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South Coast

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Forecast

Marine Forecast

Issued 10:00 AM NST 13 December 2025

Today Tonight and Sunday.

Gale warning in effect.

Wind west 35 knots diminishing to west 25 this evening and to west 15 to 20 Sunday morning. Wind diminishing to light near noon Sunday then increasing to southeast 25 Sunday evening.

Flurries ending Sunday morning. Snow or rain Sunday evening.

Waves

Issued 06:00 AM NST 13 December 2025
Today Tonight and Sunday. Seas 5 to 7 metres subsiding to 3 to 5 this evening and to 2 to 3 near noon Sunday.

Extended Forecast

Issued 03:00 AM NST 13 December 2025
Monday Wind east 25 to 35 knots veering to south 25 to 35 in the morning then increasing to southwest 40 to 50 late in the day.
Tuesday Wind northwest 45 to 55 knots diminishing to northwest 25.
Wednesday Wind southwest 25 knots.

Ice Forecast

Issued 10:00 AM EST 13 December 2025 Today Tonight and Sunday Ice free. 

[ Canadian Ice Service ]

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Map of Atlantic - Maritimes marine weather areas Summerside Stephenville Airport North Cape Burgeo Pointe-des-Monts Port aux Basques Sagona Island St. Lawrence Tracadie Winterland Branch Hill Wreckhouse Halifax Harbour - 44258 LaHave Bank - 44150 Sept-Îles Airport Banquereau - 44139 Longue-Pointe-de-Mingan Île Rouge Île aux Perroquets Havre-Saint-Pierre Airport East Scotia Slope - 44137 Baie-Comeau Airport Mont-Joli Airport Rivière-la-Madeleine Saint John Airport Gaspé Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Heath Point Miscou Island Kouchibouguac Îles de la Madeleine Airport Kouchibouguac La Pocatière Grand Manan St. Stephen Fundy Park (Alma) New Carlisle Miramichi Pointe-au-Père Charlo Port Menier Bathurst Airport Île Bicquette Bas Caraquet Cap-Chat East Chedabucto Bay – 44488 West Chedabucto Bay – 44489 Lunenburg Charlottetown Airport Yarmouth Airport Pointe-Noire Western Head J.A. Douglas McCurdy Sydney Airport Shearwater Airport St.Paul Island Sable Island Parrsboro North Mountain Nappan AAFC McNabs Island East Point Kentville AAFC Ingonish Beach Hart Island CFB Greenwood Grand Étang Eskasoni (First Nations) Debert Caribou Point Brier Island Cap-d'Espoir Beaver Island Baccaro Point
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EST 13 December 2025 Today Tonight and Sunday

Ice Edge

Ice edge estimated from Newfoundland near 4934N 5429W to 4941N 5429W
to 5018N 5539W to 5117N 5503W to 5341N 5526W to 5633N 6011W to 5928N
6239W to Labrador near 6018N 6424W. Sea ice west of the ice edge.

Ice Coverage

Ice free.

 

Iceberg Bulletin

Issued 1:30 PM EST 12 December 2025

Iceberg Limit

Iceberg limit at 0000 UTC 13 Dec estimated from Newfoundland near
4730N 5239W to 4730N 5000W to 5200N 4845W to 5945N 5730W to 6155N
5330W to 6005N 4945W to 5900N 4600W then northeastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

South Coast

Issued 10:00 AM NST 13 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 13 December 2025 Today Tonight and Sunday At 10:00 a.m. NST today low 957 mb located southeast of Labrador
Sea.
By 10:00 a.m. NST Sunday low 957 mb located southeast of Greenland.

At 8:00 p.m. NST tonight ridge located on a line northwest-southeast
over the Maritimes.
By 8:00 p.m. NST Sunday ridge located from the Grand Banks to
Labrador Coast.

At 8:00 p.m. NST Sunday approaching low 998 mb located south of
Nova Scotia.

Marine Weather Statement

Issued 9:50 AM NST 13 December 2025 An intense low pressure system southeast of the Labrador Sea will
remain nearly stationary today before tracking eastward this evening
to lie southeast of Greenland by Sunday morning. Strong to gale force
southwest to northwesterlies will gradually diminish from west to
east throughout the forecast period as the low slowly pulls away.

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

Marine interests are also advised that freezing spray warnings are in
effect for Northeast Coast and Belle Isle Bank.

Marine interests are also advised that water levels are expected to
exceed the highest astronomical tide with high waves and pounding
surf, impacting some coastal areas of Northeast Coast and East Coast
Monday night into Tuesday morning, most significant near high tide.

Atlantic - Maritimes Area

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Marine Weather for Canada

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