Anticosti - western half
Issued 10:00 AM ADT 18 May 2021
Today Tonight and Wednesday.
Strong wind warning in effect.
Wind southeast 15 to 20 knots with gusts to 30 in the Honguedo Strait. Wind becoming variable 15 early this afternoon then increasing to northwest 20 late this afternoon with gusts to 30 in the Honguedo Strait. Wind becoming northwest 15 to 20 Wednesday morning then diminishing to variable 10 to 15 Wednesday afternoon.
Showers ending overnight. Fog patches dissipating this evening.
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Ice ForecastsIssued 10:00 AM EDT 25 April 2021
Forecasts available to mariners upon request.
Iceberg BulletinIssued 2:30 PM EDT 17 May 2021
Iceberg LimitIceberg limit at 0000 UTC 18 May estimated from Newfoundland near
4924N 5400W to 5145N 5005W to 5525N 5040W to 5545N 4900W to 5900N
4555W then eastwards.
Western iceberg limit at 0000 UTC 18 May estimated from Quebec near
5108N 5844W to Newfoundland near 5028N 5723W.
Iceberg CountNo confirmed icebergs.
Warnings (In effect)
Anticosti - western halfIssued 1:20 PM ADT 18 May 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 10:00 AM ADT 18 May 2021 Today Tonight and Wednesday At 10:00 a.m. ADT today trough located over the St. Lawrence River.
By 3:30 p.m. ADT today trough located over the Gaspe Peninsula.
At 8:00 p.m. ADT tonight low 1017 mb located over the Gulf of
By 8:00 p.m. ADT Wednesday low 1020 mb located southeast of Cape
At 10:00 a.m. ADT today departing ridge located over the Grand
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 - western half
- Kingston to Cornwall
- Lake Memphrémagog - northern half
- Lake Nipissing
- Lake Saint-Jean
- L'Isle-aux-Coudres to Tadoussac
- Montréal to Trois-Rivières
- Northumberland Strait - western half
- 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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