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Northern Georgian Bay

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EST 12 February 2026

Today Tonight and Friday.

Wind variable 10 knots increasing to southwest 15 Friday morning and to southwest 20 near noon Friday. Wind veering to northwest 15 Friday evening.

Snow Friday afternoon changing to scattered flurries. Visibility 1 mile or less in snow.

Waves

Issued 10:30 AM EST 12 February 2026
Today Tonight and Friday. Mainly ice covered.

Extended Forecast

Issued 03:00 AM EST 12 February 2026
Saturday Wind northwest 15 knots diminishing to light in the morning.
Sunday Wind light becoming southeast 15 knots.
Monday Wind southeast 15 knots diminishing to light.

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Map of Great Lakes - Lake Erie and Lake Ontario marine weather areas CFB Trenton Port Colborne - 45142 Hamilton Munro Int'l Airport Oshawa Executive Airport Port Stanley - 45132 Lake Nipissing - 45152 Point Petre Georgian Bay - 45137 Toronto City Centre Airport Lake Simcoe - 45151 South Georgian Bay - 45143 Prince Edward Point - 45135 Peterborough Municipal Airport South Lake Huron - 45149 Collingwood Lake St Clair - 45147 Grimsby - 45139 Goderich Lagoon City Kingston Airport Muskoka Airport Parry Sound Harbour Grenadier Island Lake Simcoe Regional Airport Wiarton Airport Brockville Western Islands Cove Island Great Duck Island North Channel - 45154 Sarnia Chris Hadfield Airport Gore Bay-Manitoulin Airport Tobermory Harrow AAFC Long Point North Bay Airport Port Weller St. Catharines / Niagara District Airport Greater Sudbury Airport Southeast Shoal Vineland Station Port Colborne Erieau Cobourg Sault Ste. Marie Airport Windsor Airport Welland-Pelham Killarney Ajax - 45159 Point Pelee Burlington Lift Bridge
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Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 16 May 2025 Forecasts have ended for the season.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EST 12 February 2026 Tonight and Friday At 6:30 p.m. EST tonight departing trough located on a line
northeast-southwest over eastern Ontario.

At 6:30 p.m. EST tonight high 1027 mb located over Michigan.
By 6:30 p.m. EST Friday high 1029 mb located over West Virginia.

At 6:30 p.m. EST tonight low 1010 mb located over northeastern
Manitoba.
By 6:30 p.m. EST Friday low 1010 mb located over southern Quebec.

At 6:30 p.m. EST tonight ridge located on a line north-south over
southern Saskatchewan.
By 6:30 p.m. EST Friday ridge located on a line northeast-southwest
over northwestern Ontario.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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