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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 22 April 2026

Today Tonight and Thursday.

Wind north 10 knots becoming light early this evening then becoming east 10 Thursday morning. Wind increasing to southeast 15 Thursday evening.

Waves

Issued 03:00 AM EDT 22 April 2026
Today Tonight and Thursday. Waves 0.5 metres or less building to 0.5 to 1 Thursday evening.

Extended Forecast

Issued 03:00 AM EDT 22 April 2026
Friday Wind east 20 knots.
Saturday Wind east 15 knots diminishing to light.
Sunday Wind light.

Ice Forecast*

Issued 12:00 PM EDT 21 April 2026 Today Tonight and Wednesday Ice free.

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

    

[ Canadian Ice Service ]

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Map of Great Lakes - Lake Huron marine weather areas Wiarton Airport Western Islands Cove Island Goderich Lake Simcoe Regional Airport Vineland Station Parry Sound Harbour Sarnia Chris Hadfield Airport Tobermory Muskoka Airport Harrow AAFC Long Point Port Weller St. Catharines / Niagara District Airport Lagoon City Southeast Shoal Burlington Lift Bridge Welland-Pelham Windsor Airport Port Colborne Erieau Peterborough Municipal Airport CFB Trenton Toronto City Centre Airport Point Petre Oshawa Executive Airport Hamilton Munro Int'l Airport Point Pelee Cobourg Port Colborne - 45142 North Channel - 45154 Ajax - 45159 Lake Nipissing - 45152 Sault Ste. Marie Airport Killarney Lake Simcoe - 45151 Greater Sudbury Airport South Lake Huron - 45149 Lake St Clair - 45147 North Bay Airport South Georgian Bay - 45143 Gore Bay-Manitoulin Airport Grimsby - 45139 Georgian Bay - 45137 Great Duck Island Collingwood Kingston Airport Grenadier Island Brockville Prince Edward Point - 45135 Port Stanley - 45132
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 21 April 2026 Today Tonight and Wednesday

Ice Coverage

Ice free.

Ice Forecasts

Northern Lake Michigan

Issued 12:00 PM EDT 21 April 2026 Today Tonight and Wednesday

Ice Coverage

Open water except 5 tenths thick lake ice in Little Traverse Bay.

Ice Forecasts

Southern Lake Michigan

Issued 12:00 PM EDT 21 April 2026 Today Tonight and Wednesday

Ice Coverage

Ice free.

Ice Forecasts

Green Bay

Issued 12:00 PM EDT 21 April 2026 Today Tonight and Wednesday

Ice Coverage

Open water except 9 tenths thick lake ice in Bays de Noc.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 22 April 2026 Today Tonight and Thursday At 3:00 a.m. EDT today dissipating trough located on a line
east-west over southwestern Ontario.

At 3:00 a.m. EDT today ridge located on a line north-south over
Lake Superior.
By 3:00 a.m. EDT Thursday ridge located on a line north-south over
northeastern Ontario.

By 3:00 a.m. EDT Thursday approaching cold front located from
North Dakota to Kansas.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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