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Western Lake Ontario

Forecast

Marine Forecast

Issued 03:00 AM EST 12 November 2019

Today Tonight and Wednesday.

Strong wind warning in effect.

Wind north 20 knots diminishing to north 15 early this morning then backing to northwest 15 near noon. Wind increasing to northwest 25 early this evening then diminishing to northwest 15 near midnight. Wind diminishing to northwest 10 Wednesday morning then becoming light near noon Wednesday. Wind becoming south 10 Wednesday evening.

Flurries ending early this morning. Flurries this evening. Visibility 1 mile or less in flurries.

Waves

Issued 03:00 AM EST 12 November 2019
Today Tonight and Wednesday. Waves one metre subsiding to one half metre or less this morning then building to one and one half metres this evening. Waves subsiding to one half metre or less overnight.

Extended Forecast

Issued 03:00 AM EST 12 November 2019
Thursday Wind light increasing to southwest 20 knots in the afternoon.
Friday Wind west 30 knots.
Saturday Wind north 20 knots diminishing to light.

Ice Forecast*

Issued 12:00 PM EST 11 November 2019 Today Tonight and Tuesday Ice free.

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

 

[ Canadian Ice Service ]

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Weather Conditions

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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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buoy Buoy
land station Land Station
Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EST 11 November 2019 Today Tonight and Tuesday

Ice Coverage

Ice free.

Warnings

Warnings (In effect)

Strong wind warning in effect

Western Lake Ontario

Issued 03:00 AM EST 12 November 2019

'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 EST 12 November 2019 Today Tonight and Wednesday At 3:00 a.m. EST today low 1006 mb located over eastern
Pennsylvania.
By 3:00 a.m. EST Wednesday low 994 mb located over the Gulf of
St. Lawrence.

At 3:00 a.m. EST today ridge located on a line northeast-southwest
over northwestern Ontario.
By 3:00 a.m. EST Wednesday ridge located on a line
northeast-southwest over northern Lake Huron.

Great Lakes - Lake Erie and Lake Ontario Area

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