Eastern Lake Superior

Forecast

Marine Forecast

Issued 06:30 PM EDT 16 August 2017

Tonight and Thursday.

Strong wind warning in effect.

Wind east 10 knots increasing to southeast 15 near midnight and to southeast 20 early Thursday morning. Wind backing to east 25 near noon Thursday then veering to southeast 20 Thursday evening.

Rain beginning late Thursday morning with a risk of thunderstorms.

Waves

Issued 06:30 PM EDT 16 August 2017
Tonight and Thursday. Waves one half metre or less building to one half to one metre late overnight and to 2 Thursday morning.

Extended Forecast

Issued 06:30 PM EDT 16 August 2017
Friday Wind northeast 15 knots backing to northwest 20 in the afternoon.
Saturday Wind light.
Sunday Wind light becoming southwest 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 27 April 2017 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Strong wind warning in effect

Eastern Lake Superior

Issued 6:30 PM EDT 16 August 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 16 August 2017 Tonight and Thursday At 6:30 p.m. EDT tonight ridge located on a line northwest-southeast
over eastern Lake Ontario.
By 6:30 p.m. EDT Thursday ridge located on a line north-south
over Quebec.

At 6:30 p.m. EDT tonight low 1004 mb located over southern
Minnesota.
By 6:30 p.m. EDT Thursday low 1000 mb located over Upper Michigan.

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