Issued 03:00 AM ADT 22 October 2018
Today Tonight and Tuesday.
Strong wind warning in effect.
Wind northwest 25 knots backing to west 15 to 20 overnight then diminishing to light near noon Tuesday. Wind increasing to southeast 15 to 20 Tuesday evening.
Flurries or showers ending this afternoon.
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Ice ForecastsIssued 10:00 AM EDT 26 May 2018
Ice EdgeIce edge is outside the forecast region.
Forecasts available to mariners upon request.
Warnings (In effect)
Northumberland StraitIssued 03:00 AM ADT 22 October 2018
'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 SynopsisIssued 3:00 AM ADT 22 October 2018 Today Tonight and Tuesday At 3:00 a.m. ADT today trough located over the eastern Marine
By 3:30 p.m. ADT today departing trough located over the Grand
At 8:00 p.m. ADT tonight low 1010 mb located north of the Great
By 8:00 p.m. ADT Tuesday deepening low 1010 mb located near
At 3:00 a.m. ADT today building ridge located over the East Coast
of the U.S.
By 3:00 a.m. ADT Tuesday ridge located south of the Marine District.
Marine Weather StatementIssued 2:57 AM ADT 22 October 2018 A trough of low pressure over eastern waters will continue to move
eastward and out of the marine district this morning. Gale force
southerly winds ahead of the trough shift to strong to gale force
northwesterlies in its wake. Mariners in the Gulf - Magdalen area are
advised that conditions are somewhat favourable for the formation of
waterspouts late this morning and this afternoon behind this feature.
A second low pressure system will approach the district from the west
on Tuesday and begin to rapidly intensify near Cape Cod on Tuesday
evening before turning to the northeast. Strong to gale force
southeasterly to southwesterly winds will develop ahead of this
system over western waters late on Tuesday.
Marine interests are advised that gale warnings are in effect for
Georges Bank, West Scotian Slope, East Scotian Slope, and Laurentian
St. Lawrence - St. Lawrence River Area
- Beauport to L'Isle-aux-Coudres
- Browns Bank
- Chaleur - Miscou
- Cornwall to Montréal
- Donnacona to Beauport
- Grand Manan
- Gulf - Magdalen
- Kingston to Cornwall
- Lake Memphrémagog - northern half
- Lake Nipissing
- Lake Saint-Jean
- L'Isle-aux-Coudres to Tadoussac
- Montréal to Trois-Rivières
- Northumberland Strait
- Pointe à Michel to Pointe-des-Monts
- Pointe-des-Monts to Anticosti - northern half
- Pointe-des-Monts to Anticosti - southern half
- Richelieu River and Northern Lake Champlain
- Saguenay to Tadoussac
- Tadoussac to Pointe à Michel
- Trois-Rivières to Donnacona
- Arctic - Eastern Arctic
- Arctic - Western Arctic
- Atlantic - Labrador
- Atlantic - Maritimes
- Atlantic - Newfoundland
- Great Lakes - Lake Erie and Lake Ontario
- Great Lakes - Lake Huron
- Great Lakes - Lake Superior
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