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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 09 August 2026

Today Tonight and Monday.

Wind southwest 10 knots increasing to southwest 15 this morning then diminishing to south 10 this afternoon. Wind increasing to southwest 15 this evening then diminishing to west 10 Monday morning. Wind becoming light Monday afternoon.

Scattered showers overnight and Monday morning with a risk of thunderstorms.

Waves

Issued 03:00 AM EDT 09 August 2026
Today Tonight and Monday. Waves 0.5 metres or less building to 0.5 to 1 near noon then subsiding to 0.5 or less early this evening. Waves building to 0.5 to 1 near midnight then subsiding to 0.5 or less Monday morning.

Extended Forecast

Issued 03:00 AM EDT 09 August 2026
Tuesday Wind light.
Wednesday Wind light.
Thursday Wind light becoming northwest 15 knots late in the day.

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Weather Conditions

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

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 9 August 2026 Today Tonight and Monday At 3:00 a.m. EDT today departing cold front located on a line
northeast-southwest over the East Coast of the U.S.

At 3:00 a.m. EDT today ridge located on a line north-south over
Lower Michigan.
By 3:00 a.m. EDT Monday ridge from high located on a line
northeast-southwest over Pennsylvania.

By 3:00 a.m. EDT Monday approaching low 1010 mb located near
Lake Michigan.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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