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Northern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 08 September 2026

Today Tonight and Wednesday.

Strong wind warning in effect.

Wind south 10 knots increasing to south 15 early this evening and to south 20 near midnight. Wind veering to southwest 20 early Wednesday morning then increasing to southwest 25 Wednesday afternoon. Wind diminishing to northwest 15 Wednesday evening.

Scattered showers tonight and Wednesday with a risk of thunderstorms.

Waves

Issued 10:30 AM EDT 08 September 2026
Today Tonight and Wednesday. Waves 0.5 metres or less building to 0.5 to 1 this evening and to 1 to 1.5 late overnight.

Extended Forecast

Issued 03:00 AM EDT 08 September 2026
Thursday Wind northwest 20 knots.
Friday Wind light.
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
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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

Northern Lake Huron

Issued 10:30 AM EDT 08 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 10:30 AM EDT 8 September 2026 Today Tonight and Wednesday At 10:30 a.m. EDT today departing ridge located on a line
north-south over Quebec.

At 10:30 a.m. EDT today low 998 mb located over central Manitoba.
By 10:30 a.m. EDT Wednesday low 984 mb located over James Bay.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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