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Northern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 24 April 2026

Today Tonight and Saturday.

Wind east 25 knots diminishing to northeast 15 Saturday morning and to north 10 Saturday evening.

Scattered showers ending this morning with a risk of thunderstorms. Scattered showers beginning this evening and changing to rain near midnight and ending Saturday morning.

Waves

Issued 03:00 AM EDT 24 April 2026
Today Tonight and Saturday. Waves 1.5 metres subsiding to 1 this evening and to 0.5 or less Saturday evening.

Extended Forecast

Issued 03:00 AM EDT 24 April 2026
Sunday Wind light.
Monday Wind light increasing to southeast 20 knots late in the day.
Tuesday Wind south 25 knots.

Ice Forecast*

Issued 12:00 PM EDT 23 April 2026 Today Tonight and Friday Open water.

*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
Legend:
buoy Buoy
land station Land Station
Ice Conditions

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

Ice Forecasts

Northern Lake Huron

Issued 12:00 PM EDT 23 April 2026 Today Tonight and Friday

Ice Coverage

Open water.

Ice Forecasts

Northern Lake Michigan

Issued 12:00 PM EDT 23 April 2026 Today Tonight and Friday

Ice Coverage

Open water except 5 tenths thick lake ice in Little Traverse Bay.

Ice Forecasts

Southern Lake Michigan

Issued 12:00 PM EDT 23 April 2026 Today Tonight and Friday

Ice Coverage

Ice free.

Ice Forecasts

Green Bay

Issued 12:00 PM EDT 23 April 2026 Today Tonight and Friday

Ice Coverage

Open water except 2 tenths thick lake ice in Bays de Noc.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 24 April 2026 Today Tonight and Saturday At 3:00 a.m. EDT today ridge located on a line north-south over
the Ontario - Quebec border.
By 3:00 a.m. EDT Saturday ridge located on a line north-south
over Montréal.

At 3:00 a.m. EDT today cold front located from Thunder Bay to
Missouri.
By 3:00 a.m. EDT Saturday cold front located on a line north-south
over Lake Erie.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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