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Northumberland Strait - western half

Warnings

Forecast

Marine Forecast

Issued 08:00 PM AST 21 January 2026

Tonight and Thursday.

Wind southwest 15 knots diminishing to light late overnight then becoming variable 10 to 15 near noon Thursday.

Snow beginning overnight changing to scattered flurries Thursday evening. Visibility 1 mile or less in snow.

Temperatures minus 6 falling to minus 12 overnight then rising to minus 5 Thursday evening.

Extended Forecast

Issued 03:30 PM AST 21 January 2026
Friday Wind west 25 knots.
Saturday Wind west 25 knots.
Sunday Wind northwest 30 knots diminishing to northwest 15.

Ice Forecast

Issued 10:00 AM EST 21 January 2026 Today Tonight and Thursday Ice pressure warning in effect. 8 tenths new ice including 1 tenth grey-white ice except 9 tenths grey-white ice along the southern Prince Edward Island coast. Consolidated grey-white ice along parts of the coasts. Strong ice pressure along the southern coast of Prince Edward Island easing late this evening. 

[ 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 pressure warning in effect.

8 tenths new ice including 1 tenth grey-white ice except 9 tenths
grey-white ice along the southern Prince Edward Island coast.
Consolidated grey-white ice along parts of the coasts.
Strong ice pressure along the southern coast of Prince Edward Island
easing late this evening.

Warnings

Warnings (In effect)

Ice pressure warning in effect

Northumberland Strait - western half

Issued 10:00 AM EST 21 January 2026

Navigators in this marine area should be on the lookout for hazardous ice conditions and take necessary safety precautions. Please refer to the latest ice forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio stations.

Synopsis

Technical Marine Synopsis

Issued 8:00 PM AST 21 January 2026 Tonight and Thursday At 8:00 p.m. AST tonight quasi-stationary low 976 mb located over
Labrador Sea.

At 8:00 p.m. AST tonight ridge located on a line north-south over
the central Marine District.
By 10:00 a.m. AST Thursday ridge located east of the Marine
District.

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

Marine Weather Statement

Issued 7:40 PM AST 21 January 2026 Strong to gale force westerly winds in the wake of low pressure
system over the Labrador Sea will diminish as a ridge of high
pressure moves eastward across marine waters.

On Thursday, a trough of low pressure will track eastward across the
southern marine district. Strong to gale force southwesterlies are
expected ahead of the trough.

Marine interests are advised that gale warnings are in effect for
eastern shore, Sable, Fourchu, Banquereau - northern half and Cabot
Strait.

Marine interests are advised that freezing spray warnings are in
effect for Fourchu, Banquereau, Cabot Strait, Gulf-Magdalen and
Anticosti.

Atlantic - Maritimes Area

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Marine Weather for Canada

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