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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 17 July 2026

Today Tonight and Saturday.

Strong wind warning in effect.

Wind light becoming southeast 10 knots this afternoon then increasing to southwest 20 this evening. Wind veering to northwest 25 near noon Saturday.

Scattered showers tonight and Saturday morning with a risk of thunderstorms. Smoke dissipating Saturday morning. Visibility as low as 1 mile in smoke.

Waves

Issued 10:30 AM EDT 17 July 2026
Today Tonight and Saturday. Waves 0.5 metres or less building to 1 to 1.5 near midnight and to 2 Saturday afternoon.

Extended Forecast

Issued 03:00 AM EDT 17 July 2026
Sunday Wind northwest 20 knots diminishing to light in the afternoon.
Monday Wind light increasing to southwest 20 knots late in the day.
Tuesday Wind southwest 20 knots veering to northwest 25.

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

Warnings (In effect)

Strong wind warning in effect

Southern Lake Huron

Issued 10:30 AM EDT 17 July 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 17 July 2026 Today Tonight and Saturday At 10:30 a.m. EDT today ridge located on a line north-south over
southern Ontario.
By 10:30 a.m. EDT Saturday ridge located on a line
northeast-southwest over the Eastern Seaboard.

At 10:30 a.m. EDT today low 1010 mb located over northwestern
Ontario.
By 10:30 a.m. EDT Saturday low 999 mb located north of Lake
Nipissing.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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