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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 04 April 2025

Today Tonight and Saturday.

Wind north 10 knots increasing to north 15 this afternoon then veering to east 15 this evening. Wind diminishing to northeast 10 Saturday morning then increasing to northwest 15 near noon Saturday. Wind increasing to northwest 20 Saturday evening.

Periods of rain overnight and Saturday.

Waves

Issued 03:00 AM EDT 04 April 2025
Today Tonight and Saturday. Waves 0.5 to 1 metre subsiding to 0.5 or less early this morning then building to 0.5 to 1 early this evening. Waves subsiding to 0.5 or less Saturday morning then building to 0.5 to 1 Saturday afternoon.

Extended Forecast

Issued 03:00 AM EDT 04 April 2025
Sunday Wind northwest 25 knots diminishing to northwest 15 in the morning and to light late in the day.
Monday Wind south 15 knots increasing to northwest 30.
Tuesday Wind northwest 25 knots.

Ice Forecast*

Issued 12:00 PM EDT 3 April 2025 Today Tonight and Friday Open water except 1 tenth thick lake ice near the Bruce Peninsula.

*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:
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 3 April 2025 Today Tonight and Friday

Ice Coverage

Open water except 1 tenth thick lake ice near the Bruce Peninsula.

Ice Forecasts

Northern Lake Michigan

Issued 12:00 PM EDT 3 April 2025 Today Tonight and Friday

Ice Coverage

Open water except 1 tenth thick lake ice in the vicinity of Beaver
Island and in the Straits of Mackinac.

Ice Forecasts

Southern Lake Michigan

Issued 12:00 PM EDT 3 April 2025 Today Tonight and Friday

Ice Coverage

Ice free.

Ice Forecasts

Green Bay

Issued 12:00 PM EDT 3 April 2025 Today Tonight and Friday

Ice Coverage

Open water except 1 tenth thick lake ice east of Chambers Island.
Consolidated thick lake ice in northern Bays de Noc.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 4 April 2025 Today Tonight and Saturday At 3:00 a.m. EDT today departing low 1003 mb located over central
Quebec.

At 3:00 a.m. EDT today high 1025 mb located over Wisconsin.
By 3:00 a.m. EDT Saturday high 1030 mb located over southern Quebec.

By 3:00 a.m. EDT Saturday approaching low 1010 mb located over
Illinois.

Great Lakes - Lake Erie and Lake Ontario Area

Another Region

Marine Weather for Canada

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