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Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 12 October 2024

Today Tonight and Sunday.

Strong wind warning in effect.

Wind northwest 25 knots diminishing to northwest 10 this morning then becoming light early this evening. Wind becoming southeast 15 overnight then backing to east 15 Sunday morning. Wind increasing to northeast 20 Sunday evening.

Waves

Issued 03:00 AM EDT 12 October 2024
Today Tonight and Sunday. Waves 3 to 4 metres subsiding to 1 to 1.5 early this morning and to 0.5 or less near noon. Waves building to 0.5 to 1 Sunday morning.

Extended Forecast

Issued 03:00 AM EDT 12 October 2024
Monday Wind northeast 20 knots increasing to northeast 25 in the morning.
Tuesday Wind north 20 knots.
Wednesday Wind northwest 25 knots.

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Map of Great Lakes - Lake Huron 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
Legend:
buoy Buoy
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)

Strong wind warning in effect

Eastern Lake Ontario

Issued 03:00 AM EDT 12 October 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 3:00 AM EDT 12 October 2024 Today Tonight and Sunday At 3:00 a.m. EDT today departing trough located on a line
northeast-southwest over Ontario.

At 3:00 a.m. EDT today ridge located on a line northwest-southeast
over Lake of the Woods.
By 3:00 a.m. EDT Sunday approaching ridge located over Lake
Nipissing.

By 3:00 a.m. EDT Sunday trough located on a line north-south
over Duluth.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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