Lake Ontario

Forecast

Marine Forecast

Issued 03:00 AM EST 21 January 2017

Today Tonight and Sunday

Wind southwest 10 knots becoming light this morning then becoming east 10 this evening. Wind increasing to northeast 15 overnight and to northeast 25 Sunday afternoon.

Chance of drizzle today tonight and Sunday morning. Fog patches dissipating near noon Sunday.

Waves

Issued 03:00 AM EST 21 January 2017
Today Tonight and Sunday Waves less than one half metre building to one Sunday morning and to 2 Sunday evening.

Extended Forecast

Issued 03:00 AM EST 21 January 2017
Monday Wind northeast 25 knots.
Tuesday Wind northeast 20 knots backing to northwest 15.
Wednesday Wind west 15 knots.

Ice Forecast*

Issued 12:00 PM EST 20 January 2017 Today Tonight and Saturday Open water except 4 tenths of thin lake ice along parts of the eastern shore. Consolidated medium lake ice in the Bay Of Quinte.

*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 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 Municipal 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 20 January 2017 Today Tonight and Saturday

Ice Coverage

Open water except 4 tenths of thin lake ice along parts of the
eastern shore. Consolidated medium lake ice in the Bay Of Quinte.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EST 21 January 2017 Today Tonight and Sunday At 3:00 a.m. EST today departing ridge located on a line
northeast-southwest over the Eastern Seaboard.

At 3:00 a.m. EST today dissipating trough located on a line
east-west over northeastern Ontario.

At 3:00 a.m. EST today low 994 mb located over South Dakota.
By 3:00 a.m. EST Sunday low 999 mb located over Wisconsin.

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