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
Sun
5AM - 9AM
17 May 2026
- NE 12 knots decreasing to 8 knots. Gusts up to 17 knots.
- 6 to 11°C
- Calm sea
- Partly cloudy
Sun
9AM - 1PM
17 May 2026
- NE 5–8 knots.
- 6 to 11°C
- Calm sea
- Cloudy
Sun
1PM - 5PM
17 May 2026
- NE 7 knots increasing to 11 knots.
- 10 to 13°C
- Calm sea
- UV Index: 6 - High
- Cloudy