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Cabot Strait

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 08 September 2026

Today Tonight and Wednesday.

Strong wind warning in effect.

Wind northwest 25 to 30 knots diminishing to northerly 15 early this morning then increasing to north 20 to 25 early this evening. Wind diminishing to light Wednesday morning then becoming southerly 15 Wednesday evening.

Scattered showers this afternoon tonight and Wednesday morning. Risk of thunderstorms late this afternoon and tonight.

Waves

Issued 05:00 AM ADT 08 September 2026
Today Tonight and Wednesday. Seas 1 to 2 metres subsiding to 1 or less Wednesday evening.

Extended Forecast

Issued 03:00 AM ADT 08 September 2026
Thursday Wind southwest 25 knots increasing to southwest 35 in the morning.
Friday Wind west 20 knots increasing to northwest 30.
Saturday Wind northwest 20 knots diminishing to light late in the day.

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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 7 September 2026

Iceberg Limit

Iceberg limit at 0000 UTC 8 Sep estimated from Newfoundland near
4930N 5510W to 5500N 5300W to 6000N 5730W to 6130N 5420W to 5900N
4610W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Strong wind warning in effect

Cabot Strait

Issued 03:00 AM ADT 08 September 2026

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. 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 3:00 AM ADT 8 September 2026 Today Tonight and Wednesday At 3:00 a.m. ADT today trough located from Newfoundland to New
Brunswick.
By 3:30 p.m. ADT Wednesday departing trough located over the
Grand Banks.

At 8:00 p.m. ADT tonight ridge located over New England.
By 9:00 p.m. ADT Wednesday ridge located from Newfoundland to West
Scotian Slope.

At 8:00 p.m. ADT Wednesday approaching trough located over Quebec.

Atlantic - Maritimes Area

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Marine Weather for Canada

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