Anticosti
Forecast
Marine Forecast
Issued 08:00 PM AST 17 January 2026
Tonight and Sunday.
Wind west 15 knots diminishing to light near midnight then becoming southerly 15 near noon Sunday.
Scattered flurries tonight.
Temperatures near minus 4.
Strong wind warning program has ended for the season.
Waves
Issued 05:00 PM AST 17 January 2026
Anticosti - eastern half
Tonight and Sunday.
Seas 2 to 3 metres subsiding to 1 to 2 late this
evening.
Anticosti - western half
Tonight and Sunday.
Seas 1 to 2 metres subsiding to 1 or less near
midnight.
Extended Forecast
Issued 03:30 PM AST 17 January 2026
Monday
Wind northeast 20 knots diminishing to variable
10 to 15 in the afternoon.
Tuesday
Wind southwest 20 knots increasing to west
35.
Wednesday
Wind west 35 knots.
Ice Forecast
Issued 10:00 AM EST 17 January 2026 Today Tonight and Sunday Open water except 2 tenths new ice along parts of the coasts.
Consolidated grey-white ice in a few sheltered bays.
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EST 17 January 2026 Today Tonight and SundayIce Edge
First ice edge estimated from New Brunswick near 4532N 6507W to NovaScotia near 4500N 6510W. Sea ice east of the ice edge.
Second ice edge estimated from Nova Scotia near 4435N 6327W to 4432N
6251W to 4539N 5917W to 4704N 6000W to 4825N 6224W to 5039N 5807W to
4759N 5937W to Newfoundland near 4738N 5919W. Sea ice northwest then
east of the ice edge.
Ice Coverage
Open water except 2 tenths new ice along parts of the coasts.
Consolidated grey-white ice in a few sheltered bays.
Iceberg Bulletin
Issued 1:30 PM EST 17 January 2026Iceberg Limit
Iceberg limit at 0000 UTC 18 Jan estimated from Newfoundland near5000N 5532W to 5030N 5230W to 5200N 4915W to 5315N 4915W to 5945N
5730W to 6145N 5155W to 5900N 4735W then northeastward.
Iceberg Count
No confirmed icebergs.Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 8:00 PM AST 17 January 2026 Tonight and Sunday At 8:00 p.m. AST tonight trough located over the Gulf of Maine.By 10:00 a.m. AST Sunday trough located over Newfoundland.
At 3:00 a.m. AST Sunday ridge located over New England.
By 3:30 p.m. AST Sunday ridge located over the central Marine
District.
Marine Weather Statement
Issued 7:09 PM AST 17 January 2026 A trough of low pressure over the Gulf of Maine with track across themarine district tonight. Strong to gale force southerlies are
expected ahead of this trough.
Marine interests are advised that gale warnings are in effect for
Sable, East Scotian Slope, southeastern half of Banquereau and
Laurentian Fan.
St. Lawrence - St. Lawrence River Area
- Anticosti
- 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 - northwestern 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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