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Western Lake Erie

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 11 August 2026

Today Tonight and Wednesday.

Wind light becoming southwest 10 knots early this afternoon. Wind southwest 10 tonight and Wednesday.

Scattered showers ending near midnight with a risk of thunderstorms. Scattered showers Wednesday afternoon and evening with a risk of thunderstorms.

Waves

Issued 10:30 AM EDT 11 August 2026
Today Tonight and Wednesday. Waves less than 0.5 metres.

Extended Forecast

Issued 03:00 AM EDT 11 August 2026
Thursday Wind light.
Friday Wind north 15 knots.
Saturday Wind northeast 15 knots diminishing to light.

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

Watches (In effect)

Squall watch in effect

Western Lake Erie

Issued 12:47 PM EDT 11 August 2026 Conditions are favourable for the development of squalls with wind gusts up to 40 knots and frequent lightning.

Thunderstorms over Lower Michigan could move over the area later this afternoon.

Mariners are advised to prepare for potential squalls. Vulnerable vessels are most at risk and should seek safe harbour if underway.

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 10:30 AM EDT 11 August 2026 Today Tonight and Wednesday At 10:30 a.m. EDT today quasi-stationary trough located on a line
east-west over Iowa.

At 10:30 a.m. EDT today quasi-stationary ridge located on a line
northwest-southeast over Lake Superior.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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