Islas Marietas surfForecast / Nayarit / Mexico

information circle12 Day Weather and Surf, issued 11 am Wednesday 07 Jan 2026 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
26.6° C
(Which is 1.7°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 Thursday (Jan 08) at 3AM. The primary swell is predicted to be 0.5m and 14s period with a secondary swell of 0.6m and 6s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Islas Marietas in the next 12 days are 0.6m 16s and forecast to arrive on Wednesday (Jan 14) at 9AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 14s period and expected on Wednesday (Jan 07) at 9PM.

Wave TypeTime (CST) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Thu 8th Jan)1.5ft (0.5m) 14s
Best Surf 3AM (Thu 8th Jan)1.5ft (0.5m) 14s
Most Powerful 9AM (Wed 14th Jan)2ft (0.6m) 16s

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 24°C on Wed afternoon, min 21°C on Fri morning). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 24°C on Sun afternoon, min 21°C on Sat morning). Wind will be generally light.

Wednesday
07
Thursday
08
Friday
09
Saturday
10
Sunday
11
Monday
12
Tuesday
13
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
0
0
0
0
0
1
0
1
1
0
1
1
1
1
1
0
0
0
1
1
Swell
Height Map
Wave Height (m) & direction (?)
0.4
WNW
0.5
NW
0.6
NW
0.7
NW
0.5
WNW
0.7
WNW
0.7
WNW
0.6
WNW
0.8
NW
0.9
NW
1
NW
1.1
NW
0.9
NW
0.9
NW
0.7
NW
0.6
NW
0.6
NW
0.5
NW
0.5
NW
0.2
WNW
0.4
NW
Period(s) (?)106667666667888777762018
Wave
Graph
(?)Metric surfscale
Energy kJ (?)32162631283637323856102125969652443323183781
Wind
(km/h)
15
NE
10
NW
15
NNE
10
N
15
NNW
15
NNE
10
NE
20
NNW
15
NNE
15
NNE
15
NNW
10
NNE
5
NE
10
W
10
NE
10
NNE
20
NNW
10
NE
15
NE
20
NNW
10
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
offcross-
off
offcross-
off
offoffcross-
off
cross-
off
cross-
off
glasscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offcross-
off
High Tide
/ height (m)
11:17AM
1.25
1:02AM
1.14
11:53AM
1.08
1:38AM
1.13
12:38PM
0.92
2:21AM
1.13
3:24PM
0.79
3:20AM
1.13
4:31AM
1.15
9:33PM
0.99
5:34AM
1.19
9:06PM
1.04
Low Tide
/ height (m)
6:09PM
0.40
6:24AM
0.81
6:26PM
0.55
7:45AM
0.82
6:31PM
0.68
11:21AM
0.76
5:48PM
0.78
12:38PM
0.62
1:11PM
0.49
11:57PM
0.98
1:38PM
0.37
12:59AM
0.95
Wednesday
07
Thursday
08
Friday
09
Saturday
10
Sunday
11
Monday
12
Tuesday
13
Sunrise7:39--7:39--7:39--7:39--7:41--7:41--7:41--
Sunset-6:36--6:37--6:37--6:37--6:38--6:39--6:39-
clear
clear
clear
part cloud
part cloud
clear
clear
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
part cloud
part cloud
Rain (mm)
---------------------
Temp. °C232424232423232323232322232423242423242423
Feels °C (?)252524242423232223232322262625252423252324
  • 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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