Eastern Lake Ontario

Forecast

Marine Forecast

Issued 03:00 AM EST 20 November 2018

Today Tonight and Wednesday.

Gale warning in effect.

Wind light becoming northwest 10 knots late this morning then increasing to west 15 this afternoon. Wind increasing to west 20 early this evening and to southwest 30 after midnight. Wind increasing to southwest 35 Wednesday morning then veering to west 35 near noon Wednesday. Wind diminishing to west 25 Wednesday afternoon then veering to northwest 20 Wednesday evening.

Showers beginning early this morning changing to periods of snow this morning and ending this afternoon. Flurries overnight and Wednesday morning. Visibility 1 mile or less in flurries.

Waves

Issued 03:00 AM EST 20 November 2018
Today Tonight and Wednesday. Waves less than one half metre building to one late this afternoon and to 2 after midnight. Waves building to 3 Wednesday morning then subsiding to 2 Wednesday afternoon and to one half to one metre Wednesday evening.

Extended Forecast

Issued 03:00 AM EST 20 November 2018
Thursday Wind north 20 knots diminishing to light in the afternoon.
Friday Wind light becoming south 15 knots.
Saturday Wind south 15 knots.

Ice Forecast*

Issued 12:00 PM EST 19 November 2018 Today Tonight and Tuesday Ice free.

*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 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 EST 19 November 2018 Today Tonight and Tuesday

Ice Coverage

Ice free.

Warnings

Warnings (In effect)

Gale warning in effect

Eastern Lake Ontario

Issued 03:00 AM EST 20 November 2018

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EST 20 November 2018 Today Tonight and Wednesday At 3:00 a.m. EST today low 1011 mb located over eastern
Pennsylvania.
By 3:00 a.m. EST Wednesday low 998 mb located over southern
Nova Scotia.

At 3:00 a.m. EST today ridge located on a line northeast-southwest
over Lake Nipigon.
By 3:00 a.m. EST Wednesday ridge located on a line
northeast-southwest over Quebec.

At 3:00 a.m. EST today low 1013 mb located over southern
Saskatchewan.
By 3:00 a.m. EST Wednesday low 1011 mb located over Georgian Bay.

By 3:00 a.m. EST Wednesday approaching ridge located on a line
north-south over the Ontario - Manitoba border.

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