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Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 23 June 2021

Today Tonight and Thursday.

Wind light becoming southwest 15 knots this afternoon then diminishing to southwest 10 near midnight. Wind increasing to south 15 Thursday afternoon.

Waves

Issued 03:00 AM EDT 23 June 2021
Today Tonight and Thursday. Waves one half metre or less.

Extended Forecast

Issued 03:00 AM EDT 23 June 2021
Friday Wind south 15 knots.
Saturday Wind south 15 knots veering to southwest 20.
Sunday Wind southwest 15 knots.

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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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land station Land Station
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 23 June 2021 Today Tonight and Thursday At 3:00 a.m. EDT today ridge located on a line northeast-southwest
over southern Ontario.
By 3:00 a.m. EDT Thursday ridge located on a line
northeast-southwest over New England.

At 3:00 a.m. EDT today trough located on a line northeast-southwest
over northern Manitoba.
By 3:00 a.m. EDT Thursday trough located on a line
northeast-southwest over Lake Nipigon.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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