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Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 21 August 2019

Today Tonight and Thursday.

Wind light becoming west 15 knots near midnight then diminishing to west 10 near noon Thursday. Wind veering to north 10 Thursday evening.

Showers this evening with a risk of thunderstorms.

Waves

Issued 10:30 AM EDT 21 August 2019
Today Tonight and Thursday. Waves less than one half metre building to one late overnight then subsiding to one half metre or less Thursday afternoon.

Extended Forecast

Issued 03:00 AM EDT 21 August 2019
Friday Wind north 15 knots diminishing to light in the afternoon.
Saturday Wind northeast 15 knots.
Sunday Wind east 15 knots.

Ice Forecast*

Issued 12:00 PM EDT 19 May 2019 Forecasts available to mariners upon request.

*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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» US Marine Weather
Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 19 May 2019

Ice Coverage

Forecasts available to mariners upon request.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 21 August 2019 Today Tonight and Thursday At 10:30 a.m. EDT today trough located on a line northeast-southwest
over Lake Huron.
By 10:30 a.m. EDT Thursday trough located on a line
northeast-southwest over New England.

By 10:30 a.m. EDT Thursday approaching ridge located on a line
north-south over northwestern Ontario.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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