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Northern Georgian Bay

Forecast

Marine Forecast

Issued 06:30 PM EDT 02 April 2025

Tonight and Thursday.

Gale warning in effect.

Wind southeast 35 knots diminishing to southeast 30 near midnight then veering to southwest 25 late overnight. Wind veering to west 20 Thursday afternoon then diminishing to west 15 Thursday evening.

Rain or periods of freezing rain ending near noon Thursday. Risk of thunderstorms near midnight. Fog patches forming near midnight and dissipating Thursday morning.

Waves

Issued 06:30 PM EDT 02 April 2025
Tonight and Thursday. Waves 2 to 3 metres subsiding to 1 to 1.5 early Thursday morning.

Extended Forecast

Issued 06:30 PM EDT 02 April 2025
Friday Wind northwest 15 knots diminishing to light in the morning.
Saturday Wind east 15 knots backing to north 15.
Sunday Wind northwest 15 knots.

Ice Forecast*

Issued 12:00 PM EDT 2 April 2025 Today Tonight and Thursday 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 Erie and Lake Ontario 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
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Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 2 April 2025 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 northeastern
shore.

Warnings

Warnings (In effect)

Gale warning in effect

Northern Georgian Bay

Issued 6:30 PM EDT 02 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 2 April 2025 Tonight and Thursday At 6:30 p.m. EDT tonight low 992 mb located over Wisconsin.
By 6:30 p.m. EDT Thursday low 997 mb located over Quebec.

By 6:30 p.m. EDT Thursday approaching high 1020 mb located over
Minnesota.

Great Lakes - Lake Erie and Lake Ontario Area

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