Gulf - Magdalen - northeastern half
Forecast
Marine Forecast
Issued 03:00 AM ADT 18 May 2025
Today Tonight and Monday.
Strong wind warning in effect.
Wind southeast 20 to 25 knots with gusts to 35 from Margaree Harbour to Bay St. Lawrence. Wind becoming southeast 30 near noon with gusts to 45 from Margaree Harbour to Bay St. Lawrence. Wind diminishing to east 25 near midnight. Wind east 25 Monday.
Rain this afternoon tonight and Monday. Risk of thunderstorms this afternoon and this evening. Fog patches forming near midnight.
Waves
Extended Forecast
Stay connected
Weather Conditions
Zoom-in to make a selection



Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 16 May 2025 Forecasts have ended for the season.Iceberg Bulletin
Issued 2:52 PM EDT 17 May 2025Iceberg Limit
Iceberg limit at 0000 UTC 18 May estimated from Newfoundland near 4723N 5503W to 4145N 5200W to 4145N 4610W to 4830N 4050W to 5320N 4815W to 5915N 5605W to 5800N 5040W then eastward.Iceberg Count
No confirmed icebergs.Warnings
Warnings (In effect)
Strong wind warning in effect
Gulf - Magdalen - northeastern half
Issued 03:00 AM ADT 18 May 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 18 May 2025 Today Tonight and Monday At 3:00 a.m. ADT today low 994 mb located over the St. LawrenceRiver.
By 3:00 a.m. ADT Monday low 993 mb located over southern New
Brunswick.
At 3:00 a.m. ADT today trough from low located from the Gulf of
Maine to West Scotian Slope.
By 3:00 a.m. ADT Monday trough from low located from New Brunswick
to Laurentian Fan.
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 - 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
Another Region
- Date modified: