Eastern Lake Ontario

Forecast

Marine Forecast

Issued 03:00 AM EST 21 February 2017

Today Tonight and Wednesday

Wind southeast 15 knots increasing to southeast 25 this morning then veering to south 20 this afternoon. Wind diminishing to south 10 near midnight.

Periods of rain beginning this afternoon and ending overnight. Fog patches forming overnight and dissipating Wednesday afternoon.

Waves

Issued 03:00 AM EST 21 February 2017
Today Tonight and Wednesday Waves one half metre or less building to one early this morning then subsiding to less than one half metre overnight.

Extended Forecast

Issued 03:00 AM EST 21 February 2017
Thursday Wind southwest 15 knots veering to northwest 15 in the afternoon.
Friday Wind north 15 knots veering to northeast 20.
Saturday Wind east 20 knots increasing to southwest 30.

Ice Forecast*

Issued 12:00 PM EST 20 February 2017 Today Tonight and Tuesday Open water. 9 tenths of new lake ice including 4 tenths of thin lake ice in the St. Lawrence River. Consolidated medium lake ice in the Bay Of Quinte and some bays in the eastern section.

*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 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 February 2017 Today Tonight and Tuesday

Ice Coverage

Open water. 9 tenths of new lake ice including 4 tenths of thin lake
ice in the St. Lawrence River. Consolidated medium lake ice in the
Bay Of Quinte and some bays in the eastern section.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EST 21 February 2017 Today Tonight and Wednesday At 3:00 a.m. EST today ridge located on a line north-south over
central Quebec.
By 3:00 a.m. EST Wednesday ridge located on a line
northeast-southwest over Nova Scotia.

At 3:00 a.m. EST today low 994 mb located over northern Ontario.
By 3:00 a.m. EST Wednesday low 988 mb located over eastern
Hudson Bay.

At 3:00 a.m. EST today departing trough located from the low
to Wisconsin.

At 3:00 a.m. EST today low 1001 mb located over southern Alberta.
By 3:00 a.m. EST Wednesday low 1001 mb located over northern
Minnesota.

Great Lakes - Lake Erie and Lake Ontario Area

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