Eastern Lake Ontario

Forecast

Marine Forecast

Issued 03:00 AM EDT 23 June 2017

Today Tonight and Saturday.

Wind west 15 knots backing to south 15 early this morning then veering to west 15 this evening. Wind backing to southwest 15 near noon Saturday.

Showers and a few thunderstorms and fog patches ending overnight.

Waves

Issued 03:00 AM EDT 23 June 2017
Today Tonight and Saturday. Waves one half metre building to one early this morning then subsiding to one half metre overnight. Waves building to one Saturday afternoon.

Extended Forecast

Issued 03:00 AM EDT 23 June 2017
Sunday Wind west 15 knots backing to southwest 20 in the afternoon.
Monday Wind light.
Tuesday Wind light.

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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 27 April 2017 Forecasts have ended for the season.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 23 June 2017 Today Tonight and Saturday At 3:00 a.m. EDT today ridge located on a line north-south over
the Maritimes.
By 6:30 p.m. EDT tonight departing ridge located east of the
Maritimes.

At 3:00 a.m. EDT today low 998 mb located over southern James Bay.
By 3:00 a.m. EDT Saturday low 990 mb located over central Quebec.

At 3:00 a.m. EDT today trough from low located on a line
northeast-southwest over Lake Huron.
By 3:00 a.m. EDT Saturday trough from low located on a line
northeast-southwest over New York State.

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