Gulf - Magdalen
Forecast
Marine Forecast
Issued 03:00 AM ADT 20 July 2025
Today Tonight and Monday.
Strong wind warning in effect.
Wind southwest 10 to 15 knots increasing to southwest 20 near midnight then diminishing to northwest 10 to 15 overnight. Wind increasing to northerly 25 Monday afternoon.
Showers this afternoon tonight and Monday. Risk of thunderstorms late this afternoon and this evening and Monday afternoon and evening.
Waves
Issued 05:00 AM ADT 20 July 2025
Today Tonight and Monday.
Seas 1 metre or less building to 1 to 2 Monday
afternoon.
Extended Forecast
Issued 03:00 AM ADT 20 July 2025
Tuesday
Wind northwest 20 to 25 knots diminishing to
west 10 to 15 in the afternoon.
Wednesday
Wind west 10 to 15 knots diminishing to
light.
Thursday
Wind south 10 to 15 knots veering to
southwest 15 to 20.
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 26 May 2025 Forecasts have ended for the season.Iceberg Bulletin
Issued 2:30 PM EDT 19 July 2025Iceberg Limit
Iceberg limit at 0000 UTC 20 Jul estimated from Newfoundland near4709N 5256W to 4715N 4615W to 4920N 4400W to 5430N 4920W to 5645N
5340W to 5745N 5405W to 6100N 5310W to 5840N 4615W then eastward.
Iceberg Count
No confirmed icebergs.Warnings
Warnings (In effect)
Strong wind warning in effect
Gulf - Magdalen
Issued 03:00 AM ADT 20 July 2025'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 3:00 AM ADT 20 July 2025 Today Tonight and Monday At 3:00 a.m. ADT today trough located over southern Quebec.By 8:00 p.m. ADT tonight trough located from the Gulf of
St. Lawrence to the Gulf of Maine.
At 3:30 p.m. ADT Monday trough located on a line north-south over
the eastern Marine District.
At 3:00 a.m. ADT today ridge located over the southern Marine
District.
By 8:00 p.m. ADT tonight departing ridge located over the Grand
Banks.
St. Lawrence - St. Lawrence River Area
- Anticosti
- Beauport to L'Isle-aux-Coudres
- Browns Bank
- Chaleur - Miscou
- 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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