About Grindstone City Marina
25 Docks available for rent. Check with office for availability. WE CANNOT ACCOMMODATE TRANSIENT BOATS OVER 25′ IN LENGTH.
Facilities
Wifi
FoodCOORDINATES
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
21 July 2026
SW 17 knots decreasing to 14 knots. Gusts up to 27 knots.
20 to 23°C
SW 0.7m at 3s period
UV Index: 0 - Low
Partly cloudy
Tue
9AM - 1PM
21 July 2026
- W 13–16 knots. Gusts up to 20 knots.
- 22 to 25°C
- W 0.5m at 3s period
- UV Index: 7 - High
- Mostly fine
Tue
1PM - 5PM
21 July 2026
- W 13 knots increasing to NW 16 knots. Gusts up to 23 knots.
- 22 to 25°C
- W 0.6m at 3s period
- UV Index: 7 - High
- Chance of showers