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Southern Lake Huron

Forecast

Marine Forecast

Issued 06:30 PM EDT 18 April 2025

Tonight and Saturday.

Wind southwest 15 knots veering to northwest 15 early Saturday morning then increasing to northwest 20 Saturday evening.

Showers and fog patches ending near noon Saturday with a risk of thunderstorms.

Waves

Issued 06:30 PM EDT 18 April 2025
Tonight and Saturday. Waves 1 to 1.5 metres subsiding to 1 this evening becoming 2 Saturday morning except 1 over southern sections. Waves subsiding to 1.5 Saturday evening.

Extended Forecast

Issued 06:30 PM EDT 18 April 2025
Sunday Wind northwest 15 knots diminishing to light in the morning then becoming northeast 15 late in the day.
Monday Wind southeast 25 knots veering to southwest 25 late in the day.
Tuesday Wind southwest 25 knots diminishing to northwest 15.

Ice Forecast*

Issued 12:00 PM EDT 18 April 2025 Today Tonight and Saturday Ice free.

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

    

[ Canadian Ice Service ]

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Weather Conditions

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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
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 18 April 2025 Today Tonight and Saturday

Ice Coverage

Ice free.

Ice Forecasts

Northern Lake Michigan

Issued 12:00 PM EDT 18 April 2025 Today Tonight and Saturday

Ice Coverage

Open water.

Ice Forecasts

Southern Lake Michigan

Issued 12:00 PM EDT 18 April 2025 Today Tonight and Saturday

Ice Coverage

Ice free.

Ice Forecasts

Green Bay

Issued 12:00 PM EDT 18 April 2025 Today Tonight and Saturday

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 6:30 PM EDT 18 April 2025 Tonight and Saturday At 6:30 p.m. EDT tonight trough located on a line
northeast-southwest over northeastern Ontario.
By 6:30 p.m. EDT Saturday trough located on a line
northeast-southwest over the Eastern Seaboard.

At 6:30 p.m. EDT tonight ridge located on a line northeast-southwest
over Manitoba.
By 6:30 p.m. EDT Saturday ridge located on a line north-south over
Lake Superior.

Great Lakes - Lake Erie and Lake Ontario Area

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