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Kingston to Cornwall


Marine Forecast

Issued 03:00 AM EDT 20 April 2021

Today Tonight and Wednesday.

Wind southwest 10 knots increasing to southwest 15 this morning then diminishing to west 10 early this evening. Wind becoming light near midnight then becoming north 10 Wednesday morning. Wind backing to northwest 10 Wednesday evening.

Showers ending this morning. Snow overnight and Wednesday. Visibility as low as 1 mile in snow.

Extended Forecast

Issued 03:00 AM EDT 20 April 2021
Thursday Wind light becoming west 15 knots in the morning.
Friday Wind west 15 knots diminishing to light late in the day.
Saturday Wind light.

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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
buoy Buoy
land station Land Station
Ice Conditions

There is no ice forecast issued for this area.


No watches or warnings in effect.


Technical Marine Synopsis

Issued 3:00 AM EDT 20 April 2021 Today Tonight and Wednesday At 3:00 a.m. EDT today low 1002 mb located over southwestern Quebec.
By 3:00 a.m. EDT Wednesday low 1001 mb located over northern Quebec.

At 3:00 a.m. EDT today ridge located on a line east-west over
northern Ontario.
By 3:00 a.m. EDT Wednesday ridge located on a line
northeast-southwest over northwestern Ontario.

By 3:00 a.m. EDT Wednesday low 1007 mb located over Pennsylvania.

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