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Laurentian Fan

Warnings

Forecast

Marine Forecast

Issued 03:30 PM ADT 23 March 2025

Tonight and Monday.

Gale warning in effect.

Wind west 25 knots increasing to northwest 35 this evening then diminishing to northwest 25 Monday morning. Wind diminishing to northwest 15 Monday afternoon and to light Monday evening.

Showers and fog patches ending this evening with a risk of thunderstorms. Flurries or showers overnight.

Temperatures plus 6 falling to zero near noon Monday.

Waves

Issued 05:00 PM ADT 23 March 2025
Tonight and Monday. Seas 2 to 3 metres building to 3 to 5 this evening then subsiding to 2 to 3 Monday evening.

Extended Forecast

Issued 03:30 PM ADT 23 March 2025
Tuesday Wind southeast 15 knots increasing to south 35 in the morning.
Wednesday Wind southwest 25 knots diminishing to west 15.
Thursday Wind southeast 30 knots diminishing to west 25.

Ice Forecast

Issued 10:00 AM EDT 23 March 2025 Today Tonight and Monday 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 EDT 23 March 2025 Today Tonight and Monday

Ice Edge

Ice edge estimated from Nova Scotia near 4521N 6100W to 4600N 5900W
to Newfoundland near 4736N 5740W. Sea ice northwest of the ice edge.

Ice Coverage

Ice free.

 

Iceberg Bulletin

Issued 3:31 PM EDT 23 March 2025

Iceberg Limit

Iceberg limit at 0000 UTC 24 Mar estimated from Newfoundland near
4643N 5307W to 4615N 5155W to 4550N 4730W to 4730N 4420W to 5135N
4525W to 5510N 4825W to 5900N 5620W to 6110N 5505W to 5820N 4555W
then eastwards.

Western iceberg limit at 0000 UTC 24 Mar estimated from Quebec near
5020N 6025W to Newfoundland near 4920N 5745W.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Laurentian Fan

Issued 3:30 PM ADT 23 March 2025

'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 3:30 PM ADT 23 March 2025 Tonight and Monday At 3:30 p.m. ADT today trough located over Cabot Strait.
By 8:00 p.m. ADT tonight departing trough located over Banquereau.

At 10:00 a.m. ADT Monday approaching trough located over New
England.

Marine Weather Statement

Issued 4:08 PM ADT 23 March 2025 A trough of low pressure over Cabot Strait will track eastward across
Newfoundland tonight. Strong to gale force northwesterly winds are
forecast in the wake of the trough.

A second trough of low pressure will approach the marine district
late on Monday. Strong to gale force southerlies will develop ahead
of this feature over western waters.

Marine interests are advised that gale warnings are in effect for
Grand Manan, Lurcher, Browns Bank, eastern shore - eastern half,
Sable - eastern half. East Scotian Slope, Fourchu, Banquereau,
Laurentian Fan, Cabot Strait, Gulf-Magdalen - northeastern half, and
Anticosti - southwestern half. Marine interests are also advised a
freezing spray warning is in effect for Anticosti.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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