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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 22 April 2025

Today Tonight and Wednesday.

Wind west 20 knots diminishing to west 15 this morning and to east 10 this afternoon. Wind increasing to east 15 Wednesday afternoon.

Waves

Issued 03:00 AM EDT 22 April 2025
Today Tonight and Wednesday. Waves 1.5 metres subsiding to 0.5 to 1 near noon and to 0.5 or less early this evening. Waves building to 0.5 to 1 Wednesday evening.

Extended Forecast

Issued 03:00 AM EDT 22 April 2025
Thursday Wind south 15 knots diminishing to light in the afternoon.
Friday Wind northeast 15 knots increasing to northeast 25.
Saturday Wind northeast 25 knots.

Ice Forecast*

Issued 12:00 PM EDT 21 April 2025 Today Tonight and Tuesday 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 Harrow AAFC Burlington Lift Bridge Oshawa Executive Airport Point Pelee Peterborough Municipal Airport Point Petre Hamilton Munro Int'l Airport Erieau Cobourg Toronto City Centre Airport Port Colborne CFB Trenton South Lake Huron - 45149 Windsor Airport Great Duck Island Gore Bay-Manitoulin Airport North Bay Airport Greater Sudbury Airport Killarney Sault Ste. Marie Airport Ajax - 45159 North Channel - 45154 Lake Nipissing - 45152 Lake Simcoe - 45151 Welland-Pelham Lake St Clair - 45147 South Georgian Bay - 45143 Port Colborne - 45142 Grimsby - 45139 Georgian Bay - 45137 Prince Edward Point - 45135 Port Stanley - 45132 Vineland Station Brockville Grenadier Island Kingston Airport Collingwood Lagoon City Muskoka Airport Parry Sound Harbour Lake Simcoe Regional Airport Wiarton Airport Cove Island Goderich Sarnia Chris Hadfield Airport Western Islands Tobermory Long Point Port Weller St. Catharines / Niagara District Airport Southeast Shoal
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 21 April 2025 Today Tonight and Tuesday

Ice Coverage

Ice free.

Ice Forecasts

Northern Lake Michigan

Issued 12:00 PM EDT 21 April 2025 Today Tonight and Tuesday

Ice Coverage

Open water.

Ice Forecasts

Southern Lake Michigan

Issued 12:00 PM EDT 21 April 2025 Today Tonight and Tuesday

Ice Coverage

Ice free.

Ice Forecasts

Green Bay

Issued 12:00 PM EDT 21 April 2025 Today Tonight and Tuesday

Ice Coverage

Open water.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 22 April 2025 Today Tonight and Wednesday At 3:00 a.m. EDT today low 1003 mb located over northeastern
Ontario.
By 3:00 a.m. EDT Wednesday departing low 1012 mb located over
central Quebec.

At 3:00 a.m. EDT today ridge located on a line north-south over
Manitoba.
By 3:00 a.m. EDT Wednesday ridge located from Hudson Bay to North
Channel then to Lake Erie.

At 3:00 a.m. EDT today low 1008 mb located over North Dakota.
By 3:00 a.m. EDT Wednesday low 1012 mb located over the Ontario -
Manitoba border.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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