Anticosti - southwestern half
Forecast
Marine Forecast
Issued 10:00 AM ADT 31 March 2023
Today Tonight and Saturday.
Wind variable 10 to 15 knots diminishing to light this evening then increasing to southeast 15 early Saturday morning. Wind increasing to southeast 25 Saturday afternoon with gusts to 30 in the Honguedo Strait.
Snow Saturday late in the day. Visibility 1 mile or less in snow.
Temperatures near minus 1.
Strong wind warning program has ended for the season.
Waves
Issued 05:00 AM ADT 31 March 2023
Today Tonight and Saturday.
Seas 1 to 2 metres subsiding to 1 or less early this evening then
building to 1 to 2 Saturday afternoon.
Extended Forecast
Issued 03:00 AM ADT 31 March 2023
Sunday
Wind variable 25 knots increasing to northwest
35 to 45 in the afternoon.
Monday
Wind northwest 45 knots diminishing to west
20.
Tuesday
Wind west 20 knots.
Ice Forecast
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 31 March 2023 Today Tonight and SaturdayIce Edge
Ice edge estimated from Nova Scotia near 4616N 6006W to 4658N 6010Wto 4845N 6230W to 4958N 5915W to 4733N 5932W to 4727N 5823W to
Newfoundland near 4740N 5815W. Sea ice west then northeast of the
ice edge.
Ice Coverage
Open water.
Iceberg Bulletin
Issued 3:35 PM EDT 30 March 2023Iceberg Limit
Iceberg limit at 0000 UTC 31 Mar estimated from Newfoundland near4655N 5525W to 4425N 5320W to 4400N 4700W to 4800N 4400W to 5835N
5540W to 5910N 5040W then eastwards.
Western iceberg limit at 0000 UTC 31 Mar estimated from Quebec near
5015N 6058W to Newfoundland near 4840N 5829W.
Iceberg Count
No confirmed icebergs except less than 10 icebergs northeast of thewestern iceberg limit.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 10:00 AM ADT 31 March 2023 Today Tonight and Saturday At 10:00 a.m. ADT today trough located on a line northwest-southeastover Cape Breton Island.
By 8:00 p.m. ADT tonight departing trough located over Laurentian
Fan extending southeastward.
At 3:30 p.m. ADT today ridge located on a line north-south over
the Gulf of Maine.
By 3:30 p.m. ADT Saturday departing ridge located on a line
north-south over eastern Newfoundland.
At 10:00 a.m. ADT Saturday warm front located from the Great Lakes
to Browns Bank.
By 8:00 p.m. ADT Saturday warm front located from the St. Lawrence
River to Laurentian Fan.
Marine Weather Statement
Issued 9:29 AM ADT 31 March 2023 A trough of low pressure over the eastern marine district will moveto lie over the Southern Grand Banks this evening. Strong
southeasterlies ahead of the trough become strong to gale force
northwesterlies in its wake. These gales will begin to diminish this
afternoon or evening as a ridge of high pressure approaches from the
west.
On Saturday a warm front will cross the marine district. Winds will
increase to strong southeasterlies ahead of the front and become gale
to possible storm force southwesterlies south of it.
Marine interests are advised that gale warnings are in effect for
Grand Manan, Lurcher, Browns Bank, Georges Bank, southwestern shore,
LaHave Bank, West Scotian Slope, eastern shore, Sable, East Scotian
Slope, and Laurentian Fan.
St. Lawrence - St. Lawrence River Area
- Anticosti - northeastern half
- Anticosti - southwestern half
- Beauport to L'Isle-aux-Coudres
- Browns Bank
- Chaleur - Miscou - eastern half
- Chaleur - Miscou - western half
- Cornwall to Montréal
- Donnacona to Beauport
- Fundy
- Grand Manan
- Gulf - Magdalen - northeastern half
- Gulf - Magdalen - southwestern half
- Kingston to Cornwall
- Lake Memphrémagog - northern half
- Lake Nipissing
- Lake Saint-Jean
- Lurcher
- 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
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