About Thornbury Municipal Harbour
features a full-service marina, located on the beautiful shores of South Georgian Bay. The Thornbury Harbour is owned by the Department of Fisheries and Oceans (DFO) and is managed and operated by the Town of The Blue Mountains. Please note, paid parking is in effect for visitors. +15195993131 ext. 330




Facilities
COORDINATES
44.56547 N, -80.45028 E
Port Information
Telephone
Berth Sizes
< 10m, 10-20m
Depth at MLW
2 - 3m
Manoeuvrability
Good
Channel Marking
Fair
VHF Channel
68
Port of Entry
No
Overseas Visitor Berths
Yes
Dock Type
Floating
Style Side To
Yes
Tidal Flow
Negligible
Active Winter
Yes
Weather Forecast
Tue
5AM - 9AM
12 May 2026
- Light and variable.
- Increasing from −2 to 5°C
- Calm sea
- UV Index: 0 - Low
- Sunny
Tue
9AM - 1PM
12 May 2026
- SE 4 knots increasing to NE 7 knots.
- Increasing from 5 to 8°C
- Calm sea
- UV Index: 5 - Moderate
- Partly cloudy
Tue
1PM - 5PM
12 May 2026
- NE 4–12 knots veering SE 4-12 knots.
- 7 to 10°C
- Calm sea
- UV Index: 5 - Moderate
- Cloudy