Eastern Lake Superior

Forecast

Marine Forecast

Issued 03:00 AM EDT 27 June 2017

Today Tonight and Wednesday.

Strong wind warning in effect.

Wind northwest 10 knots backing to west 10 early this morning then increasing to southwest 15 this afternoon. Wind backing to southeast 15 near noon Wednesday then increasing to southeast 20 Wednesday evening.

Periods of rain beginning Wednesday evening.

Waves

Issued 03:00 AM EDT 27 June 2017
Today Tonight and Wednesday. Waves one half metre or less building to one early this evening.

Extended Forecast

Issued 03:00 AM EDT 27 June 2017
Thursday Wind east 20 knots backing to northeast 25 in the morning then diminishing to northwest 15 late in the day.
Friday Wind northwest 15 knots diminishing to light.
Saturday Wind light.

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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 Municipal 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 03:00 AM EDT 27 June 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 3:00 AM EDT 27 June 2017 Today Tonight and Wednesday At 3:00 a.m. EDT today trough located on a line northeast-southwest
over Georgian Bay.
By 3:00 a.m. EDT Wednesday trough located on a line north-south
over Quebec.

At 3:00 a.m. EDT today ridge located on a line northwest-southeast
over Iowa.
By 3:00 a.m. EDT Wednesday ridge located on a line north-south
over West Virginia.

At 3:00 a.m. EDT today low 1005 mb located over northeastern
Manitoba.
By 3:00 a.m. EDT Wednesday low 1005 mb located over northeastern
Ontario.

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