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Surf Forecasts:
Islas Marietas surfForecast / Nayarit / Mexico
48hr Weather and Surf, issued 5 am Monday 18 May 2026 CSTForecast 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 9AM is: 0.3m 18s primary swell from a Southwest direction and 0.6m 6s secondary swell from a West-northwest direction (forecast issued at 05:00am May 18). An open ocean swell of 0.9m 13s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (CST) & Date | Wave Height | Wave 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 ForecastMostly 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 | Thu 21 | |||||||||||||||||||||
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 | 12 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WNW 7 | WNW 6 | SW 18 | SW 18 | WNW 6 | SW 17 | SW 17 | SW 17 | SW 17 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 21 | SW 16 | SW 16 | WNW 6 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 19 | |
34 | 33 | 50 | 49 | 22 | 107 | 104 | 143 | 107 | 106 | 101 | 132 | 129 | 127 | 224 | 125 | 159 | 14 | 203 | 203 | 201 | 143 | 139 | 303 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | glassy | cross | cross-off | cross-off | off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | off | cross-off | cross-off | cross-off | off | cross-off | |
High Tide | 11:20AM1.14m | 9:50PM1.58m | 12:19PM1.05m | 10:27PM1.47m | 1:41PM0.99m | 11:04PM1.32m | ||||||||||||||||||
Low Tide | 4:32AM-0.05m | 3:48PM0.80m | 5:19AM0.05m | 4:17PM0.87m | 6:11AM0.19m | 4:45PM0.93m | ||||||||||||||||||
 |  |  |  | | | | | | | | | | | | | | | | | | | | | |
 | — | 6:24 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | 6:22 |
 | — | — | — | — | — | 7:32 | — | — | — | — | — | — | — | 7:34 | — | — | — | — | — | — | — | 7:34 | — | 7:34 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 26 | 26 | 25 | 26 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 27 | 27 | 28 | 28 | 27 | 26 |
31 | 31 | 31 | 31 | 30 | 30 | 30 | 28 | 28 | 28 | 29 | 29 | 28 | 29 | 30 | 28 | 28 | 28 | 30 | 28 | 29 | 29 | 29 | 27 | |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 |
 kJ | 356 | 322 | 312 | 378 | 378 | 372 | 307 | 303 | 298 | 294 | 285 | 224 | 220 | 157 | 198 | 150 | 152 | 152 | 276 | 269 | 254 | 232 | 232 | 176 |
Swell 2 Height (m) Direction Period (s) | WNW 7 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | SW 16 | SW 16 | SW 16 | WNW 6 | SSW 15 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SSW 19 | SW 19 | SW 19 |
| kJ | 34 | 33 | 31 | 22 | 22 | 21 | 20 | 20 | 20 | 13 | 13 | 132 | 129 | 127 | 18 | 131 | 159 | 258 | 203 | 203 | 201 | 251 | 384 | 303 |
Swell 3 Height (m) Direction Period (s) | SSW 12 | SSW 18 | SW 18 | SW 18 | SW 18 | SW 17 | SW 17 | SW 17 | SW 17 | SW 17 | SW 17 | WNW 6 | WNW 6 | WNW 6 | SW 21 | SW 16 | SSW 15 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | SW 15 | SW 15 | SW 15 |
| kJ | 56 | 32 | 50 | 49 | 79 | 107 | 104 | 143 | 107 | 106 | 101 | 13 | 14 | 13 | 224 | 125 | 133 | 14 | 14 | 13 | 13 | 143 | 139 | 176 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 11 | 11 | 0 | 14 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Nayarit | ||||||||||||||||||||||||
Best forecast wave conditions in Mexico | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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