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Gulf - Magdalen - northeastern half

Forecast

Marine Forecast

Issued 03:00 AM AST 07 December 2025

Today Tonight and Monday.

Wind southwest 15 knots veering to westerly 20 this morning then to northwest 15 near midnight. Wind increasing to northwest 30 Monday afternoon.

Flurries. Visibility 1 mile or less in flurries.

Freezing spray warning in effect.

Freezing spray beginning Monday afternoon.

Temperatures zero falling to minus 6 Monday evening.

Waves

Issued 05:00 AM AST 07 December 2025
Today Tonight and Monday. Seas 1 metre building to 1 to 2 this morning and to 2 to 3 this afternoon. Seas subsiding to 1 to 2 late overnight then building to 2 to 3 Monday afternoon and to 3 to 4 Monday evening.

Extended Forecast

Issued 03:00 AM AST 07 December 2025
Tuesday Wind west 30 knots.
Wednesday Wind southwest 25 knots.
Thursday Wind northerly 20 knots.

Ice Forecast

Issued 10:00 AM EST 6 December 2025 Today Tonight and Sunday Open water except 2 tenths new ice along parts of the Magdalen Islands. 

[ 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:
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land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EST 6 December 2025 Today Tonight and Sunday

Ice Edge

First ice edge estimated from New Brunswick near 4511N 6609W to
4508N 6549W to 4518N 6513W to Nova Scotia near 4510N 6445W. Sea ice
northeast of the ice edge.

Second ice edge estimated from Nova Scotia near 4546N 6254W to 4558N
6310W to Prince Edward Island near 4558N 6250W. Sea ice west of the
ice edge.

Third ice edge estimated from 4723N 6136W to 4738N 6112W to 4744N
6124W to 4734N 6159W to 4706N 6212W to 4706N 6147W to 4723N 6136W.
Sea ice within the ice edge.

Fourth ice edge estimated from Prince Edward Island near 4630N 6319W
to 4741N 6431W to 4827N 6402W to 4904N 6404W to 4925N 6516W to 4916N
6703W to 4956N 6635W to Anticosti Island near 4924N 6336W. Sea ice
west then north of the ice edge.

Fifth ice edge estimated from Anticosti Island near 4949N 6317W to
4946N 5954W to Quebec near 5125N 5736W. Sea ice north of the ice
edge.

Ice Coverage

Open water except 2 tenths new ice along parts of the Magdalen
Islands.

 

Iceberg Bulletin

Issued 1:30 PM EST 6 December 2025

Iceberg Limit

Iceberg limit at 0000 UTC 7 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 - northeastern half

Issued 03:00 AM AST 07 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 7 December 2025 Today Tonight and Monday At 3:00 a.m. AST today low 1004 mb located near the St. Lawrence
River.
By 3:30 p.m. AST today departing low 1000 mb located over the
northeastern Gulf of St. Lawrence.

At 8:00 p.m. AST tonight intensifying low 1014 mb located over
the Gulf of Maine.
By 8:00 p.m. AST Monday departing low 997 mb located over eastern
Banquereau.

At 8:00 p.m. AST Monday approaching ridge located over the Great
Lakes.

Marine Weather Statement

Issued 2:50 AM AST 7 December 2025 A low pressure system will track across the Northern Gulf of St.
Lawrence today. Strong westerlies are expected later today over much
of the Gulf of St. Lawrence and Cabot Strait in the wake of the low.

Another low pressure system will move into the Gulf of Maine tonight
and will track south of Nova Scotia Monday morning and then south of
Newfoundland late Monday. Strong to gale force northwesterlies will
develop across the district on Monday in the wake of the low.
In addition, freezing spray is expected over most northern and
western waters late Monday as these northwesterlies usher in cold
air.

Marine interests are advised that gale warnings are in effect
Banquereau and Laurentian Fan.

Freezing spray warnings are in effect for Fundy, Grand Manan,
Lurcher, southwestern shore, eastern shore, and all of the Gulf of
St. Lawrence waters.

Atlantic - Newfoundland Area

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