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Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 14 May 2026

Today Tonight and Friday.

Wind northwest 15 knots diminishing to northwest 10 near noon then becoming light early Friday morning. Wind becoming southwest 10 near noon Friday then increasing to southwest 15 Friday evening.

Scattered showers ending near midnight. Fog patches dissipating Friday morning.

Waves

Issued 10:30 AM EDT 14 May 2026
Today Tonight and Friday. Waves 0.5 to 1 metre subsiding to 0.5 or less this afternoon.

Extended Forecast

Issued 03:00 AM EDT 14 May 2026
Saturday Wind southwest 15 knots.
Sunday Wind light.
Monday Wind southeast 15 knots.

Ice Forecast*

Issued 12:00 PM EDT 14 May 2026 Today Tonight and Friday Ice free.

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

 

[ Canadian Ice Service ]

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Map of Great Lakes - Lake Huron marine weather areas Wiarton Airport Western Islands Cove Island Goderich Lake Simcoe Regional Airport Vineland Station Parry Sound Harbour Sarnia Chris Hadfield Airport Tobermory Muskoka Airport Harrow AAFC Long Point Port Weller St. Catharines / Niagara District Airport Lagoon City Southeast Shoal Burlington Lift Bridge Welland-Pelham Windsor Airport Port Colborne Erieau Peterborough Municipal Airport CFB Trenton Toronto City Centre Airport Point Petre Oshawa Executive Airport Hamilton Munro Int'l Airport Point Pelee Cobourg Port Colborne - 45142 North Channel - 45154 Ajax - 45159 Lake Nipissing - 45152 Sault Ste. Marie Airport Killarney Lake Simcoe - 45151 Greater Sudbury Airport South Lake Huron - 45149 Lake St Clair - 45147 North Bay Airport South Georgian Bay - 45143 Gore Bay-Manitoulin Airport Grimsby - 45139 Georgian Bay - 45137 Great Duck Island Collingwood Kingston Airport Grenadier Island Brockville Prince Edward Point - 45135 Port Stanley - 45132
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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 14 May 2026 Today Tonight and Friday

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 14 May 2026 Today Tonight and Friday At 10:30 a.m. EDT today low 1009 mb located near Montréal.
By 10:30 a.m. EDT Friday low 1009 mb located east of New York State.

At 10:30 a.m. EDT today ridge located on a line north-south over
Lake Superior.
By 10:30 a.m. EDT Friday ridge located on a line northeast-southwest
over southern Ontario.

At 10:30 a.m. EDT today low 982 mb located over Saskatchewan.
By 10:30 a.m. EDT Friday low 985 mb located over the northern
Ontario - Manitoba border.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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