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Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 06 December 2024

Today Tonight and Saturday.

Wind northwest 20 knots backing to west 20 near noon then increasing to west 30 early this evening. Wind diminishing to northwest 15 Saturday morning then backing to southwest 15 near noon Saturday. Wind increasing to southwest 20 Saturday afternoon and to southwest 25 Saturday evening.

Flurries this afternoon tonight and Saturday morning. Snow Saturday late in the day. Visibility 1 mile or less in precipitation.

Waves

Issued 03:00 AM EST 06 December 2024
Today Tonight and Saturday. Waves 1 to 1.5 metres building to 2 to 3 this evening then subsiding to 1.5 overnight. Waves subsiding to 1 Saturday morning then building to 1.5 Saturday evening.

Extended Forecast

Issued 03:00 AM EST 06 December 2024
Sunday Wind southwest 30 knots diminishing to west 20 in the morning.
Monday Wind west 15 knots becoming east 15.
Tuesday Wind south 15 knots diminishing to light.

Ice Forecast*

Issued 12:00 PM EST 5 December 2024 Today Tonight and Friday Open water.

*Ice Forecast and Warnings also apply to U.S. waters

 

[ Canadian Ice Service ]

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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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land station Land Station
Ice Conditions

*Ice Forecast and Warnings also apply to U.S. waters

Ice Forecasts

Issued 12:00 PM EST 5 December 2024 Today Tonight and Friday

Ice Coverage

Open water.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EST 6 December 2024 Today Tonight and Saturday At 3:00 a.m. EST today departing low 980 mb located north of
New Brunswick.

At 3:00 a.m. EST today quasi-stationary ridge located on a line
north-south over northern Arkansas.

At 3:00 a.m. EST today low 1016 mb located over central Manitoba.
By 3:00 a.m. EST Saturday low 1017 mb located north of Georgian Bay.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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