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Grand Marias Surf Forecast
/ Lake Superior (10 breaks) / Michigan (11 breaks) /
Surf Forecasts:
Grand Marias surfForecast / Lake Superior / USA
48hr Weather and Surf, issued 1 pm Wednesday 06 May 2026 EDTForecast update in hr min s Forecast update imminent
Grand Marias surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Grand Marias sea temperature is
2.6° C
(Which is normal for this time of year)How big are the waves at Grand Marias today?
The current surf forecast for Grand Marias at 7PM is: 0.9m 5s primary swell from a West-northwest direction (forecast issued at 01:00pm May 06). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 May) | 3ft (0.9m) | 5s |
| Afternoon (06 May) | 3ft (0.9m) | 5s |
| Evening (06 May) | 3ft (0.9m) | 5s |
Table - waves today at Grand Marias. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Mild temperatures (max 9°C on Fri afternoon, min 2°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 6 | Thursday 7 | Friday 8 | Sat 9 | |||||||||||||||||||||
11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WNW 5 | WNW 5 | WNW 5 | WNW 5 | WNW 5 | W 5 | WNW 5 | WNW 6 | WNW 5 | WSW 4 | WSW 4 | W 4 | WSW 3 | SW 2 | SW 3 | SSW 4 | SW 4 | SW 4 | SW 4 | WSW 4 | SSW 3 | S 4 | SSW 4 | SW 5 | |
42 | 51 | 48 | 39 | 27 | 24 | 6 | 6 | 3 | 0 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | glassy | glassy | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | off | off | off | cross | |
High Tide | ||||||||||||||||||||||||
Low Tide | ||||||||||||||||||||||||
 | | |  |  |  | | | | | | | | | | | |  | | |  | | | | |
 | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — |
 | — | — | — | 9:00 | — | — | — | — | — | — | — | 9:00 | — | — | — | — | — | — | — | 9:01 | — | — | — | 9:04 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 4 | 4 | 4 | 3 | 2 | 2 | 2 | 3 | 5 | 5 | 6 | 5 | 4 | 3 | 2 | 4 | 7 | 9 | 9 | 9 | 7 | 6 | 5 | 5 |
-2 | -1 | -1 | -1 | -1 | -3 | -4 | -2 | 0 | 0 | 2 | 2 | 1 | -1 | -3 | -2 | 2 | 4 | 5 | 4 | 2 | 3 | 2 | 2 | |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | — | WNW 5 | WNW 6 | WNW 5 | — | WSW 4 | W 4 | — | — | — | — | — | — | — | WSW 4 | — | — | — | — |
 kJ | — | — | — | — | — | — | 6 | 6 | 3 | — | 3 | 1 | — | — | — | — | — | — | — | 1 | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | W 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WNW 5 | WNW 5 | WNW 5 | WNW 5 | WNW 5 | W 5 | W 4 | WSW 4 | WSW 4 | WSW 4 | — | — | WSW 3 | SW 2 | SW 3 | SSW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SSW 3 | S 4 | SSW 4 | SW 5 |
| kJ | 42 | 51 | 48 | 39 | 27 | 24 | 8 | 5 | 5 | 5 | — | — | 1 | 1 | 2 | 5 | 5 | 5 | 4 | 2 | 1 | 9 | 29 | 35 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1933 | 2418 | 1195 | 1195 | 1195 | 1195 | 1195 | 1195 | 1195 | 1195 | 1205 | 1195 | 1195 | 1195 | 1195 | 1195 | 1195 | 1240 | 1208 | 1205 | 1205 | 1196 | 1275 | 1275 |
Best forecast wave conditions in Lake Superior | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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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 Grand Marias 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.
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