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Southern Georgian Bay

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 01 April 2025

Tonight and Wednesday.

Gale warning in effect.

Wind variable 10 knots increasing to east 15 this evening and to east 20 near midnight. Wind veering to southeast 25 early Wednesday morning then increasing to southeast 35 Wednesday afternoon.

Snow beginning near noon Wednesday changing to freezing rain early Wednesday evening then to rain Wednesday evening.

Waves

Issued 06:30 PM EDT 01 April 2025
Tonight and Wednesday. Waves 0.5 metres building to 1 to 1.5 late overnight and to 2 Wednesday morning. Waves building to 2 to 3 Wednesday evening.

Extended Forecast

Issued 06:30 PM EDT 01 April 2025
Thursday Wind southeast 25 knots veering to southwest 25 in the morning then diminishing to west 15 late in the day.
Friday Wind west 15 knots diminishing to light.
Saturday Wind light becoming west 15 knots late in the day.

Ice Forecast*

Issued 12:00 PM EDT 1 April 2025 Today Tonight and Wednesday Open water except 2 tenths thick lake ice near the northeastern shore. CONSOLIDATED rotten thick lake ice along the northeastern shore.

*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
Legend:
buoy Buoy
land station Land Station
Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 1 April 2025 Today Tonight and Wednesday

Ice Coverage

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

Warnings

Warnings (In effect)

Gale warning in effect

Southern Georgian Bay

Issued 6:30 PM EDT 01 April 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 6:30 PM EDT 1 April 2025 Tonight and Wednesday At 6:30 p.m. EDT tonight ridge located on a line north-south over
Georgian Bay.
By 6:30 p.m. EDT Wednesday ridge located on a line north-south
over eastern Quebec.

At 6:30 p.m. EDT tonight low 988 mb located over Colorado.
By 6:30 p.m. EDT Wednesday low 990 mb located over Wisconsin.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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