Southern Lake Huron

Forecast

Marine Forecast

Issued 03:00 AM EST 13 December 2017

Today Tonight and Thursday.

Wind northwest 20 knots diminishing to variable 10 this morning then increasing to northeast 15 this afternoon. Wind increasing to northeast 20 early this evening then backing to north 20 near midnight. Wind backing to northwest 20 Thursday morning then diminishing to northwest 15 near noon Thursday.

Flurries at times heavy changing to periods of snow near noon then to flurries at times heavy near midnight. Visibility 1 mile or less in precipitation.

Freezing spray warning in effect.

Freezing spray ending this morning.

Waves

Issued 03:00 AM EST 13 December 2017
Today Tonight and Thursday. Waves one and one half metres subsiding to one half metre near noon then building to one and one half metres this evening. Waves subsiding to one Thursday afternoon.

Extended Forecast

Issued 03:00 AM EST 13 December 2017
Friday Wind southwest 20 knots increasing to southwest 25 in the morning then veering to northwest 25 late in the day.
Saturday Wind northwest 25 knots diminishing to light late in the day.
Sunday Wind south 20 knots.

Ice Forecast*

Issued 12:00 PM EST 12 December 2017 Today Tonight and Wednesday Ice free except 5 tenths new lake ice along parts of the coast.

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

    

[ Canadian Ice Service ]

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Weather Conditions

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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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land station Land Station
Ice Conditions

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

Ice Forecasts

Lake Huron

Issued 12:00 PM EST 12 December 2017 Today Tonight and Wednesday

Ice Coverage

Ice free except 5 tenths new lake ice along parts of the coast.

Ice Forecasts

Northern Lake Michigan

Issued 12:00 PM EST 12 December 2017 Today Tonight and Wednesday

Ice Coverage

Ice free.

Ice Forecasts

Southern Lake Michigan

Issued 12:00 PM EST 12 December 2017 Today Tonight and Wednesday

Ice Coverage

Ice free.

Ice Forecasts

Green Bay

Issued 12:00 PM EST 12 December 2017 Today Tonight and Wednesday

Ice Coverage

Ice free except 5 tenths new lake ice along the southern coast. 5
tenths new lake ice in the Bays de Noc.

Warnings

Warnings (In effect)

Freezing spray warning in effect

Southern Lake Huron

Issued 03:00 AM EST 13 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 3:00 AM EST 13 December 2017 Today Tonight and Thursday At 3:00 a.m. EST today trough located on a line east-west over
Lake Simcoe.
By 3:00 a.m. EST Thursday departing trough located on a line
northeast-southwest over Nova Scotia.

At 3:00 a.m. EST today ridge located on a line northwest-southeast
over northeastern Ontario.
By 3:00 a.m. EST Thursday ridge located on a line
northwest-southeast over northwestern Ontario.

At 3:00 a.m. EST today low 998 mb located over Minnesota.
By 3:00 a.m. EST Thursday low 998 mb located over southern
Pennsylvania.

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