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Western Lake Ontario

Forecast

Marine Forecast

Issued 03:00 AM EST 11 December 2019

Today Tonight and Thursday.

Gale warning in effect.

Wind variable 10 knots increasing to west 30 early this morning and to west 35 near noon. Wind diminishing to west 30 this evening and to west 20 overnight. Wind diminishing to southwest 10 Thursday morning then increasing to south 15 Thursday evening.

Flurries this afternoon and this evening. Visibility 1 mile or less in flurries.

Risk of freezing spray today and tonight.

Waves

Issued 03:00 AM EST 11 December 2019
Today Tonight and Thursday. Waves one half metre or less building to 2 this morning and to 3 this afternoon. Waves subsiding to 2 near midnight and to one half metre or less near noon Thursday.

Extended Forecast

Issued 03:00 AM EST 11 December 2019
Friday Wind south 20 knots.
Saturday Wind light increasing to northwest 20 knots late in the day.
Sunday Wind northwest 25 knots increasing to west 35.

Ice Forecast*

Issued 12:00 PM EST 10 December 2019 Today Tonight and Wednesday Ice free.

*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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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 10 December 2019 Today Tonight and Wednesday

Ice Coverage

Ice free.

Warnings

Warnings (In effect)

Gale warning in effect

Western Lake Ontario

Issued 03:00 AM EST 11 December 2019

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. 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 11 December 2019 Today Tonight and Thursday At 3:00 a.m. EST today quasi-stationary ridge located on a line
north-south over southern Ontario.

At 3:00 a.m. EST today low 1015 mb located over eastern Lake
Superior.
By 3:00 a.m. EST Thursday low 1015 mb located over the Gulf of
St. Lawrence.

By 3:00 a.m. EST Thursday approaching low 1017 mb located over
Nebraska.

Great Lakes - Lake Erie and Lake Ontario Area

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