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Anticosti - northeastern half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 30 April 2025

Today Tonight and Thursday.

Gale warning in effect.

Wind south 30 to 35 knots diminishing to variable 15 this afternoon then increasing to northwest 40 this evening. Wind diminishing to northwest 30 Thursday morning.

Periods of rain changing to periods of snow this evening and ending overnight. Visibility 1 mile or less in snow.

Waves

Issued 05:00 AM ADT 30 April 2025
Today Tonight and Thursday. Seas 2 to 3 metres subsiding to 1 to 2 this evening then building to 3 late overnight. Seas subsiding to 1 to 2 near noon Thursday.

Extended Forecast

Issued 03:00 AM ADT 30 April 2025
Friday Wind light becoming southeast 15 knots late in the day.
Saturday Wind south 25 knots.
Sunday Wind light increasing to northwest 20 knots late in the day.

Ice Forecast

Issued 10:00 AM EDT 29 April 2025 Today Tonight and Wednesday Bergy water except consolidated rotten first-year ice in a few bays. 

[ Canadian Ice Service ]

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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:
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land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 29 April 2025 Today Tonight and Wednesday

Ice Edge

Ice edge estimated from Quebec near 5013N 6207W to 4959N 6152W to
4959N 6028W to 5057N 5758W to Newfoundland near 5029N 5728W. Sea ice
north then east of the ice edge.

Ice Coverage

Bergy water except consolidated rotten first-year ice in a few bays.

 

Iceberg Bulletin

Issued 2:50 PM EDT 29 April 2025

Iceberg Limit

Iceberg limit at 0000 UTC 30 Apr estimated from Newfoundland near
4723N 5503W to 4040N 5210W to 4100N 4720W to 4530N 3335W to 4715N
3340W to 5915N 5605W to 6035N 5500W to 5920N 4925W then eastwards.

Western iceberg limit at 0000 UTC 30 Apr estimated from Quebec near
5020N 6115W to Newfoundland near 4805N 5845W.

Iceberg Count

No confirmed icebergs except less than 10 icebergs northeast of the
western iceberg limit.
Warnings

Warnings (In effect)

Gale warning in effect

Anticosti - northeastern half

Issued 05:16 AM ADT 30 April 2025

'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.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM ADT 30 April 2025 Today Tonight and Thursday At 3:00 a.m. ADT today low 991 mb located over eastern Quebec.
By 10:00 a.m. ADT Thursday low 995 mb located over northern
Newfoundland.

At 8:00 p.m. ADT Thursday approaching ridge located on a line
north-south over the western Marine District.

Marine Weather Statement

Issued 2:39 AM ADT 30 April 2025 A low pressure system over Eastern Quebec will track east today to
lie near Anticosti Island by this afternoon and over Northern
Newfoundland by Thursday afternoon. Strong to gale force
southwesterlies ahead of the low shift to strong to storm force
northwesterlies behind it. Winds will gradually diminish on Thursday
as high pressure builds in.

Marine interests are advised that storm warnings are in effect for
the northeastern half of Gulf-Magdalen and southwestern half of
Anticosti. Gale warnings are in effect for Banquereau, northeastern
half of Laurentian Fan, Cabot Strait, southwestern half of
Gulf-Magdalen, Chaleur-Miscou and northeastern half of Anticosti.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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