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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 17 June 2025

Today Tonight and Wednesday.

Wind south 10 knots increasing to south 15 this morning then diminishing to northeast 10 near midnight. Wind becoming light overnight then becoming east 10 Wednesday afternoon. Wind increasing to south 15 Wednesday evening.

Scattered showers this afternoon tonight and Wednesday. Risk of thunderstorms late this afternoon and this evening and Wednesday afternoon and evening. Fog patches dissipating near noon. Fog patches forming this evening and dissipating Wednesday evening.

Waves

Issued 03:00 AM EDT 17 June 2025
Today Tonight and Wednesday. Waves 0.5 metres or less building to 0.5 to 1 near noon then subsiding to 0.5 or less overnight.

Extended Forecast

Issued 03:00 AM EDT 17 June 2025
Thursday Wind northwest 15 knots diminishing to light late in the day.
Friday Wind light.
Saturday Wind south 15 knots.

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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
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 16 May 2025 Forecasts have ended for the season.

Ice Forecasts

Lake Michigan

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 3:00 AM EDT 17 June 2025 Today Tonight and Wednesday At 3:00 a.m. EDT today low 1002 mb located over western Lake
Superior.
By 3:00 a.m. EDT Wednesday low 989 mb located over central Quebec.

At 3:00 a.m. EDT today departing high 1022 mb located over Maine.

By 3:00 a.m. EDT Wednesday approaching low 1003 mb located over
Iowa.

Great Lakes - Lake Erie and Lake Ontario Area

Another Region

Marine Weather for Canada

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