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Northern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 22 July 2026

Tonight and Thursday.

Strong wind warning in effect.

Wind northwest 20 knots diminishing to northwest 15 near midnight and to west 10 Thursday morning. Wind increasing to southwest 15 Thursday afternoon.

Waves

Issued 06:30 PM EDT 22 July 2026
Tonight and Thursday. Waves 1.5 metres subsiding to 1 late overnight.

Extended Forecast

Issued 06:30 PM EDT 22 July 2026
Friday Wind southwest 15 knots diminishing to light in the morning then becoming south 15 in the afternoon.
Saturday Wind south 15 knots diminishing to light late in the day.
Sunday Wind light.

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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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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 6:30 PM EDT 22 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 6:30 PM EDT 22 July 2026 Tonight and Thursday At 6:30 p.m. EDT tonight departing trough from 994 mb low located
on a line north-south over central Quebec.

At 6:30 p.m. EDT tonight ridge located on a line northwest-southeast
over Minnesota.
By 6:30 p.m. EDT Thursday ridge located on a line east-west over
southern Ontario.

By 6:30 p.m. EDT Thursday low 1003 mb located over northern
Saskatchewan.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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