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Southwest Coast

Warnings

Forecast

Marine Forecast

Issued 03:30 PM NDT 04 September 2026

Tonight and Saturday.

Gale warning in effect.

Wind southeast 15 to 20 knots backing to east 25 late overnight then increasing to northeast 35 to 45 Saturday morning.

Rain Saturday.

Waves

Issued 06:00 PM NDT 04 September 2026
Tonight and Saturday. Seas 1 metre or less except 1 to 2 over western sections. Seas building to 1 to 2 near midnight and to 2 to 3 Saturday morning and to 3 to 5 Saturday afternoon.

Extended Forecast

Issued 03:30 PM NDT 04 September 2026
Sunday Wind northeast 35 knots diminishing to variable 15 to 20 in the afternoon.
Monday Wind northeast 15 to 20 knots becoming west 15 to 20.
Tuesday Wind northwest 15 to 20 knots.

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Map of Atlantic - Maritimes marine weather areas Baie-Comeau Airport Halifax Harbour - 44258 West Chedabucto Bay – 44489 North Cape Winterland Branch Hill Summerside Wreckhouse East Scotia Slope - 44137 Stephenville St. Lawrence Burgeo Havre-Saint-Pierre Airport Île aux Perroquets Île Rouge Longue-Pointe-de-Mingan Banquereau - 44139 Sept-Îles Airport Port aux Basques LaHave Bank - 44150 Sagona Island Mont-Joli Airport Beaver Island Baccaro Point St. Stephen Rivière-la-Madeleine Saint John Airport Gaspé Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Îles de la Madeleine Airport Miscou Island La Pocatière Kouchibouguac Cap-d'Espoir Grand Manan New Carlisle Fundy Park (Alma) Pointe-au-Père Miramichi Port Menier Charlo Île Bicquette Bathurst Airport Cap-Chat Bas Caraquet East Chedabucto Bay – 44488 Nappan AAFC East Point Charlottetown Airport Yarmouth Airport Pointe-Noire Western Head Tracadie J.A. Douglas McCurdy Sydney Airport Shearwater Airport St.Paul Island Sable Island Parrsboro North Mountain Pointe-des-Monts McNabs Island Lunenburg Kentville AAFC Ingonish Beach Hart Island CFB Greenwood Grand Étang Eskasoni (First Nations) Debert Caribou Point Brier Island
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 19 May 2026 Forecasts have ended for the season.
 

Iceberg Bulletin

Issued 2:30 PM EDT 4 September 2026

Iceberg Limit

Iceberg limit at 0000 UTC 5 Sep estimated from Newfoundland near
4910N 5455W to 5400N 5345W to 6000N 5600W to 6130N 5420W to 5900N
4610W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Southwest Coast

Issued 3:30 PM NDT 04 September 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.

Synopsis

Technical Marine Synopsis

Issued 3:30 PM NDT 4 September 2026 Tonight and Saturday At 3:30 p.m. NDT today ridge located on a line northeast-southwest
over the Grand Banks.
By 3:00 a.m. NDT Saturday departing ridge located east of the
Marine District.

At 3:30 p.m. NDT today deepening low 1005 mb located over
southwestern Nova Scotia.
By 3:30 p.m. NDT Saturday high 996 mb located over Laurentian Fan.

Marine Weather Statement

Issued 3:29 PM NDT 4 September 2026 A developing low pressure system will approach from the southwest
tonight and move to lie south of Newfoundland by Saturday afternoon.
Strong to gale force southeasterlies to northeasterlies are expected
to develop north and east of the low on Saturday.

Marine interests are advised that gale warnings are in effect for
Southwest Coast, South Coast, East Coast, and the Southern Grand
Banks.

Atlantic - Maritimes Area

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Marine Weather for Canada

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