Surf Forecasts:
How big are the waves at Islas Marietas today (18 Aug):
- Afternoon surf: Afternoon surf (18 Aug, local time) - 0.5ft (0.2m), 6s period with WNW swell.
- Evening surf: Evening surf (18 Aug, local time) - 0.5ft (0.2m), 7s period with WNW swell.
The current surf forecast for Islas Marietas at 8PM is: 0.2m 7s primary swell from a West-northwest direction (forecast issued at 05:00pm August 18). An open ocean swell of 1.2m 16s is not directed at the surf break, a second open ocean swell of 0.4m 9s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | - | - |
| Afternoon (18 Aug) | 0.5ft (0.2m) | 6s |
| Evening (18 Aug) | 0.5ft (0.2m) | 7s |
Table - waves today at Islas Marietas. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 8mm), mostly falling on Thu night. Warm (max 30°C on Wed afternoon, min 28°C on Tue night). Wind will be generally light. | |||||||||||||||||||
Tue 18 | Wednesday 19 | Thursday 20 | |||||||||||||||||
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 | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | WNW 6 | WNW 7 | WNW 7 | WNW 8 | WNW 12 | WNW 7 | WNW 7 | WNW 12 | NW 12 | NW 12 | SW 21 | SW 21 | NW 3 | NW 3 | NW 3 | NW 12 | NW 12 | NW 9 | SSW 13 |
Wave Graph  | |||||||||||||||||||
 kJ | 4 | 5 | 5 | 6 | 28 | 5 | 5 | 14 | 37 | 36 | 67 | 67 | 4 | 2 | 3 | 35 | 35 | 21 | 0 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | glassy | off | cross-off | cross-off | cross | cross-off | off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off |
High Tide | 12:01PM1.26m | 00:54AM0.81m | 12:09PM1.21m | 12:00PM1.15m | |||||||||||||||
Low Tide | 7:11PM0.62m | 4:42AM0.74m | 10:43PM0.66m | ||||||||||||||||
 | |  |  |  | |  |  | | | | |  | | | | | | | |
 | — | — | — | — | — | 6:41 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — |
 | — | 7:29 | — | — | — | — | — | — | — | 7:29 | — | — | — | — | — | — | — | 7:28 | — |
mm | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 29 | 30 | 30 | 29 | 29 | 28 | 28 | 29 | 29 | 30 | 30 | 30 |
Feels °C | 33 | 34 | 34 | 34 | 33 | 33 | 32 | 33 | 33 | 35 | 33 | 33 | 31 | 31 | 32 | 33 | 34 | 34 | 35 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 |
| kJ | 576 | 624 | 657 | 666 | 657 | 499 | 455 | 443 | 437 | 431 | 357 | 357 | 352 | 342 | 294 | 232 | 229 | 225 | 222 |
Swell 2 Height (m) Direction Period (s) | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 10 | S 10 | S 10 | S 10 | NW 3 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 |
| kJ | 14 | 26 | 14 | 25 | 25 | 24 | 14 | 14 | 29 | 29 | 30 | 30 | 4 | 30 | 30 | 30 | 30 | 30 | 31 |
Swell 3 Height (m) Direction Period (s) | WNW 6 | WNW 7 | WNW 7 | WNW 8 | WNW 12 | WNW 7 | WNW 7 | WNW 12 | W 8 | W 8 | SW 21 | SW 21 | S 10 | NW 3 | NW 3 | NW 12 | SSW 18 | SW 19 | SW 19 |
| kJ | 4 | 5 | 5 | 6 | 28 | 5 | 5 | 14 | 1 | 1 | 67 | 67 | 30 | 2 | 3 | 35 | 31 | 90 | 94 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | NW 12 | NW 12 | NW 12 | NW 3 | NW 3 | — | NW 4 | NW 8 | NW 12 | NW 9 | — |
| kJ | — | — | — | — | — | — | — | — | 37 | 36 | 35 | 3 | 3 | — | 2 | 24 | 35 | 21 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 11 | 11 | 14 | 11 | 11 | 11 | 11 | 11 | 11 | 14 | 0 | 14 | 11 | 11 | 11 | 11 | 11 | 11 | 14 |
Best forecast wave conditions in Nayarit | |||||||||||||||||||
Best forecast wave conditions in Mexico | |||||||||||||||||||
Header Global | |||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Islas Marietas surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest