Islas Marietas surfForecast / Nayarit / Mexico

information circle48hr Weather and Surf, issued 5 pm Monday 18 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 11PM is: 0.5m 17s primary swell from a Southwest direction and 0.5m 6s secondary swell from a West-northwest direction (forecast issued at 05:00pm May 18). An open ocean swell of 0.9m 13s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (CST) & DateWave HeightWave Period
Morning (18 May)--
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.

Mon
18
Tuesday
19
Wednesday
20
Thu
21
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
12 AM
3 AM
6 AM
9 AM
12 PM
Rating
(10 max)
0
1
1
1
1
1
1
1
0
1
2
1
1
0
2
2
2
1
1
2
2
1
2
2
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
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
0.6
SW
15
0.6
SW
19
0.5
SW
19
0.6
SW
15
0.8
SW
15
0.9
SW
15
Wave Graph
Metric surfscale
Energy kJ
22
107
104
143
107
106
101
132
129
127
224
125
159
13
203
203
201
145
139
303
184
176
258
309
Wind (km/h)
10
W
10
WNW
10
NNE
10
NNE
15
NNE
10
NE
5
N
10
NNW
15
NW
10
NNW
10
NNE
10
NNE
10
NE
10
NNE
10
NNE
15
NNW
15
NW
15
NW
10
N
10
NNE
10
NNE
5
NNE
5
N
15
NW
cross
cross-off
off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
cross-off
cross-off
cross-off
off
cross-off
cross-off
glassy
off
cross-off
High Tide
9:50PM1.58m
12:19PM1.05m
10:27PM1.47m
1:41PM0.99m
11:04PM1.32m
Low Tide
3:48PM0.80m
5:19AM0.05m
4:17PM0.87m
6:11AM0.19m
4:45PM0.93m
7:14AM0.34m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
clear
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:22
6:22
6:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:32
7:34
7:34
7:34
Temp °C
27
27
26
26
26
25
26
27
27
27
26
26
26
26
26
27
27
28
27
26
26
26
27
27
30
30
29
29
29
28
30
30
28
29
28
29
28
28
28
28
28
29
28
28
28
29
30
28
Swell 1
Height (m)
Direction
Period (s)
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
0.8
SSW
13
0.8
SSW
13
0.8
SSW
13
0.7
SSW
13
0.8
SW
15
0.9
SW
15
Energy kJ
378
372
307
303
298
294
285
224
220
157
198
150
152
152
276
269
254
236
232
229
229
173
258
309
Swell 2
Height (m)
Direction
Period (s)
0.5
WNW
6
0.5
WNW
6
0.5
WNW
6
0.5
WNW
6
0.5
WNW
6
0.4
WNW
6
0.4
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
0.7
SW
19
0.6
SW
19
0.6
SW
15
0.6
SW
15
0.7
SSW
12
0.6
S
12
Energy kJ
22
21
20
20
20
13
13
132
129
127
224
131
159
258
203
203
201
251
384
303
176
176
147
98
Swell 3
Height (m)
Direction
Period (s)
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
0.2
WNW
10
0.4
WNW
6
0.5
S
16
0.5
SW
16
0.5
SSW
15
0.4
WNW
6
0.4
WNW
6
0.4
WNW
6
0.4
WNW
6
0.6
SW
15
0.6
SW
15
0.6
SW
15
0.5
SW
19
0.4
WNW
6
0.4
WNW
6
0.4
WNW
6
Energy kJ
79
107
104
143
107
106
101
13
9
13
124
125
133
13
14
13
13
145
139
176
184
12
12
12
Wind waves
Height (m)
Direction
Period (s)
0.4
WNW
6
Energy kJ
14
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
2
1
2
1
1
1
2
2
2
1
1
2
2
1
2
2
Distance (km)
14
0
0
0
0
0
0
0
501
0
0
0
0
11
0
0
0
0
0
0
0
0
0
0
Best forecast wave conditions in Nayarit
Rating
(10 max)
1
1
2
1
1
1
1
1
1
2
2
2
2
2
2
2
1
2
2
2
2
2
2
Best forecast wave conditions in Mexico
Rating
(10 max)
2
2
3
3
3
2
2
2
2
2
3
3
3
3
3
2
2
3
3
3
3
3
3
2
Header Global
Rating
(10 max)
4
4
4
4
4
4
4
4
5
5
5
5
4
5
4
5
5
4
4
5
4
4
4
4
  • 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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