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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 16 August 2026

Today Tonight and Monday.

Strong wind warning in effect.

Wind southeast 15 knots diminishing to south 10 this morning then becoming light this afternoon. Wind increasing to northwest 20 this evening then diminishing to northwest 15 Monday morning. Wind diminishing to light Monday evening.

Showers this afternoon tonight and Monday morning. Risk of thunderstorms this afternoon and this evening.

Waves

Issued 03:00 AM EDT 16 August 2026
Today Tonight and Monday. Waves 0.5 to 1 metre subsiding to 0.5 or less near noon then building to 1 to 1.5 near midnight. Waves subsiding to 0.5 to 1 near noon Monday and to 0.5 or less Monday evening.

Extended Forecast

Issued 03:00 AM EDT 16 August 2026
Tuesday Wind light becoming southwest 15 knots in the morning then diminishing to light late in the day.
Wednesday Wind northwest 15 knots diminishing to light.
Thursday Wind northwest 15 knots diminishing to light.

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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

Warnings (In effect)

Strong wind warning in effect

Southern Lake Huron

Issued 03:00 AM EDT 16 August 2026

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 16 August 2026 Today Tonight and Monday At 3:00 a.m. EDT today departing ridge located on a line north-south
over New Hampshire.

At 3:00 a.m. EDT today trough located on a line north-south over
western Lake Superior.
By 3:00 a.m. EDT Monday trough located on a line northwest-southeast
over western Quebec.

By 3:00 a.m. EDT Monday approaching ridge located on a line
northeast-southwest over northwestern Ontario.

By 3:00 a.m. EDT Monday trough located on a line northeast-southwest
over southern Manitoba.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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