Eastern Lake Ontario


Marine Forecast

Issued 10:30 AM EST 02 December 2016

Today Tonight and Saturday

Gale warning in effect.

Wind west 35 knots diminishing to west 30 this afternoon then veering to northwest 25 this evening. Wind diminishing to northwest 15 near noon Saturday.

Chance of showers today and this evening.


Issued 10:30 AM EST 02 December 2016
Today Tonight and Saturday Waves 3 metres subsiding to one and one half metres near midnight and to one half metre Saturday afternoon.

Extended Forecast

Issued 03:00 AM EST 02 December 2016
Sunday Wind light.
Monday Wind west 20 knots.
Tuesday Wind light becoming east 15 knots late in the day.

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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 (In effect)

Gale warning in effect

Eastern Lake Ontario

Issued 10:30 AM EST 02 December 2016

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.


Technical Marine Synopsis

Issued 10:30 AM EST 2 December 2016 Today Tonight and Saturday At 10:30 a.m. EST today low 1001 mb located over central Quebec.
By 10:30 a.m. EST Saturday weakening trough located on a line
northwest-southeast over Maine.

At 10:30 a.m. EST today ridge located from Hudson Bay to Lake
Winnipeg then to Tennessee.
By 10:30 a.m. EST Saturday ridge located from Hudson Bay to Iowa
then to West Virginia.

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