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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 11:02 AM EDT 13 August 2026

Today Tonight and Friday.

Wind northwest 10 knots becoming variable 10 this afternoon then becoming light this evening. Wind becoming north 10 Friday afternoon.

Waves

Issued 10:30 AM EDT 13 August 2026
Today Tonight and Friday. Waves 0.5 metres or less.

Extended Forecast

Issued 06:11 AM EDT 13 August 2026
Saturday Wind northeast 15 knots diminishing to light in the morning then becoming southeast 15 late in the day.
Sunday Wind south 15 knots increasing to northwest 20 late in the day.
Monday Wind northwest 20 knots diminishing to light late in the day.

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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
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 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

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 13 August 2026 Today Tonight and Friday At 10:30 a.m. EDT today ridge located over Minnesota to Ohio.
By 10:30 a.m. EDT Friday ridge located on a line northwest-southeast
over northern Ontario.

At 10:30 a.m. EDT today departing trough located on a line
northeast-southwest over New England.

By 10:30 a.m. EDT Friday approaching trough from low located on
a line east-west over Ohio.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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