Eastern Lake Ontario

Forecast

Marine Forecast

Issued 06:30 PM EDT 30 May 2015

Tonight and Sunday

Strong wind warning in effect. Squall watch in effect.

Wind variable 10 knots with gusts to 45 near thunderstorms. Wind becoming north 10 this evening with gusts to 45 near thunderstorms. Wind becoming northeast 20 near midnight.

Showers and scattered thunderstorms. Fog patches dissipating near midnight.

Waves

Issued 06:30 PM EDT 30 May 2015
Tonight and Sunday Waves one metre subsiding to one half metre this evening then building to one and one half metres late overnight.

Extended Forecast

Issued 06:30 PM EDT 30 May 2015
Monday Wind northeast 20 knots.
Tuesday Wind northeast 15 knots diminishing to light.
Wednesday Wind light.

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Weather Conditions

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Map of Great Lakes - Lake Erie and Lake Ontario marine weather areas Egbert 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 Kemptville 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 Toronto Pearson Int'l Airport CFB Trenton Peterborough Municipal Airport Killarney Western Islands CFB Borden Cove Island Long Point Port Colborne Erieau Point Pelee Toronto Buttonville 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 30 May 2015 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Strong wind warning in effect

Eastern Lake Ontario

Issued 6:30 PM EDT 30 May 2015

'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.

Watches (In effect)

Squall watch in effect

Eastern Lake Ontario

Issued 6:24 PM EDT 30 May 2015

Strong to severe thunderstorms may move through parts of Lake Erie, Lake Ontario and the St. Lawrence River this evening ahead of a cold front. These thunderstorms may be capable of producing wind gusts to 40 knots, heavy downpours and frequent lightning.

In effect from 6:00 P.M. to 10:00 P.M.

Mariners are advised to monitor this marine warning for the most current information.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 30 May 2015 Tonight and Sunday At 6:30 p.m. EDT tonight trough located on a line
northeast-southwest over Lake Ontario.
By 6:30 p.m. EDT Sunday trough located on a line northeast-southwest
over the East Coast of the U.S.

At 6:30 p.m. EDT tonight high 1030 mb located over northwestern
Ontario.
By 6:30 p.m. EDT Sunday high 1030 mb located over northeastern
Ontario.

At 6:30 p.m. EDT tonight low 1011 mb located over Illinois.
By 6:30 p.m. EDT Sunday low 1013 mb located over eastern Ohio.

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