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Gulf - Magdalen - southwestern half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM AST 06 December 2025

Today Tonight and Sunday.

Wind west 25 knots diminishing to northwest 15 early this morning and to light near noon. Wind increasing to southwest 10 to 15 this evening then veering to west 20 Sunday morning. Wind veering to northwest 15 Sunday evening.

Scattered flurries ending early this morning. Flurries beginning this evening and becoming showers or flurries after midnight and ending near noon Sunday. Visibility 1 mile or less in precipitation.

Freezing spray warning in effect.

Freezing spray ending this morning.

Temperatures minus 6 rising to plus 3 Sunday morning then falling to minus 2 Sunday evening.

Waves

Issued 05:00 AM AST 06 December 2025
Today Tonight and Sunday. Seas 1 to 2 metres subsiding to 1 or less this morning then building to 1 to 2 late overnight. Seas building to 2 to 3 Sunday afternoon.

Extended Forecast

Issued 03:00 AM AST 06 December 2025
Monday Wind northwest 20 knots increasing to northwest 30 in the afternoon.
Tuesday Wind west 30 knots.
Wednesday Wind southwest 25 knots diminishing to southwest 15 late in the day.

Ice Forecast

Issued 10:00 AM EST 5 December 2025 Today Tonight and Saturday Open water. 

[ Canadian Ice Service ]

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Weather Conditions

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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 EST 5 December 2025 Today Tonight and Saturday

Ice Edge

First ice edge estimated from New Brunswick near 4705N 6450W to
4758N 6416W to Gaspe Peninsula near 4830N 6413W. Sea ice east of the
ice edge.

Second ice edge estimated from Gaspe Peninsula near 4856N 6712W to
4956N 6635W to 4958N 6014W to Quebec near 5125N 5737W. Sea ice north
of the ice edge.

Ice Coverage

Open water.

 

Iceberg Bulletin

Issued 1:30 PM EST 5 December 2025

Iceberg Limit

Iceberg limit at 0000 UTC 6 Dec estimated from Newfoundland near
4830N 5310W to 4900N 4815W to 5000N 4700W to 5100N 4730W to 5945N
5730W to 6120N 5340W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Freezing spray warning in effect

Gulf - Magdalen - southwestern half

Issued 03:00 AM AST 06 December 2025

Moderate or severe freezing spray is 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 6 December 2025 Today Tonight and Sunday At 3:00 a.m. AST today departing low 960 mb located northeast
of Newfoundland.

At 3:00 a.m. AST Sunday low 1004 mb located near the St. Lawrence
River.
By 3:30 p.m. AST Sunday low 1000 mb located over the northeastern
Gulf of St. Lawrence.

At 3:00 a.m. AST today ridge located over the western Marine
District.
By 8:00 p.m. AST tonight ridge located over the eastern Marine
District.

Marine Weather Statement

Issued 3:09 AM AST 6 December 2025 An intense low pressure system northeast of Newfoundland will
continue to move eastward, farther away from the marine district
today. A ridge of high pressure over western waters will move to lie
over the eastern marine district by this evening. Gale force
northwesterlies over eastern waters will diminish today.

Marine interests are advised that gale warnings are in effect for
Laurentian Fan - northeastern half, Banquereau and Cabot Strait.

Marine interests are also advised that freezing spray warnings are in
effect for Cabot Strait, Gulf-Magdalen, Chaleur-Miscou and Anticosti.

Atlantic - Newfoundland Area

Another Region

Marine Weather for Canada

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