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Southern Lake Huron

Forecast

Marine Forecast

Issued 03:00 AM EDT 16 October 2026

Today Tonight and Saturday.

Gale warning in effect.

Wind southwest 20 knots veering to northwest 25 this morning then increasing to north 35 early this evening. Wind diminishing to north 25 overnight and to north 15 Saturday morning. Wind diminishing to west 10 near noon Saturday then increasing to southwest 20 Saturday evening.

Scattered showers ending Saturday morning.

Waves

Issued 03:00 AM EDT 16 October 2026
Today Tonight and Saturday. Waves 0.5 to 1 metre building to 2 to 3 near noon then subsiding to 0.5 near noon Saturday. Waves building to 1 Saturday evening.

Extended Forecast

Issued 03:00 AM EDT 16 October 2026
Sunday Wind southwest 25 knots increasing to southwest 30 in the afternoon.
Monday Wind southwest 25 knots diminishing to light late in the day.
Tuesday Wind light becoming east 15 knots late in the day.

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Weather Conditions

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

Gale warning in effect

Southern Lake Huron

Issued 03:00 AM EDT 16 October 2026

'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.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 16 October 2026 Today Tonight and Saturday At 10:30 a.m. EDT today low 999 mb located over eastern Ontario.
By 10:30 a.m. EDT Saturday departing low 984 mb located over
southern Labrador.

At 10:30 a.m. EDT today ridge located on a line northeast-southwest
over North Dakota.
By 10:30 a.m. EDT Saturday ridge located on a line
northeast-southwest over Wisconsin.

Great Lakes - Lake Erie and Lake Ontario Area

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