Western Lake Ontario

Forecast

Marine Forecast

Issued 03:00 AM EDT 29 April 2017

Today Tonight and Sunday

Wind light becoming northwest 10 knots this morning then increasing to northeast 15 near midnight. Wind increasing to northeast 25 Sunday morning.

Chance of showers beginning this afternoon changing to a few showers Sunday morning then to chance of showers Sunday afternoon and evening with risk of thunderstorms.

Waves

Issued 03:00 AM EDT 29 April 2017
Today Tonight and Sunday Waves one half metre or less building to one overnight and to 2 Sunday morning.

Extended Forecast

Issued 03:00 AM EDT 29 April 2017
Monday Wind northeast 15 knots veering to southeast 15 in the morning then to southwest 15 in the afternoon.
Tuesday Wind southwest 20 knots increasing to southwest 25.
Wednesday Wind west 25 knots diminishing to southwest 15.

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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 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 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 CFB Trenton Peterborough Municipal Airport Killarney Western Islands Cove Island Long Point Port Colborne Erieau Point Pelee
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Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 27 April 2017 Forecasts have ended for the season.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 29 April 2017 Today Tonight and Sunday At 3:00 a.m. EDT today weakening low 1000 mb located over James Bay.

At 3:00 a.m. EDT today ridge located on a line northwest-southeast
over Lake of the Woods.
By 3:00 a.m. EDT Sunday ridge located on a line northwest-southeast
over Lake Ontario.

At 3:00 a.m. EDT today approaching low 999 mb located over
southeastern Nebraska.

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