Eastern Lake Superior

Forecast

Marine Forecast

Issued 09:46 PM EDT 21 October 2017

Tonight and Sunday.

Strong wind warning in effect.

Wind southeast 25 knots veering to south 25 early Sunday morning then to southwest 20 near noon Sunday.

Chance of showers with a risk of thunderstorms changing to showers near noon Sunday.

Waves

Issued 06:30 PM EDT 21 October 2017
Tonight and Sunday. Waves one metre building to 2 this evening then subsiding to one Sunday afternoon.

Extended Forecast

Issued 06:30 PM EDT 21 October 2017
Monday Wind southwest 15 knots becoming north 15 late in the day.
Tuesday Wind northeast 25 knots increasing to north 35.
Wednesday Wind north 30 knots diminishing to north 15.

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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 EDT 27 April 2017 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Strong wind warning in effect

Eastern Lake Superior

Issued 9:46 PM EDT 21 October 2017

'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 6:30 PM EDT 21 October 2017 Tonight and Sunday At 6:30 p.m. EDT tonight ridge located on a line north-south over
New Brunswick.
By 6:30 p.m. EDT Sunday ridge located on a line north-south over
Nova Scotia.

At 6:30 p.m. EDT tonight low 989 mb located over central Manitoba.
By 6:30 p.m. EDT Sunday low 972 mb located over western Hudson Bay.

At 6:30 p.m. EDT tonight cold front located on a line north-south
over the Ontario - Manitoba border.
By 6:30 p.m. EDT Sunday cold front located on a line north-south
over eastern Lake Superior.

Great Lakes - Lake Huron Area

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