Anticosti - northeastern half
Forecast
Marine Forecast
Issued 10:00 AM ADT 29 April 2025
Today Tonight and Wednesday.
Gale warning in effect.
Wind southerly 10 to 15 knots increasing to south 30 this afternoon then diminishing to variable 15 Wednesday afternoon. Wind increasing to northwest 35 Wednesday evening.
Periods of rain beginning overnight changing to periods of snow or rain Wednesday evening. Visibility as low as 1 mile in precipitation.
Waves
Extended Forecast
Ice Forecast
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 29 April 2025 Today Tonight and WednesdayIce Edge
Ice edge estimated from Quebec near 5013N 6207W to 4959N 6152W to4959N 6028W to 5057N 5758W to Newfoundland near 5029N 5728W. Sea ice
north then east of the ice edge.
Ice Coverage
Bergy water except consolidated rotten first-year ice in a few bays.
Iceberg Bulletin
Issued 2:30 PM EDT 28 April 2025Iceberg Limit
Iceberg limit at 0000 UTC 28 Apr estimated from Newfoundland near4723N 5503W to 4040N 5210W to 4100N 4720W to 4655N 3430W to 5355N
4530W to 5915N 5605W to 6035N 5500W to 5920N 4925W then eastwards.
Western iceberg limit at 0000 UTC 28 Apr estimated from Quebec near
5020N 6115W to Newfoundland near 4805N 5845W.
Iceberg Count
No confirmed icebergs except less than 10 icebergs northeast of thewestern iceberg limit.
Warnings
Warnings (In effect)
Gale warning in effect
Anticosti - northeastern half
Issued 10:00 AM ADT 29 April 2025'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. 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 10:00 AM ADT 29 April 2025 Today Tonight and Wednesday At 10:00 a.m. ADT today low 997 mb located over the Great Lakes.By 3:30 p.m. ADT Wednesday low 989 mb located near Anticosti Island.
At 10:00 a.m. ADT today ridge located over the Maritimes.
By 3:00 a.m. ADT Wednesday departing ridge located over the
southeastern Marine District.
Marine Weather Statement
Issued 9:37 AM ADT 29 April 2025 A low pressure system over the Great Lakes will track northeasttowards the marine district today and tonight to lie near Anticosti
Island by Wednesday afternoon. Strong southwesterlies ahead of the
low shift to strong to gale force northwesterlies behind it.
Marine interests are advised that gale warnings are in effect for
Gulf-Magdalen, Chaleur-Miscou and Anticosti.
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 - western 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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