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Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 17 June 2021

Tonight and Friday.

Strong wind warning in effect.

Wind southwest 15 knots increasing to southwest 20 Friday morning then diminishing to southwest 15 Friday afternoon.

Scattered showers Friday afternoon and evening with a risk of thunderstorms.

Waves

Issued 06:30 PM EDT 17 June 2021
Tonight and Friday. Waves one half metre building to one near noon Friday then subsiding to one half metre Friday evening.

Extended Forecast

Issued 06:30 PM EDT 17 June 2021
Saturday Wind southwest 15 knots.
Sunday Wind southwest 15 knots diminishing to light.
Monday Wind south 15 knots diminishing to light.

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Map of Great Lakes - Lake Huron 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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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

Warnings (In effect)

Strong wind warning in effect

Western Lake Ontario

Issued 6:30 PM EDT 17 June 2021

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 17 June 2021 Tonight and Friday At 6:30 p.m. EDT tonight ridge located on a line northeast-southwest
over western Pennsylvania.
By 6:30 p.m. EDT Friday ridge located on a line northeast-southwest
over the Eastern Seaboard.

At 6:30 p.m. EDT tonight trough located on a line
northeast-southwest over western Lake Superior.
By 6:30 p.m. EDT Friday trough located on a line northeast-southwest
over northeastern Ontario.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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