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Laurentian Fan - western half

Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 04 September 2026

Today Tonight and Saturday.

Wind southeast 15 knots increasing to southeast 25 this afternoon then diminishing to southwest 15 early Saturday morning.

Scattered showers changing to rain this evening with a risk of thunderstorms then to scattered showers Saturday morning. Visibility 1 mile or less in rain.

Waves

Issued 05:00 AM ADT 04 September 2026
Today Tonight and Saturday. Seas 1 metre or less building to 1 to 2 near noon and to 2 to 3 late this afternoon. Seas building to 3 to 4 late this evening then subsiding to 2 to 3 Saturday afternoon.

Extended Forecast

Issued 03:00 AM ADT 04 September 2026
Sunday Wind variable 15 knots increasing to northwest 25 in the afternoon.
Monday Wind west 30 knots.
Tuesday Wind northwest 25 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 3 September 2026

Iceberg Limit

Iceberg limit at 0000 UTC 4 Sep estimated from Newfoundland near
4910N 5455W to 5400N 5345W to 6000N 5600W to 6130N 5420W to 5925N
4550W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM ADT 4 September 2026 Today Tonight and Saturday At 10:00 a.m. ADT today low 1007 mb located over western Nova
Scotia.
By 3:00 a.m. ADT Saturday intensifying 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 9:22 AM ADT 4 September 2026 A low pressure system over the Gulf of Maine will intensify and move
slowly eastward today and tonight to lie over eastern shore overnight
tonight. 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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