Atherley Narrows Launch

Lake Couchiching · ramp

Atherley Narrows Launch

Lake Couchiching · ramp

0.0mChop

Latest model value

5kt347

Latest model value

Model forecast

2026-09-05T08:37:13.200Z

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

Wave Height0.0mModel value

Wind Speed5ktGUSTS 7kt

Air Temp15.8°C

Data SourceModel forecast2026-09-05, 4:37:13 a.m. EDT

24-Hour Wave Forecast

10h

11h

12h

13h

14h

15h

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 · Lake Simcoe

Issued Sep 4, 17:00 EDT

Tonight and Saturday.

Wind

Wind northwest 10 knots veering to north 10 near midnight then to northeast 10 Saturday 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

Map Satellite View