Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 21 March 2019

Today Tonight and Friday.

Wind south 15 knots backing to southeast 15 early this morning then diminishing to southeast 10 near noon. Wind increasing to southeast 15 early this evening then becoming west 15 near midnight. Wind veering to northwest 20 Friday morning then increasing to northwest 25 Friday afternoon.

Periods of rain changing to rain or snow Friday morning and afternoon then to periods of snow Friday afternoon. Visibility 1 mile or less in snow.

Waves

Issued 03:00 AM EDT 21 March 2019
Today Tonight and Friday. Over open water waves one half metre building to one near noon Friday.

Extended Forecast

Issued 03:00 AM EDT 21 March 2019
Saturday Wind northwest 25 knots.
Sunday Wind west 20 knots.
Monday Wind north 20 knots diminishing to light.

Ice Forecast*

Issued 12:00 PM EDT 20 March 2019 Today Tonight and Thursday Open water except 8 tenths medium lake ice in some bays and along the shore of the northeastern section. Rotten medium lake ice including 4 tenths thick lake ice in the Bay Of Quinte and the St. Lawrence River and approaches.

*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 20 March 2019 Today Tonight and Thursday

Ice Coverage

Open water except 8 tenths medium lake ice in some bays and along
the shore of the northeastern section. Rotten medium lake ice
including 4 tenths thick lake ice in the Bay Of Quinte and the St.
Lawrence River and approaches.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 21 March 2019 Today Tonight and Friday At 3:00 a.m. EDT today quasi-stationary ridge located southeast
of Nova Scotia.

At 3:00 a.m. EDT today low 1012 mb located over southern Lake
Michigan.
By 3:00 a.m. EDT Friday low 996 mb located east of Pennsylvania.

At 3:00 a.m. EDT today trough located on a line northeast-southwest
over central Manitoba.
By 3:00 a.m. EDT Friday trough located on a line northeast-southwest
over Georgian Bay.

Great Lakes - Lake Erie and Lake Ontario Area

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