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Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 19 September 2024

Today Tonight and Friday.

Wind northeast 10 knots becoming light near noon then becoming northeast 10 near midnight. Wind veering to east 10 early Friday morning.

Fog patches dissipating near noon.

Waves

Issued 10:30 AM EDT 19 September 2024
Today Tonight and Friday. Waves 0.5 metres or less.

Extended Forecast

Issued 03:00 AM EDT 19 September 2024
Saturday Wind southeast 15 knots diminishing to light in the afternoon.
Sunday Wind light.
Monday Wind southeast 15 knots increasing to southeast 20 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

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 19 September 2024 Today Tonight and Friday At 10:30 a.m. EDT today quasi-stationary ridge located on a line
northeast-southwest over southern Ontario.

At 10:30 a.m. EDT today trough from 993 mb low located over
northwestern Ontario.
By 10:30 a.m. EDT Friday trough from 990 mb low located over
Lake Superior.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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