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Western Lake Ontario

Forecast

Marine Forecast

Issued 03:00 AM EDT 25 October 2024

Today Tonight and Saturday.

Strong wind warning in effect.

Wind variable 10 knots becoming south 10 early this morning then increasing to west 15 early this evening. Wind veering to northwest 15 near midnight then increasing to northwest 20 Saturday morning.

Scattered showers this afternoon and tonight.

Waves

Issued 03:00 AM EDT 25 October 2024
Today Tonight and Saturday. Waves 0.5 metres or less building to 0.5 to 1 this evening and to 1 to 1.5 Saturday morning.

Extended Forecast

Issued 03:00 AM EDT 25 October 2024
Sunday Wind northwest 15 knots backing to west 20 in the afternoon.
Monday Wind northeast 15 knots veering to southeast 20 late in the day.
Tuesday Wind southeast 20 knots increasing to southeast 25 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

Western Lake Ontario

Issued 03:00 AM EDT 25 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 25 October 2024 Today Tonight and Saturday At 3:00 a.m. EDT today departing ridge located on a line
northeast-southwest over Pennsylvania.

At 3:00 a.m. EDT today low 1010 mb located over Lake Nipigon.
By 3:00 a.m. EDT Saturday low 1000 mb located east of James Bay.

At 3:00 a.m. EDT today high 1028 mb located over western Alberta.
By 6:30 p.m. EDT tonight high 1027 mb located over Minnesota.

Great Lakes - Lake Erie and Lake Ontario Area

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