Atherley Narrows Launch

Lake Couchiching · ramp

Atherley Narrows Launch

Lake Couchiching · ramp

0.0mChop

Latest model value

7kt185

Latest model value

Model forecast

2026-10-21T16:04:39.070Z

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

Wave Height0.0mModel value

Wind Speed7ktGUSTS 8kt

Air Temp10.5°CCold Water Warning

Data SourceModel forecast2026-10-21, 12:04:39 p.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 · Lake Simcoe

Issued Oct 21, 11:30 EDT

Today Tonight and Thursday.

Wind

Wind light becoming northwest 10 knots near noon Thursday then veering to north 10 Thursday evening.

Visibility / Precipitation

Fog patches forming overnight and dissipating Thursday morning.

View full forecast on weather.gc.ca →

Not for navigation. Verify official charts and local conditions.

Technical Logistics

Surfaceconcrete

Lanes1

DockNone

ParkingNone

Feefree

SeasonMay–Oct

Accesspublic

Community Photos

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