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Southern Lake Huron

Forecast

Marine Forecast

Issued 06:30 PM EST 20 January 2026

Tonight and Wednesday.

Wind southwest 25 knots veering to west 20 Wednesday afternoon.

Scattered flurries changing to snow Wednesday morning. Visibility 1 mile or less in snow.

Freezing spray warning in effect.

Freezing spray ending Wednesday evening.

Waves

Issued 06:30 PM EST 20 January 2026
Tonight and Wednesday. Over open water waves 2 metres subsiding to 1.5 Wednesday evening.

Extended Forecast

Issued 06:30 PM EST 20 January 2026
Thursday Wind west 25 knots.
Friday Wind west 25 knots.
Saturday Wind northwest 25 knots diminishing to west 15 late in the day.

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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
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

Warnings (In effect)

Freezing spray warning in effect

Southern Lake Huron

Issued 6:30 PM EST 20 January 2026

Moderate or severe freezing spray is 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 or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EST 20 January 2026 Tonight and Wednesday At 6:30 p.m. EST tonight departing ridge located from Kentucky to
New York State.

At 6:30 p.m. EST tonight departing trough located on a line
northeast-southwest over northeastern Ontario.

At 6:30 p.m. EST tonight low 1001 mb located over northern Manitoba.
By 6:30 p.m. EST Wednesday low 1005 mb located over Lake Superior.

Great Lakes - Lake Erie and Lake Ontario Area

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