Laurentian Fan - northern half
Issued 08:00 PM ADT 20 March 2023
Tonight and Tuesday.
Gale warning in effect.
Wind west 35 knots diminishing to west 30 near midnight and to westerly 15 Tuesday afternoon.
Issued 05:00 PM ADT 20 March 2023
Tonight and Tuesday. Seas 3 to 5 metres subsiding to 2 to 3 Tuesday afternoon.
Issued 03:30 PM ADT 20 March 2023
Wednesday Wind west 20 knots.
Thursday Wind northwest 20 knots diminishing to light.
Friday Wind southeast 40 knots diminishing to west 35.
Issued 10:00 AM EDT 20 March 2023 Today Tonight and Tuesday Ice free.
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Ice ForecastsIssued 10:00 AM EDT 20 March 2023 Today Tonight and Tuesday
Ice EdgeIce edge estimated from Nova Scotia near 4557N 5947W to 4620N 5930W
to 4845N 6230W to 5000N 5845W to 4730N 5940W to Newfoundland near
4711N 5528W. Sea ice west then northeast of the ice edge.
Iceberg BulletinIssued 4:12 PM EDT 20 March 2023
Iceberg LimitIceberg limit at 0000 UTC 21 Mar estimated from Newfoundland near
4655N 5555W to 4600N 5525W to 4515N 5000W to 4535N 4610W to 4700N
4500W to 4845N 4525W to 5835N 5540W to 6005N 5015W to 5900N 4815W to
5820N 4520W then eastwards.
Western iceberg limit at 0000 UTC 21 Mar estimated from Quebec near
5027N 5948W to Newfoundland near 4936N 5753W.
Iceberg CountNo confirmed icebergs.
Warnings (In effect)
Gale warning in effect
Laurentian Fan - northern halfIssued 8:00 PM ADT 20 March 2023
'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.
Technical Marine SynopsisIssued 8:00 PM ADT 20 March 2023 Tonight and Tuesday At 8:00 p.m. ADT tonight low 978 mb located north of Newfoundland.
By 3:00 a.m. ADT Tuesday departing low 982 mb located northeast
At 8:00 p.m. ADT tonight ridge located from the East Coast of the
U.S. to West Scotian Slope.
By 3:30 p.m. ADT Tuesday ridge located from the East Coast of the
U.S. to Laurentian Fan.
Marine Weather StatementIssued 7:45 PM ADT 20 March 2023 A low pressure system north of Newfoundland will slowly move eastward
tonight. Strong to gale force westerlies will gradually diminish from
west to east overnight tonight and Tuesday as the low moves farther
east of Newfoundland.
Marine interests are advised that gale warnings are in effect for
Banquereau, Laurentian Fan - northern half, Cabot Strait,
Gulf-Magdalen - northeastern half, and Anticosti.
Marine interests are also advised that freezing spray warnings are in
effect for Gulf-Magdalen - northeastern half and Anticosti.
Atlantic - Maritimes Area
- Anticosti - eastern half
- Anticosti - western half
- Banquereau - northern half
- Banquereau - southern half
- Bras d'Or Lakes
- Browns Bank
- Cabot Strait
- Chaleur - Miscou - eastern half
- Chaleur - Miscou - western half
- Eastern Shore - eastern half
- Eastern Shore - western half
- East Coast - Cape St. Francis and south
- East Scotian Slope
- Georges Bank
- Grand Manan
- Gulf - Magdalen - northeastern half
- Gulf - Magdalen - southwestern half
- Gulf - Port au Port
- Halifax Harbour and Approaches
- LaHave Bank
- Laurentian Fan - northern half
- Laurentian Fan - southern half
- L'Isle-aux-Coudres to Tadoussac
- Northumberland Strait - eastern half
- 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
- Sable - eastern half
- Sable - western half
- Southeastern Grand Banks
- Southwestern Grand Banks
- Southwestern Shore
- Southwest Coast
- South Coast
- Tadoussac to Pointe à Michel
- West Scotian Slope
- 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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