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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 30 March 2025

Tonight and Monday.

Wind south 20 knots increasing to southwest 30 this evening then diminishing to northwest 20 Monday morning. Wind increasing to northwest 25 Monday evening.

Showers with a risk of thunderstorms becoming scattered flurries or scattered showers Monday morning and ending near noon Monday. Fog patches dissipating late overnight.

Waves

Issued 06:30 PM EDT 30 March 2025
Tonight and Monday. Waves 1 to 1.5 metres building to 2 near midnight then subsiding to 1 to 1.5 early Monday morning. Waves building to 2 near noon Monday.

Extended Forecast

Issued 06:30 PM EDT 30 March 2025
Tuesday Wind north 20 knots veering to east 20 late in the day.
Wednesday Wind southeast 20 knots increasing to southeast 30 late in the day.
Thursday Wind southeast 30 knots diminishing to west 15 late in the day.

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 Erie and Lake Ontario 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
Legend:
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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

Warnings (Ended)

Squall warning ended

Southern Lake Huron

Issued 10:24 PM EDT 30 March 2025
Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 30 March 2025 Tonight and Monday At 6:30 p.m. EDT tonight departing ridge located on a line east-west
over Hudson Bay.

At 6:30 p.m. EDT tonight low 1000 mb located over Lake Michigan.
By 6:30 p.m. EDT Monday low 992 mb located southwest of the Gulf
of St. Lawrence.

By 6:30 p.m. EDT Monday approaching ridge located on a line
north-south over Manitoba.

Great Lakes - Lake Erie and Lake Ontario Area

Another Region

Marine Weather for Canada

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