Thornbury Harbour Launch

Georgian Bay · ramp

Thornbury Harbour Launch

Georgian Bay · ramp

0.1mChop

Latest model value

6kt191

Latest model value

Model forecast

2026-10-21T14:39:09.159Z

Marina scene at Niagara-on-the-Lake harbour with boats docked and red-roof boathouse

Wave Height0.1mModel value

Wind Speed6ktGUSTS 11kt

Air Temp10.5°CCold Water Warning

Data SourceModel forecast2026-10-21, 10:39:09 a.m. EDT

24-Hour Wave Forecast

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Safety context

Conditions can differ at the ramp and on your route. Check official warnings, local notices, visibility and your boat's operating limits. You are responsible for the launch decision.

Cold water can affect breathing and muscle control immediately. Wear a properly fitted Canadian-approved lifejacket or PFD.

Open official marine forecast Transport Canada lifejacket guidance

Official Forecast

Environment Canada · Georgian Bay

Issued Oct 21, 03:00 EDT

Today Tonight and Thursday.

Wind

Wind southeast 15 knots veering to southwest 15 this morning then diminishing to northwest 10 this evening. Wind increasing to northeast 15 Thursday morning.

Extended Outlook

Friday

Wind light.

Saturday

Wind south 15 knots diminishing to light.

Sunday

Wind southwest 20 knots.

View full forecast on weather.gc.ca →

Not for navigation. Verify official charts and local conditions.

Technical Logistics

Surfaceconcrete

Lanes1

DockAvailable

ParkingNone

Feefree

SeasonMay–Oct

Accesspublic

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