Western Lake Ontario

Forecast

Marine Forecast

Issued 03:00 AM EST 22 February 2017

Today Tonight and Thursday

Wind variable 10 knots increasing to southwest 15 this afternoon and to southwest 20 near midnight. Wind increasing to southwest 25 Thursday morning then veering to west 20 Thursday afternoon. Wind veering to northwest 15 Thursday evening.

Chance of showers overnight and Thursday morning. Fog patches dissipating Thursday morning.

Waves

Issued 03:00 AM EST 22 February 2017
Today Tonight and Thursday Waves less than one half metre building to one early this evening and to 2 Thursday morning. Waves subsiding to one Thursday evening.

Extended Forecast

Issued 03:00 AM EST 22 February 2017
Friday Wind north 15 knots veering to east 20 in the morning then diminishing to light late in the day.
Saturday Wind south 25 knots.
Sunday Wind west 35 knots diminishing to west 20 late in the day.

Ice Forecast*

Issued 12:00 PM EST 21 February 2017 Today Tonight and Wednesday Open water.

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

 

[ Canadian Ice Service ]

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Weather Conditions

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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 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 Goderich Sarnia Chris Hadfield Airport Tobermory Harrow AAFC Port Weller St. Catharines Airport Southeast Shoal Vineland Station Welland-Pelham Windsor Airport Burlington Lift Bridge Cobourg Hamilton Munro Int'l Airport Oshawa Municipal Airport Point Petre Toronto City Centre Airport CFB Trenton Peterborough Municipal Airport Killarney Western Islands Cove Island Long Point Port Colborne Erieau Point Pelee
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Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EST 21 February 2017 Today Tonight and Wednesday

Ice Coverage

Open water.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EST 22 February 2017 Today Tonight and Thursday At 3:00 a.m. EST today weakening low 994 mb located over eastern
Hudson Bay.
By 3:00 a.m. EST Thursday low 1003 mb located over eastern
Hudson Bay.

At 3:00 a.m. EST today low 1002 mb located over South Dakota.
By 3:00 a.m. EST Thursday low 998 mb located over northeastern
Ontario.

At 3:00 a.m. EST today ridge located on a line northwest-southeast
over southern Saskatchewan.
By 3:00 a.m. EST Thursday ridge located on a line
northwest-southeast over southern Manitoba.

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