Language selection

Weather shortcuts

Western Lake Erie

Forecast

Marine Forecast

Issued 10:30 AM EDT 21 July 2026

Today Tonight and Wednesday.

Strong wind warning in effect.

Wind southwest 25 knots veering to west 20 this afternoon then to northwest 20 this evening. Wind diminishing to northwest 15 Wednesday morning and to north 10 Wednesday evening.

Scattered showers ending this evening with a risk of thunderstorms.

Waves

Issued 10:30 AM EDT 21 July 2026
Today Tonight and Wednesday. Waves 1.5 metres subsiding to 1 early this evening and to 0.5 or less Wednesday evening.

Extended Forecast

Issued 03:00 AM EDT 21 July 2026
Thursday Wind light.
Friday Wind light becoming south 15 knots late in the day.
Saturday Wind south 15 knots.

Stay connected

ATOM

Weather Conditions

Skip Image

Zoom-in to make a selection

Map of Great Lakes - Lake Erie and Lake Ontario marine weather areas CFB Trenton Port Colborne - 45142 Hamilton Munro Int'l Airport Oshawa Executive Airport Port Stanley - 45132 Lake Nipissing - 45152 Point Petre Georgian Bay - 45137 Toronto City Centre Airport Lake Simcoe - 45151 South Georgian Bay - 45143 Prince Edward Point - 45135 Peterborough Municipal Airport South Lake Huron - 45149 Collingwood Lake St Clair - 45147 Grimsby - 45139 Goderich Lagoon City Kingston Airport Muskoka Airport Parry Sound Harbour Grenadier Island Lake Simcoe Regional Airport Wiarton Airport Brockville Western Islands Cove Island Great Duck Island North Channel - 45154 Sarnia Chris Hadfield Airport Gore Bay-Manitoulin Airport Tobermory Harrow AAFC Long Point North Bay Airport Port Weller St. Catharines / Niagara District Airport Greater Sudbury Airport Southeast Shoal Vineland Station Port Colborne Erieau Cobourg Sault Ste. Marie Airport Windsor Airport Welland-Pelham Killarney Ajax - 45159 Point Pelee Burlington Lift Bridge
Legend:
buoy Buoy
land station Land Station
Ice Conditions

*Ice Forecast and Warnings also apply to U.S. waters

Ice Forecasts

Issued 12:00 PM EDT 17 May 2026 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Strong wind warning in effect

Western Lake Erie

Issued 10:30 AM EDT 21 July 2026

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio.

Watches (In effect)

Squall watch in effect

Western Lake Erie

Issued 5:36 PM EDT 21 July 2026 Conditions are favourable for thunderstorms with wind gusts up to 45 knots through early this evening.

Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 21 July 2026 Tonight and Wednesday At 6:30 p.m. EDT tonight trough from 991 mb low located on a line
north-south over Lake Simcoe.
By 6:30 p.m. EDT Wednesday trough from 993 mb low located on a
line north-south over Maine.

At 6:30 p.m. EDT tonight ridge located on a line northwest-southeast
over North Dakota.
By 6:30 p.m. EDT Wednesday ridge located on a line
northwest-southeast over Wisconsin.

Great Lakes - Lake Erie and Lake Ontario Area

Another Region

Features

Colour-coded weather alerts

Learn more about weather alerting in Canada

Thunderstorm Outlooks

Find the Thunderstorm Outlook for your area.

Date modified: