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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 24 March 2025

Today Tonight and Tuesday.

Gale warning in effect.

Wind southwest 35 knots diminishing to west 25 this afternoon and to west 15 Tuesday morning. Wind veering to northwest 20 Tuesday evening.

Scattered showers or scattered flurries becoming scattered flurries near noon. Visibility 1 mile or less in precipitation.

Waves

Issued 10:30 AM EDT 24 March 2025
Today Tonight and Tuesday. Waves 2 to 3 metres subsiding to 2 early this evening and to 1.5 late overnight. Waves subsiding to 0.5 to 1 near noon Tuesday.

Extended Forecast

Issued 03:00 AM EDT 24 March 2025
Wednesday Wind northwest 20 knots.
Thursday Wind southwest 20 knots veering to northwest 20 late in the day.
Friday Wind east 15 knots backing to northeast 20 late in the day.

Ice Forecast*

Issued 12:00 PM EDT 24 March 2025 Today Tonight and Tuesday Open water except 9 plus tenths thick lake ice along parts of the shore in the 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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Ice Conditions

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

Ice Forecasts

Southern Lake Huron

Issued 12:00 PM EDT 24 March 2025 Today Tonight and Tuesday

Ice Coverage

Open water except 9 plus tenths thick lake ice along parts of the
shore in the northeastern section.

Ice Forecasts

Northern Lake Michigan

Issued 12:00 PM EDT 24 March 2025 Today Tonight and Tuesday

Ice Coverage

Open water except 5 tenths thick lake ice east of Beaver Island.

Ice Forecasts

Southern Lake Michigan

Issued 12:00 PM EDT 24 March 2025 Today Tonight and Tuesday

Ice Coverage

Open water.

Ice Forecasts

Green Bay

Issued 12:00 PM EDT 24 March 2025 Today Tonight and Tuesday

Ice Coverage

Open water except 2 tenths thick lake ice along the shores.
Consolidated thick lake ice in Bays de Noc.

Warnings

Warnings (In effect)

Gale warning in effect

Southern Lake Huron

Issued 10:30 AM EDT 24 March 2025

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 24 March 2025 Today Tonight and Tuesday At 10:30 a.m. EDT today low 993 mb located over North Channel.
By 10:30 a.m. EDT Tuesday low 1005 mb located over southern Quebec.

By 10:30 a.m. EDT Tuesday ridge located on a line north-south over
northwestern Ontario.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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