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Northern Georgian Bay

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 30 March 2023

Today Tonight and Friday.

Wind west 15 knots backing to southwest 20 near noon then diminishing to southwest 15 early this evening. Wind backing to south 15 late overnight then to southeast 20 Friday morning. Wind backing to east 20 Friday afternoon.

Scattered flurries this morning. Snow beginning overnight changing to rain Friday evening. Visibility 1 mile or less in snow.

Waves

Issued 10:30 AM EDT 30 March 2023
Today Tonight and Friday. Waves 0.5 to 1 metre building to 1 to 1.5 this afternoon then subsiding to 0.5 to 1 this evening. Waves building to 1.5 near noon Friday then subsiding to 1 Friday evening.

Extended Forecast

Issued 03:00 AM EDT 30 March 2023
Saturday Wind northeast 25 knots increasing to north 35 in the morning then diminishing to northwest 25 late in the day.
Sunday Wind northwest 25 knots backing to southwest 20.
Monday Wind south 20 knots.

Ice Forecast*

Issued 12:00 PM EDT 29 March 2023 Today Tonight and Thursday Open water except 2 tenths 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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Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 29 March 2023 Today Tonight and Thursday

Ice Coverage

Open water except 2 tenths thick lake ice near the northeastern
shore. CONSOLIDATED rotten thick lake ice along the northern shore.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 30 March 2023 Today Tonight and Friday At 10:30 a.m. EDT today ridge located on a line north-south over
Lake Huron.
By 10:30 a.m. EDT Friday ridge located on a line north-south
over Maine.

At 10:30 a.m. EDT today low 1000 mb located west of Colorado.
By 10:30 a.m. EDT Friday approaching low 991 mb located over
northwestern Iowa.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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