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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 11 February 2026

Today Tonight and Thursday.

Wind northwest 25 knots diminishing to northwest 15 Thursday morning and to northwest 10 Thursday afternoon. Wind becoming light Thursday evening.

Scattered flurries this afternoon tonight and Thursday morning.

Waves

Issued 03:00 AM EST 11 February 2026
Today Tonight and Thursday. Over open water waves 2 to 3 metres subsiding to 1.5 near midnight and to 1 Thursday morning. Waves subsiding to 0.5 or less Thursday evening.

Extended Forecast

Issued 03:00 AM EST 11 February 2026
Friday Wind west 15 knots backing to southwest 20 in the afternoon.
Saturday Wind northwest 15 knots diminishing to light.
Sunday Wind southeast 15 knots.

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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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land station Land Station
Ice Conditions

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

Ice Forecasts

Lake Huron

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

Ice Forecasts

Lake Michigan

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 3:00 AM EST 11 February 2026 Today Tonight and Thursday At 3:00 a.m. EST today low 1001 mb located over southern Quebec.
By 3:00 a.m. EST Thursday departing low 983 mb located east of
Nova Scotia.

At 3:00 a.m. EST today ridge located on a line north-south over
Lake of the Woods.
By 3:00 a.m. EST Thursday ridge located on a line north-south over
Thunder Bay.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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