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Cabot Strait

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 17 July 2025

Today Tonight and Friday.

Strong wind warning in effect.

Wind southerly 15 knots increasing to south 20 to 25 this afternoon except southeast 10 to 15 over northern sections. Wind becoming southwesterly 25 Friday morning then veering to northwest 20 to 25 Friday evening.

Rain overnight and Friday morning. Risk of thunderstorms late Friday morning. Fog patches forming early this evening and dissipating Friday morning.

Waves

Issued 05:00 AM ADT 17 July 2025

Cabot Strait - northern half

Today Tonight and Friday. Seas 1 metre building to 1 to 2 late overnight.

Cabot Strait - southern half

Today Tonight and Friday. Seas 1 metre building to 2 Friday morning.

Extended Forecast

Issued 03:00 AM ADT 17 July 2025
Saturday Wind northwest 20 knots diminishing to light in the morning then becoming southwesterly 10 to 15 late in the day.
Sunday Wind southwest 15 to 20 knots.
Monday Wind south 10 to 15 knots becoming north 10 to 15.

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Map of Atlantic - Newfoundland marine weather areas Eskasoni (First Nations) Heath Point Bonavista Wreckhouse St.Paul Island Winterland Branch Hill Twillingate Stephenville Airport Burgeo St. Lawrence St. John's Int'l Airport St. Anthony Airport Grates Cove Cape Race Grand Étang Sagona Island North Mountain Port aux Basques Ingonish Beach La Scie Ferolle Point Englee Daniel's Harbour Corner Brook Cartwright Airport East Point West Chedabucto Bay – 44489 Blanc-Sablon Airport East Chedabucto Bay – 44488 Cap Whittle Chevery Banquereau - 44139 Charlottetown Airport Mary's Harbour North Cape Natashquan Airport Argentia J.A. Douglas McCurdy Sydney Airport Berry Hill Long Pond Îles de la Madeleine Airport Miscou Island Marticot Island Pool's Island
Legend:
buoy Buoy
land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 26 May 2025 Forecasts have ended for the season.
 

Iceberg Bulletin

Issued 2:30 PM EDT 16 July 2025

Iceberg Limit

Iceberg limit at 0000 UTC 17 Jul estimated from Newfoundland near
4709N 5256W to 4655N 4455W to 4945N 4250W to 5430N 4920W to 5645N
5340W to 5745N 5405W to 6100N 5310W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Strong wind warning in effect

Cabot Strait

Issued 03:00 AM ADT 17 July 2025

'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 or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM ADT 17 July 2025 Today Tonight and Friday At 3:00 a.m. ADT today dissipating trough located over the Gulf
of St. Lawrence.

At 10:00 a.m. ADT today low 1003 mb located near the Great Lakes.
By 8:00 p.m. ADT Friday trough from 992 mb low located from
Newfoundland to East Scotian Slope.

Marine Weather Statement

Issued 2:38 AM ADT 17 July 2025 An intensifying low pressure system approaching from the west and
moving northeast through the Gulf of St. Lawrence will give strong to
gale force winds to much of the district.

A gale warning is in effect for Anticosti - southern half. Strong
wind warnings are in effect for Fundy, Grand Manan, Lurcher,
southwestern shore, eastern shore, Fourchu, Cabot Strait and all Gulf
of St. Lawrence waters.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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