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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 11 April 2026

Today Tonight and Sunday.

Wind northwest 10 knots becoming light near noon then becoming southeast 10 this evening. Wind increasing to southeast 15 Sunday morning then veering to south 20 Sunday afternoon. Wind veering to southwest 25 Sunday evening.

Periods of rain Sunday. Risk of thunderstorms Sunday late in the day. Fog patches forming Sunday afternoon.

Waves

Issued 03:00 AM EDT 11 April 2026
Today Tonight and Sunday. Waves 0.5 to 1 metre subsiding to 0.5 or less this afternoon then building to 0.5 to 1 Sunday morning. Waves building to 1.5 Sunday evening.

Extended Forecast

Issued 03:00 AM EDT 11 April 2026
Monday Wind southwest 25 knots diminishing to northwest 15 in the afternoon.
Tuesday Wind east 15 knots becoming variable 15.
Wednesday Wind east 15 knots increasing to southwest 20 late in the day.

Ice Forecast*

Issued 12:00 PM EDT 10 April 2026 Today Tonight and Saturday Ice free.

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

    

[ Canadian Ice Service ]

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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
Legend:
buoy Buoy
land station Land Station
Ice Conditions

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

Ice Forecasts

Southern Lake Huron

Issued 12:00 PM EDT 10 April 2026 Today Tonight and Saturday

Ice Coverage

Ice free.

Ice Forecasts

Northern Lake Michigan

Issued 12:00 PM EDT 10 April 2026 Today Tonight and Saturday

Ice Coverage

Open water except 1 tenth thick lake ice in the extreme northern
section. Consolidated thick lake ice in and near the Straits of
Mackinac and in Little Traverse Bay.

Ice Forecasts

Southern Lake Michigan

Issued 12:00 PM EDT 10 April 2026 Today Tonight and Saturday

Ice Coverage

Ice free.

Ice Forecasts

Green Bay

Issued 12:00 PM EDT 10 April 2026 Today Tonight and Saturday

Ice Coverage

1 tenth thick lake ice. Consolidated thick lake ice in Bays de Noc.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 11 April 2026 Today Tonight and Sunday At 3:00 a.m. EDT today ridge located on a line north-south over
Michigan.
By 3:00 a.m. EDT Sunday ridge located on a line northeast-southwest
over eastern New York State.

At 3:00 a.m. EDT Sunday approaching trough located on a line
east-west over Upper Michigan.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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