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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 08 February 2026

Today Tonight and Monday.

Wind north 15 knots diminishing to variable 10 early this morning then becoming light near noon. Wind becoming south 10 near midnight then increasing to south 15 Monday morning. Wind increasing to south 20 Monday evening.

Scattered flurries ending this afternoon. Scattered flurries Monday evening.

Waves

Issued 03:00 AM EST 08 February 2026
Today Tonight and Monday. Over open water waves 1 metre subsiding to 0.5 or less this morning then building to 0.5 to 1 near noon Monday.

Extended Forecast

Issued 03:00 AM EST 08 February 2026
Tuesday Wind south 20 knots increasing to northwest 25 late in the day.
Wednesday Wind northwest 25 knots diminishing to northwest 15 late in the day.
Thursday Wind northwest 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

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

Warnings (In effect)

Ice pressure warning in effect

Southern Lake Huron

Issued 12:00 PM EST 07 February 2026

Navigators in this marine area should be on the lookout for hazardous ice conditions and take necessary safety precautions. Please refer to the latest ice forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio stations.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EST 8 February 2026 Today Tonight and Monday At 3:00 a.m. EST today ridge located on a line north-south over
northern Ontario.
By 3:00 a.m. EST Monday ridge located on a line north-south over
southern Ontario.

At 3:00 a.m. EST today low 1005 mb located over Alberta.
By 3:00 a.m. EST Monday low 1006 mb located over southern Manitoba.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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