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Cabot Strait

Forecast

Marine Forecast

Issued 03:00 AM ADT 11 October 2026

Today Tonight and Monday.

Strong wind warning in effect.

Wind northwest 20 to 25 knots backing to southwest 15 to 20 late this afternoon then veering to west 25 Monday morning. Wind increasing to northeast 25 to 30 Monday afternoon.

Showers Monday late in the day.

Waves

Issued 05:00 AM ADT 11 October 2026
Today Tonight and Monday. Seas 2 metres building to 2 to 3 Monday morning.

Extended Forecast

Issued 03:00 AM ADT 11 October 2026
Tuesday Wind northeast 25 knots diminishing to light in the afternoon.
Wednesday Wind southeast 15 knots increasing to southeast 35.
Thursday Wind southeast 35 knots increasing to northwest 40 late in the day.

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Weather Conditions

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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 10 October 2026

Iceberg Limit

Iceberg limit at 0000 UTC 11 Oct estimated from Newfoundland near
4925N 5400W to 5100N 5230W to 5345N 5100W to 5430N 5100W to 6000N
5800W to 6050N 5615W to 5945N 5340W to 6000N 5000W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Strong wind warning in effect

Cabot Strait

Issued 03:00 AM ADT 11 October 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 11 October 2026 Today Tonight and Monday At 3:00 a.m. ADT today ridge located over the Gulf of Maine.
By 3:00 a.m. ADT Monday ridge located over the southeastern Marine
District.

At 3:00 a.m. ADT Monday approaching trough located off Cape Cod.

Marine Weather Statement

Issued 2:47 AM ADT 11 October 2026 Marine interests are advised that gale warnings have been ended for
all marine districts.

Outlook for the start-up of the Upper Bay of Fundy lobster fishery.

Monday...Winds southwest 25 knots veering to west 15 knots mid-day
and then to northeast 25 in the evening. Choppy sea conditions in the
evening when winds will be running against the rising tide.
Tuesday...Winds northeast 25 knots diminishing to east 15 to 20 knots
near noon then increasing to southeast 20 knots late in the day.
Choppy sea conditions in the morning when winds will run against the
rising tide.
Wednesday...Winds southeast 25 knots becoming west 20 to 25 knots in
the afternoon. Choppy sea conditions late in the day when winds will
be running against the ebbing tide.
Thursday...Winds northwest 20 early in the day increasing to
northwest 25 in the afternoon.

Atlantic - Maritimes Area

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