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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 22 May 2025

Today Tonight and Friday.

Strong wind warning in effect.

Wind north 20 knots backing to northwest 20 early this evening then diminishing to northwest 15 late overnight. Wind northwest 15 Friday.

Showers and fog patches.

Waves

Issued 10:30 AM EDT 22 May 2025
Today Tonight and Friday. Waves 2 metres subsiding to 1 early Friday morning.

Extended Forecast

Issued 03:00 AM EDT 22 May 2025
Saturday Wind northwest 15 knots.
Sunday Wind northwest 15 knots diminishing to light.
Monday Wind light.

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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
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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 16 May 2025 Forecasts have ended for the season.

Ice Forecasts

Lake Michigan

Issued 12:00 PM EDT 16 May 2025 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Strong wind warning in effect

Southern Lake Huron

Issued 10:30 AM EDT 22 May 2025

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 22 May 2025 Today Tonight and Friday At 10:30 a.m. EDT today low 1001 mb located north of Lake Erie.
By 10:30 a.m. EDT Friday low 1007 mb located over Lake Ontario.

At 10:30 a.m. EDT today quasi-stationary ridge located on a line
northeast-southwest over the Ontario - Manitoba border.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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