Eastern Lake Ontario

Forecast

Marine Forecast

Issued 10:30 AM EDT 20 August 2018

Today Tonight and Tuesday.

Strong wind warning in effect.

Wind southeast 15 knots diminishing to southeast 10 near noon then increasing to southeast 15 near midnight. Wind veering to south 15 early Tuesday morning then increasing to south 20 Tuesday afternoon. Wind veering to southwest 20 Tuesday evening.

Showers beginning Tuesday morning with a risk of thunderstorms.

Waves

Issued 10:30 AM EDT 20 August 2018
Today Tonight and Tuesday. Waves one half metre or less building to one half to one metre late overnight.

Extended Forecast

Issued 03:00 AM EDT 20 August 2018
Wednesday Wind northwest 20 knots.
Thursday Wind northwest 15 knots diminishing to light.
Friday Wind light becoming southwest 15 knots.

Ice Forecast*

Issued 12:00 PM EDT 6 July 2018 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 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 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 6 July 2018

Ice Coverage

Forecasts available to mariners upon request.

Warnings

Warnings (In effect)

Strong wind warning in effect

Eastern Lake Ontario

Issued 10:30 AM EDT 20 August 2018

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. 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 10:30 AM EDT 20 August 2018 Today Tonight and Tuesday At 10:30 a.m. EDT today quasi-stationary ridge located on a line
northeast-southwest over the Gulf of St. Lawrence.

At 10:30 a.m. EDT today low 1002 mb located over Iowa.
By 10:30 a.m. EDT Tuesday low 1006 mb located over southern Lower
Michigan.

At 10:30 a.m. EDT today ridge located on a line east-west over
northern Ontario.
By 10:30 a.m. EDT Tuesday ridge located on a line
northeast-southwest over northwestern Ontario.

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