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Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 11 October 2024

Today Tonight and Saturday.

Gale warning in effect.

Wind west 15 knots increasing to southwest 25 near noon and to west 35 this evening. Wind diminishing to northwest 25 late overnight and to northwest 10 Saturday morning.

Waves

Issued 10:30 AM EDT 11 October 2024
Today Tonight and Saturday. Waves 0.5 to 1 metre building to 2 to 3 this afternoon and to 3 to 4 near midnight. Waves subsiding to 1 to 1.5 early Saturday morning and to 0.5 or less near noon Saturday.

Extended Forecast

Issued 03:00 AM EDT 11 October 2024
Sunday Wind light increasing to northeast 20 knots late in the day.
Monday Wind northeast 20 knots.
Tuesday Wind north 20 knots.

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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 EDT 27 April 2024 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Gale warning in effect

Eastern Lake Ontario

Issued 10:30 AM EDT 11 October 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 EDT 11 October 2024 Today Tonight and Saturday At 10:30 a.m. EDT today departing ridge located on a line
north-south over Lake Ontario.

At 10:30 a.m. EDT today trough located on a line northeast-southwest
over northeastern Ontario.
By 10:30 a.m. EDT Saturday trough located on a line
northeast-southwest over Nova Scotia.

At 10:30 a.m. EDT today ridge located over southern Saskatchewan.
By 10:30 a.m. EDT Saturday approaching ridge located over Lake
Superior.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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