Eastern Lake Ontario

Forecast

Marine Forecast

Issued 03:00 AM EST 10 December 2016

Today Tonight and Sunday

Wind northwest 10 knots becoming light early this morning then becoming west 15 this evening. Wind backing to southwest 15 Sunday morning then to south 15 near noon Sunday. Wind increasing to south 20 Sunday evening.

Chance of flurries changing to periods of snow near noon Sunday. Visibility 1 mile or less in snow.

Waves

Issued 03:00 AM EST 10 December 2016
Today Tonight and Sunday Waves one half metre or less building to one near midnight.

Extended Forecast

Issued 03:00 AM EST 10 December 2016
Monday Wind south 20 knots veering to west 25 in the afternoon.
Tuesday Wind west 20 knots.
Wednesday Wind west 20 knots increasing to west 30.

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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 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 EDT 7 May 2016 Forecasts have ended for the season.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EST 10 December 2016 Today Tonight and Sunday At 3:00 a.m. EST today trough located on a line northwest-southeast
over Lake Huron.
By 3:00 a.m. EST Sunday trough located on a line east-west over
northern Lake Huron.

At 3:00 a.m. EST today high 1037 mb located over southern Illinois.
By 3:00 a.m. EST Sunday high 1034 mb located over Virginia.

At 3:00 a.m. EST today ridge located from Saskatchewan to North
Dakota.
By 3:00 a.m. EST Sunday ridge located on a line east-west over
northern Ontario.

Great Lakes - Lake Erie and Lake Ontario Area

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