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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 31 March 2025

Today Tonight and Tuesday.

Wind southwest 25 knots veering to northwest 20 this morning then increasing to northwest 25 early this evening. Wind diminishing to north 15 Tuesday morning then veering to northeast 15 Tuesday afternoon. Wind veering to east 20 Tuesday evening.

Showers and fog patches early this morning with a risk of thunderstorms becoming scattered flurries or scattered showers and ending near noon. Scattered flurries overnight and Tuesday morning.

Waves

Issued 03:00 AM EDT 31 March 2025
Today Tonight and Tuesday. Waves 2 metres subsiding to 1.5 near noon then building to 2 this evening. Waves subsiding to 1.5 overnight and to 1 Tuesday morning.

Extended Forecast

Issued 03:00 AM EDT 31 March 2025
Wednesday Wind southeast 20 knots increasing to southeast 30 in the afternoon.
Thursday Wind southeast 25 knots diminishing to west 15 late in the day.
Friday Wind north 15 knots diminishing to light.

Ice Forecast*

Issued 12:00 PM EDT 30 March 2025 Today Tonight and Monday Open water except 3 tenths thick lake ice in the extreme northeastern section.

*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 Port Stanley - 45132 Prince Edward Point - 45135 Georgian Bay - 45137 Grimsby - 45139 Port Colborne - 45142 South Georgian Bay - 45143 Lake St Clair - 45147 South Lake Huron - 45149 Lake Simcoe - 45151 Lake Nipissing - 45152 North Channel - 45154 Ajax - 45159 Sault Ste. Marie Airport Killarney Greater Sudbury Airport North Bay Airport Gore Bay-Manitoulin Airport Great Duck Island Brockville Grenadier Island Kingston Airport Collingwood Lagoon City Muskoka Airport Parry Sound Harbour Lake Simcoe Regional Airport Wiarton Airport Western Islands Cove Island Goderich Sarnia Chris Hadfield Airport Tobermory Harrow AAFC Long Point Port Weller St. Catharines / Niagara District Airport Southeast Shoal Vineland Station Welland-Pelham Windsor Airport Port Colborne Erieau Point Pelee Burlington Lift Bridge Cobourg Hamilton Munro Int'l Airport Oshawa Executive Airport Point Petre Toronto City Centre Airport CFB Trenton Peterborough Municipal Airport
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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 30 March 2025 Today Tonight and Monday

Ice Coverage

Open water except 3 tenths thick lake ice in the extreme
northeastern section.

Ice Forecasts

Northern Lake Michigan

Issued 12:00 PM EDT 30 March 2025 Today Tonight and Monday

Ice Coverage

Open water except 2 tenths thick lake ice east of Beaver Island.

Ice Forecasts

Southern Lake Michigan

Issued 12:00 PM EDT 30 March 2025 Today Tonight and Monday

Ice Coverage

Open water.

Ice Forecasts

Green Bay

Issued 12:00 PM EDT 30 March 2025 Today Tonight and Monday

Ice Coverage

Open water except consolidated thick lake ice in Bays de Noc.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 31 March 2025 Today Tonight and Tuesday At 3:00 a.m. EDT today quasi-stationary ridge located on a line
east-west over Hudson Bay.

At 3:00 a.m. EDT today low 996 mb located over Georgian Bay.
By 3:00 a.m. EDT Tuesday low 995 mb located over the Gulf of
St. Lawrence.

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

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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