Issued 03:00 AM ADT 24 September 2023
Today Tonight and Monday.
Wind light increasing to easterly 15 to 20 knots this morning then backing to northeast 20 to 25 Monday afternoon.
Scattered showers ending Monday morning.
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Ice ForecastsIssued 10:00 AM EDT 14 June 2023
Forecasts available to mariners upon request.
Iceberg BulletinIssued 2:30 PM EDT 23 September 2023
Iceberg LimitIceberg limit at 0000 UTC 24 Sep estimated from Newfoundland near
4926N 5355W to 5145N 4930W to 5345N 5015W to 5915N 5700W to 5955N
5120W then eastwards.
Western iceberg limit at 0000 UTC 24 Sep estimated from the Labrador
coast near 5132N 5647W to Newfoundland near 5124N 5628W.
Iceberg CountNo confirmed icebergs.
No watches or warnings in effect.
Technical Marine SynopsisIssued 3:00 AM ADT 24 September 2023 Today Tonight and Monday At 3:00 a.m. ADT today trough located over Labrador.
By 8:00 p.m. ADT tonight weakening trough located over the Gulf
of St. Lawrence.
At 10:00 a.m. ADT today trough located near Georges Bank.
By 10:00 a.m. ADT Monday departing trough located south of East
At 3:00 a.m. ADT today ridge located from New Brunswick to East
By 3:00 a.m. ADT Monday weakening ridge located over the
southeastern Marine District.
Marine Weather StatementIssued 2:47 AM ADT 24 September 2023 Tropical cyclone information: at 12:00 A.M. ADT post tropical storm
Ophelia was located near 37.1 north and 77.6 west. Maximum sustained
winds were 30 knots and the minimum central pressure was 1003 MB.
Ophelia was moving north at 7 knots. There will be no impacts to
St. Lawrence - St. Lawrence River Area
- 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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