Northumberland Strait - western half
Forecast
Marine Forecast
Issued 10:00 AM ADT 13 April 2021
Today Tonight and Wednesday.
Wind northeast 25 to 30 knots diminishing to northeast 15 early Wednesday morning and to light Wednesday evening.
Showers or flurries ending this afternoon.
Strong wind warning program has ended for the season.
Extended Forecast
Issued 03:00 AM ADT 13 April 2021
Thursday
Wind northeasterly 15 knots.
Friday
Wind northeast 15 to 20 knots.
Saturday
Wind northeast 25 knots.
Ice Forecast
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 13 April 2021 Today Tonight and WednesdayIce Edge
First ice edge estimated from New Brunswick near 4703N 6449W to4720N 6412W to 4805N 6356W to Quebec near 4850N 6413W. 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
Ice free.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 10:00 AM ADT 13 April 2021 Today Tonight and Wednesday At 10:00 a.m. ADT today intensifying low 994 mb located over thesouthwestern Grand Banks.
By 3:30 p.m. ADT today low 992 mb located over Laurentian Fan.
At 3:00 a.m. ADT Wednesday quasi-stationary low 994 mb located
south of Laurentian Fan.
At 3:30 p.m. ADT Wednesday approaching ridge located west of the
Marine District.
Marine Weather Statement
Issued 9:39 AM ADT 13 April 2021 A low pressure system over the Southwestern Grand Banks willintensify and move into Laurentian Fan this afternoon. Strong to gale
force north to northeast winds north and west of the low will prevail
across much of the district. Winds are forecast to reach storm force
over Banquereau this afternoon as the low moves into the district.
Winds will gradually diminish over western and northern waters on
Wednesday as a ridge of high pressure approaches.
Marine interests are advised that a storm warning is in effect for
Banquereau. Gale warnings are in effect for eastern shore - eastern
half, Sable, East Scotian Slope, Fourchu, Laurentian Fan - western
half, Cabot Strait, 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 - eastern half
- Chaleur - Miscou - western half
- 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
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