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Northern Lake Huron

Forecast

Marine Forecast

Issued 03:00 AM EDT 17 April 2025

Today Tonight and Friday.

Wind northwest 10 knots becoming variable 10 early this morning then increasing to southeast 15 early this evening. Wind veering to south 20 near midnight then increasing to south 25 Friday morning. Wind diminishing to south 15 Friday afternoon and to variable 10 Friday evening.

Scattered showers overnight and Friday with a risk of thunderstorms. Fog patches forming Friday evening.

Waves

Issued 03:00 AM EDT 17 April 2025
Today Tonight and Friday. Waves 1.5 to 2 metres.

Extended Forecast

Issued 03:00 AM EDT 17 April 2025
Saturday Wind southwest 15 knots veering to northwest 20 in the morning.
Sunday Wind north 15 knots.
Monday Wind southeast 25 knots veering to southwest 20 late in the day.

Ice Forecast*

Issued 12:00 PM EDT 16 April 2025 Today Tonight and Thursday Open water except 1 tenth thick lake ice near North Channel.

*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
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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 16 April 2025 Today Tonight and Thursday

Ice Coverage

Open water except 1 tenth thick lake ice near North Channel.

Ice Forecasts

Northern Lake Michigan

Issued 12:00 PM EDT 16 April 2025 Today Tonight and Thursday

Ice Coverage

Open water.

Ice Forecasts

Southern Lake Michigan

Issued 12:00 PM EDT 16 April 2025 Today Tonight and Thursday

Ice Coverage

Ice free.

Ice Forecasts

Green Bay

Issued 12:00 PM EDT 16 April 2025 Today Tonight and Thursday

Ice Coverage

Open water except 1 tenth 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 2025 Today Tonight and Friday At 3:00 a.m. EDT today ridge located on a line north-south over
Whitefish Bay.
By 3:00 a.m. EDT Friday ridge located on a line north-south over
the St. Lawrence River.

At 3:00 a.m. EDT today low 998 mb located over South Dakota.
By 3:00 a.m. EDT Friday trough from 994 mb low located on a line
northeast-southwest over western Lake Superior.

Great Lakes - Lake Erie and Lake Ontario Area

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