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Cabot Strait

Forecast

Marine Forecast

Issued 03:00 AM ADT 23 June 2025

Today Tonight and Tuesday.

Strong wind warning in effect.

Wind southerly 20 to 25 knots diminishing to southwest 15 this morning and to light near noon. Wind increasing to southerly 15 to 20 overnight then becoming west 15 Tuesday evening.

Scattered showers ending this morning. Showers Tuesday. Fog patches.

Waves

Issued 05:00 AM ADT 23 June 2025
Today Tonight and Tuesday. Seas 1 to 2 metres subsiding to 1 or less this afternoon then building to 1 to 2 near noon Tuesday.

Extended Forecast

Issued 03:00 AM ADT 23 June 2025
Wednesday Wind northwest 30 knots diminishing to northwest 15 to 20 in the afternoon.
Thursday Wind northwest 15 to 20 knots diminishing to variable 10 to 15.
Friday Wind northerly 15 knots.

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Weather Conditions

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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 2:43 PM EDT 22 June 2025

Iceberg Limit

Iceberg limit at 0000 UTC 23 Jun estimated from Newfoundland near 4655N 5555W to 4530N 5430W to 4345N 4700W to 4705N 4140W to 4925N 4200W to 5600N 5120W to 5745N 5405W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Strong wind warning in effect

Cabot Strait

Issued 03:00 AM ADT 23 June 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 23 June 2025 Today Tonight and Tuesday At 3:00 a.m. ADT today trough located from the Gulf of St. Lawrence
to Cape Cod.
By 3:30 p.m. ADT today trough located from Newfoundland to East
Scotian Slope.

At 8:00 p.m. ADT tonight trough located over southern Quebec.
By 8:00 p.m. ADT Tuesday trough from 998 mb low located over
Labrador to Cape Cod.

Atlantic - Newfoundland Area

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