Western Lake Ontario

Forecast

Marine Forecast

Issued 03:00 AM EST 07 December 2016

Today Tonight and Thursday

Wind southwest 20 knots veering to west 25 early this morning then backing to southwest 25 late this morning. Wind veering to west 30 near noon Thursday.

A few flurries or showers changing to flurries overnight. Visibility 1 mile or less in flurries.

Waves

Issued 03:00 AM EST 07 December 2016
Today Tonight and Thursday Waves one metre building to 2 to 3 this morning.

Extended Forecast

Issued 03:00 AM EST 07 December 2016
Friday Wind northwest 25 knots diminishing to northwest 15 late in the day.
Saturday Wind light.
Sunday Wind light becoming south 15 knots.

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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 3:00 AM EST 7 December 2016 Today Tonight and Thursday At 3:00 a.m. EST today low 997 mb located north of Lake of the
Woods.
By 3:00 a.m. EST Thursday low 997 mb located east of James Bay.

At 3:00 a.m. EST today ridge located on a line northwest-southeast
over Quebec.
By 3:00 a.m. EST Thursday high located on a line northwest-southeast
over the Gulf of St. Lawrence.

At 3:00 a.m. EST today trough from low located on a line
northeast-southwest over Lake of the Woods.
By 3:00 a.m. EST Thursday trough from low located on a line
northeast-southwest over northeastern Ontario.

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