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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 13 June 2026

Today Tonight and Sunday.

Strong wind warning in effect.

Wind southwest 15 knots increasing to southwest 20 this afternoon then diminishing to west 10 this evening. Wind veering to north 10 overnight then increasing to north 15 Sunday evening.

Showers and fog patches beginning near noon changing to rain Sunday morning and ending Sunday afternoon. Risk of thunderstorms today and Sunday.

Waves

Issued 03:00 AM EDT 13 June 2026
Today Tonight and Sunday. Waves 0.5 to 1 metre subsiding to 0.5 or less near midnight then building to 1 Sunday evening.

Extended Forecast

Issued 03:00 AM EDT 13 June 2026
Monday Wind west 15 knots diminishing to light late in the day.
Tuesday Wind light becoming south 15 knots.
Wednesday Wind light becoming south 15 knots late in the day.

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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
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Ice Conditions

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

Ice Forecasts

Lake Huron

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

Ice Forecasts

Lake Michigan

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

Warnings (In effect)

Strong wind warning in effect

Southern Lake Huron

Issued 03:00 AM EDT 13 June 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.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 13 June 2026 Today Tonight and Sunday At 3:00 a.m. EDT today low 990 mb located over Hudson Bay.
By 3:00 a.m. EDT Sunday low 998 mb located over northeastern
Hudson Bay.

At 3:00 a.m. EDT today quasi-stationary trough located on a line
northwest-southeast over James Bay.

At 3:00 a.m. EDT today ridge located on a line northeast-southwest
over Ohio.
By 3:00 a.m. EDT Sunday ridge located on a line northeast-southwest
over Pennsylvania.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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