Eastern Lake Ontario

Forecast

Marine Forecast

Issued 10:30 AM EST 12 December 2017

Today Tonight and Wednesday.

Wind variable 10 knots increasing to northwest 20 this afternoon then backing to west 25 early this evening. Wind increasing to west 30 this evening then veering to northwest 25 late overnight. Wind northwest 25 Wednesday.

A few flurries ending Wednesday afternoon. Visibility 1 mile or less in flurries.

Waves

Issued 10:30 AM EST 12 December 2017
Today Tonight and Wednesday. Waves one metre building to 2 Wednesday afternoon then subsiding to one Wednesday evening.

Extended Forecast

Issued 03:00 AM EST 12 December 2017
Thursday Wind light.
Friday Wind light becoming south 15 knots late in the day.
Saturday Wind south 15 knots diminishing to light.

Ice Forecast*

Issued 12:00 PM EST 12 December 2017 Today Tonight and Wednesday 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 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 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 12 December 2017 Today Tonight and Wednesday

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EST 12 December 2017 Today Tonight and Wednesday At 10:30 a.m. EST today trough located on a line northwest-southeast
over Georgian Bay.
By 10:30 a.m. EST Wednesday trough located on a line
northeast-southwest over Maine.

At 10:30 a.m. EST today deepening low 998 mb located over Lake
Ontario.
By 10:30 a.m. EST Wednesday deepening low 976 mb located over
western New Brunswick.

At 10:30 a.m. EST today low 1004 mb located over northern
Saskatchewan.
By 10:30 a.m. EST Wednesday low 999 mb located over southern
Minnesota.

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