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Southern Georgian Bay

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 24 October 2021

Today Tonight and Monday.

Strong wind warning in effect.

Wind southwest 15 knots diminishing to west 10 this afternoon then veering to north 10 early this evening. Wind increasing to northeast 15 late this evening and to northeast 20 overnight. Wind increasing to northeast 30 Monday afternoon.

Scattered showers ending overnight. Risk of waterspouts today. Periods of rain Monday.

Waves

Issued 03:00 AM EDT 24 October 2021
Today Tonight and Monday. Waves 0.5 metres or less subsiding to less than 0.5 early this evening then building to 0.5 near midnight. Waves building to 1 Monday morning and to 2 Monday evening.

Extended Forecast

Issued 03:00 AM EDT 24 October 2021
Tuesday Wind northeast 25 knots diminishing to north 15 late in the day.
Wednesday Wind northeast 15 knots diminishing to light.
Thursday Wind light becoming southeast 15 knots.

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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 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 EDT 9 May 2021 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Strong wind warning in effect

Southern Georgian Bay

Issued 03:00 AM EDT 24 October 2021

'Strong' winds of 20 to 33 knots are 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 EDT 24 October 2021 Today Tonight and Monday At 3:00 a.m. EDT today ridge located near the Ontario - Manitoba
border.
By 3:00 a.m. EDT Monday ridge located on a line northeast-southwest
over northwestern Ontario.

At 3:00 a.m. EDT today dissipating low 1015 mb located over
northeastern Ontario.

At 3:00 a.m. EDT today low 996 mb located over Kansas.
By 3:00 a.m. EDT Monday low 999 mb located over northern Illinois.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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