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Kingston to Cornwall


Marine Forecast

Issued 03:00 AM EDT 21 October 2020

Today Tonight and Thursday.

Strong wind warning in effect.

Wind northeast 10 knots increasing to south 15 early this morning and to southwest 20 near noon. Wind diminishing to west 10 early this evening then becoming light overnight. Wind becoming east 10 Thursday evening.

Showers today and this evening with a risk of thunderstorms.

Extended Forecast

Issued 03:00 AM EDT 21 October 2020
Friday Wind south 15 knots increasing to south 20 in the afternoon.
Saturday Wind south 20 knots diminishing to light.
Sunday Wind northeast 15 knots diminishing to light late in the day.

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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

There is no ice forecast issued for this area.


Warnings (In effect)

Strong wind warning in effect

Kingston to Cornwall

Issued 04:28 AM EDT 21 October 2020

'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.


Technical Marine Synopsis

Issued 3:00 AM EDT 21 October 2020 Today Tonight and Thursday At 3:00 a.m. EDT today departing high 1031 mb located over Quebec.

At 3:00 a.m. EDT today low 1012 mb located over Lake Michigan.
By 3:00 a.m. EDT Thursday low 1012 mb located over central Quebec.

By 3:00 a.m. EDT Thursday approaching ridge located on a line
northwest-southeast over Lake Superior.

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