Western Lake Ontario

Forecast

Marine Forecast

Issued 03:00 AM EST 17 December 2017

Today Tonight and Monday.

Wind northeast 10 knots increasing to northeast 15 this afternoon then diminishing to variable 10 near midnight. Wind increasing to southwest 15 Monday morning and to southwest 20 Monday afternoon.

Chance of flurries beginning early this morning. Risk of freezing drizzle late this afternoon and this evening changing to chance of showers or flurries tonight then to a few showers overnight.

Waves

Issued 03:00 AM EST 17 December 2017
Today Tonight and Monday. Waves one half metre building to one Monday evening.

Extended Forecast

Issued 03:00 AM EST 17 December 2017
Tuesday Wind southwest 20 knots increasing to southwest 30 in the morning.
Wednesday Wind west 25 knots.
Thursday Wind northwest 15 knots becoming east 15 late in the day.

Ice Forecast*

Issued 12:00 PM EST 16 December 2017 Today Tonight and Sunday Open water except 9 tenths new lake ice including 2 tenths thin 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 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 16 December 2017 Today Tonight and Sunday

Ice Coverage

Open water except 9 tenths new lake ice including 2 tenths thin lake
ice in the Bay Of Quinte.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EST 17 December 2017 Today Tonight and Monday At 3:00 a.m. EST today ridge located on a line northwest-southeast
over Lake Ontario.
By 3:00 a.m. EST Monday ridge located on a line north-south
over Maine.

At 3:00 a.m. EST today trough located on a line northwest-southeast
over southeastern Manitoba.
By 3:00 a.m. EST Monday trough located on a line northwest-southeast
over Lower Michigan.

Great Lakes - Lake Erie and Lake Ontario Area

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