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Lake St. Clair


Marine Forecast

Issued 10:30 AM EDT 12 June 2024

Today Tonight and Thursday.

Wind southwest 10 knots backing to south 10 near noon then increasing to south 15 early this evening. Wind increasing to southwest 15 to 20 early Thursday morning then becoming west 15 Thursday evening.

Scattered showers Thursday evening with a risk of thunderstorms.


Issued 10:30 AM EDT 12 June 2024
Today Tonight and Thursday. Waves less than 0.5 metres building to 0.5 or less Thursday morning.

Extended Forecast

Issued 03:00 AM EDT 12 June 2024
Friday Wind light.
Saturday Wind light.
Sunday Wind light.

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Map of Great Lakes - Lake Huron marine weather areas N Huron - 45003 W Erie - 45005 S Huron - 45008 Lake Ontario - 45012 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 Great Duck Island Brockville Grenadier Island Kingston Airport Collingwood Lagoon City Muskoka Airport Parry Sound Harbour Lake Simcoe Regional Airport Wiarton Airport Western Islands Cove Island Goderich Sarnia Chris Hadfield Airport Tobermory Harrow AAFC Long Point Port Weller St. Catharines / Niagara District Airport Southeast Shoal Vineland Station Welland-Pelham Windsor Airport Port Colborne Erieau Point Pelee Burlington Lift Bridge Cobourg Hamilton Munro Int'l Airport Oshawa Executive Airport Point Petre Toronto City Centre Airport CFB Trenton Peterborough Municipal Airport
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Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 27 April 2024 Forecasts have ended for the season.

No watches or warnings in effect.


Technical Marine Synopsis

Issued 6:30 PM EDT 12 June 2024 Tonight and Thursday At 6:30 p.m. EDT tonight departing ridge located on a line
northeast-southwest over New England.

At 6:30 p.m. EDT tonight low 1000 mb located near Lake of the Woods.
By 6:30 p.m. EDT Thursday low 999 mb located southeast of James Bay.

At 6:30 p.m. EDT tonight cold front from low located on a line
north-south over Minnesota.
By 6:30 p.m. EDT Thursday cold front from low located on a line
northeast-southwest over Lake Nipissing.

Great Lakes - Lake Huron Area

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