Anticosti - southeastern half
Forecast
Marine Forecast
Issued 10:00 AM AST 21 December 2024
Today Tonight and Sunday.
Storm warning in effect.
Wind northeast 35 knots increasing to north 50 late this afternoon then diminishing to northwest 40 late this evening. Wind diminishing to northwest 30 after midnight. Wind northwest 30 Sunday.
Periods of snow ending Sunday morning. Visibility 1 mile or less in snow.
Freezing spray warning in effect.
Freezing spray.
Temperatures near minus 7.
Strong wind warning program has ended for the season.
Waves
Extended Forecast
Ice Forecast
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EST 21 December 2024 Today Tonight and SundayIce Edge
First ice edge estimated from Nova Scotia near 4553N 6155W to PrinceEdward Island near 4626N 6200W. Sea ice west of the ice edge.
Second ice edge estimated from Prince Edward Island near 4627N 6244W
to 4724N 6430W to 4841N 6357W to Gaspe Peninsula near 4852N 6413W.
Sea ice west of the ice edge.
Third ice edge estimated from Gaspe Peninsula near 4912N 6611W to
4947N 6541W to 4903N 6255W to Anticosti Island near 4904N 6216W. Sea
ice northwest then northeast of the ice edge.
Fourth ice edge estimated from Anticosti Island near 4955N 6358W to
4958N 6010W to 5103N 5751W to Newfoundland near 4900N 5830W. Sea ice
north then east of the ice edge.
Ice Coverage
Open water except 2 tenths new ice along parts of the coasts.
Iceberg Bulletin
Issued 1:30 PM EST 20 December 2024Iceberg Limit
Iceberg limit at 0000 UTC 21 Dec estimated from the Labrador coastnear 5320N 5549W to 5145N 5030W to 5245N 4800W to 5345N 4800W to
5900N 5800W to 5945N 5230W then eastwards.
Iceberg Count
No confirmed icebergs.Warnings
Warnings (In effect)
Storm warning in effect
Anticosti - southeastern half
Issued 10:00 AM AST 21 December 2024'Storm' force winds of 48 to 63 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.
Freezing spray warning in effect
Anticosti - southeastern half
Issued 10:00 AM AST 21 December 2024Moderate or severe freezing spray is occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.
Synopsis
Technical Marine Synopsis
Issued 10:00 AM AST 21 December 2024 Today Tonight and Sunday At 10:00 a.m. AST today intensifying low 985 mb located south ofNova Scotia.
By 8:00 p.m. AST tonight departing low 975 mb located over
southwestern Newfoundland.
At 10:00 p.m. AST tonight approaching ridge located over the
Great Lakes.
Marine Weather Statement
Issued 9:36 AM AST 21 December 2024 A low south of Nova Scotia will continue to move across the marinedistrict today to lie over Southwestern Newfoundland this evening
then will depart.
Gale to storm force winds will prevail today. Winds will diminish to
strong to gale force northwesterlies in the wake of the low tonight.
Marine interests are advised that storm warnings are in effect for
eastern shore - eastern half. Sable - eastern half, Fourchu,
Banquereau, Laurentian Fan, Cabot Strait - northern half, Gulf -
Magdalen, and Anticosti - southeastern half. Gale warnings are in
effect for all remaining waters except Chaleur-Miscou - western
Half.
Freezing spray warnings are in effect for Fundy, Northumberland
Strait, Gulf-Magdalen, Chaleur-Miscou and Anticosti.
Higher than normal water levels are possible along north-facing
coastlines of the Southern Gulf of St. Lawrence during high tide this
afternoon into the evening.
St. Lawrence - St. Lawrence River Area
- Anticosti - northwestern half
- Anticosti - southeastern 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
- 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
- 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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