Eastern Lake Superior

Forecast

Marine Forecast

Issued 06:30 PM EST 10 December 2017

Tonight and Monday.

Gale warning in effect.

Wind northwest 15 knots diminishing to light near midnight then increasing to southwest 15 early Monday morning. Wind increasing to north 25 near noon Monday and to north 35 Monday evening.

Periods of snow.

Freezing spray warning in effect.

Freezing spray beginning Monday afternoon.

Waves

Issued 06:30 PM EST 10 December 2017
Tonight and Monday. Waves one metre subsiding to one half metre or less late overnight then building to one Monday morning. Waves building to 2 Monday afternoon and to 3 Monday evening.

Extended Forecast

Issued 06:30 PM EST 10 December 2017
Tuesday Wind north 30 knots diminishing to north 20 in the afternoon.
Wednesday Wind north 20 knots diminishing to light.
Thursday Wind light increasing to north 20 knots.

Ice Forecast*

Issued 12:00 PM EST 10 December 2017 Today Tonight and Monday Ice free.

*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 Executive 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 10 December 2017 Today Tonight and Monday

Ice Coverage

Ice free.

Warnings

Warnings (In effect)

Gale warning in effect

Eastern Lake Superior

Issued 6:30 PM EST 10 December 2017

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Freezing spray warning in effect

Eastern Lake Superior

Issued 6:30 PM EST 10 December 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 6:30 PM EST 10 December 2017 Tonight and Monday At 6:30 p.m. EST tonight trough located on a line
northeast-southwest over southern Ontario.
By 6:30 p.m. EST Monday trough located on a line northeast-southwest
over the Maritimes.

At 6:30 p.m. EST tonight ridge located on a line northwest-southeast
over northern Ontario.
By 6:30 p.m. EST Monday ridge located on a line north-south
over Quebec.

At 6:30 p.m. EST tonight low 1008 mb located over central
Saskatchewan.
By 6:30 p.m. EST Monday low 1005 mb located over eastern Illinois.

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