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Western Lake Ontario

Forecast

Marine Forecast

Issued 06:30 PM EDT 17 April 2025

Tonight and Friday.

Wind variable 10 knots becoming southeast 10 near midnight then increasing to southwest 15 Friday afternoon.

Showers Friday afternoon and evening.

Waves

Issued 06:30 PM EDT 17 April 2025
Tonight and Friday. Waves 0.5 metres or less building to 0.5 to 1 Friday evening.

Extended Forecast

Issued 06:30 PM EDT 17 April 2025
Saturday Wind southwest 20 knots.
Sunday Wind west 20 knots diminishing to light late in the day.
Monday Wind light increasing to east 20 knots.

Ice Forecast*

Issued 12:00 PM EDT 17 April 2025 Today Tonight and Friday 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 Huron marine weather areas Cove Island Goderich Oshawa Executive Airport CFB Trenton Western Islands Wiarton Airport Point Petre Lake Simcoe Regional Airport Parry Sound Harbour Toronto City Centre Airport Muskoka Airport Lagoon City Brockville Hamilton Munro Int'l Airport Sarnia Chris Hadfield Airport Tobermory Cobourg Harrow AAFC Long Point Port Weller Burlington Lift Bridge St. Catharines / Niagara District Airport Southeast Shoal Point Pelee Vineland Station Welland-Pelham Erieau Windsor Airport Port Colborne Killarney South Georgian Bay - 45143 Grimsby - 45139 Georgian Bay - 45137 Prince Edward Point - 45135 Port Stanley - 45132 Lake St Clair - 45147 South Lake Huron - 45149 Sault Ste. Marie Airport Lake Simcoe - 45151 Collingwood Greater Sudbury Airport North Bay Airport Kingston Airport Peterborough Municipal Airport Grenadier Island Port Colborne - 45142 Great Duck Island Ajax - 45159 Gore Bay-Manitoulin Airport North Channel - 45154 Lake Nipissing - 45152
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land station Land Station
Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 17 April 2025 Today Tonight and Friday

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 17 April 2025 Tonight and Friday At 6:30 p.m. EDT tonight ridge located on a line north-south
over Kingston.
By 6:30 p.m. EDT Friday departing ridge located on a line
north-south over the Maritimes.

At 6:30 p.m. EDT tonight trough located on a line
northeast-southwest over Minnesota.
By 6:30 p.m. EDT Friday trough located on a line northeast-southwest
over North Channel.

Great Lakes - Lake Huron Area

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