Anticosti - western half
Issued 08:00 PM ADT 20 April 2021
Tonight and Wednesday.
Strong wind warning in effect.
Wind east 20 knots diminishing to south 10 to 15 near midnight then increasing to west 20 late overnight. Wind diminishing to southwest 10 to 15 near noon Wednesday then becoming light Wednesday evening.
Showers or flurries overnight and Wednesday morning.
Anticosti - northwestern half
Anticosti - southeastern half
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Ice ForecastsIssued 10:00 AM EDT 20 April 2021 Today Tonight and Wednesday
Ice EdgeIce edge is outside the forecast region.
Iceberg BulletinIssued 2:30 PM EDT 20 April 2021
Iceberg LimitIceberg limit at 0000 UTC 21 Apr estimated from Newfoundland near
4736N 5241W to 4805N 5135W to 5400N 5040W to 5500N 5100W to 6000N
5800W to 6050N 5315W to 5715N 4535W then eastwards.
Western iceberg limit at 0000 UTC 21 Apr estimated from Quebec near
5016N 6058W to Newfoundland near 4845N 5830W.
Iceberg CountNo confirmed icebergs.
Warnings (In effect)
Anticosti - western halfIssued 8:00 PM ADT 20 April 2021
'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.
Technical Marine SynopsisIssued 8:00 PM ADT 20 April 2021 Tonight and Wednesday At 8:00 p.m. ADT tonight trough located from Quebec to New
By 3:00 a.m. ADT Wednesday weakening trough located from Quebec
to the Gulf of St. Lawrence.
At 3:30 p.m. ADT Wednesday low 999 mb located north of Cape Cod.
By 8:00 p.m. ADT Wednesday low 994 mb located over Maine.
St. Lawrence - St. Lawrence River Area
- Anticosti - eastern half
- Anticosti - western half
- Beauport to L'Isle-aux-Coudres
- Browns Bank
- Chaleur - Miscou
- Cornwall to Montréal
- Donnacona to Beauport
- Grand Manan
- Gulf - Magdalen
- Kingston to Cornwall
- Lake Memphrémagog - northern half
- Lake Nipissing
- Lake Saint-Jean
- 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
- Arctic - Eastern Arctic
- Arctic - Western Arctic
- Atlantic - Labrador
- Atlantic - Maritimes
- Atlantic - Newfoundland
- Great Lakes - Lake Erie and Lake Ontario
- Great Lakes - Lake Huron
- Great Lakes - Lake Superior
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