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Northern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 03:00 AM NDT 23 April 2025

Today Tonight and Thursday.

Gale warning in effect.

Wind northwest 25 to 35 knots becoming northwest 25 early this morning then diminishing to northwest 15 to 20 this afternoon. Wind diminishing to variable 10 to 15 this evening then becoming east 15 Thursday morning. Wind backing to northeast 15 to 20 Thursday afternoon.

Periods of rain or snow and fog patches Thursday.

Waves

Issued 06:00 PM NDT 22 April 2025
Tonight and Wednesday. Seas 5 to 7 metres subsiding to 3 to 5 near noon Wednesday.

Extended Forecast

Issued 03:00 AM NDT 23 April 2025
Friday Wind north 15 to 20 knots backing to northwest 10 to 15 in the afternoon.
Saturday Wind northwest 10 to 15 knots becoming light.
Sunday Wind southeast 25 knots increasing to south 35.

Ice Forecast

Issued 10:00 AM EDT 22 April 2025 Today Tonight and Wednesday Bergy water.  

[ 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

Northern Grand Banks

Issued 10:00 AM EDT 22 April 2025 Today Tonight and Wednesday

Ice Edge

Ice edge estimated from Newfoundland near 4915N 5328W to 5130N 5033W
to 5343N 5022W to 5526N 5139W to 5701N 5617W to 6133N 5909W to 6200N
5851W then northeastward. Sea ice north then west of the ice edge.

Ice Coverage

Bergy water.

Ice Forecasts

Flemish

Issued 10:00 AM EDT 22 April 2025 Today Tonight and Wednesday

Ice Edge

Ice edge estimated from Newfoundland near 4915N 5328W to 5130N 5033W
to 5343N 5022W to 5526N 5139W to 5701N 5617W to 6133N 5909W to 6200N
5851W then northeastward. Sea ice north then west of the ice edge.

Ice Coverage

Forecasts available to mariners upon request.

 

Iceberg Bulletin

Northern Grand Banks

Issued 3:33 PM EDT 22 April 2025

Iceberg Limit

Iceberg limit at 0000 UTC 23 Apr estimated from Newfoundland near
4731N 5444W to 4110N 5200W to 4135N 4745W to 4725N 3605W to 5415N
4450W to 5915N 5605W to 6035N 5500W to 5920N 4925W then eastwards.

Western iceberg limit at 0000 UTC 23 Apr estimated from Quebec near
5020N 6115W to Newfoundland near 4805N 5845W.

Iceberg Count

26 to 50 icebergs.

Iceberg Bulletin

Flemish

Issued 3:33 PM EDT 22 April 2025

Iceberg Limit

Iceberg limit at 0000 UTC 23 Apr estimated from Newfoundland near
4731N 5444W to 4110N 5200W to 4135N 4745W to 4725N 3605W to 5415N
4450W to 5915N 5605W to 6035N 5500W to 5920N 4925W then eastwards.

Western iceberg limit at 0000 UTC 23 Apr estimated from Quebec near
5020N 6115W to Newfoundland near 4805N 5845W.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

Warnings (In effect)

Gale warning in effect

Northern Grand Banks

Issued 03:00 AM NDT 23 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 NDT 23 April 2025 Today Tonight and Thursday At 3:00 a.m. NDT today low 988 mb located east of the Marine
District.
By 10:00 a.m. NDT today departing low 990 mb located east of the
Marine District.

At 3:00 a.m. NDT today ridge located on a line north-south over
Newfoundland.
By 3:00 a.m. NDT Thursday ridge located on a line
northwest-southeast over the northern Grand Banks.

At 3:00 a.m. NDT today low 1014 mb located over Nova Scotia.
By 3:00 a.m. NDT Thursday low 1014 mb located over the Southwest
Coast of Newfoundland.

Marine Weather Statement

Issued 7:47 PM NDT 22 April 2025 A low pressure system east of the marine district will weaken and
slowly depart throughout the forecast period. Strong to gale force
north to northwesterly winds in the wake of the low will gradually
diminish as the low departs.

Marine interests are advised that gale warnings are in effect for
East Coast - north of Cape St. Francis, Belle Isle Bank, Funk Island
Bank, Northern Grand Banks, and Southeastern Grand Banks.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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