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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 13 September 2026

Tonight and Monday.

Strong wind warning in effect.

Wind northwest 25 knots diminishing to north 15 early Monday morning and to light near noon Monday. Wind becoming southeast 10 Monday evening.

Scattered showers this evening.

Waves

Issued 06:30 PM EDT 13 September 2026
Tonight and Monday. Waves 2 metres subsiding to 0.5 to 1 Monday morning and to 0.5 or less Monday afternoon.

Extended Forecast

Issued 06:30 PM EDT 13 September 2026
Tuesday Wind south 30 knots.
Wednesday Wind north 20 knots diminishing to light.
Thursday Wind light.

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Map of Great Lakes - Lake Erie and Lake Ontario marine weather areas Harrow AAFC Hamilton Munro Int'l Airport CFB Trenton Erieau Toronto City Centre Airport Point Pelee Peterborough Municipal Airport Burlington Lift Bridge Point Petre Cobourg Oshawa Executive Airport South Lake Huron - 45149 Port Colborne Brockville Gore Bay-Manitoulin Airport North Bay Airport Greater Sudbury Airport Killarney Sault Ste. Marie Airport Ajax - 45159 North Channel - 45154 Lake Nipissing - 45152 Lake Simcoe - 45151 Windsor Airport Lake St Clair - 45147 South Georgian Bay - 45143 Port Colborne - 45142 Grimsby - 45139 Georgian Bay - 45137 Prince Edward Point - 45135 Port Stanley - 45132 Welland-Pelham Grenadier Island Kingston Airport Collingwood Lagoon City Muskoka Airport Parry Sound Harbour Lake Simcoe Regional Airport Wiarton Airport Western Islands Sarnia Chris Hadfield Airport Vineland Station Southeast Shoal St. Catharines / Niagara District Airport Goderich Port Weller Long Point Tobermory
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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 17 May 2026 Forecasts have ended for the season.

Ice Forecasts

Lake Michigan

Issued 12:00 PM EDT 17 May 2026 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Strong wind warning in effect

Southern Lake Huron

Issued 6:30 PM EDT 13 September 2026

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 13 September 2026 Tonight and Monday At 6:30 p.m. EDT tonight departing cold front located on a line
northeast-southwest over the St. Lawrence River.

At 6:30 p.m. EDT tonight ridge located on a line northwest-southeast
over Minnesota.
By 6:30 p.m. EDT Monday ridge located on a line north-south over
Lake Ontario.

By 6:30 p.m. EDT Monday approaching low 996 mb located over
southwestern Manitoba.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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