Grand Marais Municipal Marina
Lake Superior: Upper Peninsula (Ontonagon, Keweenaw, Marquette, Munising, Whitefish Bay) · USA
Plan route from Grand Marais Municipal MarinaShow on map
Grand Marais Municipal Marina is a harbour in the Lake Superior: Upper Peninsula (Ontonagon, Keweenaw, Marquette, Munising, Whitefish Bay) cruising area, USA. The water depth in the harbour is about 4.1 m. Facilities on site: Toilets, Slipway, Wi-Fi, Restaurant, Groceries. The nearest harbour by water is Grand Portage (30.8 nm). With Sailseer you can plan passages from here with weather from nine models, tides, currents and bridge times.
Harbour info
Water depth: Harbour 4.1 m
Depth source: EMODnet (estimate)
Location: 47° 44,90' N 090° 20,44' W
From OpenStreetMap (way/160073661). Depth 4.1 m estimated off the entrance from the EMODnet model, not guaranteed.
Facilities
ToiletsSlipwayWi-FiRestaurantGroceries
10-day outlook
| Day | Wind kn | Gusts kn | from | Waves | Weather | |
|---|---|---|---|---|---|---|
| loading … | ||||||
Strongest wind and gust per day, mean of ECMWF and GFS; from day six only a trend. Hourly forecast, models and warnings on the map
Nearest harbours by water
- Grand Portage 30.8 nm NE · Plan route
- Sand Bay 54 nm SW · Plan route
- Schooner Bay Marina 58.1 nm S · Plan route
- Buffalo Bay Marina 59.6 nm S · Plan route
Harbour guides and charts
- OpenSeaMap Chart with buoys, lights and harbour details
- OpenStreetMap Map with paths, shops and addresses ashore
- Google Maps Satellite view, Street View, opening hours ashore
- Windy Webcams Webcams nearby
- Navily Photos, reviews, prices and berth booking
- noforeignland Anchorages, services and reports from cruising sailors
Rules and formalities
Frequently asked questions
How deep is the water at Grand Marais Municipal Marina?
The water depth in the harbour is about 4.1 m. Source of the depth: EMODnet (estimate). Always rely on the chart and the echo sounder.
What facilities does Grand Marais Municipal Marina have?
Facilities on site: Toilets, Slipway, Wi-Fi, Restaurant, Groceries.
Which harbours are near Grand Marais Municipal Marina?
By water: Grand Portage (30.8 nm), Sand Bay (54 nm), Schooner Bay Marina (58.1 nm), Buffalo Bay Marina (59.6 nm).
What is the weather like in Grand Marais Municipal Marina?
For Grand Marais Municipal Marina, Sailseer shows the 10-day outlook from ECMWF and GFS and, on the map, the hourly forecast from nine models with official warnings and measured wind.
Sources: OpenStreetMap way/160073661, OpenStreetMap (harbour services) (as of 2026-10-21) Location and facilities partly from OpenStreetMap (© OpenStreetMap contributors, ODbL).