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Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 05 October 2024

Tonight and Sunday.

Strong wind warning in effect.

Wind light becoming southeast 10 knots this evening then increasing to south 15 late overnight. Wind increasing to south 20 early Sunday morning then veering to southwest 25 Sunday afternoon. Wind veering to west 20 Sunday evening.

Showers Sunday late in the day with a risk of thunderstorms.

Waves

Issued 06:30 PM EDT 05 October 2024
Tonight and Sunday. Waves 0.5 metres or less building to 0.5 to 1 Sunday morning and to 1.5 Sunday evening.

Extended Forecast

Issued 06:30 PM EDT 05 October 2024
Monday Wind northwest 20 knots.
Tuesday Wind northwest 15 knots.
Wednesday Wind northwest 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

Eastern Lake Ontario

Issued 6:30 PM EDT 05 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 6:30 PM EDT 5 October 2024 Tonight and Sunday At 6:30 p.m. EDT tonight ridge from 1028 mb high located on a line
northeast-southwest over southern Ontario.
By 6:30 p.m. EDT Sunday ridge located on a line northeast-southwest
over the East Coast of the U.S.

At 6:30 p.m. EDT tonight low 993 mb located over central Manitoba.
By 6:30 p.m. EDT Sunday low 996 mb located over northern Ontario.

By 6:30 p.m. EDT Sunday cold front from low located on a line
northeast-southwest over Lake Ontario.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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