Eastern Lake Ontario


Marine Forecast

Issued 03:00 AM EST 09 December 2016

Today Tonight and Saturday

Wind northwest 20 knots diminishing to northwest 10 after midnight then becoming light Saturday morning. Wind becoming east 10 Saturday afternoon then increasing to northeast 15 Saturday evening.

Chance of flurries early this morning. A few flurries beginning near noon Saturday. Visibility 1 mile or less in flurries.


Issued 03:00 AM EST 09 December 2016
Today Tonight and Saturday Waves 2 to 3 metres subsiding to one early this morning and to less than one half metre overnight. Waves building to one Saturday evening.

Extended Forecast

Issued 03:00 AM EST 09 December 2016
Sunday Wind west 20 knots backing to south 15 in the afternoon.
Monday Wind southeast 15 knots becoming northwest 15 late in the day.
Tuesday Wind west 15 knots.

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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.

No watches or warnings in effect.


Technical Marine Synopsis

Issued 3:00 AM EST 9 December 2016 Today Tonight and Saturday At 3:00 a.m. EST today quasi-stationary trough located on a line
east-west over Lake Huron.

At 3:00 a.m. EST today quasi-stationary ridge located on a line
northeast-southwest over Saskatchewan.

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