Thornbury Harbour Launch

Georgian Bay · ramp

Thornbury Harbour Launch

Georgian Bay · ramp

0.2mChop

Latest model value

6kt33

Latest model value

Model forecast

2026-09-05T11:42:36.336Z

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

Wave Height0.2mModel value

Wind Speed6ktGUSTS 7kt

Air Temp15.8°C

Data SourceModel forecast2026-09-05, 7:42:36 a.m. EDT

24-Hour Wave Forecast

10h

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18h

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.

Open official marine forecast Transport Canada lifejacket guidance

Official Forecast

Environment Canada · Georgian Bay

Issued Sep 5, 03:00 EDT

Today Tonight and Sunday.

Wind

Wind north 10 knots veering to northeast 10 early this morning then backing to northwest 10 near noon. Wind veering to northeast 10 this evening then becoming light Sunday morning. Wind becoming northwest 10 Sunday afternoon.

Extended Outlook

Monday

Wind light.

Tuesday

Wind light becoming south 15 knots late in the day.

Wednesday

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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