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Cabot Strait - southern half


Marine Forecast

Issued 03:00 AM ADT 22 April 2021

Today Tonight and Friday.

Gale warning in effect.

Wind south 20 to 25 knots increasing to southeast 35 near noon then veering to southwest 25 to 35 this afternoon. Wind increasing to southwest 35 to 45 early this evening then diminishing to southwest 30 Friday afternoon.

Showers and fog patches ending this evening with a risk of thunderstorms.


Issued 05:00 AM ADT 22 April 2021
Today Tonight and Friday. Seas 1 to 2 metres building to 2 to 3 near noon and to 3 to 5 this evening. Seas subsiding to 2 to 3 Friday evening.

Extended Forecast

Issued 03:00 AM ADT 22 April 2021
Saturday Wind southwest 15 to 20 knots.
Sunday Wind westerly 10 to 15 knots becoming southeast 15.
Monday Wind southeast 25 to 35 knots increasing to southeast 45.

Ice Forecast

Issued 10:00 AM EDT 21 April 2021 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 Banquereau - 44139 East Chedabucto Bay - 44488 West Chedabucto Bay - 44489 Blanc-Sablon Airport Cap Whittle Chevery Natashquan Airport Heath Point Îles de la Madeleine Airport Miscou Island Eskasoni (First Nations) Grand Étang Ingonish Beach North Mountain St.Paul Island J.A. Douglas McCurdy Sydney Airport Charlottetown Airport East Point North Cape Argentia Bonavista Burgeo Cape Race Corner Brook Daniel's Harbour Englee Ferolle Point La Scie Port aux Basques Rocky Harbour Sagona Island St. Anthony Airport St. John's Int'l Airport St. Lawrence Stephenville Airport Twillingate Winterland Branch Hill Wreckhouse Grates Cove Pool's Island Marticot Island Long Pond Cartwright Airport Mary's Harbour
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land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 21 April 2021 Today Tonight and Thursday

Ice Edge

Ice edge is outside the forecast region.

Ice Coverage

Ice free.


Iceberg Bulletin

Issued 2:30 PM EDT 21 April 2021

Iceberg Limit

Iceberg limit at 0000 UTC 22 Apr estimated from Newfoundland near
4736N 5241W to 4805N 5135W to 5400N 5040W to 5500N 5100W to 6000N
5800W to 6050N 5315W to 5715N 4535W then eastwards.

Western iceberg limit at 0000 UTC 22 Apr estimated from Quebec near
5016N 6058W to Newfoundland near 4845N 5830W.

Iceberg Count

No confirmed icebergs.

Warnings (In effect)

Gale warning in effect

Cabot Strait - southern half

Issued 03:00 AM ADT 22 April 2021

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.


Technical Marine Synopsis

Issued 3:00 AM ADT 22 April 2021 Today Tonight and Friday At 3:00 a.m. ADT today intensifying low 994 mb located over western
New Brunswick.
By 3:30 p.m. ADT today intensifying low 981 mb located near
Chaleur Bay.

At 3:00 a.m. ADT today cold front from low located on a line
north-south over western Lurcher.
By 3:30 p.m. ADT today cold front from low located south of
Sable Island.

At 3:00 a.m. ADT today weakening low 974 mb located near the
Gaspe Peninsula.
By 8:00 p.m. ADT Friday weakening low 986 mb located near Anticosti

Marine Weather Statement

Issued 2:48 AM ADT 22 April 2021 An intensifying low pressure system over Western New Brunswick will
move to lie near the Bay of Chaleur this afternoon and north of the
Gaspé Peninsula tonight. On Friday the low will gradually weaken as
it drifts towards Anticosti. A cold front associated with this low
will track across the marine district today. Strong to gale force
southeasterlies ahead of the front will become strong to gale force
southwesterlies in its wake and will gradually diminish on Friday.

Marine interests are advised that gale warnings are in effect for all

Atlantic - Newfoundland Area

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