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Laurentian Fan

Warnings

Forecast

Marine Forecast

Issued 03:30 PM AST 21 December 2024

Tonight and Sunday.

Storm warning in effect.

Wind south 40 to 50 knots becoming southwest 40 late this afternoon then veering to west 25 to 35 near midnight. Wind diminishing to west 20 to 25 early Sunday morning then veering to northwest 15 to 20 near noon Sunday.

Rain or a few thunderstorms this afternoon. Visibility 1 mile or less in precipitation.

Waves

Issued 05:00 AM AST 21 December 2024
Today Tonight and Sunday. Seas 3 to 5 metres building to 5 to 7 this afternoon then subsiding to 3 to 5 Sunday morning. Seas subsiding to 2 to 3 Sunday evening.

Extended Forecast

Issued 03:30 PM AST 21 December 2024
Monday Wind northwest 25 knots diminishing to northwest 15 in the afternoon.
Tuesday Wind northwest 15 knots diminishing to light.
Wednesday Wind northeast 15 to 20 knots increasing to northeast 25.

Ice Forecast

Issued 10:00 AM EST 21 December 2024 Today Tonight and Sunday Ice free. 

[ Canadian Ice Service ]

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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
Legend:
buoy Buoy
land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EST 21 December 2024 Today Tonight and Sunday

Ice Edge

First ice edge estimated from Nova Scotia near 4553N 6155W to Prince
Edward 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

Ice free.

 

Iceberg Bulletin

Issued 1:30 PM EST 21 December 2024

Iceberg Limit

Iceberg limit at 0000 UTC 22 Dec estimated from the Labrador coast
near 5320N 5549W to 5130N 5100W to 5145N 4900W 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

Laurentian Fan

Issued 3:30 PM 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.

Synopsis

Technical Marine Synopsis

Issued 3:30 PM AST 21 December 2024 Tonight and Sunday At 3:30 p.m. AST today low 978 mb located over Cabot Strait.
By 3:00 a.m. AST Sunday departing low 975 mb located over northern
Newfoundland.

At 10:00 p.m. AST tonight approaching ridge located over the
Great Lakes.

Marine Weather Statement

Issued 3:18 PM AST 21 December 2024 A low over Cabot Strait will move northeastward to lie over Northern
Newfoundland tonight.

Gale to storm force 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 eastern shore - western half, Sable - western half, East
Scotian Slope, Cabot Strait - southern half, Northumberland Strait,
Chaleur-Miscou - eastern half and Anticosti - northwestern 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.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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