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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 30 April 2025

Today Tonight and Thursday.

Wind variable 10 knots becoming light near midnight then becoming east 15 Thursday morning. Wind veering to southeast 15 near noon Thursday then to south 15 Thursday afternoon except northeast 15 over northern sections. Wind diminishing to variable 10 Thursday evening.

Showers Thursday with a risk of thunderstorms. Fog patches forming near noon Thursday.

Waves

Issued 10:30 AM EDT 30 April 2025
Today Tonight and Thursday. Waves 1 metre subsiding to 0.5 or less near noon then building to 1 near noon Thursday.

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 30 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 30 April 2025 Today Tonight and Thursday

Ice Coverage

Ice free.

Ice Forecasts

Lake Michigan

Issued 12:00 PM EDT 30 April 2025 Today Tonight and Thursday

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 30 April 2025 Today Tonight and Thursday At 10:30 a.m. EDT today high 1025 mb located over northeastern
Ontario.
By 10:30 a.m. EDT Thursday high 1024 mb located over eastern Quebec.

By 10:30 a.m. EDT Thursday approaching low 1004 mb located over
Lake Michigan.

Great Lakes - Lake Erie and Lake Ontario Area

Another Region

Marine Weather for Canada

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