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Northumberland Strait - eastern half

Warnings

Forecast

Marine Forecast

Issued 10:00 AM AST 21 January 2026

Today Tonight and Thursday.

Wind west 20 to 25 knots diminishing to southwest 15 this afternoon and to light this evening. Wind increasing to south 15 to 20 Thursday morning except light over western sections. Wind becoming southwest 15 Thursday evening.

Snow beginning near midnight changing to showers or flurries Thursday afternoon. Visibility 1 mile or less in snow.

Freezing spray warning in effect.

Over open water freezing spray ending this afternoon.

Temperatures minus 11 rising to plus 1 Thursday afternoon then falling to minus 5 Thursday evening.

Extended Forecast

Issued 03:00 AM 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. 4 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.

4 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)

Freezing spray warning in effect

Northumberland Strait

Issued 10:00 AM AST 21 January 2026

Moderate or severe freezing spray is occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Ice pressure warning in effect

Northumberland Strait - eastern 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 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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