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Northern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 14 August 2026

Tonight and Saturday.

Wind light becoming northeast 10 knots near midnight then veering to east 10 early Saturday morning. Wind increasing to east 15 Saturday evening.

Waves

Issued 06:30 PM EDT 14 August 2026
Tonight and Saturday. Waves 0.5 metres or less building to 0.5 to 1 Saturday evening.

Extended Forecast

Issued 06:30 PM EDT 14 August 2026
Sunday Wind southeast 15 knots becoming northwest 15 in the afternoon then increasing to northwest 20 late in the day.
Monday Wind northwest 20 knots diminishing to light late in the day.
Tuesday Wind light becoming southwest 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 6:30 PM EDT 14 August 2026 Tonight and Saturday At 6:30 p.m. EDT tonight ridge located on a line northwest-southeast
over northern Ontario.
By 6:30 p.m. EDT Saturday high 1020 mb located over southern Quebec.

By 6:30 p.m. EDT Saturday approaching trough located on a line
north-south over northwestern Ontario.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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