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Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 21 November 2024

Today Tonight and Friday.

Strong wind warning in effect.

Wind southwest 25 knots diminishing to west 15 early this morning and to west 10 late this morning. Wind veering to northwest 10 this afternoon then increasing to north 15 early this evening. Wind increasing to north 20 near midnight and to northeast 30 Friday morning. Wind diminishing to northeast 15 Friday evening.

Showers ending early this morning. Periods of rain this afternoon tonight and Friday.

Waves

Issued 03:00 AM EST 21 November 2024
Today Tonight and Friday. Waves 1.5 to 2 metres.

Extended Forecast

Issued 03:00 AM EST 21 November 2024
Saturday Wind north 15 knots diminishing to light in the morning then increasing to northwest 20 in the afternoon.
Sunday Wind northwest 20 knots diminishing to light late in the day.
Monday Wind light becoming southwest 15 knots late in the day.

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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 03:00 AM EST 21 November 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 EST 21 November 2024 Today Tonight and Friday At 3:00 a.m. EST today low 995 mb located over Sault Ste. Marie.
By 3:00 a.m. EST Friday weakening low 1007 mb located over Ohio.

At 3:00 a.m. EST today low 998 mb located off the East Coast of
the U.S.
By 3:00 a.m. EST Friday low 988 mb located over New York State.

By 3:00 a.m. EST Friday approaching ridge located on a line
northwest-southeast over South Dakota.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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