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Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 11 April 2021

Today Tonight and Monday.

Wind east 10 knots increasing to east 15 this morning then diminishing to variable 10 this afternoon. Wind increasing to east 15 this evening. Wind east 15 Monday.

Showers and fog patches beginning early this morning. Risk of thunderstorms today and early this evening.

Waves

Issued 03:00 AM EDT 11 April 2021
Today Tonight and Monday. Waves one half to one metre.

Extended Forecast

Issued 03:00 AM EDT 11 April 2021
Tuesday Wind east 15 knots diminishing to light in the morning then becoming west 15 late in the day.
Wednesday Wind west 15 knots.
Thursday Wind light becoming west 15 knots.

Ice Forecast*

Issued 12:00 PM EDT 10 April 2021 Today Tonight and Sunday Open water.

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

 

[ Canadian Ice Service ]

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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 10 April 2021 Today Tonight and Sunday

Ice Coverage

Open water.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 11 April 2021 Today Tonight and Monday At 3:00 a.m. EDT today low 991 mb located over northern Illinois.
By 3:00 a.m. EDT Monday low 1001 mb located over northern Lake
Michigan.

At 3:00 a.m. EDT today quasi-stationary trough from low located
on a line northwest-southeast over Lake Erie.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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