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Sable - western half

Warnings

Forecast

Marine Forecast

Issued 08:00 PM ADT 04 September 2026

Tonight and Saturday.

Gale warning in effect.

Wind southerly 15 knots veering to west 15 near midnight then increasing to northwest 20 to 25 Saturday morning. Wind increasing to northeast 35 Saturday afternoon.

Rain with a risk of thunderstorms changing to showers this evening. Fog patches dissipating near midnight.

Waves

Issued 05:00 PM ADT 04 September 2026
Tonight and Saturday. Seas 2 to 3 metres building to 3 to 4 near noon Saturday and to 4 to 6 late Saturday afternoon.

Extended Forecast

Issued 03:30 PM ADT 04 September 2026
Sunday Wind north 30 knots.
Monday Wind northwest 25 to 30 knots.
Tuesday Wind northwest 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

Sable - western half

Issued 8:00 PM ADT 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 8:00 PM ADT 4 September 2026 Tonight and Saturday At 8:00 p.m. ADT tonight intensifying low 1002 mb located over
Eastern Shore.
By 3:00 a.m. ADT Saturday low 998 mb located over Eastern Shore.

At 8:00 p.m. ADT Saturday quasi-stationary low 996 mb located over
southern Banquereau.

Marine Weather Statement

Issued 3:14 PM ADT 4 September 2026 A low pressure system over southwestern shore continues to intensify
and move slowly eastward today. Overnight this low is expected to lie
over eastern shore. The low will then stall over Southern Banquereau
Saturday evening.

Winds will increase to strong to gale force easterlies or
northeasterlies over northern and eastern marine areas. Over western
waters, winds will increase to strong northerlies on Saturday in the
wake of the low.

Marine interests are advised that gale warnings are in effect for
eastern shore, Sable, East Scotian Slope - western half, Fourchu,
Banquereau, Cabot Strait, Northumberland Strait and Gulf-Magdalen.

Atlantic - Maritimes Area

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Marine Weather for Canada

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