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Northern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 12 May 2025

Tonight and Tuesday.

Wind southeast 10 knots increasing to southeast 15 this evening then diminishing to southeast 10 late overnight. Wind backing to east 10 Tuesday afternoon then veering to southeast 10 Tuesday evening.

Scattered showers Tuesday evening. Fog patches forming Tuesday morning.

Waves

Issued 06:30 PM EDT 12 May 2025
Tonight and Tuesday. Waves 0.5 metres building to 1 this evening then subsiding to 0.5 early Tuesday morning.

Extended Forecast

Issued 06:30 PM EDT 12 May 2025
Wednesday Wind southeast 15 knots diminishing to light in the morning.
Thursday Wind light becoming southeast 15 knots late in the day.
Friday Wind southeast 15 knots veering to southwest 20.

Ice Forecast*

Issued 12:00 PM EDT 12 May 2025 Today Tonight and Tuesday Ice free.

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

  

[ Canadian Ice Service ]

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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 12 May 2025 Today Tonight and Tuesday

Ice Coverage

Ice free.

Ice Forecasts

Lake Michigan

Issued 12:00 PM EDT 12 May 2025 Today Tonight and Tuesday

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 12 May 2025 Tonight and Tuesday At 6:30 p.m. EDT tonight ridge located on a line north-south over
eastern Ontario.
By 6:30 p.m. EDT Tuesday departing ridge located off the Eastern
Seaboard.

At 6:30 p.m. EDT tonight low 996 mb located over southern Alberta.
By 6:30 p.m. EDT Tuesday low 995 mb located over northwestern
Ontario.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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