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Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 27 April 2025

Today Tonight and Monday.

Wind northwest 15 knots diminishing to northwest 10 early this evening then becoming light late overnight. Wind becoming east 10 Monday afternoon then increasing to south 15 Monday evening.

Waves

Issued 10:30 AM EDT 27 April 2025
Today Tonight and Monday. Waves 0.5 to 1 metre subsiding to 0.5 or less this evening.

Extended Forecast

Issued 03:00 AM EDT 27 April 2025
Tuesday Wind south 15 knots increasing to southwest 25 late in the day.
Wednesday Wind southwest 25 knots diminishing to light.
Thursday Wind light.

Ice Forecast*

Issued 12:00 PM EDT 27 April 2025 Today Tonight and Monday 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 27 April 2025 Today Tonight and Monday

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 27 April 2025 Today Tonight and Monday At 10:30 a.m. EDT today departing low 1000 mb located southwest
of New Brunswick.

At 10:30 a.m. EDT today high 1029 mb located over Ohio.
By 10:30 a.m. EDT Monday high 1028 mb located over Virginia.

By 10:30 a.m. EDT Monday approaching trough located on a line
northeast-southwest over northern Ontario.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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