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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 09 November 2025

Today Tonight and Monday.

Strong wind warning in effect.

Wind northeast 15 knots increasing to northeast 20 early this morning and to northeast 25 this afternoon. Wind backing to north 20 near midnight. Wind north 20 Monday.

Scattered showers or scattered flurries becoming flurries near midnight. Visibility 1 mile or less in flurries.

Waves

Issued 03:00 AM EST 09 November 2025
Today Tonight and Monday. Waves 0.5 to 1 metre building to 1 to 1.5 this morning and to 2 early this evening. Waves subsiding to 1 to 1.5 overnight.

Extended Forecast

Issued 03:00 AM EST 09 November 2025
Tuesday Wind north 15 knots backing to west 15 in the morning then increasing to southwest 25 late in the day.
Wednesday Wind southwest 25 knots veering to northwest 30 late in the day.
Thursday Wind northwest 25 knots.

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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
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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)

Strong wind warning in effect

Southern Lake Huron

Issued 03:00 AM EST 09 November 2025

'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 EST 9 November 2025 Today Tonight and Monday At 3:00 a.m. EST today quasi-stationary ridge located on a line
east-west over northern Ontario.

At 3:00 a.m. EST today low 1007 mb located over southern Indiana.
By 3:00 a.m. EST Monday low 1006 mb located over the Eastern
Seaboard.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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