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Cabot Strait - southern half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 28 July 2026

Today Tonight and Wednesday.

Strong wind warning in effect.

Wind northeast 20 knots diminishing to northerly 15 this afternoon then backing to northwest 10 to 15 near midnight. Wind diminishing to light near noon Wednesday.

Periods of rain or scattered thunderstorms and fog patches ending this afternoon.

Waves

Issued 05:00 PM ADT 27 July 2026
Tonight and Tuesday. Seas 1 metre or less.

Extended Forecast

Issued 03:00 AM ADT 28 July 2026
Thursday Wind light becoming southeast 15 knots in the afternoon.
Friday Wind easterly 10 to 15 knots diminishing to light.
Saturday Wind light.

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Map of Atlantic - Newfoundland marine weather areas Englee Wreckhouse Winterland Branch Hill Stephenville Eskasoni (First Nations) Grand Étang St. Lawrence St. John's Int'l Airport St. Anthony Airport Ingonish Beach Sagona Island Port aux Basques La Scie North Mountain Ferolle Point Twillingate Daniel's Harbour St.Paul Island Corner Brook Cape Race J.A. Douglas McCurdy Sydney Airport Burgeo West Chedabucto Bay – 44489 Bonavista Berry Hill Charlottetown Airport Argentia East Point North Cape Long Pond Banquereau - 44139 Îles de la Madeleine Airport Miscou Island Cartwright Airport Cap Whittle Blanc-Sablon Airport Natashquan Airport East Chedabucto Bay – 44488 Marticot Island Pool's Island Mary's Harbour Grates Cove Chevery
Legend:
buoy Buoy
land station Land Station
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 27 July 2026

Iceberg Limit

Iceberg limit at 0000 UTC 28 Jul estimated from Newfoundland near
4805N 5255W to 4830N 4910W to 4930N 4735W to 5745N 5400W to 5955N
5240W to 5800N 4600W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Strong wind warning in effect

Cabot Strait - southern half

Issued 03:00 AM ADT 28 July 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 28 July 2026 Today Tonight and Wednesday At 3:00 a.m. ADT today low 1002 mb located south of Sable Island.
By 8:00 p.m. ADT tonight departing low 1004 mb located over
Banquereau.

At 10:00 a.m. ADT today building ridge located over the southwestern
Marine District.
By 8:00 p.m. ADT tonight ridge located over the central Marine
District.

By 8:00 p.m. ADT Wednesday low 1001 mb located over Long Island.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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