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Southern Georgian Bay

Forecast

Marine Forecast

Issued 10:30 AM EST 11 December 2019

Today Tonight and Thursday.

Gale warning in effect.

Wind west 35 knots diminishing to west 25 early this evening and to southwest 15 early Thursday morning. Wind backing to south 20 Thursday afternoon then veering to southwest 20 Thursday evening.

Flurries ending Thursday morning. Snow Thursday late in the day. Visibility 1 mile or less in precipitation.

Freezing spray warning in effect.

Freezing spray ending Thursday morning.

Waves

Issued 10:30 AM EST 11 December 2019
Today Tonight and Thursday. Waves 2 metres building to 3 this afternoon then subsiding to 2 late overnight. Waves subsiding to one Thursday morning.

Extended Forecast

Issued 03:00 AM EST 11 December 2019
Friday Wind southwest 25 knots.
Saturday Wind light becoming northwest 15 knots late in the day.
Sunday Wind northwest 30 knots.

Ice Forecast*

Issued 12:00 PM EST 11 December 2019 Today Tonight and Thursday Open water except 5 tenths new lake ice along parts of the shore. Areas of 5 tenths new lake ice will continue forming along parts of the shore today and Thursday.

*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 Killarney 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 Western Islands Cove Island Goderich Sarnia Chris Hadfield Airport Tobermory Harrow AAFC Long Point Port Weller St. Catharines / Niagara District Airport Southeast Shoal Vineland Station Welland-Pelham Windsor Airport Port Colborne Erieau Point Pelee Burlington Lift Bridge Cobourg Hamilton Munro Int'l Airport Oshawa Executive Airport Point Petre Toronto City Centre Airport CFB Trenton Peterborough Municipal Airport
Legend:
buoy Buoy
land station Land Station
Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EST 11 December 2019 Today Tonight and Thursday

Ice Coverage

Open water except 5 tenths new lake ice along parts of the shore.
Areas of 5 tenths new lake ice will continue forming along parts of
the shore today and Thursday.

Warnings

Warnings (In effect)

Gale warning in effect

Southern Georgian Bay

Issued 10:30 AM EST 11 December 2019

'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

Southern Georgian Bay

Issued 10:30 AM EST 11 December 2019

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 10:30 AM EST 11 December 2019 Today Tonight and Thursday At 10:30 a.m. EST today high 1036 mb located over southern
Minnesota.
By 10:30 a.m. EST Thursday high 1040 mb located over eastern
Pennsylvania.

At 10:30 a.m. EST today low 1015 mb located over eastern Lake
Superior.
By 10:30 a.m. EST Thursday departing low 1015 mb located over the
Gulf of St. Lawrence.

By 10:30 a.m. EST Thursday approaching low 1017 mb located over
Iowa.

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