Eastern Lake Superior

Forecast

Marine Forecast

Issued 06:30 PM EST 20 November 2017

Tonight and Tuesday.

Gale warning in effect.

Wind south 25 knots veering to southwest 30 this evening then to west 30 late overnight. Wind increasing to northwest 35 Tuesday morning then diminishing to northwest 30 Tuesday afternoon.

Chance of showers changing to showers late overnight then to flurries near noon Tuesday.

Waves

Issued 06:30 PM EST 20 November 2017
Tonight and Tuesday. Waves one and one half metres building to 2 near midnight and to 3 to 4 near noon Tuesday.

Extended Forecast

Issued 06:30 PM EST 20 November 2017
Wednesday Wind northwest 20 knots.
Thursday Wind west 20 knots veering to northwest 25.
Friday Wind northwest 15 knots increasing to southwest 25.

Ice Forecast*

Issued 12:00 PM EST 20 November 2017 Today Tonight and Tuesday Ice free.

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

 

[ Canadian Ice Service ]

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Map of Great Lakes - Lake Huron 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 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 Goderich Sarnia Chris Hadfield Airport Tobermory Harrow AAFC Port Weller St. Catharines Airport Southeast Shoal Vineland Station Welland-Pelham Windsor Airport Burlington Lift Bridge Cobourg Hamilton Munro Int'l Airport Oshawa Executive Airport Point Petre Toronto City Centre Airport CFB Trenton Peterborough Municipal Airport Killarney Western Islands Cove Island Long Point Port Colborne Erieau Point Pelee
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Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EST 20 November 2017 Today Tonight and Tuesday

Ice Coverage

Ice free.

Warnings

Warnings (In effect)

Gale warning in effect

Eastern Lake Superior

Issued 6:30 PM EST 20 November 2017

'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 6:30 PM EST 20 November 2017 Tonight and Tuesday At 6:30 p.m. EST tonight ridge located on a line north-south
over Montréal.
By 6:30 p.m. EST Tuesday ridge located on a line north-south over
the Gulf of St. Lawrence.

At 6:30 p.m. EST tonight low 986 mb located north of Lake of
the Woods.
By 6:30 p.m. EST Tuesday low 990 mb located east of James Bay.

At 6:30 p.m. EST Tuesday departing cold front from 990 mb low
located on a line northeast-southwest over southern Ontario.

At 6:30 p.m. EST Tuesday approaching ridge located on a line
northwest-southeast over North Dakota.

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