Issued 10:00 AM ADT 30 July 2021
Today Tonight and Saturday.
Strong wind warning in effect.
Wind easterly 15 to 20 knots becoming variable 15 near noon then increasing to westerly 15 to 20 late this afternoon. Wind increasing to westerly 20 to 25 near midnight then diminishing to westerly 15 early Saturday morning. Wind increasing to southwest 20 Saturday afternoon.
Periods of rain ending overnight. Risk of thunderstorms today. Fog patches dissipating this evening.
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Ice ForecastsIssued 10:00 AM EDT 25 April 2021
Forecasts available to mariners upon request.
Warnings (In effect)
Grand MananIssued 10:00 AM ADT 30 July 2021
'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 10:00 AM ADT 30 July 2021 Today Tonight and Saturday At 10:00 a.m. ADT today deepening low 1003 mb located over the
Gulf of Maine.
By 8:00 p.m. ADT tonight low 995 mb located over Prince Edward
At 3:00 a.m. ADT Saturday low 992 mb located southeast of Anticosti
By 8:00 p.m. ADT Saturday departing low 991 mb located over
Marine Weather StatementIssued 9:33 AM ADT 30 July 2021 A low pressure system over the Gulf of Maine this morning will track
northeastward today. The low will move across Gulf-Magdalen tonight
to eventually depart over Southeastern Labrador Saturday evening.
Winds will increase to strong to gale force southerlies ahead of the
low and will shift to strong westerlies in its wake.
Marine interests are advised that gale warnings are in effect for
Georges Bank, West Scotian Slope, eastern shore, Sable, East Scotian
Slope, and Fourchu.
St. Lawrence - St. Lawrence River Area
- Anticosti - eastern half
- Anticosti - western half
- Beauport to L'Isle-aux-Coudres
- Browns Bank
- Chaleur - Miscou
- Cornwall to Montréal
- Donnacona to Beauport
- Grand Manan
- Gulf - Magdalen - western 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 - western half
- 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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