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Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EST 30 January 2025

Today Tonight and Friday.

Wind southwest 15 knots diminishing to variable 10 near noon then increasing to southwest 15 near midnight. Wind diminishing to light early Friday morning then becoming northeast 10 near noon Friday. Wind increasing to north 15 Friday evening.

Scattered flurries ending this evening. Periods of snow or rain Friday afternoon and evening.

Waves

Issued 10:30 AM EST 30 January 2025
Today Tonight and Friday. Waves 0.5 to 1 metre subsiding to 0.5 or less this afternoon then building to 0.5 to 1 late overnight. Waves subsiding to 0.5 or less Friday morning then building to 1 Friday evening.

Extended Forecast

Issued 03:00 AM EST 30 January 2025
Saturday Wind north 20 knots diminishing to light in the afternoon.
Sunday Wind southeast 20 knots veering to southwest 20 late in the day.
Monday Wind west 30 knots.

Ice Forecast*

Issued 12:00 PM EST 30 January 2025 Today Tonight and Friday Open water except 2 tenths thin lake ice along parts of the shores.

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

 

[ Canadian Ice Service ]

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Map of Great Lakes - Lake Huron marine weather areas 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

Issued 12:00 PM EST 30 January 2025 Today Tonight and Friday

Ice Coverage

Open water except 2 tenths thin lake ice along parts of the shores.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EST 30 January 2025 Today Tonight and Friday At 10:30 a.m. EST today ridge located on a line north-south over
eastern Ontario.
By 10:30 a.m. EST Friday departing ridge located on a line
north-south over Nova Scotia.

At 10:30 a.m. EST today low 1008 mb located over northwestern
Ontario.
By 10:30 a.m. EST Friday weakening low 1012 mb located over
southern Quebec.

By 10:30 a.m. EST Friday approaching low 1001 mb located over
Illinois.

By 10:30 a.m. EST Friday approaching ridge located on a line
east-west over northern Ontario.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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