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Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 15 May 2025

Today Tonight and Friday.

Wind east 10 knots becoming light near noon then becoming east 10 Friday evening.

Scattered showers today. Showers overnight and Friday morning with a risk of thunderstorms. Fog patches.

Waves

Issued 03:00 AM EDT 15 May 2025
Today Tonight and Friday. Waves 0.5 metres or less.

Extended Forecast

Issued 03:00 AM EDT 15 May 2025
Saturday Wind light becoming southwest 15 knots in the morning.
Sunday Wind west 15 knots.
Monday Wind north 15 knots diminishing to light.

Ice Forecast*

Issued 12:00 PM EDT 14 May 2025 Today Tonight and Thursday 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 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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Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 14 May 2025 Today Tonight and Thursday

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 15 May 2025 Today Tonight and Friday At 3:00 a.m. EDT today departing ridge located on a line
northwest-southeast over Lake Nipissing.

At 3:00 a.m. EDT today low 992 mb located over Nebraska.
By 3:00 a.m. EDT Friday high 980 mb located over eastern North
Dakota.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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