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Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 07 September 2024

Today Tonight and Sunday.

Strong wind warning in effect.

Wind west 20 knots veering to northwest 20 early this evening then backing to west 25 early Sunday morning.

Scattered showers ending overnight with a risk of waterspouts.

Waves

Issued 10:30 AM EDT 07 September 2024
Today Tonight and Sunday. Waves 0.5 to 1 metre building to 1.5 this evening and to 2 to 3 Sunday morning. Waves subsiding to 1.5 Sunday evening.

Extended Forecast

Issued 03:00 AM EDT 07 September 2024
Monday Wind west 15 knots.
Tuesday Wind light.
Wednesday Wind light.

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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)

Strong wind warning in effect

Eastern Lake Ontario

Issued 10:30 AM EDT 07 September 2024

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. 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 7 September 2024 Today Tonight and Sunday At 10:30 a.m. EDT today low 1004 mb located over southern Quebec.
By 10:30 a.m. EDT Sunday low 998 mb located over central Quebec.

At 10:30 a.m. EDT today high 1027 mb located over western Wisconsin.
By 10:30 a.m. EDT Sunday high 1024 mb located over Illinois.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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