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Colour-coded Weather Alerts

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East Coast

Warnings

Forecast

Marine Forecast

Issued 10:00 AM NST 12 December 2025

Today Tonight and Saturday.

Gale warning in effect.

Wind southwest 25 knots increasing to southwest 35 to 45 near noon then veering to west 25 to 35 Saturday morning.

Showers or flurries becoming flurries this evening and ending Saturday afternoon.

Temperatures plus 4 falling to minus 3 to plus 2 this evening.

Waves

Issued 06:00 AM NST 12 December 2025
Today Tonight and Saturday. Seas 3 to 5 metres except 5 to 7 over southern sections tonight and Saturday.

Extended Forecast

Issued 03:00 AM NST 12 December 2025
Sunday Wind west 25 knots diminishing to light in the afternoon.
Monday Wind east 35 knots becoming southwest 35.
Tuesday Wind northwest 45 to 55 knots diminishing to northwest 25.

Ice Forecast

Issued 10:00 AM EST 12 December 2025 Today Tonight and Saturday Bergy water. 

[ 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 December 2025 Today Tonight and Saturday

Ice Edge

Ice edge estimated from Newfoundland near 4934N 5429W to 4941N 5429W
to 5016N 5608W to 5139N 5511W to 5339N 5536W to 5627N 6028W to 5928N
6239W to Labrador near 6018N 6424W. Sea ice west of the ice edge.

Ice Coverage

Bergy water.

 

Iceberg Bulletin

Issued 1:30 PM EST 11 December 2025

Iceberg Limit

Iceberg limit at 0000 UTC 12 Dec estimated from Newfoundland near
4730N 5239W to 4730N 5030W to 5200N 4915W to 5945N 5730W to 6155N
5330W to 6005N 4945W then northeastward.

Iceberg Count

No confirmed icebergs except less than 10 icebergs north of the
iceberg limit.
Warnings

Warnings (In effect)

Gale warning in effect

East Coast

Issued 10:00 AM NST 12 December 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 10:00 AM NST 12 December 2025 Today Tonight and Saturday At 10:00 a.m. NST today deepening low 968 mb located southeast of
Labrador Sea.
By 10:00 a.m. NST Saturday low 958 mb located southeast of
Labrador Sea.

At 10:00 a.m. NST today trough from low located on a line
northeast-southwest over the Quebec Lower North Shore.
By 10:00 a.m. NST Saturday dissipating trough from low located
east of the Marine District.

Marine Weather Statement

Issued 9:51 AM NST 12 December 2025 A low pressure system southeast of the Labrador Sea will stall today
as it deepens. A trailing trough from the low will sweep from west to
east, crossing Newfoundland Saturday morning. Strong to gale force
west to southwesterlies can be expected today and Saturday across
most waters due to these features.

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

Atlantic - Newfoundland Area

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Marine Weather for Canada

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