Thunder Bay
Lake Superior: Ontario (Thunder Bay, Nipigon, Rossport, Marathon, Batchawana Bay) · Canada
Plan route from Thunder BayShow on map
Thunder Bay is a harbour in the Lake Superior: Ontario (Thunder Bay, Nipigon, Rossport, Marathon, Batchawana Bay) cruising area, Canada. The water depth in the harbour is about 0.5 m. Facilities on site: Slipway, Restaurant. The nearest harbour by water is Thunder Bay (Lake Superior: Ontario (Thunder Bay, Nipigon, Rossport, Marathon, Batchawana Bay)) (2.5 nm). With Sailseer you can plan passages from here with weather from nine models, tides, currents and bridge times.
Harbour info
Water depth: Harbour 0.5 m
Depth source: EMODnet (estimate)
Location: 48° 25,91' N 089° 12,94' W
From OpenStreetMap (node/887110046). Depth 0.5 m estimated off the entrance from the EMODnet model, not guaranteed. No name in OpenStreetMap, named after the nearest town.
Facilities
SlipwayRestaurant
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
- Thunder Bay (Lake Superior: Ontario (Thunder Bay, Nipigon, Rossport, Marathon, Batchawana Bay)) 2.5 nm S · Plan route
- Silver Islet Marina 19 nm E · Plan route
- Grand Portage 40.5 nm SW · Plan route
- Rock Harbor Marina 41.7 nm SE · 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 Thunder Bay?
The water depth in the harbour is about 0.5 m. Source of the depth: EMODnet (estimate). Always rely on the chart and the echo sounder.
What facilities does Thunder Bay have?
Facilities on site: Slipway, Restaurant.
Which harbours are near Thunder Bay?
By water: Thunder Bay (Lake Superior: Ontario (Thunder Bay, Nipigon, Rossport, Marathon, Batchawana Bay)) (2.5 nm), Silver Islet Marina (19 nm), Grand Portage (40.5 nm), Rock Harbor Marina (41.7 nm).
What is the weather like in Thunder Bay?
For Thunder Bay, 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 node/887110046, OpenStreetMap (harbour services) (as of 2026-10-21) Location and facilities partly from OpenStreetMap (© OpenStreetMap contributors, ODbL).