Gulf - Magdalen - southwestern half
Forecast
Marine Forecast
Issued 03:00 AM ADT 10 October 2026
Today Tonight and Sunday.
Strong wind warning in effect.
Wind northwest 20 to 25 knots increasing to northwest 30 early this morning then diminishing to northwest 15 overnight. Wind backing to west 10 to 15 Sunday morning then increasing to southwest 20 to 25 Sunday afternoon.
Scattered showers ending this afternoon.
Waves
Issued 05:00 AM ADT 10 October 2026
Today Tonight and Sunday.
Seas 1 to 2 metres building to 2 to 3 this morning then subsiding
to 1 to 2 late overnight.
Extended Forecast
Issued 03:00 AM ADT 10 October 2026
Monday
Wind southwest 25 knots becoming northeast 25
in the afternoon.
Tuesday
Wind northeast 20 knots diminishing to
light.
Wednesday
Wind southeast 15 knots increasing to
southeast 30.
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Weather Conditions
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Legend:
Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 19 May 2026 Forecasts have ended for the season.Iceberg Bulletin
Issued 2:30 PM EDT 9 October 2026Iceberg Limit
Iceberg limit at 0000 UTC 10 Oct estimated from Newfoundland near4933N 5430W to 5100N 5300W to 5430N 5100W to 6000N 5800W to 6050N
5615W to 5945N 5340W to 6000N 5000W then eastward.
Iceberg Count
No confirmed icebergs.Warnings
Warnings (In effect)
Strong wind warning in effect
Gulf - Magdalen - southwestern half
Issued 03:00 AM ADT 10 October 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.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM ADT 10 October 2026 Today Tonight and Sunday At 3:00 a.m. ADT today trough located over Labrador.By 8:00 p.m. ADT tonight trough located over the Avalon Peninsula.
At 3:30 p.m. ADT today ridge located over New England.
By 8:00 p.m. ADT Sunday ridge located south of the Marine District.
At 8:00 p.m. ADT Sunday approaching trough located west of the
Marine District.
Marine Weather Statement
Issued 2:40 AM ADT 10 October 2026 A trough of low pressure will pass over northeastern waters today.Strong westerly winds will veer to strong to gale force
northwesterlies this morning. Winds will ease tonight as a ridge
approaches the district.
Marine interests are advised that gale warnings are in effect for
Banquereau, Laurentian Fan, Cabot Strait, Gulf - Magdalen -
northeastern half, and Anticosti - southwestern half.
Outlook for the start-up of the Upper Bay of Fundy lobster fishery.
Monday...Winds southwest 25 knots veering to west 10 to 15 knots
mid-day and then to northeast 25 in the evening. Choppy sea
conditions in the evening when winds will be running against the
rising tide.
Tuesday...Winds northeast 25 knots diminishing to southeast 20 knots
late in the day. Choppy sea conditions in the morning when winds
will run against the rising tide.
Wednesday...Winds southeast 20 becoming west 20 to 25 knots in the
afternoon. Choppy sea conditions late in the day when winds will be
running against the ebbing tide.
St. Lawrence - St. Lawrence River Area
- Anticosti - northeastern half
- Anticosti - southwestern 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
- 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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