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Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EST 12 December 2024

Today Tonight and Friday.

Gale warning in effect.

Wind west 40 knots diminishing to west 30 this evening and to west 20 Friday morning. Wind diminishing to west 15 Friday evening.

Flurries. Visibility 1 mile or less in flurries.

Waves

Issued 10:30 AM EST 12 December 2024
Today Tonight and Friday. Waves 3 to 5 metres subsiding to 3 early this evening and to 2 late overnight. Waves subsiding to 1.5 near noon Friday and to 1 Friday evening.

Extended Forecast

Issued 03:00 AM EST 12 December 2024
Saturday Wind west 15 knots diminishing to light in the morning then increasing to southeast 20 late in the day.
Sunday Wind southeast 20 knots.
Monday Wind south 15 knots increasing to south 20 late in the day.

Ice Forecast*

Issued 12:00 PM EST 11 December 2024 Today Tonight and Thursday Open water except 2 tenths new lake ice in the Bay Of Quinte.

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

 

[ Canadian Ice Service ]

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Map of Great Lakes - Lake Huron marine weather areas 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 2024 Today Tonight and Thursday

Ice Coverage

Open water except 2 tenths new lake ice in the Bay Of Quinte.

Warnings

Warnings (In effect)

Gale warning in effect

Eastern Lake Ontario

Issued 10:30 AM EST 12 December 2024

'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 10:30 AM EST 12 December 2024 Today Tonight and Friday At 10:30 a.m. EST today departing low 977 mb located over central
Quebec.

At 10:30 a.m. EST today weakening trough from low located on a
line east-west over Georgian Bay.
By 10:30 a.m. EST Friday departing trough located on a line
northeast-southwest over the St. Lawrence River.

At 10:30 a.m. EST today ridge located on a line northwest-southeast
over southwestern Manitoba.
By 10:30 a.m. EST Friday ridge located on a line northwest-southeast
over Wisconsin.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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