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
Tue
5AM - 9AM
19 May 2026
- SW 10–15 knots. Gusts up to 19 knots.
- 14°C
- Calm sea
- UV Index: 0 - Low
- Cloudy
Tue
9AM - 1PM
19 May 2026
- SW 13 knots increasing to 15 knots. Gusts up to 22 knots.
- Increasing from 15 to 18°C
- Calm sea
- UV Index: 2 - Low
- Partly cloudy
Tue
1PM - 5PM
19 May 2026
- SW 14–17 knots. Gusts up to 24 knots.
- 15 to 18°C
- SW 0.5m at 3s period
- UV Index: 8 - Very High
- Chance of showers