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Southwestern Grand Banks

Forecast

Marine Forecast

Issued 03:30 PM NDT 31 March 2025

Tonight and Tuesday.

Gale warning in effect.

Wind southeast 15 to 20 knots increasing to southeast 25 early this evening then veering to southwest 25 near midnight. Wind increasing to southwest 35 Tuesday evening.

Snow or rain ending this evening. Periods of rain Tuesday evening. Fog banks forming this evening.

Waves

Issued 06:00 PM NDT 31 March 2025
Tonight and Tuesday. Seas 2 to 3 metres building to 3 to 4 Tuesday afternoon.

Extended Forecast

Issued 03:30 PM NDT 31 March 2025
Wednesday Wind southwest 35 knots veering to northwest 25 to 35 in the morning.
Thursday Wind northwest 25 knots diminishing to light.
Friday Wind southeast 25 knots backing to northeast 25.

Ice Forecast

Issued 10:00 AM EDT 31 March 2025 Today Tonight and Tuesday Bergy water.  

[ 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 Berry Hill Bonavista Burgeo Cape Race Corner Brook Daniel's Harbour Englee Ferolle Point La Scie Port aux Basques 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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Ice Conditions

Ice Forecasts

Southwestern Grand Banks

Issued 10:00 AM EDT 31 March 2025 Today Tonight and Tuesday

Ice Edge

Ice edge estimated from Newfoundland near 4809N 5253W to 5012N 4758W
to 5458N 5130W to 5734N 5655W to 6122N 5833W to 6149N 5719W then
northeastward. Sea ice north then west of the ice edge.

Ice Coverage

Bergy water.

Ice Forecasts

Tail of the Grand Banks

Issued 10:00 AM EDT 31 March 2025 Today Tonight and Tuesday

Ice Edge

Ice edge estimated from Newfoundland near 4809N 5253W to 5012N 4758W
to 5458N 5130W to 5734N 5655W to 6122N 5833W to 6149N 5719W then
northeastward. Sea ice north then west of the ice edge.

Ice Coverage

Forecasts available to mariners upon request.

 

Iceberg Bulletin

Southwestern Grand Banks

Issued 3:16 PM EDT 31 March 2025

Iceberg Limit

Iceberg limit at 0000 UTC 1 Apr estimated from Newfoundland near
4658N 5404W to 4410N 5045W to 4410N 4645W to 4655N 4040W to 5155N
4425W to 5510N 4705W to 5900N 5620W to 6110N 5505W to 5830N 4740W
then eastwards.

Western iceberg limit at 0000 UTC 1 Apr estimated from Quebec near
5016N 6208W to Newfoundland near 4753N 5923W.

Iceberg Count

No confirmed icebergs except less than 10 icebergs north of the
iceberg limit.

Iceberg Bulletin

Tail of the Grand Banks

Issued 3:16 PM EDT 31 March 2025

Iceberg Limit

Iceberg limit at 0000 UTC 1 Apr estimated from Newfoundland near
4658N 5404W to 4410N 5045W to 4410N 4645W to 4655N 4040W to 5155N
4425W to 5510N 4705W to 5900N 5620W to 6110N 5505W to 5830N 4740W
then eastwards.

Western iceberg limit at 0000 UTC 1 Apr estimated from Quebec near
5016N 6208W to Newfoundland near 4753N 5923W.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

Warnings (In effect)

Gale warning in effect

Southwestern Grand Banks

Issued 3:30 PM NDT 31 March 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 3:30 PM NDT 31 March 2025 Tonight and Tuesday At 3:30 p.m. NDT today ridge located from the Grand Banks to the
Torngat Mountains.
By 10:00 a.m. NDT Tuesday departing ridge located northeast of
Belle Isle Bank.

At 3:30 p.m. NDT today low 995 mb located over southern Ontario.
By 3:30 p.m. NDT Tuesday low 992 mb located over the Quebec Lower
North Shore.

Marine Weather Statement

Issued 3:18 PM NDT 31 March 2025 An intense low pressure system will approach the district tonight
before tracking just north of the Gulf of St. Lawrence. Strong east
to southeasterly winds will develop ahead of the low and increase to
strong to gale force southwesterly winds in its wake.

Marine interests are advised that gale warnings are in effect for
Southwest Coast, South Coast, and Southwestern Grand Banks.

Marine interests are also advised that freezing spray warnings are in
effect for Strait of Belle Isle and Belle Isle Bank - northeastern
half.

Atlantic - Newfoundland Area

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