Issued 03:30 PM AST 04 December 2021
Tonight and Sunday.
Wind west 10 to 15 knots diminishing to light near midnight then increasing to northwest 20 late Sunday morning. Wind diminishing to northwest 15 early Sunday afternoon and to light Sunday evening.
Periods of snow overnight and Sunday morning. Visibility 1 mile or less in snow.
Temperatures minus 4 rising to plus 1 overnight.
Strong wind warning program has ended for the season.
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Ice ForecastsIssued 10:00 AM EST 4 December 2021 Today Tonight and Sunday
Ice EdgeFirst ice edge estimated from Quebec near 4909N 6625W to 4909N 6649W
to 4828N 6900W to 4901N 6810W to 4917N 6710W to 5004N 6610W to
Anticosti Island near 4953N 6431W. Sea ice south then north of the
Second ice edge estimated from Anticosti Island near 4950N 6329W to
5008N 6230W to 4958N 6136W to 5005N 5948W to Quebec near 5125N
5737W. Sea ice north of the ice edge.
No watches or warnings in effect.
Technical Marine SynopsisIssued 3:30 PM AST 4 December 2021 Tonight and Sunday At 3:30 p.m. AST today ridge located over Maine.
By 10:00 a.m. AST Sunday weakening ridge located over the eastern
At 3:00 a.m. AST Sunday low located over the Gulf of Maine.
By 3:30 p.m. AST Sunday low located near Sable Island.
Marine Weather StatementIssued 3:29 PM AST 4 December 2021 Strong to gale force northwesterlies over northeastern waters will
gradually diminish as a ridge of high pressure builds in from Maine.
However, a small and fast moving disturbance will track across the
Gulf of Maine overnight tonight to lie near Sable Island Sunday
afternoon. A brief period of strong to near gale force
northwesterlies is expected just behind this low.
Marine interests are advised that gale warnings are in effect for
Banquereau, Laurentian Fan, Cabot Strait - northern half and
Anticosti. Freezing spray warnings are in effect for Anticosti.
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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