Eastern Lake Superior

Forecast

Marine Forecast

Issued 10:30 AM EDT 25 May 2015

Today Tonight and Tuesday

Wind east 15 knots veering to southeast 15 this afternoon then to southwest 15 early this evening. Wind veering to west 15 near midnight then diminishing to west 10 early Tuesday morning. Wind becoming light near noon Tuesday.

Rain and fog patches ending late overnight.

Waves

Issued 10:30 AM EDT 25 May 2015
Today Tonight and Tuesday Waves one metre subsiding to one half metre early Tuesday morning and to less than one half metre Tuesday afternoon.

Extended Forecast

Issued 03:00 AM EDT 25 May 2015
Wednesday Wind light becoming north 15 knots in the morning.
Thursday Wind northeast 20 knots diminishing to light late in the day.
Friday Wind east 15 knots veering to southeast 20.

Ice Forecast*

Issued 12:00 PM EDT 25 May 2015 Today Tonight and Tuesday Special ice warning in effect. Open water except 1 tenth of rotten thick lake ice over the extreme eastern section near Montreal River. Unusual presence of lake ice in eastern section.

*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 Egbert 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 Kemptville 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 Toronto Pearson Int'l Airport CFB Trenton Peterborough Municipal Airport Killarney Western Islands CFB Borden Cove Island Long Point Port Colborne Erieau Point Pelee Toronto Buttonville Municipal Airport
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Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 25 May 2015 Today Tonight and Tuesday

Ice Coverage

Special ice warning in effect.

Open water except 1 tenth of rotten thick lake ice over the extreme
eastern section near Montreal River. Unusual presence of lake ice in
eastern section.

Warnings

Warnings (In effect)

Special ice warning in effect

Eastern Lake Superior

Issued 12:00 PM EDT 25 May 2015

Navigators in this marine area should be on the lookout for hazardous ice conditions and take necessary safety precautions. Please refer to the latest ice forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio stations.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 25 May 2015 Today Tonight and Tuesday At 10:30 a.m. EDT today departing ridge located from James Bay to
New England.

At 10:30 a.m. EDT today low 1004 mb located over southeastern
Minnesota.
By 10:30 a.m. EDT Tuesday low 1006 mb located over southwestern
Quebec.

At 10:30 a.m. EDT today ridge located from Missouri to North
Carolina.
By 10:30 a.m. EDT Tuesday ridge located from Upper Michigan to
Pennsylvania.

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