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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 08:00 PM NDT 11 March 2025

Tonight and Wednesday.

Wind northwest 15 to 20 knots diminishing to light near midnight then increasing to southeast 20 Wednesday morning.

Waves

Issued 06:00 PM NDT 11 March 2025
Tonight and Wednesday. Seas 2 to 3 metres subsiding to 2 late overnight.

Extended Forecast

Issued 03:30 PM NDT 11 March 2025
Thursday Wind southeast 15 to 20 knots backing to northeast 20 in the afternoon.
Friday Wind north 15 knots diminishing to light.
Saturday Wind variable 10 to 15 knots.

Ice Forecast

Issued 10:00 AM EDT 11 March 2025 Today Tonight and Wednesday Ice free.  

[ Canadian Ice Service ]

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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 11 March 2025 Today Tonight and Wednesday

Ice Edge

Ice edge estimated from Newfoundland near 4652N 5523W to 4610N 5231W
to 5400N 4929W to 5800N 5730W to 6116N 5852W to 6200N 5815W then
northeastward. Sea ice west of the ice edge.

Ice Coverage

Ice free.

Ice Forecasts

Tail of the Grand Banks

Issued 10:00 AM EDT 11 March 2025 Today Tonight and Wednesday

Ice Edge

Ice edge estimated from Newfoundland near 4652N 5523W to 4610N 5231W
to 5400N 4929W to 5800N 5730W to 6116N 5852W to 6200N 5815W then
northeastward. Sea ice west of the ice edge.

Ice Coverage

Forecasts available to mariners upon request.

 

Iceberg Bulletin

Southwestern Grand Banks

Issued 2:41 PM EDT 11 March 2025

Iceberg Limit

Iceberg limit at 0000 UTC 12 Mar estimated from Newfoundland near
4700N 5315W to 4825N 4710W to 5025N 4505W to 5335N 4745W to 5900N
5620W to 6020N 5530W then eastwards.

Western iceberg limit at 0000 UTC 12 Mar estimated from Quebec near
5030N 6015W to Newfoundland near 4850N 5755W.

Iceberg Count

No confirmed icebergs.

Iceberg Bulletin

Tail of the Grand Banks

Issued 2:41 PM EDT 11 March 2025

Iceberg Limit

Iceberg limit at 0000 UTC 12 Mar estimated from Newfoundland near
4700N 5315W to 4825N 4710W to 5025N 4505W to 5335N 4745W to 5900N
5620W to 6020N 5530W then eastwards.

Western iceberg limit at 0000 UTC 12 Mar estimated from Quebec near
5030N 6015W to Newfoundland near 4850N 5755W.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 8:00 PM NDT 11 March 2025 Tonight and Wednesday At 8:00 p.m. NDT tonight quasi-stationary trough located northeast
of the Marine District.

At 8:00 p.m. NDT tonight trough located over the Gaspe Peninsula.
By 8:00 p.m. NDT Wednesday low 993 mb located over southern
Labrador Coast.

At 8:00 p.m. NDT tonight ridge located on a line north-south over
the Gulf of St. Lawrence.
By 8:00 p.m. NDT Wednesday departing ridge located east of the
Grand Banks.

Marine Weather Statement

Issued 7:50 PM NDT 11 March 2025 A trough of low pressure northeast of the marine district will remain
nearly stationary tonight before weakening on Wednesday. Meanwhile, a
ridge of high pressure over the Gulf of St. Lawrence will continue to
track east across the marine district. Gale force northwesterlies
over Belle Isle Bank between these two features will diminish on
Wednesday as the trough weakens.

A second trough over the Gaspé Peninsula this evening will strengthen
into a low and cross Southeastern Labrador on Wednesday. Strong to
gale force southerlies to westerlies will develop over Gulf waters on
Wednesday to the south of the low.

Marine interests are advised that gale warnings are in effect for
Strait of Belle Isle - western half, Gulf waters, and Belle Isle
Bank.

Marine interests are also advised that freezing spray warnings are in
effect for Gulf waters, Northeast Coast, Belle Isle Bank, and Funk
Island Bank.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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