Northumberland Strait - western half
Forecast
Marine Forecast
Issued 08:00 PM ADT 11 April 2021
Tonight and Monday.
Wind northerly 15 to 20 knots veering to northeast 25 late this evening. Wind northeast 25 Monday.
Showers. Fog patches dissipating early Monday morning.
Strong wind warning program has ended for the season.
Extended Forecast
Issued 03:30 PM ADT 11 April 2021
Tuesday
Wind northeast 20 to 25 knots.
Wednesday
Wind northerly 15 to 20 knots diminishing to
variable 10 to 15.
Thursday
Wind northeasterly 15 knots.
Ice Forecast
Stay connected
Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 11 April 2021 Today Tonight and MondayIce Edge
First ice edge estimated from Nova Scotia near 4544N 6242W to 4631N6147W to 4643N 6336W to Quebec near 4845N 6410W. Sea ice west and
south of the ice edge.
Second ice edge estimated from Quebec near 5005N 6146W to 4954N
6000W to 5107N 5741W to Newfoundland near 5022N 5732W. Sea ice east
and north of the ice edge.
Ice Coverage
Open water.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 8:00 PM ADT 11 April 2021 Tonight and Monday At 8:00 p.m. ADT tonight weakening ridge located over thesouthwestern Marine District.
At 8:00 p.m. ADT tonight low 998 mb located over Banquereau.
By 10:00 a.m. ADT Monday low 1000 mb located south of Laurentian
Fan.
Marine Weather Statement
Issued 7:23 PM ADT 11 April 2021 A low pressure system over Banquereau will move to lie south ofLaurentian Fan Monday morning. Strong to gale force northeasterly
winds are expected north of the low.
Marine interests are advised that gale warnings are in effect for
Gulf-Magdalen - northeastern half and Anticosti - eastern half.
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
- Fundy
- Grand Manan
- Gulf - Magdalen - northeastern half
- Gulf - Magdalen - southwestern half
- Kingston to Cornwall
- Lake Memphrémagog - northern half
- Lake Nipissing
- Lake Saint-Jean
- Lurcher
- 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
Another Region
What we are doing
Weather Forecasts
Weather Alerts
Weather Resources
- Date modified: