Eastern Lake Superior

Forecast

Marine Forecast

Issued 03:00 AM EST 23 February 2017

Today Tonight and Friday

Wind north 20 knots backing to northwest 15 near noon then veering to north 20 this evening. Wind veering to northeast 25 overnight then increasing to northeast 30 near noon Friday.

A few showers changing to a few flurries early this morning and ending near noon. Chance of snow beginning Friday afternoon. Visibility 1 mile or less in snow.

Freezing spray warning in effect.

Freezing spray beginning overnight.

Waves

Issued 03:00 AM EST 23 February 2017
Today Tonight and Friday Waves one metre building to 2 near midnight.

Extended Forecast

Issued 03:00 AM EST 23 February 2017
Saturday Wind northeast 25 knots increasing to north 35 in the morning.
Sunday Wind northwest 25 knots diminishing to northwest 15.
Monday Wind northwest 20 knots diminishing to south 15.

Ice Forecast*

Issued 12:00 PM EST 22 February 2017 Today Tonight and Thursday Open water except 3 tenths of new lake ice including 1 tenth of medium lake ice along parts of the southeastern shore south of Cape Gargantua.

*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 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 EST 22 February 2017 Today Tonight and Thursday

Ice Coverage

Open water except 3 tenths of new lake ice including 1 tenth of
medium lake ice along parts of the southeastern shore south of Cape
Gargantua.

Warnings

Warnings (In effect)

Freezing spray warning in effect

Eastern Lake Superior

Issued 03:00 AM EST 23 February 2017

Moderate or severe freezing spray is 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 EST 23 February 2017 Today Tonight and Friday At 3:00 a.m. EST today low 999 mb located over northern Lake Huron.
By 3:00 a.m. EST Friday low 995 mb located over the Gulf of
St. Lawrence.

By 3:00 a.m. EST Friday ridge located on a line northeast-southwest
over northeastern Ontario.

By 3:00 a.m. EST Friday approaching low 993 mb located over Kansas.

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