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
Get Local Knowledge
Download the PredictWind App for detailed local insights, hazards, and amenities.
Weather Forecast
Thu
5AM - 9AM
19 March 2026
W 11 knots decreasing to 9 knots.
0°C
Calm sea
Cloudy
Thu
9AM - 1PM
19 March 2026
- W 10 knots.
- 0 to 3°C
- Calm sea
- Partly cloudy
Thu
1PM - 5PM
19 March 2026
- SW 3–9 knots veering NW 3-9 knots.
- 2°C
- Calm sea
UV Index: 3 - Moderate- Cloudy
Thu
5PM - 9PM
19 March 2026
- N 4–11 knots veering E 4-11 knots.
- 0 to 2°C
- Calm sea
- UV Index: 0 - Low
- Cloudy
Thu
9PM - 5AM
19 March 2026
- SE 7 knots increasing to 13 knots. Gusts up to 23 knots.
- 0 to 2°C
- NE 0.4m at 3s period
- UV Index: 0 - Low
- Cloudy
Fri
5AM - 9AM
20 March 2026
- S 9–16 knots veering SW 9-16 knots. Gusts up to 23 knots.
- 2°C
- Calm sea
- UV Index: 0 - Low
- Chance of showers
Fri
9AM - 1PM
20 March 2026
- SW 8–14 knots veering W 8-14 knots. Gusts up to 24 knots.
- 3 to 5°C
- Calm sea
- UV Index: 0 - Low
- Cloudy
Fri
1PM - 5PM
20 March 2026
- W 11 knots increasing to N 14 knots. Gusts up to 21 knots.
- 2 to 5°C
- Calm sea
- UV Index: 0 - Low
- Cloudy
Fri
5PM - 9PM
20 March 2026
- N 13–15 knots. Gusts up to 23 knots.
- 1°C
- N 0.3-0.8m at 3s period
- UV Index: 0 - Low
- Cloudy
Fri
9PM - 5AM
20 March 2026
- N 12 knots decreasing to 7 knots. Gusts up to 20 knots.
- 1°C
- N 0.2-0.7m at 3s period
- UV Index: 0 - Low
- Partly cloudy
Sat
5AM - 9AM
21 March 2026
- NW 4–10 knots veering NE 4-10 knots.
- 0°C
- Calm sea
- UV Index: 0 - Low
- Cloudy
Sat
9AM - 1PM
21 March 2026
- E 4–6 knots veering SE 4-6 knots.
- −1 to 2°C
- Calm sea
- UV Index: 0 - Low
- Cloudy
Sat
1PM - 5PM
21 March 2026
- SE 6 knots increasing to 10 knots.
- 1 to 3°C
- Calm sea
- UV Index: 3 - Moderate
- Cloudy
Sat
5PM - 9PM
21 March 2026
- SE 12 knots. Gusts up to 20 knots.
- 1 to 4°C
- Calm sea
- UV Index: 0 - Low
- Cloudy
Sat
9PM - 5AM
21 March 2026
- SE 11 knots decreasing to SW 8 knots. Gusts up to 22 knots.
- 1 to 4°C
- Calm sea
- UV Index: 0 - Low
- Cloudy
Sun
5AM - 9AM
22 March 2026
- W 8 knots increasing to NE 10 knots. Gusts up to 17 knots.
- 2°C
- Calm sea
- UV Index: 0 - Low
- Cloudy
Sun
9AM - 1PM
22 March 2026
- NE 11 knots increasing to 17 knots. Gusts up to 24 knots.
- 0 to 3°C
- NE 0.3-1.2m at 3s period
- UV Index: 0 - Low
- Cloudy
Sun
1PM - 5PM
22 March 2026
- N 16 knots increasing to 18 knots. Gusts up to 27 knots.
- 0 to 2°C
- N 1.2-1.7m at 5s period
- UV Index: 0 - Low
- Cloudy
Sun
5PM - 9PM
22 March 2026
- NE 18–20 knots. Gusts up to 29 knots.
- 0°C
- N 1.7m at 5s period
- UV Index: 0 - Low
- Cloudy
Sun
9PM - 5AM
22 March 2026
- NE 16–20 knots. Gusts up to 28 knots.
- −3 to 0°C
- N 1.0-1.3m at 4s period
- UV Index: 0 - Low
- Cloudy
Mon
5AM - 9AM
23 March 2026
- NE 16–19 knots. Gusts up to 22 knots.
- −3°C
- N 1.0m at 4s period
- UV Index: 0 - Low
- Cloudy
Mon
9AM - 1PM
23 March 2026
- NE 16 knots decreasing to 13 knots. Gusts up to 20 knots.
- −2°C
- N 1.1m at 4s period
- Cloudy
Mon
1PM - 5PM
23 March 2026
- NE 11–13 knots.
- −3 to 0°C
- N 1.0m at 4s period
- Cloudy
Mon
5PM - 9PM
23 March 2026
- NE 10 knots.
