Islas Marietas Surf Break

Lat Long: 20.68° N 105.61° W

Islas Marietas 48 hour detailed Surf Forecast

Issued: 5 am 21 Jul 2026 (local time)

Forecast update in  hr  min

Today's Islas Marietas sea temperature is
31.3° C
2.1° 

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 Jul):

  • Morning surf: Morning surf (21 Jul, local time) - 4ft (1.2m), 15s period with SW swell.
  • Afternoon surf: Afternoon surf (21 Jul, local time) - 3.5ft (1.1m), 14s period with SW swell.
  • Evening surf: Evening surf (21 Jul, local time) - 3.5ft (1.0m), 14s period with SW swell.

The current surf forecast for Islas Marietas at 11AM is: 1.2m 15s primary swell from a Southwest direction and 0.4m 8s secondary swell from a West-northwest direction (forecast issued at 05:00am July 21). The wind direction is predicted to be offshore and the swell rating is 3.

Time (CST) & DateWave HeightWave Period
Morning (21 Jul)4ft (1.2m)15s
Afternoon (21 Jul)3.5ft (1.1m)14s
Evening (21 Jul)3.5ft (1.0m)14s

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


Short Range Forecast

Some drizzle, heaviest during Wed night. Warm (max 30°C on Tue afternoon, min 26°C on Wed night). Wind will be generally light.

Tuesday
21
Wednesday
22
Thursday
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)
3
3
3
3
3
3
2
3
2
3
2
2
2
2
0
0
1
0
0
0
2
0
2
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)
1.2
SW
15
1.2
SW
15
1.2
SW
15
1.2
SW
15
1.1
SW
14
1.2
SW
14
1
SW
14
1
SW
14
1.1
SW
11
0.9
SW
14
0.9
SW
10
1.1
SW
12
0.9
SW
14
1
SW
11
1
SW
10
0.9
SW
10
0.9
SW
10
0.8
WSW
10
0.7
SW
10
0.8
WSW
9
0.5
SW
26
0.7
WSW
9
0.6
SW
13
Wave Graph
Metric surfscale
Energy kJ
684
666
657
631
521
564
368
373
309
268
163
337
284
220
204
145
137
117
94
106
329
70
138
Wind (km/h)
10
NNE
15
NE
15
NNE
15
N
25
NNW
20
NNW
20
N
10
NE
15
N
10
NNE
10
NNE
10
NNW
20
NNW
10
NW
15
S
10
S
5
SSW
5
S
5
SE
10
SW
15
WSW
15
WSW
5
SW
Wind State
cross-off
cross-off
off
off
off
off
off
cross-off
off
off
cross-off
off
cross-off
cross-off
on
on
cross-on
on
cross-on
cross-on
cross
cross-on
glassy
High Tide
2:38AM0.82m
2:27PM1.17m
3:34PM1.16m
4:54PM1.17m
Low Tide
6:06AM0.77m
11:45PM0.62m
00:47AM0.50m
part cloud
part cloud
clear
clear
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
clear
clear
clear
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:31
6:31
6:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:45
7:44
7:44
 mm
1
Temp °C
28
28
28
29
30
30
29
29
28
28
29
29
30
30
26
27
28
28
28
29
29
29
29
Feels °C
31
31
31
32
31
32
31
33
31
32
33
33
33
34
28
30
32
33
32
33
32
32
34
  • 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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