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Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 20 September 2021

Today Tonight and Tuesday.

Strong wind warning in effect.

Wind southeast 10 knots increasing to southeast 15 this morning and to south 20 this evening. Wind diminishing to south 15 Tuesday evening.

Showers Tuesday evening.

Waves

Issued 03:00 AM EDT 20 September 2021
Today Tonight and Tuesday. Waves one half metre or less building to one half to one metre near noon and to one and one half metres near midnight. Waves subsiding to one Tuesday evening.

Extended Forecast

Issued 03:00 AM EDT 20 September 2021
Wednesday Wind south 15 knots becoming variable 15 in the afternoon.
Thursday Wind east 20 knots veering to south 15 late in the day.
Friday Wind southwest 20 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
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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 9 May 2021 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Strong wind warning in effect

Eastern Lake Ontario

Issued 03:00 AM EDT 20 September 2021

'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 20 September 2021 Today Tonight and Tuesday At 3:00 a.m. EDT today trough located on a line northeast-southwest
over Lake of the Woods.
By 3:00 a.m. EDT Tuesday trough located on a line north-south over
Lake Superior.

At 3:00 a.m. EDT today ridge located on a line north-south over
Maine.
By 3:00 a.m. EDT Tuesday ridge located on a line northeast-southwest
over the Maritimes.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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