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Laurentian Fan

Warnings

Forecast

Marine Forecast

Issued 03:30 PM ADT 31 August 2026

Tonight and Tuesday.

Gale warning in effect.

Wind northwest 35 knots diminishing to northwest 20 this evening and to northwest 15 early Tuesday morning. Wind diminishing to light near noon Tuesday.

Showers ending this evening.

Waves

Issued 05:00 AM ADT 31 August 2026
Today Tonight and Tuesday. Seas 1 to 2 metres building to 2 to 3 early this morning and to 3 to 4 near noon. Seas subsiding to 2 to 3 this evening and to 1 late overnight.

Extended Forecast

Issued 03:30 PM ADT 31 August 2026
Wednesday Wind light becoming northeast 15 knots in the afternoon.
Thursday Wind east 20 knots.
Friday Wind light increasing to southeast 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 31 August 2026

Iceberg Limit

Iceberg limit at 0000 UTC 1 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

Warnings (In effect)

Gale warning in effect

Laurentian Fan

Issued 3:30 PM ADT 31 August 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 ADT 31 August 2026 Tonight and Tuesday At 3:30 p.m. ADT today trough located over the eastern Marine
District.
By 8:00 p.m. ADT tonight departing trough located east of the
Marine District.

At 3:30 p.m. ADT today ridge located over the Gulf of Maine.
By 3:30 p.m. ADT Tuesday weakening ridge located over the Maritimes.

Marine Weather Statement

Issued 9:47 AM ADT 31 August 2026 A trough of low pressure from Banquereau to East Scotian Slope will
move southeastward across the marine district today. Strong
southwesterlies ahead of the trough will veer to moderate to strong
northwesterlies in its wake. Over southeastern offshore waters, a
brief period of strong to gale force northwesterlies are forecast as
the trough passes.

Marine interests are advised that gale warnings are in effect for
Banquereau - southern half and Laurentian Fan.

Atlantic - Maritimes Area

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Marine Weather for Canada

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