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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 17 May 2026

Today Tonight and Monday.

Strong wind warning in effect.

Wind light becoming northeast 10 knots near noon then increasing to northeast 15 this afternoon. Wind veering to east 15 this evening then increasing to south 20 late overnight. Wind diminishing to southwest 15 Monday evening.

Scattered showers this afternoon and tonight with a risk of thunderstorms. Scattered showers Monday evening with a risk of thunderstorms.

Waves

Issued 10:30 AM EDT 17 May 2026
Today Tonight and Monday. Waves 0.5 metres or less building to 0.5 to 1 this afternoon then subsiding to less than 0.5 near midnight.

Extended Forecast

Issued 03:00 AM EDT 17 May 2026
Tuesday Wind southwest 15 knots increasing to southwest 20 in the morning.
Wednesday Wind northwest 20 knots.
Thursday Wind north 25 knots.

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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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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 May 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 or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 17 May 2026 Today Tonight and Monday At 10:30 a.m. EDT today ridge located on a line northwest-southeast
over northern Ontario.
By 10:30 a.m. EDT Monday ridge located on a line northwest-southeast
over James Bay.

At 10:30 a.m. EDT today low 994 mb located over western Kansas.
By 10:30 a.m. EDT Monday low 1004 mb located over Lake Superior.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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