Ontonagon Marina
Lake Superior: Upper Peninsula (Ontonagon, Keweenaw, Marquette, Munising, Whitefish Bay) · USA
Plan route from Ontonagon MarinaShow on map
Ontonagon 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 1.1 m. Facilities on site: Toilets, Shore power, Diesel, Slipway, Restaurant, Groceries. With Sailseer you can plan passages from here with weather from nine models, tides, currents and bridge times.
Harbour info
Water depth: Harbour 1.1 m
Depth source: EMODnet (estimate)
Location: 46° 52,17' N 089° 19,25' W
From OpenStreetMap (way/959120361). Operator: City of Ontonagon. Depth 1.1 m estimated off the entrance from the EMODnet model, not guaranteed.
Facilities
ToiletsShore powerDieselSlipwayRestaurantGroceries
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
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 Ontonagon Marina?
The water depth in the harbour is about 1.1 m. Source of the depth: EMODnet (estimate). Always rely on the chart and the echo sounder.
Is there diesel at Ontonagon Marina?
Yes, according to the harbour data there is diesel at Ontonagon Marina.
What facilities does Ontonagon Marina have?
Facilities on site: Toilets, Shore power, Diesel, Slipway, Restaurant, Groceries.
What is the weather like in Ontonagon Marina?
For Ontonagon 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/959120361, OpenStreetMap (harbour services) (as of 2026-10-21) Location and facilities partly from OpenStreetMap (© OpenStreetMap contributors, ODbL).