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Northern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 10:00 AM NDT 05 May 2025

Today Tonight and Tuesday.

Gale warning in effect.

Wind southwest 20 knots veering to northwest 25 this afternoon then increasing to northwest 35 early this evening. Wind diminishing to northwest 25 late overnight then backing to west 15 to 20 Tuesday morning. Wind backing to southwest 25 Tuesday afternoon.

Showers and fog banks ending this afternoon.

Waves

Issued 06:00 AM NDT 05 May 2025
Today Tonight and Tuesday. Seas 2 to 3 metres building to 3 to 5 near midnight then subsiding to 3 Tuesday morning.

Extended Forecast

Issued 03:00 AM NDT 05 May 2025
Wednesday Wind southwest 20 knots.
Thursday Wind southwest 20 knots.
Friday Wind southwest 20 knots diminishing to light.

Ice Forecast

Issued 10:00 AM EDT 5 May 2025 Today Tonight and Tuesday 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 5 May 2025 Today Tonight and Tuesday

Ice Edge

Ice edge estimated from Newfoundland near 4924N 5347W to 5244N 5318W
to 5745N 5747W to 6023N 5911W to 6200N 5830W then northeastward. Sea
ice north then west of the ice edge.

Ice Coverage

Bergy water.

Ice Forecasts

Flemish

Issued 10:00 AM EDT 5 May 2025 Today Tonight and Tuesday

Ice Edge

Ice edge estimated from Newfoundland near 4924N 5347W to 5244N 5318W
to 5745N 5747W to 6023N 5911W to 6200N 5830W 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 2:30 PM EDT 4 May 2025

Iceberg Limit

Iceberg limit at 0000 UTC 5 May estimated from Newfoundland near
4723N 5503W to 4040N 5210W to 4100N 4720W to 4530N 3335W to 4710N
3245W to 5915N 5605W to 5950N 5415W to 5830N 4530W then eastwards.

Western iceberg limit at 0000 UTC 5 May estimated from Quebec near
5020N 6115W to Newfoundland near 4745N 5910W.

Iceberg Count

26 to 50 icebergs.

Iceberg Bulletin

Flemish

Issued 2:30 PM EDT 4 May 2025

Iceberg Limit

Iceberg limit at 0000 UTC 5 May estimated from Newfoundland near
4723N 5503W to 4040N 5210W to 4100N 4720W to 4530N 3335W to 4710N
3245W to 5915N 5605W to 5950N 5415W to 5830N 4530W then eastwards.

Western iceberg limit at 0000 UTC 5 May estimated from Quebec near
5020N 6115W to Newfoundland near 4745N 5910W.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

Warnings (In effect)

Gale warning in effect

Northern Grand Banks

Issued 10:00 AM NDT 05 May 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 10:00 AM NDT 5 May 2025 Today Tonight and Tuesday At 10:00 a.m. NDT today intensifying low 1005 mb located over
Belle Isle Bank.
By 3:00 a.m. NDT Tuesday departing low 996 mb located east of
Belle Isle Bank.

At 3:30 p.m. NDT today trough located over Hudson Bay.
By 3:30 p.m. NDT Tuesday trough located over Labrador Sea.

At 10:00 a.m. NDT today high located over Quebec.
By 3:00 a.m. NDT Tuesday high located over Cape Breton Island.

Marine Weather Statement

Issued 9:47 AM NDT 5 May 2025 An intensifying low pressure system over Belle Isle Bank will track
eastward across Belle Isle Bank this morning before departing east of
the district later today and tonight. Strong to gale force
northwesterlies can be expected over most waters behind this feature.

On Tuesday, strong to gale force southwesterlies will develop over
western and northern waters between a trough of low pressure tracking
north of the district and a strong area of high pressure passing to
the south.

Marine interests are advised that gale warnings are in effect for
Strait of Belle Isle, Gulf - Port au Port, Belle Isle Bank, Funk
Island Bank, and Northern Grand Banks.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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