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
Wed
5AM - 9AM
18 February 2026
- E 14 knots.
- 0°C
- Chance of showers
Wed
9AM - 1PM
18 February 2026
- E 14 knots increasing to 17 knots. Gusts up to 32 knots.
- 0°C
- E 1.0m at 4s period
- UV Index: 0 - Low
- Rain
Wed
1PM - 5PM
18 February 2026
- E 14–19 knots. Gusts up to 31 knots.
- 0°C
- E 0.9m at 4s period
- UV Index: 0 - Low
- Rain