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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 06 October 2026

Today Tonight and Wednesday.

Strong wind warning in effect.

Wind north 10 knots becoming light early this morning then becoming south 10 late this morning. Wind increasing to south 20 this afternoon then veering to southwest 25 this evening. Wind diminishing to west 15 Wednesday morning and to west 10 Wednesday afternoon. Wind increasing to west 15 Wednesday evening.

Scattered showers tonight with a risk of thunderstorms. Scattered showers Wednesday evening with a risk of thunderstorms.

Waves

Issued 03:00 AM EDT 06 October 2026
Today Tonight and Wednesday. Waves 0.5 to 1 metre subsiding to 0.5 or less early this morning then building to 1 early this evening. Waves building to 1.5 near midnight then subsiding to 0.5 to 1 near noon Wednesday.

Extended Forecast

Issued 03:00 AM EDT 06 October 2026
Thursday Wind northwest 20 knots.
Friday Wind west 15 knots backing to south 15 late in the day.
Saturday Wind south 15 knots increasing to south 20.

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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
Legend:
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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 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 03:00 AM EDT 06 October 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 3:00 AM EDT 6 October 2026 Today Tonight and Wednesday At 3:00 a.m. EDT today ridge located on a line north-south over
northeastern Ontario.
By 3:00 a.m. EDT Wednesday ridge located on a line north-south
over eastern New York State.

At 3:00 a.m. EDT today low 997 mb located over the southeastern
Northwest Territories.
By 3:00 a.m. EDT Wednesday low 996 mb located south of Hudson Bay.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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