Lake St. Clair

Forecast

Marine Forecast

Issued 10:30 AM EST 12 December 2017

Today Tonight and Wednesday.

Gale warning in effect.

Wind northwest 25 knots increasing to northwest 35 near noon then diminishing to northwest 30 early this evening. Wind diminishing to northwest 15 early Wednesday morning and to light Wednesday afternoon.

A few flurries ending early this evening. Periods of light snow beginning Wednesday afternoon. Visibility 1 mile or less in precipitation.

Waves

Issued 10:30 AM EST 12 December 2017
Today Tonight and Wednesday. Waves one metre subsiding to less than one half metre near noon Wednesday.

Extended Forecast

Issued 03:00 AM EST 12 December 2017
Thursday Wind light.
Friday Wind light becoming southwest 15 knots.
Saturday Wind northwest 20 knots.

Ice Forecast*

Issued 12:00 PM EST 12 December 2017 Today Tonight and Wednesday Ice free except 2 tenths new lake ice along parts of the coast. 9 tenths new lake ice including 2 tenths thin lake ice in Sandusky Bay.

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

 

[ Canadian Ice Service ]

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Map of Great Lakes - Lake Erie and Lake Ontario 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 12 December 2017 Today Tonight and Wednesday

Ice Coverage

Ice free except 2 tenths new lake ice along parts of the coast. 9
tenths new lake ice including 2 tenths thin lake ice in Sandusky
Bay.

Warnings

Warnings (In effect)

Gale warning in effect

Lake St. Clair

Issued 10:30 AM EST 12 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.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EST 12 December 2017 Today Tonight and Wednesday At 10:30 a.m. EST today trough located on a line northwest-southeast
over Georgian Bay.
By 10:30 a.m. EST Wednesday trough located on a line
northeast-southwest over Maine.

At 10:30 a.m. EST today deepening low 998 mb located over Lake
Ontario.
By 10:30 a.m. EST Wednesday deepening low 976 mb located over
western New Brunswick.

At 10:30 a.m. EST today low 1004 mb located over northern
Saskatchewan.
By 10:30 a.m. EST Wednesday low 999 mb located over southern
Minnesota.

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