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Laurentian Fan

Warnings

Forecast

Marine Forecast

Issued 10:00 AM AST 21 January 2026

Today Tonight and Thursday.

Gale warning in effect.

Wind northwesterly 35 knots diminishing to northwest 25 near noon then backing to west 15 to 20 early this evening. Wind backing to southwest 10 to 15 early Thursday morning then increasing to southwest 30 Thursday afternoon.

Scattered showers or scattered flurries ending overnight. Rain Thursday evening with a risk of thunderstorms.

Waves

Issued 05:00 AM AST 21 January 2026

Laurentian Fan - eastern half

Today Tonight and Thursday. Seas 5 metres subsiding to 3 to 4 early this evening and to 2 to 3 late overnight.

Laurentian Fan - western half

Today Tonight and Thursday. Seas 4 metres subsiding to 2 to 3 early this evening.

Extended Forecast

Issued 03:00 AM AST 21 January 2026
Friday Wind west 25 knots.
Saturday Wind west 25 knots increasing to northwest 35 to 45.
Sunday Wind northwest 35 knots diminishing to northwest 15.

Ice Forecast

Issued 10:00 AM EST 21 January 2026 Today Tonight and Thursday 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 21 January 2026 Today Tonight and Thursday

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 4822N 6159W to 5039N 5807W to
4759N 5937W to Newfoundland near 4738N 5919W. Sea ice northwest then
east of the ice edge.

Ice Coverage

Ice free.

 

Iceberg Bulletin

Issued 1:30 PM EST 20 January 2026

Iceberg Limit

Iceberg limit at 0000 UTC 21 Jan estimated from Newfoundland near
4952N 5545W to 5015N 5200W to 5115N 4815W to 5245N 4815W to 5945N
5730W to 6145N 5155W to 5930N 4750W then northeastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Laurentian Fan

Issued 10:00 AM AST 21 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 10:00 AM AST 21 January 2026 Today Tonight and Thursday At 10:00 a.m. AST today quasi-stationary low 979 mb located over
Labrador Sea.

At 10:00 a.m. AST today ridge located southwest of the Marine
District.
By 10:00 a.m. AST Thursday ridge located south of the Grand Banks.

At 3:00 a.m. AST Thursday trough located over New England.
By 8:00 p.m. AST Thursday trough located from Newfoundland to
Georges Bank.

Marine Weather Statement

Issued 9:48 AM AST 21 January 2026 Strong to gale force westerly winds will continue today over northern
and eastern waters between a quasi-stationary low over the Labrador
Sea and an approaching ridge to the west.

On Tuesday, strong to possibly gale force southwest winds are
expected ahead of a trough of low pressure.

Marine interests are advised that gale warnings are in effect for
Banquereau, Laurentian Fan, Cabot Strait, Gulf-Magdalen - eastern
half and Anticosti.

Marine interests are advised that freezing spray warnings are in
effect for Fundy, Grand Manan, eastern shore - eastern half, Fourchu,
Banquereau - northern half, Cabot Strait and all Gulf of St. Lawrence
waters.

Atlantic - Maritimes Area

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Marine Weather for Canada

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