Gulf - Magdalen - southwestern half
Forecast
Marine Forecast
Issued 03:00 AM ADT 05 May 2025
Today Tonight and Tuesday.
Strong wind warning in effect.
Wind northwest 20 knots diminishing to variable 10 to 15 early this morning then becoming south 15 near midnight. Wind increasing to south 25 Tuesday evening.
Waves
Issued 05:00 AM ADT 05 May 2025
Today Tonight and Tuesday.
Seas 1 metre or less.
Extended Forecast
Issued 03:00 AM ADT 05 May 2025
Wednesday
Wind southerly 20 knots.
Thursday
Wind southwest 20 knots increasing to north
25 late in the day.
Friday
Wind north 20 knots.
Ice Forecast
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 4 May 2025 Today Tonight and MondayIce Edge
Ice edge estimated from Quebec near 5016N 6240W to 5001N 6213W to4959N 6028W to 5034N 5831W to to Newfoundland near 5014N 5736W. Sea
ice north of the ice edge.
Ice Coverage
Ice free.
Iceberg Bulletin
Issued 2:30 PM EDT 4 May 2025Iceberg Limit
Iceberg limit at 0000 UTC 5 May estimated from Newfoundland near4723N 5503W to 4040N 5210W to 4100N 4720W to 4530N 3335W to 4710N
3245W to 5915N 5605W to 5950N 5415W to 5830N 4530W then eastwards.
Western iceberg limit at 0000 UTC 5 May estimated from Quebec near
5020N 6115W to Newfoundland near 4745N 5910W.
Iceberg Count
No confirmed icebergs.Warnings
Warnings (In effect)
Strong wind warning in effect
Gulf - Magdalen - southwestern half
Issued 03:00 AM ADT 05 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 5 May 2025 Today Tonight and Tuesday At 3:00 a.m. ADT today trough located from Newfoundland to EastScotian Slope.
By 10:00 a.m. ADT today departing trough located on a line
northeast-southwest over the Grand Banks.
At 3:00 a.m. ADT today ridge from 1029 mb high located from the
Gaspe Peninsula to West Scotian Slope.
By 8:00 p.m. ADT tonight ridge from 1035 mb high located over the
Marine District.
At 3:30 p.m. ADT Tuesday departing ridge from 1035 mb high located
over the southeastern Marine District.
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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