Eastern Lake Ontario

Forecast

Marine Forecast

Issued 10:30 AM EST 21 January 2018

Today Tonight and Monday.

Wind light becoming east 10 knots late overnight then increasing to northeast 20 Monday morning.

Chance of drizzle beginning early this evening changing to periods of rain or drizzle late overnight then to periods of rain or freezing rain near noon Monday and ending Monday evening. Fog patches forming near midnight and dissipating early Monday morning.

Waves

Issued 10:30 AM EST 21 January 2018
Today Tonight and Monday. Over open water waves less than one half metre building to one near noon Monday.

Extended Forecast

Issued 03:00 AM EST 21 January 2018
Tuesday Wind light increasing to southwest 25 knots in the afternoon.
Wednesday Wind northwest 30 knots diminishing to light late in the day.
Thursday Wind light.

Ice Forecast*

Issued 12:00 PM EST 21 January 2018 Today Tonight and Monday Open water except 9 tenths thin lake ice including 4 tenths medium lake ice in the northeastern section. Consolidated medium lake ice including 2 tenths thick lake ice in the Bay Of Quinte.

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

 

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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 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 Goderich Sarnia Chris Hadfield Airport Tobermory Harrow AAFC Port Weller St. Catharines Airport Southeast Shoal Vineland Station Welland-Pelham Windsor Airport Burlington Lift Bridge Cobourg Hamilton Munro Int'l Airport Oshawa Executive Airport Point Petre Toronto City Centre Airport CFB Trenton Peterborough Municipal Airport Killarney Western Islands Cove Island Long Point Port Colborne Erieau Point Pelee
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Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EST 21 January 2018 Today Tonight and Monday

Ice Coverage

Open water except 9 tenths thin lake ice including 4 tenths medium
lake ice in the northeastern section. Consolidated medium lake ice
including 2 tenths thick lake ice in the Bay Of Quinte.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EST 21 January 2018 Today Tonight and Monday At 10:30 a.m. EST today ridge located on a line northwest-southeast
over northern Ontario.
By 10:30 a.m. EST Monday ridge located on a line east-west over
southern James Bay.

At 10:30 a.m. EST today low 1004 mb located over northwestern
Oklahoma.
By 10:30 a.m. EST Monday low 996 mb located over northwestern
Missouri.

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