Islas Marietas Surf Break

Lat Long: 20.68° N 105.61° W

Islas Marietas 48 hour detailed Surf Forecast

Issued: 5 am 21 Oct 2026 (local time)

Forecast update in  hr  min

Today's Islas Marietas sea temperature is
30.6°C
1.6° 

Islas Marietas surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Islas Marietas today (21 Oct):

  • Morning surf: Morning surf (21 Oct, local time) - 0.5ft (0.2m), 5s period with WNW swell.
  • Afternoon surf: Afternoon surf (21 Oct, local time) - 0.5ft (0.2m), 12s period with WNW swell.
  • Evening surf: Evening surf (21 Oct, local time) - 1.5ft (0.4m), 16s period with NW swell.

The current surf forecast for Islas Marietas at 11AM is: 0.2m 5s primary swell from a West-northwest direction (forecast issued at 05:00am October 21). An open ocean swell of 1.3m 14s is not directed at the surf break, a second open ocean swell of 0.8m 19s is not directed at the surf break. The wind direction is predicted to be glassy.

Time (CST) & DateWave HeightWave Period
Morning (21 Oct)0.5ft (0.2m)5s
Afternoon (21 Oct)0.5ft (0.2m)12s
Evening (21 Oct)1.5ft (0.4m)16s

Table - waves today at Islas Marietas. (Swell directed towards the surf break)


Short Range Forecast

Light rain (total 6mm), mostly falling on Fri afternoon. Warm (max 29°C on Wed afternoon, min 27°C on Wed morning). Wind will be generally light.

Wednesday
21
Thursday
22
Friday
23
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.3
WSW
5
0.2
WNW
5
0.2
WNW
5
0.2
WNW
5
0.2
WNW
12
0.2
WNW
12
0.4
NW
16
0.2
WNW
11
0.2
WNW
11
0.2
WNW
11
0.2
WNW
5
0.2
WNW
12
0.2
WNW
15
0.2
WNW
15
0.2
WNW
15
0.2
WNW
15
0.2
WNW
15
0.4
NW
5
0.3
WNW
4
0.3
WNW
5
0.2
WNW
13
0.2
WNW
13
0.3
WNW
5
Wave Graph
Metric surfscale
Energy kJ
4
2
2
2
14
14
65
13
13
13
2
13
21
21
21
21
21
8
4
4
17
17
4
Wind (km/h)
5
ESE
5
ENE
5
SE
5
W
15
NW
10
NNW
10
N
10
NNE
10
NE
10
NE
10
NNE
5
NNW
10
NNW
10
NNW
10
N
10
ENE
10
E
10
E
5
ESE
5
WSW
10
WSW
10
WSW
5
SSW
Wind State
glassy
glassy
glassy
glassy
cross-off
off
off
off
cross-off
cross-off
cross-off
off
cross-off
cross-off
off
cross-off
cross
cross
cross-on
cross-on
cross-on
cross
on
High Tide
7:22AM1.22m
6:52PM1.19m
7:28AM1.31m
7:29PM1.29m
7:41AM1.40m
8:05PM1.36m
Low Tide
00:48AM0.45m
1:18PM0.66m
1:10AM0.42m
1:34PM0.49m
1:33AM0.41m
1:58PM0.32m
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
6:58
—
—
—
—
—
—
—
7:00
—
—
—
—
—
—
—
7:00
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
6:34
—
—
—
—
—
—
—
6:32
—
—
—
—
—
—
—
6:31
—
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
2
2
Temp °C
27
27
27
28
29
28
28
28
28
27
28
28
29
29
28
28
27
27
28
29
29
29
28
Feels °C
32
32
32
33
32
32
32
32
33
31
33
33
33
33
33
33
31
31
32
34
33
34
32
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
How to use the Wavefinder 

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