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Grand Manan

Forecast

Marine Forecast

Issued 03:00 AM AST 21 January 2026

Today Tonight and Thursday.

Wind northwest 25 knots with gusts to 35 ending early this morning. Wind backing to westerly 20 this morning then to southwest 20 to 25 near midnight. Wind increasing to southwest 25 to 30 Thursday morning then diminishing to west 15 to 20 near noon Thursday. Wind increasing to west 25 Thursday evening.

Periods of snow beginning this evening changing to scattered showers or flurries Thursday morning. Visibility 1 mile or less in snow.

Freezing spray warning in effect.

Freezing spray ending this afternoon.

Temperatures minus 6 rising to plus 4 Thursday evening.

Waves

Issued 05:00 PM AST 20 January 2026
Tonight and Wednesday. Seas 2 to 3 metres subsiding to 1 to 2 this evening then building to 2 to 3 Wednesday evening.

Extended Forecast

Issued 03:00 AM AST 21 January 2026
Friday Wind west 25 knots.
Saturday Wind northwest 30 knots.
Sunday Wind northwest 20 knots veering to northeast 15.

Ice Forecast

Issued 10:00 AM EST 20 January 2026 Today Tonight and Wednesday Open water. 

[ Canadian Ice Service ]

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Weather Conditions

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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 20 January 2026 Today Tonight and Wednesday

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.

Warnings

Warnings (In effect)

Freezing spray warning in effect

Grand Manan

Issued 03:00 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.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM AST 21 January 2026 Today Tonight and Thursday At 3:00 a.m. AST today quasi-stationary low 979 mb located over
Labrador Sea.

At 3:00 a.m. AST today ridge located over the East Coast of the U.S.
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 2:46 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
eastern shore - eastern half, Sable - eastern half, Fourchu,
Banquereau, Laurentian Fan, Cabot Strait, and all Gulf of St.
Lawrence waters.

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

Atlantic - Maritimes Area

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