Islas Marietas surfForecast / Nayarit / Mexico

information circle12 Day Weather and Surf, issued 11 am Friday 12 Dec 2025 CST
Forecast update in hr  min  s Forecast update imminent
Islas Marietas surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Islas Marietas sea temperature is
27.2° C
(Which is 1.1°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Islas Marietas this week:

The surf forecast for Islas Marietas over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Dec 13) at 12PM. The primary swell is predicted to be 0.3m and 16s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Islas Marietas in the next 12 days are 0.6m 15s and forecast to arrive on Tuesday (Dec 16) at 3PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 12s period and expected on Friday (Dec 12) at 6PM.

Wave TypeTime (CST) & Date Wave Height & Period
Next good surf (1 star+)12PM (Sat 13th Dec)1ft (0.3m) 16s
Best Surf12PM (Sat 13th Dec)1ft (0.3m) 16s
Most Powerful 3PM (Tue 16th Dec)2ft (0.6m) 15s

Table - best surf conditions forecast for Islas Marietas over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 25°C on Fri morning, min 23°C on Fri night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 25°C on Mon afternoon, min 21°C on Wed night). Wind will be generally light.

Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
1
1
1
1
1
0
0
0
0
1
1
1
0
0
0
1
Swell
Height Map
Wave Height (m) & direction (?)
0.4
NW
0.2
WNW
0.2
WNW
0.3
SW
0.3
SW
0.4
WNW
0.4
WNW
0.4
WNW
0.4
WNW
0.4
NW
0.5
SW
0.4
NW
0.3
SW
0.6
SW
0.5
SW
0.5
SW
0.5
SW
0.2
WNW
0.4
NW
0.5
SW
0.5
SW
Period(s) (?)5111516161616151413161312151513131151212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)10112241419995848162127432417110488871277472
Wind
(km/h)
10
NNE
15
NNW
10
NE
15
NNE
15
NW
15
NNE
10
NNE
15
NNW
10
NE
10
E
10
WSW
5
ENE
10
NE
15
NNW
10
NNE
10
ENE
10
NW
5
N
10
NE
10
W
10
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscross-
off
cross-
off
cross-
off
offcross-
off
cross-
off
offcross-
off
crosscross-
off
High Tide
/ height (m)
5:39PM
0.89
5:35AM
1.19
7:03PM
0.96
6:00AM
1.25
7:46PM
1.04
6:25AM
1.31
8:18PM
1.09
6:51AM
1.36
8:46PM
1.13
7:18AM
1.40
9:14PM
1.15
7:46AM
1.44
9:42PM
1.15
Low Tide
/ height (m)
12:28PM
0.72
10:59PM
0.75
12:54PM
0.57
11:55PM
0.79
1:18PM
0.44
12:35AM
0.81
1:42PM
0.32
1:06AM
0.82
2:06PM
0.22
1:34AM
0.82
2:31PM
0.15
1:59AM
0.81
2:58PM
0.10
2:23AM
0.80
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Sunrise7:28--7:28--7:30--7:30--7:31--7:31--7:31--
Sunset-6:22--6:22--6:22--6:23--6:23--6:23--6:24-
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
---------------------
Temp. °C252524242524242524242524252524242423232423
Feels °C (?)272625252625252625262727272626252525252524
  • 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 12 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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