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Southern Georgian Bay

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 05 February 2025

Today Tonight and Thursday.

Gale warning in effect.

Wind northwest 15 knots diminishing to variable 10 early this morning then increasing to southeast 15 this evening. Wind increasing to southeast 20 near midnight then veering to southwest 20 Thursday afternoon. Wind increasing to west 35 Thursday evening.

Scattered flurries ending this afternoon. Periods of snow Thursday morning. Visibility 1 mile or less in precipitation.

Waves

Issued 03:00 AM EST 05 February 2025
Today Tonight and Thursday. Over open water waves 0.5 to 1 metre subsiding to 0.5 or less this morning then building to 1 near midnight. Waves building to 2 Thursday evening.

Extended Forecast

Issued 03:00 AM EST 05 February 2025
Friday Wind northwest 35 knots diminishing to northwest 25 in the morning and to northwest 15 late in the day.
Saturday Wind northwest 15 knots veering to northeast 20 late in the day.
Sunday Wind northeast 20 knots backing to northwest 20.

Ice Forecast*

Issued 12:00 PM EST 4 February 2025 Today Tonight and Wednesday Open water except 9 tenths thin lake ice including 3 tenths medium lake ice along the northern shore. Consolidated thick lake ice along parts of the shores and in Severn Sound.

*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 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
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land station Land Station
Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EST 4 February 2025 Today Tonight and Wednesday

Ice Coverage

Open water except 9 tenths thin lake ice including 3 tenths medium
lake ice along the northern shore. Consolidated thick lake ice along
parts of the shores and in Severn Sound.

Warnings

Warnings (In effect)

Gale warning in effect

Southern Georgian Bay

Issued 03:00 AM EST 05 February 2025

'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 3:00 AM EST 5 February 2025 Today Tonight and Thursday At 3:00 a.m. EST today ridge located on a line northwest-southeast
over southern Michigan.
By 3:00 a.m. EST Thursday departing ridge located on a line
northwest-southeast over Maine.

By 3:00 a.m. EST Thursday approaching warm front located on a line
east-west over Ohio.

By 3:00 a.m. EST Thursday trough located on a line north-south
over northwestern Ontario.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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