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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 15 April 2026

Tonight and Thursday.

Wind south 10 knots veering to southwest 10 near midnight then increasing to southwest 15 near noon Thursday. Wind diminishing to north 10 Thursday evening.

Scattered showers with a risk of thunderstorms changing to drizzle Thursday evening. Fog patches.

Waves

Issued 06:30 PM EDT 15 April 2026
Tonight and Thursday. Waves 0.5 metres or less building to 0.5 to 1 Thursday afternoon then subsiding to 0.5 or less Thursday evening.

Extended Forecast

Issued 06:30 PM EDT 15 April 2026
Friday Wind north 15 knots diminishing to light in the morning.
Saturday Wind south 25 knots becoming northwest 25 late in the day.
Sunday Wind northwest 25 knots.

Ice Forecast*

Issued 12:00 PM EDT 15 April 2026 Today Tonight and Thursday 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 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
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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 15 April 2026 Today Tonight and Thursday

Ice Coverage

Ice free.

Ice Forecasts

Northern Lake Michigan

Issued 12:00 PM EDT 15 April 2026 Today Tonight and Thursday

Ice Coverage

Open water except 1 tenth thick lake ice north of and east of Beaver
Island. 8 tenths rotten thick lake ice in and near the Straits of
Mackinac.

Ice Forecasts

Southern Lake Michigan

Issued 12:00 PM EDT 15 April 2026 Today Tonight and Thursday

Ice Coverage

Ice free.

Ice Forecasts

Green Bay

Issued 12:00 PM EDT 15 April 2026 Today Tonight and Thursday

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 6:30 PM EDT 15 April 2026 Tonight and Thursday At 6:30 p.m. EDT tonight trough located on a line
northeast-southwest over Lower Michigan.
By 6:30 p.m. EDT Thursday low 1004 mb located over Lake Simcoe.

At 6:30 p.m. EDT tonight low 999 mb located over Lake Winnipeg.
By 6:30 p.m. EDT Thursday low 1007 mb located over northern Quebec.

By 6:30 p.m. EDT Thursday approaching trough located on a line
northeast-southwest over northwestern Ontario.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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