About Grindstone City Marina
25 Docks available for rent. Check with office for availability. WE CANNOT ACCOMMODATE TRANSIENT BOATS OVER 25′ IN LENGTH.

Facilities
COORDINATES
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
Fri
5AM - 9AM
27 February 2026
- SW 7–10 knots. Gusts up to 18 knots.
- −2°C
- Calm sea
- UV Index: 0 - Low
- Mostly fine
Fri
9AM - 1PM
27 February 2026
- SW 7–10 knots. Gusts up to 17 knots.
- Increasing from −2 to 3°C
- Calm sea
- UV Index: 2 - Low
- Partly cloudy
Fri
1PM - 5PM
27 February 2026
- SW 10 knots increasing to 15 knots. Gusts up to 24 knots.
- 2 to 5°C
- Calm sea
- UV Index: 2 - Low
- Partly cloudy