About Grindstone City Marina
25 Docks available for rent. Check with office for availability. WE CANNOT ACCOMMODATE TRANSIENT BOATS OVER 25′ IN LENGTH.
Facilities
Wifi
FoodCOORDINATES
44.05547 N, -82.89511 E
Port Information
Telephone
Berth Sizes
< 10m
Depth at MLW
2 - 3m
Manoeuvrability
Good
Channel Marking
Fair
Port of Entry
No
Overseas Visitor Berths
Yes
Dock Type
Fixed
Style Side To
Yes
Tidal Flow
Negligible
Active Winter
Yes
Weather Forecast
Sat
9AM - 1PM
28 March 2026
W 14 knots increasing to 17 knots. Gusts up to 22 knots.
Increasing from −3 to −1°C
NW 0.8m at 4s period
Mostly fine
Sat
1PM - 5PM
28 March 2026
- W 16 knots decreasing to 12 knots. Gusts up to 21 knots.
- −1 to 2°C
- W 0.7m at 4s period
UV Index: 2 - Low- Cloudy
Sat
5PM - 9PM
28 March 2026
- SW 8–14 knots. Gusts up to 19 knots.
- 2°C
- W 0.6m at 3s period
- UV Index: 0 - Low
- Cloudy