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Northern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 17 May 2026

Tonight and Monday.

Strong wind warning in effect.

Wind east 10 knots increasing to east 15 this evening and to south 20 early Monday morning. Wind diminishing to variable 10 Monday evening.

Scattered showers ending Monday morning with a risk of thunderstorms. Scattered showers and fog patches Monday evening with a risk of thunderstorms.

Waves

Issued 06:30 PM EDT 17 May 2026
Tonight and Monday. Waves 0.5 to 1 metre building to 1 to 1.5 near midnight and to 2 Monday morning. Waves subsiding to 0.5 to 1 Monday evening.

Extended Forecast

Issued 06:30 PM EDT 17 May 2026
Tuesday Wind southwest 15 knots increasing to southwest 20 in the morning.
Wednesday Wind northwest 20 knots.
Thursday Wind north 15 knots diminishing to light.

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

Northern Lake Huron

Issued 6:30 PM 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 6:30 PM EDT 17 May 2026 Tonight and Monday At 6:30 p.m. EDT tonight departing ridge located from James Bay
to Pennsylvania.

At 6:30 p.m. EDT tonight low 993 mb located over western Kansas.
By 6:30 p.m. EDT Monday low 1010 mb located over southwestern
Quebec.

At 6:30 p.m. EDT tonight trough from low located from Minnesota
to Kansas.
By 6:30 p.m. EDT Monday trough from low located from Lake Nipissing
to Wisconsin.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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