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Northern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 10 August 2026

Today Tonight and Tuesday.

Wind light becoming west 10 knots near noon then increasing to northwest 15 early this evening. Wind diminishing to northwest 10 near midnight then becoming light Tuesday morning. Wind becoming southwest 10 Tuesday evening.

Scattered showers today with a risk of thunderstorms.

Waves

Issued 03:00 AM EDT 10 August 2026
Today Tonight and Tuesday. Waves 0.5 metres or less building to 0.5 to 1 this evening then subsiding to 0.5 or less overnight.

Extended Forecast

Issued 03:00 AM EDT 10 August 2026
Wednesday Wind light.
Thursday Wind light becoming northwest 15 knots.
Friday Wind north 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
Legend:
buoy Buoy
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 3:00 AM EDT 10 August 2026 Today Tonight and Tuesday At 3:00 a.m. EDT today trough located on a line northeast-southwest
over Iowa.
By 3:00 a.m. EDT Tuesday trough located on a line east-west over
Lower Michigan.

At 3:00 a.m. EDT today ridge located on a line northwest-southeast
over southern Saskatchewan.
By 3:00 a.m. EDT Tuesday ridge located on a line east-west over
northwestern Ontario.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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