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Northern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 16 April 2026

Today Tonight and Friday.

Wind light becoming northwest 15 knots early this evening then diminishing to north 10 near midnight. Wind veering to east 10 Friday morning then increasing to southeast 15 Friday afternoon.

Showers with a risk of thunderstorms changing to drizzle this evening and ending Friday morning. Fog patches dissipating Friday evening.

Waves

Issued 03:00 AM EDT 16 April 2026
Today Tonight and Friday. Waves 0.5 metres or less building to 0.5 to 1 early this evening then subsiding to 0.5 or less overnight. Waves building to 0.5 to 1 Friday afternoon.

Extended Forecast

Issued 03:00 AM EDT 16 April 2026
Saturday Wind south 25 knots becoming northwest 25 in the afternoon.
Sunday Wind northwest 20 knots increasing to northwest 25.
Monday Wind northwest 20 knots diminishing to light.

Ice Forecast*

Issued 12:00 PM EDT 15 April 2026 Today Tonight and Thursday Open water except 1 tenth thick lake ice in the northwestern section. Consolidated rotten thick lake ice along parts of the northwestern shore.

*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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Ice Conditions

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

Ice Forecasts

Northern Lake Huron

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

Ice Coverage

Open water except 1 tenth thick lake ice in the northwestern
section. Consolidated rotten thick lake ice along parts of the
northwestern shore.

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 3:00 AM EDT 16 April 2026 Today Tonight and Friday At 3:00 a.m. EDT today trough located on a line east-west over
southern Ontario.
By 3:00 a.m. EDT Friday trough located on a line east-west over
New England.

At 3:00 a.m. EDT today low 1005 mb located over northwestern
Ontario.
By 3:00 a.m. EDT Friday low 1007 mb located over northern Quebec.

At 3:00 a.m. EDT today low 998 mb located over eastern Montana.
By 3:00 a.m. EDT Friday low 998 mb located over eastern South
Dakota.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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