Surf Forecasts:
How big are the waves at Islas Marietas today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 2.5ft (0.8m), 20s period with SW swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 2.5ft (0.8m), 19s period with SW swell.
- Evening surf: Evening surf (18 Sep, local time) - 2.5ft (0.8m), 19s period with SW swell.
The current surf forecast for Islas Marietas at 7AM is: 0.8m 20s primary swell from a Southwest direction (forecast issued at 11:00pm September 17). An open ocean swell of 1.0m 13s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 2.5ft (0.8m) | 20s |
| Afternoon (18 Sep) | 2.5ft (0.8m) | 19s |
| Evening (18 Sep) | 2.5ft (0.8m) | 19s |
Table - waves today at Islas Marietas. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 12mm), heaviest on Sat night. Warm (max 30°C on Thu night, min 27°C on Fri night). Winds increasing (light winds from the NNE on Thu night, fresh winds from the SSW by Fri afternoon). | |||||||||||||||||
Friday 18 | Saturday 19 | ||||||||||||||||
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) | SW 21 | SW 20 | SW 20 | SW 20 | SW 20 | SW 19 | SW 19 | SW 19 | SW 19 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 |
Wave Graph  | |||||||||||||||||
 kJ | 344 | 464 | 455 | 455 | 455 | 546 | 450 | 450 | 441 | 497 | 470 | 528 | 522 | 522 | 522 | 614 | 614 |
Wind (km/h) | |||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | cross-off | cross-off | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 10:37AM1.20m | 10:01AM1.14m | |||||||||||||||
Low Tide | 00:41AM0.58m | ||||||||||||||||
 |  | |  |  |  | | |  | | | | | | | | | |
 | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — |
 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:00 | — |
mm | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | — | — | — | — | — |
Temp °C | 30 | 30 | 29 | 28 | 29 | 30 | 30 | 29 | 28 | 28 | 27 | 27 | 27 | 28 | 29 | 29 | 29 |
Feels °C | 35 | 35 | 35 | 32 | 33 | 33 | 30 | 28 | 30 | 32 | 29 | 30 | 30 | 31 | 30 | 32 | 33 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SW 13 | SW 13 | SW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SW 18 | SW 18 | SW 18 | SW 18 |
| kJ | 379 | 368 | 331 | 331 | 331 | 394 | 394 | 388 | 261 | 261 | 307 | 292 | 371 | 522 | 522 | 614 | 614 |
Swell 2 Height (m) Direction Period (s) | SW 21 | SW 20 | SW 20 | SW 20 | SW 20 | SW 19 | SW 19 | SW 19 | SW 19 | SW 18 | SW 18 | SW 18 | SW 18 | SSW 12 | SSW 12 | SSW 12 | SSW 12 |
| kJ | 344 | 464 | 455 | 455 | 455 | 546 | 450 | 450 | 441 | 497 | 470 | 528 | 522 | 233 | 263 | 213 | 213 |
Swell 3 Height (m) Direction Period (s) | S 10 | S 9 | SW 20 | NNW 4 | NW 4 | NW 13 | NW 13 | SW 24 | W 4 | S 8 | WNW 4 | WNW 4 | SSW 21 | SW 4 | WNW 4 | WNW 4 | WNW 4 |
| kJ | 16 | 14 | 134 | 11 | 8 | 7 | 7 | 22 | 3 | 18 | 4 | 4 | 45 | 15 | 15 | 11 | 11 |
Wind waves Height (m) Direction Period (s) | NW 4 | NNW 4 | NNW 4 | — | — | — | WNW 4 | WNW 4 | SW 8 | — | — | — | — | WSW 6 | — | — | — |
| kJ | 6 | 10 | 11 | — | — | — | 7 | 6 | 35 | — | — | — | — | 10 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 15 | 29 | 29 | 29 | 15 | 19 | 18 | 11 | 15 | 29 | 15 | 15 |
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