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
Sat
9AM - 1PM
06 June 2026
- W 11 knots decreasing to 7 knots. Gusts up to 18 knots.
- 17 to 20°C
- W 0.4m at 3s period
- Sunny
Sat
1PM - 5PM
06 June 2026
- W 2–13 knots.
- 18 to 20°C
- Calm sea
- UV Index: 8 - Very High
- Sunny
Sat
5PM - 9PM
06 June 2026
- W 6–10 knots veering NE 6-10 knots.
- Decreasing from 20 to 15°C
- Calm sea
- UV Index: 0 - Low
- Mostly fine