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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 08 October 2026

Today Tonight and Friday.

Strong wind warning in effect.

Wind northwest 20 knots diminishing to northwest 15 early this evening then backing to west 15 early Friday morning. Wind diminishing to light Friday afternoon then becoming southeast 10 Friday evening.

Waves

Issued 10:30 AM EDT 08 October 2026
Today Tonight and Friday. Waves 1 to 1.5 metres subsiding to 0.5 to 1 this evening and to 0.5 or less Friday evening.

Extended Forecast

Issued 03:00 AM EDT 08 October 2026
Saturday Wind light increasing to south 20 knots in the morning.
Sunday Wind southwest 20 knots.
Monday Wind light becoming south 15 knots.

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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)

Strong wind warning in effect

Southern Lake Huron

Issued 10:30 AM EDT 08 October 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.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 8 October 2026 Today Tonight and Friday At 10:30 a.m. EDT today departing low 995 mb located east of
James Bay.

At 10:30 a.m. EDT today departing cold front from low located on
a line northeast-southwest over Vermont.

At 10:30 a.m. EDT today ridge from 1020 mb high located on a line
northwest-southeast over North Dakota.
By 10:30 a.m. EDT Friday ridge from 1022 mb high located from
Windsor to Lake Nipigon.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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