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Southern Lake Huron


Marine Forecast

Issued 03:00 AM EDT 20 May 2024

Today Tonight and Tuesday.

Wind light becoming southeast 10 knots this afternoon then increasing to south 15 near midnight. Wind diminishing to southwest 10 Tuesday morning then becoming light Tuesday afternoon. Wind becoming southeast 10 Tuesday evening.

Scattered showers tonight and Tuesday with a risk of thunderstorms.


Issued 03:00 AM EDT 20 May 2024
Today Tonight and Tuesday. Waves 0.5 metres or less building to 0.5 to 1 overnight then subsiding to 0.5 or less near noon Tuesday.

Extended Forecast

Issued 03:00 AM EDT 20 May 2024
Wednesday Wind east 15 knots veering to south 20 in the afternoon.
Thursday Wind southwest 20 knots veering to northwest 20.
Friday Wind northwest 20 knots diminishing to light.

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Map of Great Lakes - Lake Huron marine weather areas N Huron - 45003 W Erie - 45005 S Huron - 45008 Lake Ontario - 45012 Port Stanley - 45132 Prince Edward Point - 45135 Georgian Bay - 45137 Grimsby - 45139 Port Colborne - 45142 South Georgian Bay - 45143 Lake St Clair - 45147 South Lake Huron - 45149 Lake Simcoe - 45151 Lake Nipissing - 45152 North Channel - 45154 Ajax - 45159 Sault Ste. Marie Airport Killarney Greater Sudbury Airport North Bay Airport Gore Bay-Manitoulin Airport Great Duck Island Brockville Grenadier Island Kingston Airport Collingwood Lagoon City Muskoka Airport Parry Sound Harbour Lake Simcoe Regional Airport Wiarton Airport Western Islands Cove Island Goderich Sarnia Chris Hadfield Airport Tobermory Harrow AAFC Long Point Port Weller St. Catharines / Niagara District Airport Southeast Shoal Vineland Station Welland-Pelham Windsor Airport Port Colborne Erieau Point Pelee Burlington Lift Bridge Cobourg Hamilton Munro Int'l Airport Oshawa Executive Airport Point Petre Toronto City Centre Airport CFB Trenton Peterborough Municipal Airport
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Ice Conditions

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

Ice Forecasts

Lake Huron

Issued 12:00 PM EDT 27 April 2024 Forecasts have ended for the season.

Ice Forecasts

Lake Michigan

Issued 12:00 PM EDT 27 April 2024 Forecasts have ended for the season.

No watches or warnings in effect.


Technical Marine Synopsis

Issued 3:00 AM EDT 20 May 2024 Today Tonight and Tuesday At 3:00 a.m. EDT today departing low 996 mb located over Hudson Bay.

At 3:00 a.m. EDT today weakening cold front located on a line
northeast-southwest over southern Ontario.

At 3:00 a.m. EDT today low 1006 mb located over South Dakota.
By 3:00 a.m. EDT Tuesday low 1008 mb located near Lake Huron.

Great Lakes - Lake Huron Area

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