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Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EST 21 November 2024

Tonight and Friday.

Strong wind warning in effect.

Wind northwest 10 knots increasing to northwest 15 this evening and to north 20 late overnight. Wind diminishing to north 15 Friday evening.

Periods of rain.

Waves

Issued 06:30 PM EST 21 November 2024
Tonight and Friday. Waves 0.5 metres or less building to 0.5 to 1 near midnight and to 1.5 early Friday morning. Waves subsiding to 0.5 to 1 Friday evening.

Extended Forecast

Issued 06:30 PM EST 21 November 2024
Saturday Wind northwest 15 knots increasing to northwest 20 in the afternoon.
Sunday Wind northwest 20 knots diminishing to light late in the day.
Monday Wind light becoming east 15 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)

Strong wind warning in effect

Western Lake Ontario

Issued 6:30 PM 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 6:30 PM EST 21 November 2024 Tonight and Friday At 6:30 p.m. EST tonight low 1003 mb located over Indiana.
By 6:30 p.m. EST Friday weakening low 1010 mb located east of
North Carolina.

At 6:30 p.m. EST tonight low 992 mb located east of Pennsylvania.
By 6:30 p.m. EST Friday low 994 mb located over eastern
Pennsylvania.

At 6:30 p.m. EST tonight ridge located on a line northwest-southeast
over South Dakota.
By 6:30 p.m. EST Friday ridge located on a line northwest-southeast
over Minnesota.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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