Western Lake Ontario

Forecast

Marine Forecast

Issued 10:30 AM EST 06 December 2016

Today Tonight and Wednesday

Wind east 15 knots veering to southeast 20 this afternoon then increasing to west 25 near midnight. Wind backing to southwest 30 Wednesday morning.

Periods of rain late this afternoon and tonight. Chance of flurries beginning Wednesday morning.

Waves

Issued 10:30 AM EST 06 December 2016
Today Tonight and Wednesday Waves one half metre building to one this afternoon and to one and one half metres late overnight. Waves building to 2 near noon Wednesday.

Extended Forecast

Issued 03:00 AM EST 06 December 2016
Thursday Wind west 30 knots.
Friday Wind northwest 25 knots diminishing to northwest 15 late in the day.
Saturday Wind northwest 15 knots diminishing to light.

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Weather Conditions

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Map of Great Lakes - Lake Huron 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 10:30 AM EST 6 December 2016 Today Tonight and Wednesday At 10:30 a.m. EST today low 994 mb located over northwestern
Minnesota.
By 10:30 a.m. EST Wednesday low 997 mb located southwest of
James Bay.

At 10:30 a.m. EST today ridge located on a line northwest-southeast
over Montréal.
By 10:30 a.m. EST Wednesday high located on a line north-south
over New Brunswick.

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