Laurentian Fan
Forecast
Marine Forecast
Issued 03:00 AM AST 10 December 2023
Today Tonight and Monday.
Gale warning in effect.
Wind northwest 15 knots diminishing to light this morning then increasing to south 15 to 20 this evening. Wind increasing to south 25 Monday afternoon and to south 35 Monday evening.
Showers overnight. Fog patches forming overnight and dissipating Monday afternoon.
Waves
Issued 05:00 AM AST 10 December 2023
Laurentian Fan - eastern half
Today Tonight and Monday.
Seas 3 to 4 metres subsiding to 2 this morning then building to 2
to 3 near noon Monday. Seas building to 3 to 5 Monday evening.
Laurentian Fan - western half
Today Tonight and Monday.
Seas 2 to 3 metres subsiding to 1 to 2 this morning then building
to 2 to 3 Monday morning. Seas building to 3 to 5 Monday evening.
Extended Forecast
Issued 03:00 AM AST 10 December 2023
Tuesday
Wind south 40 knots diminishing to westerly 20
to 25 in the morning.
Wednesday
Wind westerly 10 to 15 knots.
Thursday
Wind south 20 to 25 knots becoming northwest
25.
Ice Forecast
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EST 9 December 2023 Today Tonight and SundayIce Edge
First ice edge estimated from Nova Scotia near 4548N 6308W to PrinceEdward Island near 4608N 6314W. Sea ice west of the ice edge.
Second ice edge estimated from Prince Edward Island near 4845N 6751W
to 4951N 6624W to Quebec near 4935N 6346W. Sea ice west of the ice
edge.
Third ice edge estimated from Quebec near 4630N 6321W to 4742N 6413W
to 4827N 6405W to Anticosti Island near 4845N 6410W. Sea ice north
of the ice edge.
Fourth ice edge estimated from Anticosti Island near 4952N 6343W to
5002N 6322W to 4952N 6128W to 5001N 5941W to 5118N 5746W to 5058N
5722W to Newfoundland near 4928N 5809W sea ice north then east of
the ice edge.
Ice Coverage
Ice free.
Iceberg Bulletin
Issued 1:30 PM EST 9 December 2023Iceberg Limit
Iceberg limit at 0000 UTC 10 Dec estimated from the Labrador coastnear 5240N 5548W to 5345N 5315W to 5600N 5315W to 5830N 5630W to
6050N 5630W to 5850N 4540W then eastwards.
Iceberg Count
No confirmed icebergs.Warnings
Warnings (In effect)
Gale warning in effect
Laurentian Fan
Issued 03:00 AM AST 10 December 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.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM AST 10 December 2023 Today Tonight and Monday At 3:00 a.m. AST today ridge located over the central MarineDistrict.
By 3:00 a.m. AST Monday departing ridge located east of the Marine
District.
At 8:00 p.m. AST tonight trough located over New England.
By 8:00 p.m. AST Monday trough located from Chaleur Bay to East
Scotian Slope.
Marine Weather Statement
Issued 2:39 AM AST 10 December 2023 A ridge of high pressure over the central marine district will moveeastward today to lie east of the district tonight. A trough of low
pressure will approach from the west today and tonight and will move
across the marine district beginning Monday afternoon.
Light winds near the ridge will increase to moderate to strong
southerlies in its wake today. On Monday, winds will increase to gale
to storm force southerlies ahead of the trough. Over western waters,
with the passage of the trough, winds will veer to strong to gale
force westerlies.
Marine interests are advised that storm warnings are in effect for
Grand Manan, Lurcher, Browns Bank, Georges Bank, Gulf-Magdalen and
Anticosti. Gale warnings are in effect for all remaining waters.
Atlantic - Maritimes Area
- Anticosti - northwestern half
- Anticosti - southeastern half
- Banquereau
- 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 - eastern half
- East Scotian Slope - western half
- Fourchu
- Fundy
- Georges Bank
- Grand Manan
- Gulf - Magdalen
- Gulf - Port au Port
- Halifax Harbour and Approaches
- LaHave Bank
- Laurentian Fan
- Lurcher
- 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
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