Issued 03:00 AM ADT 29 July 2021
Today Tonight and Friday.
Wind variable 10 to 15 knots becoming south 15 near midnight then increasing to south 25 Friday morning. Wind veering to west 20 Friday evening.
Periods of rain and fog patches Friday with a risk of thunderstorms.
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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 28 July 2021
Iceberg LimitIceberg limit at 0000 UTC 29 Jul estimated from the Labrador coast
near 5225N 5540W to 5330N 5405W.
Iceberg CountNo confirmed icebergs.
No watches or warnings in effect.
Technical Marine SynopsisIssued 3:00 AM ADT 29 July 2021 Today Tonight and Friday At 3:00 a.m. ADT today departing trough located from Laurentian
Fan to Newfoundland.
At 8:00 p.m. ADT tonight deepening low 1005 mb located over
By 8:00 p.m. ADT Friday low 995 mb located over New Brunswick.
At 3:00 a.m. ADT today high 1017 mb located over New England.
By 3:00 a.m. ADT Friday departing high 1018 mb located over
Marine Weather StatementIssued 2:46 AM ADT 29 July 2021 A low pressure system will approach from the west tonight and is
expected to cross the marine district Friday night. Strong generally
southerly winds ahead of the low and will shift to strong westerlies
in its wake. Gale force southwesterlies are expected to develop over
southern waters on Friday afternoon.
Marine interests are advised that gale warnings are in effect for
Georges Bank, West Scotian Slope, and East Scotian Slope.
St. Lawrence - St. Lawrence River Area
- Anticosti - eastern half
- Anticosti - western half
- Beauport to L'Isle-aux-Coudres
- Browns Bank
- Chaleur - Miscou - eastern half
- Chaleur - Miscou - western half
- 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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