Grimsby Municipal Launch

Lake Ontario · ramp

Grimsby Municipal Launch

Lake Ontario · ramp

0.4mChop

Latest model value

10kt324

Latest model value

Model forecast

2026-07-30T00:36:18.352Z

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

Wave Height0.4mModel value

Wind Speed10ktGUSTS 15kt

Air Temp22.5°C

Data SourceModel forecast2026-07-29, 8:36:18 p.m. EDT

24-Hour Wave Forecast

20h

21h

22h

23h

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

Environment Canada — Active Warning

Eastern Lake Ontario

Strong wind warning

Western Lake Ontario

Strong wind warning

Official Forecast

Environment Canada · Lake Ontario

Issued Jul 29, 18:30 EDT

Lac Ontario Est

Tonight and Thursday.

Wind

Wind north 20 knots diminishing to north 15 near midnight and to northwest 10 near noon Thursday. Wind becoming light Thursday evening.

Visibility / Precipitation

Scattered showers this evening.

Lac Ontario Ouest

Tonight and Thursday.

Wind

Wind north 20 knots diminishing to north 15 near midnight and to northwest 10 near noon Thursday.

Extended Outlook

Friday

Wind light.

Saturday

Wind light.

Sunday

Wind light.

View full forecast on weather.gc.ca →

Not for navigation. Verify official charts and local conditions.

Technical Logistics

Last verified 2026-06-10

Surfaceconcrete

Lanes2

DockAvailable

ParkingAvailable

Feepaid

SeasonMay–Oct

Accesspublic

Data verified 2026-06-10 · Sources: OSM + municipal parks

Community Photos

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