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Western Lake Ontario

Forecast

Marine Forecast

Issued 06:30 PM EST 11 December 2019

Tonight and Thursday.

Gale warning in effect.

Wind west 35 knots diminishing to west 25 this evening and to southwest 10 Thursday morning. Wind increasing to south 15 Thursday evening.

Flurries this evening. Visibility 1 mile or less in flurries.

Risk of freezing spray tonight.

Waves

Issued 06:30 PM EST 11 December 2019
Tonight and Thursday. Waves 3 metres subsiding to 2 near midnight and to one early Thursday morning. Waves subsiding to one half metre or less near noon Thursday.

Extended Forecast

Issued 06:30 PM EST 11 December 2019
Friday Wind south 20 knots.
Saturday Wind light increasing to northwest 20 knots late in the day.
Sunday Wind northwest 25 knots increasing to west 35.

Ice Forecast*

Issued 12:00 PM EST 11 December 2019 Today Tonight and Thursday 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 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 Killarney 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 Western Islands Cove Island Goderich Sarnia Chris Hadfield Airport Tobermory Harrow AAFC Long Point Port Weller St. Catharines / Niagara District Airport Southeast Shoal Vineland Station Welland-Pelham Windsor Airport Port Colborne Erieau Point Pelee Burlington Lift Bridge Cobourg Hamilton Munro Int'l Airport Oshawa Executive Airport Point Petre Toronto City Centre Airport CFB Trenton Peterborough Municipal Airport
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Ice Conditions

*Ice Forecast and Warnings also apply to U.S. waters

Ice Forecasts

Issued 12:00 PM EST 11 December 2019 Today Tonight and Thursday

Ice Coverage

Ice free.

Warnings

Warnings (In effect)

Gale warning in effect

Western Lake Ontario

Issued 6:30 PM EST 11 December 2019

'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.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EST 11 December 2019 Tonight and Thursday At 6:30 p.m. EST tonight ridge located from Saskatchewan to Kentucky
then to Texas.
By 6:30 p.m. EST Thursday ridge located from James Bay to New
England then to North Carolina.

At 6:30 p.m. EST tonight departing low 1014 mb located over
central Quebec.

By 6:30 p.m. EST Thursday approaching low 1016 mb located over
northern Lake Michigan.

Great Lakes - Lake Erie and Lake Ontario Area

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