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Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 30 March 2023

Tonight and Friday.

Wind southwest 15 knots diminishing to light near midnight then becoming east 15 early Friday morning. Wind veering to south 15 Friday evening.

Periods of rain Friday.

Waves

Issued 06:30 PM EDT 30 March 2023
Tonight and Friday. Waves 0.5 metres or less building to 0.5 to 1 Friday morning.

Extended Forecast

Issued 06:30 PM EDT 30 March 2023
Saturday Wind south 15 knots increasing to southwest 30 in the afternoon then veering to northwest 25 late in the day.
Sunday Wind northwest 25 knots diminishing to light.
Monday Wind light becoming southwest 15 knots.

Ice Forecast*

Issued 12:00 PM EDT 30 March 2023 Today Tonight and Friday Open water.

*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 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

Issued 12:00 PM EDT 30 March 2023 Today Tonight and Friday

Ice Coverage

Open water.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 30 March 2023 Tonight and Friday At 6:30 p.m. EDT tonight ridge located on a line north-south over
eastern Lake Ontario.
By 6:30 p.m. EDT Friday ridge located on a line north-south over
Nova Scotia.

At 6:30 p.m. EDT tonight low 994 mb located over northeastern
Colorado.
By 6:30 p.m. EDT Friday low 987 mb located over northwestern
Illinois.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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