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Colour-coded Weather Alerts

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Warnings

Forecast

Marine Forecast

Issued 10:56 PM EST 05 December 2025

Tonight and Saturday.

Wind southwest 15 to 25 knots diminishing to southwest 10 to 15 near midnight then increasing to southerly 15 to 25 early Saturday morning.

Scattered flurries Saturday.

Low tonight minus 8. High Saturday minus 3.

Waves

Issued 03:00 PM EST 05 December 2025
Tonight and Saturday. Seas 1 to 2 metres subsiding to 1 this evening.

Extended Forecast

Issued 06:00 PM EST 05 December 2025
Sunday Wind west 20 to 30 knots diminishing to west 10 to 20 in the afternoon.
Monday Wind northwest 10 to 20 knots increasing to west 20 to 30.
Tuesday Wind southwest 20 to 30 knots.

Ice Forecast

Issued 10:00 AM EST 5 December 2025 Today Tonight and Saturday Open water except 5 tenths new ice along parts of the coasts. 

[ 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 5 December 2025 Today Tonight and Saturday

Ice Edge

First ice edge estimated from New Brunswick near 4705N 6450W to
4758N 6416W to Gaspe Peninsula near 4830N 6413W. Sea ice east of the
ice edge.

Second ice edge estimated from Gaspe Peninsula near 4856N 6712W to
4956N 6635W to 4958N 6014W to Quebec near 5125N 5737W. Sea ice north
of the ice edge.

Ice Coverage

Open water except 5 tenths new ice along parts of the coasts.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 PM EST 5 December 2025 Tonight and Saturday At 3:00 p.m. EST today departing low 967 mb located east of
Newfoundland.

At 3:00 p.m. EST today ridge located on a line north-south over
Rimouski.
By 7:00 p.m. EST Saturday ridge located on a line north-south over
the Quebec Lower North Shore.

At 3:00 p.m. EST today trough located on a line northeast-southwest
over northern Ontario.
By 7:00 p.m. EST Saturday trough located on a line
northeast-southwest over Lake Saint-Jean.

Atlantic - Maritimes Area

Another Region

Marine Weather for Canada

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