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Western Lake Ontario

Forecast

Marine Forecast

Issued 01:29 PM EDT 29 March 2020

Today Tonight and Monday.

Squall watch in effect.

Wind southwest 20 knots with gusts to 35 near thunderstorms. Wind becoming southwest 25 late this afternoon then diminishing to southwest 20 early Monday morning. Wind veering to west 15 Monday evening.

Showers. Risk of thunderstorms this afternoon and this evening. Fog patches dissipating this afternoon.

Waves

Issued 10:30 AM EDT 29 March 2020
Today Tonight and Monday. Waves 2 metres subsiding to one and one half metres this afternoon then building to 2 this evening. Waves subsiding to one Monday morning.

Extended Forecast

Issued 03:00 AM EDT 29 March 2020
Tuesday Wind light becoming northeast 15 knots in the afternoon.
Wednesday Wind northeast 15 knots.
Thursday Wind northeast 15 knots diminishing to light.

Ice Forecast*

Issued 12:00 PM EDT 29 March 2020 Today Tonight and Monday Ice free.

*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 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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buoy Buoy
land station Land Station
Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 29 March 2020 Today Tonight and Monday

Ice Coverage

Ice free.

Warnings

Warnings (In effect)

Squall warning in effect

Western Lake Ontario

Issued 2:59 PM EDT 29 March 2020 Squalls with wind gusts up to 40 knots are expected or occurring in the area.

Squalls with wind gusts up to 40 knots are expected this afternoon.

Radar images show a line of thunderstorms from south of Cobourg to 20 km west of Rochester continues to move northeastward at 70 km/h.

Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.

Watches (In effect)

Squall watch in effect

Western Lake Ontario

Issued 1:26 PM EDT 29 March 2020 Conditions are favourable for the development of squalls with wind gusts up to 35 knots.

A line of strong thunderstorms over Eastern Lake Erie is moving northeastwards at 70 km/h. This line might reach the west end of Western Lake Ontario in the next hour.

Mariners are advised to prepare for potential squalls. Vulnerable vessels are most at risk and should seek safe harbour if underway.

Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 29 March 2020 Today Tonight and Monday At 10:30 a.m. EDT today low 994 mb located over northeastern
Wisconsin.
By 10:30 a.m. EDT Monday low 1008 mb located east of Georgian Bay.

At 10:30 a.m. EDT today trough from low located on a line east-west
over Toronto.
By 10:30 a.m. EDT Monday dissipating trough from low located from
the low to Kingston then to Pennsylvania.

At 10:30 a.m. EDT today ridge located on a line north-south over
North Dakota.
By 10:30 a.m. EDT Monday ridge located on a line north-south over
northwestern Ontario.

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