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Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 01 August 2021

Today Tonight and Monday.

Wind southeast 15 knots diminishing to southwest 10 early this morning then becoming light near noon. Wind becoming north 15 this evening then diminishing to northwest 10 Monday morning. Wind increasing to west 15 Monday afternoon.

Scattered showers ending this morning. Risk of thunderstorms and waterspouts today and tonight.

Waves

Issued 03:00 AM EDT 01 August 2021
Today Tonight and Monday. Waves one half to one metre subsiding to one half metre or less this morning then building to one half to one metre near midnight.

Extended Forecast

Issued 03:00 AM EDT 01 August 2021
Tuesday Wind light.
Wednesday Wind light.
Thursday Wind 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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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 1 August 2021 Today Tonight and Monday At 3:00 a.m. EDT today low 1009 mb located over southwestern
Ontario.
By 3:00 a.m. EDT Monday low 1010 mb located over New England.

At 3:00 a.m. EDT today ridge located on a line north-south over
Saskatchewan.
By 3:00 a.m. EDT Monday ridge located from Quebec to Nebraska.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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