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Laurentian Fan


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.


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

Issued 10:00 AM EST 9 December 2023 Today Tonight and Sunday Ice free. 

[ Canadian Ice Service ]

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Weather Conditions

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Map of Atlantic - Newfoundland marine weather areas Banquereau - 44139 East Chedabucto Bay – 44488 West Chedabucto Bay – 44489 Blanc-Sablon Airport Cap Whittle Chevery Natashquan Airport Heath Point Îles de la Madeleine Airport Miscou Island Eskasoni (First Nations) Grand Étang Ingonish Beach North Mountain St.Paul Island J.A. Douglas McCurdy Sydney Airport Charlottetown Airport East Point North Cape Argentia Berry Hill Bonavista Burgeo Cape Race Corner Brook Daniel's Harbour Englee Ferolle Point La Scie Port aux Basques Sagona Island St. Anthony Airport St. John's Int'l Airport St. Lawrence Stephenville Airport Twillingate Winterland Branch Hill Wreckhouse Grates Cove Pool's Island Marticot Island Long Pond Cartwright Airport Mary's Harbour
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EST 9 December 2023 Today Tonight and Sunday

Ice Edge

First ice edge estimated from Nova Scotia near 4548N 6308W to Prince
Edward 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

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 2023

Iceberg Limit

Iceberg limit at 0000 UTC 10 Dec estimated from the Labrador coast
near 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 (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.


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 Marine
By 3:00 a.m. AST Monday departing ridge located east of the Marine

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 move
eastward 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 - Newfoundland Area

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