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Laurentian Fan - western half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM AST 12 November 2025

Today Tonight and Thursday.

Gale warning in effect.

Wind southwest 40 knots diminishing to westerly 25 this afternoon and to variable 10 to 15 this evening. Wind increasing to southeasterly 25 overnight and to westerly 30 Thursday morning.

Showers ending this afternoon. Risk of thunderstorms early this morning. Rain tonight and Thursday with a risk of thunderstorms.

Waves

Issued 05:00 PM AST 11 November 2025
Tonight and Wednesday. Seas 3 to 4 metres building to 4 to 6 early this evening and to 5 to 7 near midnight. Seas subsiding to 3 to 4 Wednesday evening.

Extended Forecast

Issued 03:00 AM AST 12 November 2025
Friday Wind west 20 knots.
Saturday Wind north 20 knots.
Sunday Wind light.

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

Ice Forecasts

Issued 10:00 AM EDT 26 May 2025 Forecasts have ended for the season.
 

Iceberg Bulletin

Issued 1:30 PM EST 11 November 2025

Iceberg Limit

Iceberg limit at 0000 UTC 12 Nov estimated from Newfoundland near
5026N 5623W to 5000N 4915W to 5045N 4745W to 5315N 4900W to 5945N
5730W to 6055N 5315W to 5950N 4955W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Laurentian Fan

Issued 03:00 AM AST 12 November 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.

Storm warning in effect

Laurentian Fan - western half

Issued 8:00 PM AST 11 November 2025

'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 3:00 AM AST 12 November 2025 Today Tonight and Thursday At 3:00 a.m. AST today trough from low located from the Quebec
Lower North Shore to the Grand Banks.
By 10:00 a.m. AST today departing trough from low located east
of Newfoundland.

At 3:00 a.m. AST Thursday intensifying low 1003 mb located over
southwestern East Scotian Slope.
By 3:30 p.m. AST Thursday low 990 mb located over southern
Banquereau.

Marine Weather Statement

Issued 2:38 AM AST 12 November 2025 A low pressure system over the Quebec Lower North Shore,
With an intense trough to the southeast, will continue to track
northerly as the trough pushes eastward over the Grand Banks this
morning. Gale to storm force westerlies will continue in its wake.

Marine interests are advised that gale warnings are in effect for all
waters except Fundy.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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