Eastern Lake Ontario

Forecast

Marine Forecast

Issued 03:00 AM EST 14 December 2017

Today Tonight and Friday.

Wind north 15 knots backing to northwest 15 early this morning then to west 20 near noon. Wind backing to southwest 15 overnight then increasing to southwest 20 Friday morning. Wind increasing to southwest 25 Friday afternoon.

Periods of snow changing to chance of flurries today then to flurries at times heavy near midnight. Visibility 1 mile or less in precipitation.

Waves

Issued 03:00 AM EST 14 December 2017
Today Tonight and Friday. Waves one metre building to one and one half metres this afternoon then subsiding to one Friday morning. Waves building to one and one half metres near noon Friday and to 2 Friday evening.

Extended Forecast

Issued 03:00 AM EST 14 December 2017
Saturday Wind west 30 knots diminishing to northwest 20 in the morning and to light late in the day.
Sunday Wind light increasing to south 20 knots.
Monday Wind southwest 25 knots diminishing to west 15.

Ice Forecast*

Issued 12:00 PM EST 13 December 2017 Today Tonight and Thursday Ice free.

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

 

[ Canadian Ice Service ]

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Weather Conditions

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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 13 December 2017 Today Tonight and Thursday

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EST 14 December 2017 Today Tonight and Friday At 3:00 a.m. EST today low 999 mb located over southern
Pennsylvania.
By 6:30 p.m. EST tonight departing low 995 mb located southeast
of Nova Scotia.

At 3:00 a.m. EST today quasi-stationary ridge located on a line
northwest-southeast over northwestern Ontario.

At 6:30 p.m. EST tonight deepening low 1015 mb located over Lake
Superior.
By 3:00 a.m. EST Friday low 1007 mb located over southeastern
Lake Superior.

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