
SSW
18
1.3
SSW
18
1.7
SSW
18
1.6
SSW
17
1.6
SSW
16
1.6
SSW
16
1.6
SSW
16
1.4
SSW
16
1.3
SSW
15
1.3
SSW
15
1.2
SSW
15
1.2
SSW
15
1.2
SSW
15
1.1
SSW
14
1.2
SSW
15
1.3
SSW
16
Energy kJ
921
915
788
759
616
913
1118
1775
1421
1308
1245
1214
991
805
763
610
627
670
515
610
806
Swell 2
Height (m)
Direction
Period (s)
0.3
WNW
5
0.4
SW
22
0.6
SSW
21
0.8
SSW
20
1
SSW
20
1
SSW
15
0.9
SSW
14
0.2
WNW
13
0.3
WNW
6
0.2
WNW
13
0.2
WNW
13
0.2
WNW
13
0.3
NW
8
0.2
WNW
8
0.2
WNW
8
0.6
S
6
0.5
S
7
0.2
WNW
11
0.8
S
8
0.6
S
7
0.4
S
6
Energy kJ
6
126
305
490
790
443
357
18
8
16
16
16
10
6
6
29
24
11
72
38
13
Swell 3
Height (m)
Direction
Period (s)
0.4
SW
24
0.2
WSW
8
0.4
W
7
0.3
W
7
0.2
S
9
0.3
WNW
7
0.1
NW
14
0.1
NW
14
0.1
NW
13
0.1
NW
13
0.1
NW
13
0.1
NW
13
0.1
NW
12
0.1
NW
12
0.1
NW
12
0.2
WNW
8
0.3
SSW
20
0.2
S
11
0.5
S
18
0.1
SW
22
0.1
SW
24
Energy kJ
141
6
17
9
6
10
7
7
7
7
6
7
6
6
6
6
75
10
160
18
22
Wind waves
Height (m)
Direction
Period (s)
0.3
WNW
5
0.3
W
7
0.3
NW
7
0.6
S
4
0.8
S
6
0.4
NE
3
0.4
NNW
3
0.2
NNW
11
Energy kJ
5
8
8
12
41
2
4
11
Nearest Offshore or Glassy
Rating
(10 max)
1
1
2
2
4
4
2
2
2
2
1
2
2
1
1
1
1
1
1
1
2
Distance (km)
11
14
11
11
623
29
11
14
19
19
15
11
11
11
19
11
11
11
11
14
14
Best forecast wave conditions in Nayarit
Rating
(10 max)
3
1
3
3
3
3
2
3
3
1
3
2
2
2
1
2
2
2
1
2
Best forecast wave conditions in Mexico
Rating
(10 max)
4
3
4
4
4
4
4
4
4
4
3
4
4
3
3
3
3
4
3
3
3
Header Global
Rating
(10 max)
7
6
5
8
7
5
5
9
8
9
6
7
8
8
6
9
6
4
9
7
7
  • 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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