Issued 03:00 AM ADT 17 August 2022
Today Tonight and Thursday.
Strong wind warning in effect.
Wind northeast 15 knots increasing to northeast 20 this morning then veering to easterly 25 this afternoon with gusts to 45 from Margaree Harbour to Bay St. Lawrence. Wind diminishing to southeasterly 15 to 20 after midnight with gusts to 40 from Margaree Harbour to Bay St. Lawrence overnight. Wind becoming southwesterly 15 Thursday afternoon.
Periods of rain today tonight and Thursday morning. Risk of thunderstorms tonight and Thursday morning.
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Ice ForecastsIssued 10:00 AM EDT 18 May 2022
Forecasts available to mariners upon request.
Warnings (In effect)
Northumberland StraitIssued 03:00 AM ADT 17 August 2022
'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 17 August 2022 Today Tonight and Thursday At 3:00 a.m. ADT today low 1006 mb located southwest of Georges
By 10:00 a.m. ADT Thursday low 1002 mb located over Maine.
At 10:00 a.m. ADT today trough from 1006 mb low located from
Georges Bank to Laurentian Fan.
By 3:30 p.m. ADT Thursday trough from 1002 mb low located from
Maine to the Gulf of St. Lawrence.
Marine Weather StatementIssued 2:53 AM ADT 17 August 2022 A low pressure system southwest of Georges Bank will move northward
to lie over Southern Maine Thursday morning. Gale force
northeasterlies over some western waters near the low will diminish
as it moves away.
Marine interests are advised that gale warnings are in effect for
Grand Manan, Lurcher, Browns Bank and Georges Bank- northern half.
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 - northern half
- Gulf - Magdalen - southern half
- 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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