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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 23 April 2025

Today Tonight and Thursday.

Wind east 10 knots increasing to east 15 early this evening then becoming southwest 15 near midnight. Wind diminishing to southwest 10 early Thursday morning then becoming light near noon Thursday. Wind becoming northeast 15 Thursday evening.

Scattered showers tonight and Thursday morning with a risk of thunderstorms. Fog patches forming Thursday morning.

Waves

Issued 10:30 AM EDT 23 April 2025
Today Tonight and Thursday. Waves 0.5 metres or less.

Extended Forecast

Issued 03:00 AM EDT 23 April 2025
Friday Wind east 20 knots.
Saturday Wind north 25 knots diminishing to northwest 15 late in the day.
Sunday Wind light.

Ice Forecast*

Issued 12:00 PM EDT 23 April 2025 Today Tonight and Thursday 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

Southern Lake Huron

Issued 12:00 PM EDT 23 April 2025 Today Tonight and Thursday

Ice Coverage

Ice free.

Ice Forecasts

Northern Lake Michigan

Issued 12:00 PM EDT 23 April 2025 Today Tonight and Thursday

Ice Coverage

Open water.

Ice Forecasts

Southern Lake Michigan

Issued 12:00 PM EDT 23 April 2025 Today Tonight and Thursday

Ice Coverage

Ice free.

Ice Forecasts

Green Bay

Issued 12:00 PM EDT 23 April 2025 Today Tonight and Thursday

Ice Coverage

Open water.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 23 April 2025 Today Tonight and Thursday At 10:30 a.m. EDT today departing low 1016 mb located over
northeastern Quebec.

At 10:30 a.m. EDT today ridge located from Lake Ontario to
Hudson Bay.
By 10:30 a.m. EDT Thursday ridge located from the East Coast of
the U.S. to Hudson Bay.

At 10:30 a.m. EDT today weakening low 1012 mb located near Lake
of the Woods.
By 10:30 a.m. EDT Thursday weakening low 1022 mb located over
northeastern Ontario.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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