Gulf - Magdalen - northeastern half
Forecast
Marine Forecast
Issued 10:00 AM ADT 11 August 2026
Today Tonight and Wednesday.
Strong wind warning in effect.
Wind light becoming southeast 15 knots late this afternoon then diminishing to light after midnight. Wind increasing to west 20 Wednesday morning then diminishing to west 10 to 15 Wednesday evening.
Scattered showers tonight and Wednesday. Risk of thunderstorms tonight. Fog patches dissipating Wednesday morning.
Waves
Extended Forecast
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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 11 August 2026Iceberg Limit
Iceberg limit at 0000 UTC 12 Aug estimated from Newfoundland near4825N 5310W to 4840N 5220W to 5010N 5100W to 5800N 5300W to 6020N
5200W then eastward.
Iceberg Count
No confirmed icebergs.Warnings
Warnings (In effect)
Strong wind warning in effect
Gulf - Magdalen - northeastern half
Issued 1:50 PM ADT 11 August 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 10:00 AM ADT 11 August 2026 Today Tonight and Wednesday At 10:00 a.m. ADT today trough located over New Brunswick.By 8:00 p.m. ADT tonight trough located from the Gulf of
St. Lawrence to East Scotian Slope.
At 8:00 p.m. ADT Wednesday departing trough 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 - 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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ATOM