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Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 25 November 2024

Today Tonight and Tuesday.

Gale warning in effect.

Wind northwest 10 knots becoming light early this morning then becoming east 15 this afternoon. Wind veering to southeast 15 this evening then increasing to south 15 to 20 overnight. Wind veering to west 25 Tuesday morning then increasing to west 35 near noon Tuesday.

Rain beginning this evening changing to scattered showers Tuesday morning.

Waves

Issued 03:00 AM EST 25 November 2024
Today Tonight and Tuesday. Waves 0.5 metres or less building to 0.5 to 1 early this evening and to 1 to 1.5 Tuesday morning. Waves building to 2 to 3 near noon Tuesday.

Extended Forecast

Issued 03:00 AM EST 25 November 2024
Wednesday Wind west 35 knots diminishing to west 25 in the morning and to west 15 in the afternoon.
Thursday Wind northeast 15 knots backing to northwest 20.
Friday Wind west 20 knots increasing to west 25.

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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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land station Land Station
Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 27 April 2024 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Gale warning in effect

Eastern Lake Ontario

Issued 03:00 AM EST 25 November 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 3:00 AM EST 25 November 2024 Today Tonight and Tuesday At 3:00 a.m. EST today ridge located on a line northwest-southeast
over Lake Nipissing.
By 3:00 a.m. EST Tuesday ridge located on a line northwest-southeast
over southern Quebec.

At 3:00 a.m. EST today low 1007 mb located over Illinois.
By 3:00 a.m. EST Tuesday low 1004 mb located over southern Lake
Huron.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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