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Northern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 28 April 2025

Today Tonight and Tuesday.

Wind south 15 knots increasing to south 20 this afternoon then veering to southwest 25 Tuesday morning. Wind veering to northwest 30 Tuesday afternoon.

Scattered showers overnight and Tuesday with a risk of thunderstorms. Fog patches forming Tuesday morning and dissipating Tuesday evening.

Waves

Issued 10:30 AM EDT 28 April 2025
Today Tonight and Tuesday. Waves 0.5 to 1 metre building to 1 to 1.5 early this evening and to 2 to 3 near midnight.

Extended Forecast

Issued 03:00 AM EDT 28 April 2025
Wednesday Wind north 20 knots diminishing to light in the morning.
Thursday Wind light becoming east 15 knots late in the day.
Friday Wind northeast 15 knots backing to northwest 20.

Ice Forecast*

Issued 12:00 PM EDT 27 April 2025 Today Tonight and Monday Open water.

*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

Northern Lake Huron

Issued 12:00 PM EDT 27 April 2025 Today Tonight and Monday

Ice Coverage

Open water.

Ice Forecasts

Lake Michigan

Issued 12:00 PM EDT 27 April 2025 Today Tonight and Monday

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 28 April 2025 Today Tonight and Tuesday At 10:30 a.m. EDT today departing ridge located on a line
north-south over eastern Ontario.

At 10:30 a.m. EDT today departing trough located on a line
northeast-southwest over northern Ontario.

At 10:30 a.m. EDT today low 995 mb located over southeastern
South Dakota.
By 10:30 a.m. EDT Tuesday low 997 mb located over northeastern
Ontario.

Great Lakes - Lake Erie and Lake Ontario Area

Another Region

Marine Weather for Canada

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