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Southern Georgian Bay

Forecast

Marine Forecast

Issued 03:00 AM EDT 28 March 2023

Today Tonight and Wednesday.

Gale warning in effect.

Wind northeast 15 knots diminishing to northeast 10 early this morning then becoming light near noon. Wind becoming south 10 this evening then increasing to southwest 15 near midnight. Wind increasing to southwest 20 Wednesday morning and to west 30 near noon Wednesday. Wind increasing to west 35 Wednesday afternoon then diminishing to northwest 30 Wednesday evening.

Scattered flurries ending this morning. Flurries Wednesday. Visibility 1 mile or less in flurries.

Waves

Issued 03:00 AM EDT 28 March 2023
Today Tonight and Wednesday. Waves 0.5 to 1 metre subsiding to 0.5 or less this morning then building to 0.5 to 1 overnight. Waves building to 1 to 1.5 Wednesday morning and to 2 to 3 Wednesday afternoon.

Extended Forecast

Issued 03:00 AM EDT 28 March 2023
Thursday Wind northwest 20 knots backing to southwest 20 in the morning.
Friday Wind southeast 20 knots diminishing to light late in the day.
Saturday Wind northeast 20 knots increasing to north 35.

Ice Forecast*

Issued 12:00 PM EDT 27 March 2023 Today Tonight and Tuesday Open water except 3 tenths new lake ice including 1 tenth thick lake ice along the northeastern shore. CONSOLIDATED rotten thick lake ice along parts of the northeastern shore.

*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 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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Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 27 March 2023 Today Tonight and Tuesday

Ice Coverage

Open water except 3 tenths new lake ice including 1 tenth thick lake
ice along the northeastern shore. CONSOLIDATED rotten thick lake ice
along parts of the northeastern shore.

Warnings

Warnings (In effect)

Gale warning in effect

Southern Georgian Bay

Issued 03:00 AM EDT 28 March 2023

'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 EDT 28 March 2023 Today Tonight and Wednesday At 3:00 a.m. EDT today ridge located on a line northeast-southwest
over northern Ontario.
By 3:00 a.m. EDT Wednesday ridge located on a line north-south
over central Quebec.

At 3:00 a.m. EDT today low 1022 mb located over northern Lake
Superior.
By 3:00 a.m. EDT Wednesday low 1013 mb located over southern
James Bay.

At 3:00 a.m. EDT today ridge from 1034 mb high located over
Saskatchewan.
By 3:00 a.m. EDT Wednesday ridge from 1033 mb high located on a
line northwest-southeast over northern North Dakota.

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