Eastern Lake Superior


Marine Forecast

Issued 03:00 AM EDT 31 May 2016

Today Tonight and Wednesday

Strong wind warning in effect.

Wind north 10 knots veering to northeast 10 early this morning then increasing to east 15 near noon. Wind increasing to east 20 this evening then veering to southeast 25 overnight. Wind diminishing to south 15 Wednesday evening.

Periods of rain beginning near midnight. Risk of thunderstorms Wednesday afternoon and evening.


Issued 03:00 AM EDT 31 May 2016
Today Tonight and Wednesday Waves less than one half metre building to one half metre this morning and to one this afternoon. Waves building to one and one half metres near midnight and to 2 Wednesday morning then subsiding to one and one half metres Wednesday evening.

Extended Forecast

Issued 03:00 AM EDT 31 May 2016
Thursday Wind southwest 15 knots.
Friday Wind light.
Saturday Wind light becoming northwest 15 knots.

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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 7 May 2016 Forecasts have ended for the season.

Warnings (In effect)

Strong wind warning in effect

Eastern Lake Superior

Issued 03:00 AM EDT 31 May 2016

'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.


Technical Marine Synopsis

Issued 3:00 AM EDT 31 May 2016 Today Tonight and Wednesday At 3:00 a.m. EDT today ridge located on a line north-south over
central Lake Superior.
By 3:00 a.m. EDT Wednesday ridge located on a line north-south
over western Lake Ontario.

At 3:30 a.m. EDT today quasi-stationary low 1004 mb located over
North Dakota.

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