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Northern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 30 April 2025

Today Tonight and Thursday.

Wind north 15 knots diminishing to variable 10 early this morning then becoming southeast 10 near midnight. Wind increasing to east 15 Thursday morning then backing to northeast 20 Thursday afternoon.

Showers and fog patches Thursday. Risk of thunderstorms Thursday afternoon and evening.

Waves

Issued 03:00 AM EDT 30 April 2025
Today Tonight and Thursday. Waves 0.5 to 1 metre subsiding to 0.5 or less this morning then building to 0.5 to 1 near noon Thursday. Waves building to 1 to 1.5 Thursday evening.

Extended Forecast

Issued 03:00 AM EDT 30 April 2025
Friday Wind northeast 15 knots backing to northwest 15 in the morning then diminishing to light in the afternoon.
Saturday Wind northwest 15 knots.
Sunday Wind north 15 knots.

Ice Forecast*

Issued 12:00 PM EDT 29 April 2025 Today Tonight and Wednesday 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 29 April 2025 Today Tonight and Wednesday

Ice Coverage

Open water.

Ice Forecasts

Lake Michigan

Issued 12:00 PM EDT 29 April 2025 Today Tonight and Wednesday

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 30 April 2025 Today Tonight and Thursday At 3:00 a.m. EDT today departing trough located on a line
northeast-southwest over eastern Ontario.

At 3:00 a.m. EDT today high 1025 mb located over Lake Superior.
By 3:00 a.m. EDT Thursday high 1024 mb located over western Quebec.

By 3:00 a.m. EDT Thursday approaching low 1005 mb located over
Missouri.

Great Lakes - Lake Erie and Lake Ontario Area

Another Region

Marine Weather for Canada

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