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Eastern Lake Ontario

Forecast

Marine Forecast

Issued 10:30 AM EDT 21 October 2019

Today Tonight and Tuesday.

Strong wind warning in effect.

Wind east 10 knots increasing to east 15 near noon and to east 20 early this evening. Wind veering to southeast 20 near midnight then increasing to southeast 25 early Tuesday morning. Wind diminishing to south 15 Tuesday afternoon.

Showers Tuesday. Fog patches dissipating near noon.

Waves

Issued 10:30 AM EDT 21 October 2019
Today Tonight and Tuesday. Waves one half metre or less building to one this afternoon and to one and one half metres Tuesday morning. Waves subsiding to one Tuesday evening.

Extended Forecast

Issued 03:00 AM EDT 21 October 2019
Wednesday Wind west 20 knots increasing to west 30 in the morning.
Thursday Wind west 20 knots.
Friday Wind northwest 15 knots diminishing to light.

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 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 EDT 19 May 2019

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 21 October 2019

'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 21 October 2019 Today Tonight and Tuesday At 10:30 a.m. EDT today high 1023 mb located over western Quebec.
By 10:30 a.m. EDT Tuesday high 1030 mb located over Labrador.

At 10:30 a.m. EDT today low 990 mb located over Iowa.
By 10:30 a.m. EDT Tuesday low 990 mb located over western Lake
Superior.

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