Gulf - Magdalen
Forecast
Marine Forecast
Issued 08:00 PM ADT 12 September 2026
Tonight and Sunday.
Strong wind warning in effect.
Wind south 15 to 20 knots veering to southwesterly 25 early Sunday morning.
Waves
Issued 05:00 PM ADT 12 September 2026
Gulf - Magdalen - northern half
Tonight and Sunday.
Seas 1 metre or less building to 1 to 2 late overnight and to 2
to 3 Sunday evening.
Gulf - Magdalen - southern half
Tonight and Sunday.
Seas 1 metre or less building to 1 to 2 Sunday
morning.
Extended Forecast
Issued 03:30 PM ADT 12 September 2026
Monday
Wind south 25 knots increasing to northwest 30
in the afternoon.
Tuesday
Wind northwest 20 knots diminishing to
light.
Wednesday
Wind southwest 15 to 20 knots.
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Weather Conditions
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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 12 September 2026Iceberg Limit
Iceberg limit at 0000 UTC 13 Sep estimated from Newfoundland near4930N 5510W to 5445N 5145W to 6000N 5730W to 6130N 5420W to 5850N
4610W then northeastward.
Iceberg Count
No confirmed icebergs.Warnings
Warnings (In effect)
Strong wind warning in effect
Gulf - Magdalen
Issued 8:00 PM ADT 12 September 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 8:00 PM ADT 12 September 2026 Tonight and Sunday At 8:00 p.m. ADT tonight ridge located over the southern MarineDistrict.
By 3:00 a.m. ADT Sunday departing ridge located over the eastern
Marine District.
At 3:00 a.m. ADT Sunday trough located from Quebec to the Great
Lakes.
By 8:00 p.m. ADT Sunday trough located from Labrador to Cape Cod.
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
- 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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ATOM