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Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EST 19 January 2021

Today Tonight and Wednesday.

Wind southwest 25 knots veering to west 30 this afternoon then diminishing to west 20 near midnight. Wind veering to northwest 20 late overnight then backing to west 15 Wednesday afternoon. Wind backing to southwest 15 Wednesday evening.

Flurries ending Wednesday morning.

Waves

Issued 10:30 AM EST 19 January 2021
Today Tonight and Wednesday. Waves one half metre building to one and one half metres near noon and to 2 this afternoon. Waves subsiding to one and one half metres early Wednesday morning and to one Wednesday evening.

Extended Forecast

Issued 03:00 AM EST 19 January 2021
Thursday Wind southwest 25 knots increasing to southwest 30 in the afternoon.
Friday Wind west 25 knots.
Saturday Wind northwest 25 knots diminishing to northwest 15 late in the day.

Ice Forecast*

Issued 12:00 PM EST 19 January 2021 Today Tonight and Wednesday Open water except 8 tenths thin lake ice in some sheltered bays in the northeastern section.

*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 EST 19 January 2021 Today Tonight and Wednesday

Ice Coverage

Open water except 8 tenths thin lake ice in some sheltered bays in
the northeastern section.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EST 19 January 2021 Today Tonight and Wednesday At 10:30 a.m. EST today low 1013 mb located over Lake Nipissing.
By 10:30 a.m. EST Wednesday departing low 1007 mb located over
southern Nova Scotia.

At 10:30 a.m. EST today ridge located on a line northeast-southwest
over Manitoba.
By 10:30 a.m. EST Wednesday ridge located on a line
northeast-southwest over southwestern Ontario.

By 10:30 a.m. EST Wednesday approaching low 984 mb located near
the Ontario - Manitoba border.

Great Lakes - Lake Erie and Lake Ontario Area

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