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Cabot Strait

Forecast

Marine Forecast

Issued 10:00 AM ADT 13 May 2026

Today Tonight and Thursday.

Strong wind warning in effect.

Wind west 30 knots diminishing to southwest 15 this evening then backing to southeast 15 Thursday afternoon. Wind increasing to southeast 20 Thursday evening.

Rain ending this afternoon.

Waves

Issued 05:00 AM ADT 13 May 2026
Today Tonight and Thursday. Seas 2 to 3 metres subsiding to 1 to 2 early this evening.

Extended Forecast

Issued 03:00 AM ADT 13 May 2026
Friday Wind east 20 knots increasing to northeast 25 to 35 in the morning then diminishing to northeast 20 late in the day.
Saturday Wind north 20 knots increasing to northwest 25 to 30.
Sunday Wind southwest 25 knots veering to northwest 20 late in the day.

Ice Forecast

Issued 10:00 AM EDT 13 May 2026 Today Tonight and Thursday Ice free. 

[ Canadian Ice Service ]

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Weather Conditions

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Map of Atlantic - Newfoundland marine weather areas Englee Wreckhouse Winterland Branch Hill Stephenville Airport 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
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 13 May 2026 Today Tonight and Thursday

Ice Edge

Ice edge estimated from Quebec near 5012N 6046W to 4956N 6025W to
4956N 5959W to 5116N 5738W to Quebec near 5125N 5736W. Sea ice north
of the ice edge.

Ice Coverage

Ice free.

 

Iceberg Bulletin

Issued 3:29 PM EDT 12 May 2026

Iceberg Limit

Iceberg limit at 0000 UTC 13 May estimated from Newfoundland near
4655N 5545W to 4125N 5045W to 4135N 4645W to 4735N 4420W to 5310N
4635W to 5550N 5010W to 5900N 5500W to 6000N 5300W to 5840N 4940W to
5755N 4530W then northeastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Strong wind warning in effect

Cabot Strait

Issued 10:00 AM ADT 13 May 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 or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM ADT 13 May 2026 Today Tonight and Thursday At 10:00 a.m. ADT today departing low 990 mb located north of
Newfoundland.

At 3:00 a.m. ADT Thursday deepening low 1006 mb located southwest
of the Marine District.
By 8:00 p.m. ADT Thursday low 1000 mb located near Georges Bank.

At 10:00 a.m. ADT today ridge located over the western Marine
District.
By 3:00 a.m. ADT Thursday ridge located from Anticosti Island to
Laurentian Fan.

Marine Weather Statement

Issued 9:41 AM ADT 13 May 2026 A low pressure system North Newfoundland will continue tracking
northeastward today departing the region. Strong to gale force
westerly winds behind the system will diminish as it moves further
away from the region.

A second low pressure system will approach the marine district from
the southwest on Thursday. Increasing easterly winds throughout the
day will reach strong to gale force across southern waters north of
the low.

Marine interests are advised that gale warnings are in effect for
Georges Bank, LaHave Bank, West Scotian Slope, East Scotian Slope and
Banquereau - northeastern half.

Atlantic - Newfoundland Area

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