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Cabot Strait - southern half

Warnings

Forecast

Marine Forecast

Issued 03:30 PM AST 12 January 2026

Tonight and Tuesday.

Storm warning in effect.

Wind westerly 50 knots diminishing to west 35 early this evening and to west 30 near midnight. Wind diminishing to west 20 late overnight then backing to southwest 15 Tuesday evening.

Periods of snow ending near midnight.

Temperatures near minus 1.

Waves

Issued 05:00 AM AST 12 January 2026
Today Tonight and Tuesday. Seas 2 to 3 metres building to 3 to 4 this morning and to 6 this afternoon. Seas subsiding to 4 after midnight and to 2 to 3 Tuesday morning and to 1 to 2 Tuesday evening.

Extended Forecast

Issued 03:30 PM AST 12 January 2026
Wednesday Wind west 25 knots backing to southerly 25 in the afternoon.
Thursday Wind south 25 knots.
Friday Wind northerly 25 knots.

Ice Forecast

Issued 10:00 AM EST 12 January 2026 Today Tonight and Tuesday Open water. Consolidated grey ice in a few sheltered bays. 

[ Canadian Ice Service ]

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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 12 January 2026 Today Tonight and Tuesday

Ice Edge

Ice edge estimated from New Brunswick near 4523N 6527W to 4407N
6639W to 4309N 6547W to 4520N 6014W to 4603N 5923W to 4704N 6000W to
4825N 6224W to 5039N 5807W to 4757N 5951W to Newfoundland near 4737N
5919W. Sea ice east then west of the ice edge.

Ice Coverage

Open water. Consolidated grey ice in a few sheltered bays.

 

Iceberg Bulletin

Issued 1:30 PM EST 12 January 2026

Iceberg Limit

Iceberg limit at 0000 UTC 13 Jan estimated from Newfoundland near
5000N 5532W to 5230N 5100W to 5430N 5100W to 5945N 5730W to 6145N
5155W to 5815N 4700W then northeastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Storm warning in effect

Cabot Strait - southern half

Issued 3:30 PM AST 12 January 2026

'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 12 January 2026 Tonight and Tuesday At 3:30 p.m. AST today low 954 mb located over western Newfoundland.
By 8:00 p.m. AST tonight departing low 958 mb located north of
Newfoundland.

At 3:00 a.m. AST Tuesday ridge located over the East Coast of
the U.S.
By 3:30 p.m. AST Tuesday ridge located south of the Marine District.

Marine Weather Statement

Issued 3:14 PM AST 12 January 2026 An intense low pressure system over Newfoundland will continue
tracking northeastward to lie north of Newfoundland this evening.
Gale to storm force westerlies in the wake of the low will diminish
tonight as the low pulls away.

Marine interests are advised that storm warnings are in effect for
eastern shore - eastern half, Sable - eastern half, East Scotian
Slope - eastern half, Fourchu, Banquereau, Laurentian Fan, Cabot
Strait, and Gulf-Magdalen. Gale warnings are in effect for all other
waters.

Additionally, freezing spray warnings are in effect for
Northumberland Strait, Chaleur-Miscou and Anticosti.

Atlantic - Newfoundland Area

Another Region

Marine Weather for Canada

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