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Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 02 June 2025

Today Tonight and Tuesday.

Wind southwest 10 knots increasing to west 15 early this morning then diminishing to southwest 10 early this evening. Wind becoming light near noon Tuesday then becoming south 10 Tuesday evening.

Waves

Issued 03:00 AM EDT 02 June 2025
Today Tonight and Tuesday. Waves 0.5 metres building to 1 this morning then subsiding to 0.5 or less this evening.

Extended Forecast

Issued 03:00 AM EDT 02 June 2025
Wednesday Wind light becoming southwest 15 knots in the morning then diminishing to light late in the day.
Thursday Wind light.
Friday Wind light.

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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:
buoy Buoy
land station Land Station
Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 16 May 2025 Forecasts have ended for the season.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 2 June 2025 Today Tonight and Tuesday At 3:00 a.m. EDT today ridge located on a line north-south over
Whitefish Bay.
By 3:00 a.m. EDT Tuesday ridge located on a line northeast-southwest
over Pennsylvania.

At 3:00 a.m. EDT today trough located on a line northeast-southwest
over Lake of the Woods.
By 3:00 a.m. EDT Tuesday trough located on a line
northeast-southwest over western Lake Superior.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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