Gulf - Magdalen - northeastern half
Issued 03:30 PM ADT 21 March 2023
Tonight and Wednesday.
Wind westerly 15 to 20 knots diminishing to light this evening then increasing to northwest 20 early Wednesday morning. Wind increasing to northwest 30 Wednesday evening.
Flurries overnight and Wednesday. Visibility 1 mile or less in flurries.
Risk of freezing spray Wednesday late in the day.
Temperatures near minus 2.
Strong wind warning program has ended for the season.
Issued 05:00 PM ADT 21 March 2023
Tonight and Wednesday. Seas 1 to 2 metres subsiding to 1 or less this evening then building to 1 to 2 Wednesday morning. Seas building to 2 to 3 Wednesday evening.
Issued 03:30 PM ADT 21 March 2023
Thursday Wind northwest 15 knots diminishing to light in the morning then increasing to southeast 25 late in the day.
Friday Wind southeast 30 knots diminishing to northerly 20.
Saturday Wind north 15 to 20 knots.
Issued 10:00 AM EDT 21 March 2023 Today Tonight and Wednesday Open water except 9 plus tenths first-year ice in the extreme western section and near Prince Edward Island. Consolidated grey-white ice in the Magdalen Islands.
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Ice ForecastsIssued 10:00 AM EDT 21 March 2023 Today Tonight and Wednesday
Ice EdgeIce edge estimated from Nova Scotia near 4557N 5947W to 4620N 5930W
to 4845N 6230W to 4946N 5849W to 4730N 5940W to Newfoundland near
4711N 5528W. Sea ice west then northeast of the ice edge.
Open water except 9 plus tenths first-year ice in the extreme
western section and near Prince Edward Island. Consolidated
grey-white ice in the Magdalen Islands.
Iceberg BulletinIssued 2:30 PM EDT 21 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.
No watches or warnings in effect.
Technical Marine SynopsisIssued 3:30 PM ADT 21 March 2023 Tonight and Wednesday At 3:30 p.m. ADT today ridge located over the southern Marine
By 3:00 a.m. ADT Wednesday departing ridge located over Laurentian
At 3:30 p.m. ADT today trough located over New England.
By 3:00 a.m. ADT Wednesday trough located over Cape Breton Island.
Marine Weather StatementIssued 3:28 PM ADT 21 March 2023 Marine interests are advised that freezing spray warnings are in
effect for Chaleur - Miscou and Anticosti.
St. Lawrence - St. Lawrence River Area
- 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 - northeastern half
- Gulf - Magdalen - southwestern 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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