- −3 to 0°C
- N 0.8m at 4s period
- Cloudy
Mon
9PM - 5AM
23 March 2026
- E 8–11 knots. Gusts up to 16 knots.
- −1°C
- 0.4m
- Cloudy
Tue
5AM - 9AM
24 March 2026
- E 8–10 knots.
- −2 to 0°C
- SW 0.5m at 3s period
- Cloudy
Tue
9AM - 1PM
24 March 2026
- SE 9–12 knots. Gusts up to 19 knots.
- 1°C
- SW 0.8m at 3s period
- Cloudy
Tue
1PM - 5PM
24 March 2026
- SE 13 knots decreasing to 9 knots. Gusts up to 21 knots.
- 1 to 4°C
- W 0.5-0.9m at 3s period
- Cloudy
Tue
5PM - 9PM
24 March 2026
- SE 9 knots increasing to 13 knots. Gusts up to 26 knots.
- 2 to 4°C
- NW 0.5m at 4s period
- Cloudy
Tue
9PM - 5AM
24 March 2026
- SE 4–19 knots veering NW 4-19 knots. Gusts up to 28 knots.
- 1 to 4°C
- N 0.5m at 4s period
- Cloudy
Wed
5AM - 9AM
25 March 2026
- W 7–20 knots. Gusts up to 26 knots.
- 0 to 5°C
- Calm sea
- Cloudy
Wed
9AM - 1PM
25 March 2026
- W 14 knots decreasing to NW 8 knots. Gusts up to 22 knots.
- −1 to 7°C
- Partly cloudy
Wed
1PM - 5PM
25 March 2026
- N 4–12 knots veering E 4-12 knots.
- 1 to 7°C
- Calm sea
- Cloudy
Wed
5PM - 9PM
25 March 2026
- NE 9 knots increasing to 16 knots. Gusts up to 23 knots.
- −2 to 6°C
- Calm sea
- Chance of showers
Wed
9PM - 5AM
25 March 2026
- N 10–20 knots veering S 10-20 knots. Gusts up to 26 knots.
- −6 to 6°C
- SE 0.5m at 3s period
- Cloudy
Thu
5AM - 9AM
26 March 2026
- SE 4–20 knots veering SW 4-20 knots. Gusts up to 23 knots.
- −7 to 5°C
- S 0.4m at 3s period
- Cloudy
Thu
9AM - 1PM
26 March 2026
- SW 23 knots.
- 7°C
- Cloudy
Thu
1PM - 5PM
26 March 2026
- W 22 knots decreasing to NW 20 knots. Gusts up to 34 knots.
- Decreasing from 8 to 4°C
- SW 1.0m at 4s period
- Chance of showers
Thu
5PM - 9PM
26 March 2026
- NW 20 knots increasing to 23 knots. Gusts up to 32 knots.
- 1 to 4°C
- NW 0.9m at 3s period
- Cloudy
Thu
9PM - 5AM
26 March 2026
- NW 26 knots decreasing to 22 knots. Gusts up to 35 knots.
- −6 to −2°C
- N 2.5m at 6s period
- Cloudy
Fri
5AM - 9AM
27 March 2026
- N 22 knots decreasing to 16 knots. Gusts up to 26 knots.
- −6 to −4°C
- N 1.4m at 5s period
- Cloudy
Fri
9AM - 1PM
27 March 2026
- NW 14 knots.
- −5°C
- Cloudy
Fri
1PM - 5PM
27 March 2026
- N 6–11 knots.
- −3°C
- N 0.8m at 4s period
- Cloudy
Fri
5PM - 9PM
27 March 2026
- N 5–16 knots veering E 5-16 knots.
- −4 to −2°C
- NE 0.6m at 3s period
- Cloudy
Fri
9PM - 5AM
27 March 2026
- S 5 knots increasing to 15 knots. Gusts up to 20 knots.
- −4 to −1°C
- S 0.7m at 3s period
- Cloudy
Sat
5AM - 9AM
28 March 2026
- S 12 knots increasing to 19 knots. Gusts up to 27 knots.
- Increasing from −4 to 0°C
- SW 1.1m at 4s period
- Cloudy
Sat
9AM - 1PM
28 March 2026
- S 21 knots.
- 0°C
- Cloudy
Sat
1PM - 5PM
28 March 2026
- SW 20 knots decreasing to 17 knots. Gusts up to 28 knots.
- 3 to 6°C
- W 0.9m at 4s period
- Cloudy
Sat
5PM - 9PM
28 March 2026
- SW 17 knots decreasing to 12 knots. Gusts up to 27 knots.
- Decreasing from 6 to 2°C
- W 0.6m at 3s period
- Cloudy
Sat
9PM - 5AM
28 March 2026
- SW 10 knots decreasing to 6 knots. Gusts up to 19 knots.
- 1°C
- Cloudy