Islas Marietas surfForecast / Nayarit / Mexico

information circle48hr Weather and Surf, issued 11 pm Sunday 17 May 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
28.3° C
(Which is 2.1°C warmer than normal for this time of year)

How big are the waves at Islas Marietas today?

The current surf forecast for Islas Marietas at 3AM is: 0.6m 7s primary swell from a West-northwest direction (forecast issued at 11:00pm May 17). An open ocean swell of 0.9m 14s is not directed at the surf break. The wind direction is predicted to be glassy.

Time (CST) & DateWave HeightWave Period
Morning (18 May)1ft (0.3m)18s
Afternoon (18 May)1.5ft (0.5m)6s
Evening (18 May)1.5ft (0.4m)17s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 28°C on Wed afternoon, min 25°C on Mon night). Wind will be generally light.

Monday
18
Tuesday
19
Wednesday
20
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
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
Rating
(10 max)
0
0
0
0
1
1
0
1
1
1
1
1
1
1
0
1
2
1
1
0
2
2
2
1
Swell
Height Map
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.6
WNW
7
0.6
WNW
7
0.6
WNW
7
0.6
WNW
6
0.3
SW
18
0.3
SW
18
0.5
WNW
6
0.4
SW
17
0.4
SW
17
0.5
SW
17
0.4
SW
17
0.4
SW
17
0.4
SW
17
0.5
SW
16
0.5
SW
16
0.5
SW
16
0.5
SW
21
0.5
SW
16
0.6
SW
16
0.4
WNW
6
0.6
SW
16
0.6
SW
16
0.6
SW
16
0.6
SW
15
Wave Graph
Metric surfscale
Energy kJ
35
35
34
33
50
49
22
107
104
143
107
106
101
132
129
127
224
125
159
14
203
203
201
143
Wind (km/h)
0
WSW
5
ENE
0
SE
0
E
5
NW
10
WNW
10
WNW
10
NW
10
N
10
NNE
15
NE
10
NE
5
N
15
NW
15
NW
15
NNW
10
NNE
10
NNE
10
NNE
10
NNE
10
N
10
NW
15
NW
10
NW
glassy
glassy
glassy
glassy
glassy
cross-off
cross-off
cross-off
off
off
cross-off
cross-off
off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
High Tide
9:15PM1.64m
11:20AM1.14m
9:50PM1.58m
12:19PM1.05m
10:27PM1.47m
1:41PM0.99m
Low Tide
4:32AM-0.05m
3:48PM0.80m
5:19AM0.05m
4:17PM0.87m
6:11AM0.19m
4:45PM0.93m
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:24
6:22
6:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:32
7:34
7:34
Temp °C
26
26
26
26
26
27
27
27
26
26
26
25
26
27
27
27
27
26
26
26
27
27
28
28
31
31
31
31
31
31
30
30
29
28
28
28
29
29
28
28
29
28
28
28
29
28
29
29
Swell 1
Height (m)
Direction
Period (s)
0.8
SSW
14
0.8
SSW
13
0.9
SSW
14
0.9
SSW
14
0.9
SSW
13
1
SSW
13
1
SSW
13
1
SSW
13
0.9
SSW
13
0.9
SSW
13
0.9
SSW
13
0.9
SSW
13
0.9
SSW
13
0.9
SSW
12
0.9
SSW
12
0.7
SSW
12
0.8
SSW
12
0.7
SSW
12
0.7
SSW
12
0.7
SSW
12
0.8
SSW
14
0.8
SSW
14
0.8
SSW
14
0.8
SSW
13
Energy kJ
280
181
356
322
312
378
378
372
307
303
298
294
285
224
220
157
198
150
152
152
276
269
254
236
Swell 2
Height (m)
Direction
Period (s)
0.8
SSW
12
0.7
SSW
15
0.6
WNW
7
0.6
WNW
6
0.6
WNW
6
0.5
WNW
6
0.5
WNW
6
0.5
WNW
6
0.5
WNW
6
0.5
WNW
6
0.5
WNW
6
0.5
WNW
6
0.4
WNW
6
0.5
SW
16
0.5
SW
16
0.5
SW
16
0.5
SW
21
0.5
SSW
15
0.6
SW
16
0.7
SW
16
0.6
SW
16
0.6
SW
16
0.6
SW
16
0.6
SSW
19
Energy kJ
164
222
34
33
31
22
22
21
20
20
20
20
13
132
129
127
224
131
159
258
203
203
201
251
Swell 3
Height (m)
Direction
Period (s)
0.6
WNW
7
0.6
WNW
7
0.4
SSW
12
0.2
SSW
18
0.3
SW
18
0.3
SW
18
0.4
SW
18
0.4
SW
17
0.4
SW
17
0.5
SW
17
0.4
SW
17
0.4
SW
17
0.4
SW
17
0.4
WNW
6
0.4
WNW
6
0.4
WNW
6
0.5
SW
16
0.5
SW
16
0.5
SSW
15
0.4
WNW
6
0.4
WNW
6
0.4
WNW
6
0.2
WNW
12
0.6
SW
15
Energy kJ
35
35
56
32
50
49
79
107
104
143
107
106
101
13
14
13
127
125
133
14
14
13
15
143
Wind waves
Height (m)
Direction
Period (s)
0.4
WNW
6
Energy kJ
13
Nearest Offshore or Glassy
Rating
(10 max)
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
2
2
Distance (km)
500
15
11
11
11
11
0
0
14
0
0
0
0
0
0
0
0
0
0
0
0
11
0
0
Best forecast wave conditions in Nayarit
Rating
(10 max)
1
2
2
2
1
1
1
1
1
2
1
1
1
1
1
1
1
2
2
2
2
2
2
Best forecast wave conditions in Mexico
Rating
(10 max)
2
2
2
3
3
2
2
2
2
2
3
2
2
2
2
2
2
2
3
3
3
3
3
2
Header Global
Rating
(10 max)
4
4
4
7
5
4
5
5
5
4
4
4
4
4
4
4
4
4
5
4
4
5
5
5
  • 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

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