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Southwestern Shore

Warnings

Forecast

Marine Forecast

Issued 03:00 AM AST 18 January 2026

Today Tonight and Monday.

Gale warning in effect.

Wind southwest 25 knots diminishing to west 15 early this morning and to light late this morning. Wind increasing to northeast 25 this evening and to northeast 35 overnight. Wind diminishing to northwest 25 Monday morning and to west 15 Monday afternoon. Wind increasing to southwest 30 Monday evening.

Periods of rain ending early this morning. Periods of rain beginning this afternoon and changing to periods of snow or rain this evening and ending Monday afternoon. Scattered showers Monday evening. Fog patches dissipating this afternoon. Visibility 1 mile or less in fog patches and in precipitation.

Waves

Issued 05:00 AM AST 18 January 2026
Today Tonight and Monday. Seas 2 to 3 metres subsiding to 1 to 2 this afternoon then building to 2 to 3 late overnight. Seas building to 3 to 4 Monday afternoon.

Extended Forecast

Issued 03:00 AM AST 18 January 2026
Tuesday Wind west 25 to 30 knots.
Wednesday Wind northwest 25 knots diminishing to southwest 15.
Thursday Wind southwest 25 knots.

Ice Forecast

Issued 10:00 AM EST 17 January 2026 Today Tonight and Sunday Open water. 

[ 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 17 January 2026 Today Tonight and Sunday

Ice Edge

First ice edge estimated from New Brunswick near 4532N 6507W to Nova
Scotia near 4500N 6510W. Sea ice east of the ice edge.

Second ice edge estimated from Nova Scotia near 4435N 6327W to 4432N
6251W to 4539N 5917W to 4704N 6000W to 4825N 6224W to 5039N 5807W to
4759N 5937W to Newfoundland near 4738N 5919W. Sea ice northwest then
east of the ice edge.

Ice Coverage

Open water.

 

Iceberg Bulletin

Issued 1:30 PM EST 17 January 2026

Iceberg Limit

Iceberg limit at 0000 UTC 18 Jan estimated from Newfoundland near
5000N 5532W to 5030N 5230W to 5200N 4915W to 5315N 4915W to 5945N
5730W to 6145N 5155W to 5900N 4735W then northeastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Southwestern Shore

Issued 03:00 AM AST 18 January 2026

'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 3:00 AM AST 18 January 2026 Today Tonight and Monday At 3:00 a.m. AST today trough located from Georges Bank to the
Gulf of St. Lawrence.
By 3:30 p.m. AST today departing trough located east of the Marine
District.

At 8:00 p.m. AST tonight intensifying low 1002 mb located southwest
of Georges Bank.
By 3:30 p.m. AST Monday low 976 mb located east of the Marine
District.

At 3:00 a.m. AST today ridge located over New England.
By 3:30 p.m. AST today ridge located over the central Marine
District.

Marine Weather Statement

Issued 2:43 AM AST 18 January 2026 A trough of low pressure extending from Georges Bank to the Gulf of
St. Lawrence will move to lie east of the marine district by this
afternoon. A ridge of high pressure over New England will move across
the marine district today and tonight. Strong to gale force
southwesterlies over southeastern waters will diminish today as the
trough moves off to the east and the ridge moves in.

A developing low pressure system will approach the marine district
from the southwest today. The low will intensify as it tracks
northeastward to the south of Nova Scotia tonight and Monday morning.
Winds will increase to strong to gale force northeasterlies north of
the low's track and gale to near storm force southwesterlies south of
the low's track.

Marine interests are advised that gale warnings are in effect for
Georges Bank, southwestern shore, LaHave Bank, West Scotian Slope,
eastern shore, Sable, East Scotian Slope, Fourchu, Banquereau,
Laurentian Fan and Cabot Strait.

Atlantic - Maritimes Area

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Marine Weather for Canada

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