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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 19 April 2026

Tonight and Monday.

Wind northwest 25 knots diminishing to north 15 late overnight and to northwest 10 Monday morning. Wind becoming light Monday afternoon then becoming south 15 Monday evening.

Scattered showers or scattered flurries becoming scattered flurries this evening and ending Monday morning.

Waves

Issued 06:30 PM EDT 19 April 2026
Tonight and Monday. Waves 2 metres subsiding to 1 to 1.5 late overnight and to 0.5 to 1 early Monday morning. Waves subsiding to 0.5 or less near noon Monday.

Extended Forecast

Issued 06:30 PM EDT 19 April 2026
Tuesday Wind south 15 knots increasing to south 25 in the morning then diminishing to light late in the day.
Wednesday Wind light.
Thursday Wind light becoming southeast 15 knots.

Ice Forecast*

Issued 12:00 PM EDT 19 April 2026 Today Tonight and Monday 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
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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 19 April 2026 Today Tonight and Monday

Ice Coverage

Ice free.

Ice Forecasts

Northern Lake Michigan

Issued 12:00 PM EDT 19 April 2026 Today Tonight and Monday

Ice Coverage

Open water except 2 tenths thick lake ice in Little Traverse Bay.

Ice Forecasts

Southern Lake Michigan

Issued 12:00 PM EDT 19 April 2026 Today Tonight and Monday

Ice Coverage

Ice free.

Ice Forecasts

Green Bay

Issued 12:00 PM EDT 19 April 2026 Today Tonight and Monday

Ice Coverage

Open water. Consolidated rotten thick lake ice in Bays de Noc.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 19 April 2026 Tonight and Monday At 6:30 p.m. EDT tonight departing low 990 mb located over eastern
Hudson Bay.

At 6:30 p.m. EDT tonight high 1029 mb located over northeastern
North Dakota.
By 6:30 p.m. EDT Monday high 1030 mb located south of Lake Erie.

At 6:30 p.m. EDT tonight low 995 mb located over the southern
Northwest Territories.
By 6:30 p.m. EDT Monday low 991 mb located over northeastern
Manitoba.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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