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Northern Georgian Bay

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 25 March 2023

Tonight and Sunday.

Gale warning in effect.

Wind variable 25 knots increasing to northwest 30 this evening and to west 35 near midnight. Wind diminishing to west 25 early Sunday morning and to west 15 Sunday evening.

Snow or rain this evening. Scattered flurries overnight. Visibility 1 mile or less in precipitation.

Waves

Issued 06:30 PM EDT 25 March 2023
Tonight and Sunday. Waves 1 to 1.5 metres building to 2 to 3 near midnight then subsiding to 1 to 1.5 Sunday morning. Waves subsiding to 0.5 to 1 Sunday evening.

Extended Forecast

Issued 06:30 PM EDT 25 March 2023
Monday Wind north 15 knots.
Tuesday Wind northeast 15 knots backing to northwest 15.
Wednesday Wind northwest 15 knots increasing to northwest 20.

Ice Forecast*

Issued 12:00 PM EDT 25 March 2023 Today Tonight and Sunday Open water except 3 tenths new lake ice including 1 tenth thick lake ice near the northeastern shore. CONSOLIDATED rotten thick lake ice along the northern shore.

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

 

[ Canadian Ice Service ]

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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 25 March 2023 Today Tonight and Sunday

Ice Coverage

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

Warnings

Warnings (In effect)

Gale warning in effect

Northern Georgian Bay

Issued 11:41 PM EDT 25 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 26 March 2023 Today Tonight and Monday At 3:00 a.m. EDT today low 992 mb located over Lake Nipissing.
By 3:00 a.m. EDT Monday low 1008 mb located east of James Bay.

At 3:00 a.m. EDT today ridge located on a line northwest-southeast
over North Dakota.
By 3:00 a.m. EDT Monday ridge located on a line east-west over
northern Ontario.

By 3:00 a.m. EDT Monday approaching trough located on a line
northeast-southwest over Lake Erie.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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