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Lake St. Clair

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 08 October 2026

Today Tonight and Friday.

Wind west 15 knots diminishing to west 10 late overnight then becoming light Friday morning. Wind becoming southeast 10 Friday evening.

Waves

Issued 10:30 AM EDT 08 October 2026
Today Tonight and Friday. Waves 0.5 metres.

Extended Forecast

Issued 03:00 AM EDT 08 October 2026
Saturday Wind light becoming south 15 knots in the afternoon.
Sunday Wind south 15 knots.
Monday Wind light.

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

*Ice Forecast and Warnings also apply to U.S. waters

Ice Forecasts

Issued 12:00 PM EDT 17 May 2026 Forecasts have ended for the season.
Warnings

No watches or warnings in effect.

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 Huron Area

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Marine Weather for Canada

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