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Northern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EST 16 December 2025

Tonight and Wednesday.

Gale warning in effect.

Wind southwest 35 knots diminishing to southwest 30 late overnight then veering to northwest 30 Wednesday morning. Wind diminishing to northwest 20 Wednesday afternoon and to south 15 Wednesday evening.

Scattered showers ending near noon Wednesday with a risk of freezing drizzle.

Waves

Issued 06:30 PM EST 16 December 2025
Tonight and Wednesday. Waves 2 to 3 metres building to 3 to 4 this evening then subsiding to 2 to 3 early Wednesday morning. Waves subsiding to 1 to 1.5 Wednesday evening.

Extended Forecast

Issued 06:30 PM EST 16 December 2025
Thursday Wind south 30 knots increasing to south 35 in the afternoon.
Friday Wind west 35 knots diminishing to northwest 30 late in the day.
Saturday Wind northwest 20 knots becoming south 20.

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Map of Great Lakes - Lake Erie and Lake Ontario marine weather areas Harrow AAFC Burlington Lift Bridge Oshawa Executive Airport Point Pelee Peterborough Municipal Airport Point Petre Hamilton Munro Int'l Airport Erieau Cobourg Toronto City Centre Airport Port Colborne CFB Trenton South Lake Huron - 45149 Windsor Airport Great Duck Island Gore Bay-Manitoulin Airport North Bay Airport Greater Sudbury Airport Killarney Sault Ste. Marie Airport Ajax - 45159 North Channel - 45154 Lake Nipissing - 45152 Lake Simcoe - 45151 Welland-Pelham Lake St Clair - 45147 South Georgian Bay - 45143 Port Colborne - 45142 Grimsby - 45139 Georgian Bay - 45137 Prince Edward Point - 45135 Port Stanley - 45132 Vineland Station Brockville Grenadier Island Kingston Airport Collingwood Lagoon City Muskoka Airport Parry Sound Harbour Lake Simcoe Regional Airport Wiarton Airport Cove Island Goderich Sarnia Chris Hadfield Airport Western Islands Tobermory Long Point Port Weller St. Catharines / Niagara District Airport Southeast Shoal
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 2025 Forecasts have ended for the season.

Ice Forecasts

Lake Michigan

Issued 12:00 PM EDT 16 May 2025 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Gale warning in effect

Northern Lake Huron

Issued 6:30 PM EST 16 December 2025

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. 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 EST 16 December 2025 Tonight and Wednesday At 6:30 p.m. EST tonight departing ridge located on a line
northeast-southwest over the East Coast of the U.S.

At 6:30 p.m. EST tonight trough from low located on a line
northeast-southwest over Lake Nipigon.
By 6:30 p.m. EST Wednesday trough from low located on a line
northeast-southwest over the St. Lawrence River.

By 6:30 p.m. EST Wednesday ridge located on a line north-south
over Lake Huron.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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