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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 03:00 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 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 03:00 AM EDT 17 May 2026
Today Tonight and Monday. Waves 0.5 to 1 metre subsiding to 0.5 or less early this morning then building to 0.5 to 1 this afternoon. Waves 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.

Ice Forecast*

Issued 12:00 PM EDT 16 May 2026 Today Tonight and Sunday Ice free.These are the last forecasts for the season.

*Ice Forecast and Warnings also apply to U.S. waters

  

[ Canadian Ice Service ]

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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
Legend:
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 16 May 2026 Today Tonight and Sunday

Ice Coverage

Ice free.

These are the last forecasts for the season.

Ice Forecasts

Lake Michigan

Issued 12:00 PM EDT 16 May 2026 Today Tonight and Sunday

Ice Coverage

Ice free.

These are the last forecasts for the season.
Warnings

Warnings (In effect)

Strong wind warning in effect

Southern Lake Huron

Issued 03:00 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 3:00 AM EDT 17 May 2026 Today Tonight and Monday At 3:00 a.m. EDT today ridge located on a line northwest-southeast
over northwestern Ontario.
By 3:00 a.m. EDT Monday ridge located on a line northwest-southeast
over northern Ontario.

At 3:00 a.m. EDT today approaching low located over Minnesota.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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