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Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 15 June 2021

Today Tonight and Wednesday.

Wind northwest 15 knots diminishing to northwest 10 this morning then increasing to north 15 this afternoon. Wind diminishing to northwest 10 Wednesday morning then increasing to west 15 Wednesday afternoon. Wind veering to northwest 15 Wednesday evening.

Showers ending near noon.

Waves

Issued 03:00 AM EDT 15 June 2021
Today Tonight and Wednesday. Waves one half metre.

Extended Forecast

Issued 03:00 AM EDT 15 June 2021
Thursday Wind northwest 15 knots backing to southwest 15 in the afternoon.
Friday Wind southwest 15 knots increasing to southwest 20.
Saturday Wind southwest 15 knots veering to west 20.

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Map of Great Lakes - Lake Erie and Lake Ontario marine weather areas N Huron - 45003 W Erie - 45005 S Huron - 45008 Lake Ontario - 45012 Port Stanley - 45132 Prince Edward Point - 45135 Georgian Bay - 45137 Grimsby - 45139 Port Colborne - 45142 South Georgian Bay - 45143 Lake St Clair - 45147 South Lake Huron - 45149 Lake Simcoe - 45151 Lake Nipissing - 45152 North Channel - 45154 Ajax - 45159 Sault Ste. Marie Airport Killarney Greater Sudbury Airport North Bay Airport Gore Bay-Manitoulin Airport Great Duck Island Brockville Grenadier Island Kingston Airport Collingwood Lagoon City Muskoka Airport Parry Sound Harbour Lake Simcoe Regional Airport Wiarton Airport Western Islands Cove Island Goderich Sarnia Chris Hadfield Airport Tobermory Harrow AAFC Long Point Port Weller St. Catharines / Niagara District Airport Southeast Shoal Vineland Station Welland-Pelham Windsor Airport Port Colborne Erieau Point Pelee Burlington Lift Bridge Cobourg Hamilton Munro Int'l Airport Oshawa Executive Airport Point Petre Toronto City Centre Airport CFB Trenton Peterborough Municipal Airport
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» US Marine Weather
Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 9 May 2021 Forecasts have ended for the season.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 15 June 2021 Today Tonight and Wednesday At 3:00 a.m. EDT today trough located on a line northeast-southwest
over eastern Lake Ontario.
By 3:00 a.m. EDT Wednesday trough located on a line
northeast-southwest over New Brunswick.

At 3:00 a.m. EDT today ridge located on a line north-south over
Lake of the Woods.
By 3:00 a.m. EDT Wednesday ridge located on a line north-south
over Lake Superior.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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