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Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 24 July 2021

Today Tonight and Sunday.

Wind light becoming southeast 10 knots this morning then increasing to southwest 15 this evening. Wind diminishing to southwest 10 near noon Sunday.

Showers tonight and Sunday morning with a risk of thunderstorms.

Waves

Issued 03:00 AM EDT 24 July 2021
Today Tonight and Sunday. Waves one half metre or less building to one half to one metre near midnight then subsiding to one half metre or less Sunday afternoon.

Extended Forecast

Issued 03:00 AM EDT 24 July 2021
Monday Wind southwest 15 knots diminishing to light in the morning then becoming southwest 15 in the afternoon.
Tuesday Wind southwest 15 knots diminishing to light.
Wednesday Wind light becoming west 15 knots.

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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

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 24 July 2021 Today Tonight and Sunday At 3:00 a.m. EDT today departing ridge located on a line
northeast-southwest over Pennsylvania.

At 3:00 a.m. EDT today trough located on a line northeast-southwest
over northwestern Ontario.
By 3:00 a.m. EDT Sunday trough located on a line northeast-southwest
over Lake Erie.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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