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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 17 April 2026

Today Tonight and Saturday.

Wind light increasing to southeast 15 knots early this evening and to southeast 25 near midnight. Wind veering to south 25 Saturday morning then to west 20 near noon Saturday.

Showers Saturday with a risk of thunderstorms. Fog patches dissipating this evening. Fog patches forming near midnight and dissipating Saturday afternoon.

Waves

Issued 03:00 AM EDT 17 April 2026
Today Tonight and Saturday. Waves 0.5 metres or less building to 0.5 to 1 this evening and to 1.5 overnight. Waves building to 2 Saturday morning then subsiding to 1 Saturday afternoon.

Extended Forecast

Issued 03:00 AM EDT 17 April 2026
Sunday Wind northwest 20 knots increasing to northwest 25 in the afternoon.
Monday Wind northwest 20 knots diminishing to light late in the day.
Tuesday Wind south 25 knots.

Ice Forecast*

Issued 12:00 PM EDT 16 April 2026 Today Tonight and Friday Ice free.

*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 Wiarton Airport Western Islands Cove Island Goderich Lake Simcoe Regional Airport Vineland Station Parry Sound Harbour Sarnia Chris Hadfield Airport Tobermory Muskoka Airport Harrow AAFC Long Point Port Weller St. Catharines / Niagara District Airport Lagoon City Southeast Shoal Burlington Lift Bridge Welland-Pelham Windsor Airport Port Colborne Erieau Peterborough Municipal Airport CFB Trenton Toronto City Centre Airport Point Petre Oshawa Executive Airport Hamilton Munro Int'l Airport Point Pelee Cobourg Port Colborne - 45142 North Channel - 45154 Ajax - 45159 Lake Nipissing - 45152 Sault Ste. Marie Airport Killarney Lake Simcoe - 45151 Greater Sudbury Airport South Lake Huron - 45149 Lake St Clair - 45147 North Bay Airport South Georgian Bay - 45143 Gore Bay-Manitoulin Airport Grimsby - 45139 Georgian Bay - 45137 Great Duck Island Collingwood Kingston Airport Grenadier Island Brockville Prince Edward Point - 45135 Port Stanley - 45132
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 16 April 2026 Today Tonight and Friday

Ice Coverage

Ice free.

Ice Forecasts

Northern Lake Michigan

Issued 12:00 PM EDT 16 April 2026 Today Tonight and Friday

Ice Coverage

Open water except 1 tenth thick lake ice north of and east of Beaver
Island. 7 tenths rotten thick lake ice in and near the Straits of
Mackinac.

Ice Forecasts

Southern Lake Michigan

Issued 12:00 PM EDT 16 April 2026 Today Tonight and Friday

Ice Coverage

Ice free.

Ice Forecasts

Green Bay

Issued 12:00 PM EDT 16 April 2026 Today Tonight and Friday

Ice Coverage

Open water. Consolidated rotten thick lake ice in Bays de Noc.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 17 April 2026 Today Tonight and Saturday At 3:00 a.m. EDT today departing trough located on a line
northeast-southwest over New England.

At 3:00 a.m. EDT today ridge located on a line north-south over
Lake Michigan.
By 3:00 a.m. EDT Saturday ridge located on a line
northeast-southwest over the St. Lawrence River.

At 3:00 a.m. EDT today low 994 mb located over western Nebraska.
By 3:00 a.m. EDT Saturday low 994 mb located over northern Ontario.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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