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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 15 January 2026

Today Tonight and Friday.

Wind north 30 knots diminishing to northwest 20 near noon and to northwest 15 early this evening. Wind diminishing to west 10 near midnight then increasing to southwest 20 Friday morning. Wind backing to south 25 Friday afternoon then veering to southwest 25 Friday evening.

Flurries ending this afternoon. Flurries Friday. Visibility 1 mile or less in flurries.

Freezing spray warning in effect.

Freezing spray ending early this afternoon. Risk of freezing spray late this afternoon.

Waves

Issued 03:00 AM EST 15 January 2026
Today Tonight and Friday. Waves 2 to 3 metres subsiding to 1 to 1.5 this afternoon and to 0.5 to 1 this evening. Waves building to 1 to 1.5 near noon Friday and to 2 Friday evening.

Extended Forecast

Issued 03:00 AM EST 15 January 2026
Saturday Wind southwest 20 knots.
Sunday Wind west 15 knots increasing to southwest 25 late in the day.
Monday Wind southwest 25 knots veering to northwest 30.

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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:
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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 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)

Freezing spray warning in effect

Southern Lake Huron

Issued 03:00 AM EST 15 January 2026

Moderate or severe freezing spray is 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 EST 15 January 2026 Today Tonight and Friday At 10:30 a.m. EST today low 995 mb located over southeastern Quebec.
By 10:30 a.m. EST Friday low 980 mb located over northern Nova
Scotia.

At 10:30 a.m. EST today ridge located over Lake Superior.
By 10:30 a.m. EST Friday ridge located on a line north-south over
northeastern Ontario.

At 10:30 a.m. EST today trough located on a line north-south over
northwestern Ontario.
By 10:30 a.m. EST Friday trough located on a line north-south over
northwestern Michigan.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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