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Northern Georgian Bay

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EST 18 February 2026

Today Tonight and Thursday.

Wind northeast 20 knots veering to east 20 near noon then diminishing to east 15 near midnight. Wind east 15 Thursday.

Snow changing to scattered flurries near midnight and ending Thursday morning with a risk of freezing drizzle. Visibility 1 mile or less in snow.

Waves

Issued 10:30 AM EST 18 February 2026
Today Tonight and Thursday. Mainly ice covered.

Extended Forecast

Issued 03:00 AM EST 18 February 2026
Friday Wind east 20 knots increasing to southeast 30 in the morning then diminishing to east 20 late in the day.
Saturday Wind northeast 15 knots.
Sunday Wind north 15 knots increasing to north 20 late in the day.

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Map of Great Lakes - Lake Huron marine weather areas Wiarton Airport Western Islands Cove Island Goderich Lake Simcoe Regional Airport Vineland Station Parry Sound Harbour Sarnia Chris Hadfield Airport Tobermory Muskoka Airport Harrow AAFC Long Point Port Weller St. Catharines / Niagara District Airport Lagoon City Southeast Shoal Burlington Lift Bridge Welland-Pelham Windsor Airport Port Colborne Erieau Peterborough Municipal Airport CFB Trenton Toronto City Centre Airport Point Petre Oshawa Executive Airport Hamilton Munro Int'l Airport Point Pelee Cobourg Port Colborne - 45142 North Channel - 45154 Ajax - 45159 Lake Nipissing - 45152 Sault Ste. Marie Airport Killarney Lake Simcoe - 45151 Greater Sudbury Airport South Lake Huron - 45149 Lake St Clair - 45147 North Bay Airport South Georgian Bay - 45143 Gore Bay-Manitoulin Airport Grimsby - 45139 Georgian Bay - 45137 Great Duck Island Collingwood Kingston Airport Grenadier Island Brockville Prince Edward Point - 45135 Port Stanley - 45132
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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 10:30 AM EST 18 February 2026 Today Tonight and Thursday At 10:30 a.m. EST today ridge located on a line northwest-southeast
over Montréal.
By 10:30 a.m. EST Thursday ridge located on a line
northwest-southeast over Maine.

At 10:30 a.m. EST today low 987 mb located over western Minnesota.
By 10:30 a.m. EST Thursday low 1005 mb located over northern
Wisconsin.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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