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Northern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 19 July 2026

Today Tonight and Monday.

Strong wind warning in effect.

Wind north 10 knots backing to northwest 10 near noon then to southwest 10 early this evening. Wind increasing to south 15 Monday morning and to south 20 Monday evening.

Scattered showers Monday evening.

Waves

Issued 10:30 AM EDT 19 July 2026
Today Tonight and Monday. Waves 0.5 to 1 metre subsiding to 0.5 or less near noon then building to 1 near noon Monday. Waves building to 1.5 Monday evening.

Extended Forecast

Issued 03:00 AM EDT 19 July 2026
Tuesday Wind southwest 20 knots veering to northwest 15 in the afternoon then increasing to northwest 25 late in the day.
Wednesday Wind northwest 20 knots.
Thursday Wind northwest 15 knots diminishing to 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 10:30 AM EDT 19 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 19 July 2026 Today Tonight and Monday At 10:30 a.m. EDT today departing low 993 mb located over the Gulf
of St. Lawrence.

At 10:30 a.m. EDT today ridge located over Lake Michigan.
By 10:30 a.m. EDT Monday ridge located over Pennsylvania.

At 10:30 a.m. EDT Monday approaching low located east of the
Ontario - Manitoba border.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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