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
12 July 2026
- SE 3–6 knots.
- 17 to 21°C
- Calm sea
- UV Index: 0 - Low
- Sunny
Sun
9AM - 1PM
12 July 2026
- S 3 knots increasing to E 6 knots.
- 21 to 23°C
- Calm sea
- UV Index: 8 - Very High
- Sunny
Sun
1PM - 5PM
12 July 2026
- NE 5–8 knots veering E 5-8 knots.
- 23°C
- Calm sea
- UV Index: 8 - Very High
- Sunny