Gulf - Magdalen - southwestern half
Forecast
Marine Forecast
Issued 10:00 AM ADT 17 May 2026
Today Tonight and Monday.
Strong wind warning in effect.
Wind southwest 20 knots increasing to northwest 25 to 30 this afternoon then diminishing to northwest 15 late overnight. Wind becoming variable 10 to 15 near noon Monday.
Waves
Issued 05:00 AM ADT 17 May 2026
Today Tonight and Monday.
Seas 1 to 2 metres subsiding to 1 or less Monday
evening.
Extended Forecast
Issued 03:00 AM ADT 17 May 2026
Tuesday
Wind variable 10 to 15 knots.
Wednesday
Wind southeasterly 15 knots becoming
variable 10 to 15.
Thursday
Wind variable 10 to 15 knots increasing to
northwest 25.
Ice Forecast
Stay connected
Weather Conditions
Zoom-in to make a selection
Legend:
Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 17 May 2026 Today Tonight and MondayIce Edge
Ice edge estimated from Quebec near 5108N 5835W to 5110N 5800W toQuebec near 5125N 5736W. Sea ice north of the ice edge.
Ice Coverage
Ice free.
Iceberg Bulletin
Issued 3:24 PM EDT 16 May 2026Iceberg Limit
Iceberg limit at 0000 UTC 17 May estimated from Newfoundland near4700N 5520W to 4230N 5000W to 4230N 4800W to 4400N 4600W to 4845N
4335W to 5310N 4635W to 5550N 5010W to 5900N 5500W to 5955N 5310W to
5840N 4800W then northeastward.
Iceberg Count
No confirmed icebergs.Warnings
Warnings (In effect)
Strong wind warning in effect
Gulf - Magdalen - southwestern half
Issued 10:00 AM ADT 17 May 2026'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.
Synopsis
Technical Marine Synopsis
Issued 10:00 AM ADT 17 May 2026 Today Tonight and Monday At 10:00 a.m. ADT today trough located from Anticosti Island tothe Gulf of Maine.
By 8:00 p.m. ADT tonight trough located from Newfoundland to West
Scotian Slope.
At 3:00 a.m. ADT Monday departing trough located southeast of the
Gulf of Maine.
At 3:00 a.m. ADT Monday ridge located on a line north-south over
New England.
By 8:00 p.m. ADT Monday ridge located over the southern Marine
District.
Marine Weather Statement
Issued 9:48 AM ADT 17 May 2026 A trough of low pressure will track across the district today andtonight. Strong southwest winds ahead of the trough will veer to
strong to gale force northwesterlies in its wake before diminishing
on Monday as a ridge approaches.
Marine interests are advised that gale warnings are in effect for
Gulf-Magdalen - northeastern half and Anticosti.
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
Features
Colour-coded weather alerts
Learn more about weather alerting in Canada
- Date modified:
ATOM