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Lake St. Clair

Forecast

Marine Forecast

Issued 10:30 AM EDT 15 June 2025

Today Tonight and Monday.

Wind northeast 10 knots becoming light early Monday morning.

Waves

Issued 10:30 AM EDT 15 June 2025
Today Tonight and Monday. Waves 0.5 metres or less subsiding to less than 0.5 Monday morning.

Extended Forecast

Issued 03:00 AM EDT 15 June 2025
Tuesday Wind light becoming south 15 knots in the morning.
Wednesday Wind light becoming south 15 knots.
Thursday Wind southwest 15 knots diminishing to light.

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Weather Conditions

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Map of Great Lakes - Lake Erie and Lake Ontario marine weather areas Harrow AAFC Burlington Lift Bridge Oshawa Executive Airport Point Pelee Peterborough Municipal Airport Point Petre Hamilton Munro Int'l Airport Erieau Cobourg Toronto City Centre Airport Port Colborne CFB Trenton South Lake Huron - 45149 Windsor Airport Great Duck Island 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 Welland-Pelham Lake St Clair - 45147 South Georgian Bay - 45143 Port Colborne - 45142 Grimsby - 45139 Georgian Bay - 45137 Prince Edward Point - 45135 Port Stanley - 45132 Vineland Station Brockville Grenadier Island Kingston Airport Collingwood Lagoon City Muskoka Airport Parry Sound Harbour Lake Simcoe Regional Airport Wiarton Airport Cove Island Goderich Sarnia Chris Hadfield Airport Western Islands Tobermory Long Point Port Weller St. Catharines / Niagara District Airport Southeast Shoal
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Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 16 May 2025 Forecasts have ended for the season.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 15 June 2025 Today Tonight and Monday At 10:30 a.m. EDT today high 1025 mb located over James Bay.
By 10:30 a.m. EDT Monday high 1024 mb located near Nova Scotia.

By 10:30 a.m. EDT Monday low 1007 mb located over eastern South
Dakota.

Great Lakes - Lake Erie and Lake Ontario Area

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