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Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 03 April 2025

Today Tonight and Friday.

Wind south 20 knots veering to southwest 25 this morning then to west 20 this afternoon. Wind veering to northwest 15 this evening then diminishing to northwest 10 overnight. Wind becoming light Friday morning then becoming east 10 Friday evening.

Scattered showers and fog patches ending this afternoon with a risk of thunderstorms.

Waves

Issued 03:00 AM EDT 03 April 2025
Today Tonight and Friday. Waves 1 metre building to 1.5 near noon then subsiding to 1 early this evening. Waves subsiding to 0.5 or less Friday morning.

Extended Forecast

Issued 03:00 AM EDT 03 April 2025
Saturday Wind east 15 knots increasing to east 20 in the morning then diminishing to light late in the day.
Sunday Wind northwest 15 knots.
Monday Wind light becoming northwest 15 knots late in the day.

Ice Forecast*

Issued 12:00 PM EDT 2 April 2025 Today Tonight and Thursday Open water.

*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
Legend:
buoy Buoy
land station Land Station
Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 2 April 2025 Today Tonight and Thursday

Ice Coverage

Open water.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 3 April 2025 Today Tonight and Friday At 3:00 a.m. EDT today low 994 mb located over western Lake
Superior.
By 3:00 a.m. EDT Friday low 1002 mb located over central Quebec.

By 3:00 a.m. EDT Friday ridge located on a line northwest-southeast
over northwestern Ontario.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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