Eastern Lake Ontario

Forecast

Marine Forecast

Issued 10:30 AM EDT 21 March 2019

Today Tonight and Friday.

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

Periods of rain beginning this afternoon 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 10:30 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 21 March 2019 Today Tonight and Friday 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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Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 21 March 2019 Today Tonight and Friday

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 10:30 AM EDT 21 March 2019 Today Tonight and Friday At 10:30 a.m. EDT today departing ridge located on a line east-west
over New England.

At 10:30 a.m. EDT today merging low 1011 mb located over Ohio.
At 10:30 a.m. EDT today merging low 1009 mb located over North
Carolina.
By 10:30 a.m. EDT Friday low 986 mb located south of New Hampshire.

At 10:30 a.m. EDT today ridge located on a line north-south over
Saskatchewan.
By 10:30 a.m. EDT Friday ridge located on a line north-south over
northwestern Ontario.

Great Lakes - Lake Erie and Lake Ontario Area

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