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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 10:00 AM NDT 06 May 2025

Today Tonight and Wednesday.

Wind light becoming southwest 10 to 15 knots this afternoon then backing to south 15 Wednesday evening.

Showers and fog patches Wednesday evening.

Waves

Issued 06:00 AM NDT 06 May 2025
Today Tonight and Wednesday. Seas 1 to 2 metres.

Extended Forecast

Issued 03:30 PM NDT 06 May 2025
Thursday Wind south 15 to 20 knots.
Friday Wind south 20 knots.
Saturday Wind southeast 25 knots veering to southwest 25.

Ice Forecast

Issued 10:00 AM EDT 6 May 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
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Ice Conditions

Ice Forecasts

Southwestern Grand Banks

Issued 10:00 AM EDT 6 May 2025 Today Tonight and Wednesday

Ice Edge

Ice edge estimated from Newfoundland near 4924N 5347W to 5330N 5309W
to 5644N 5645W to 6023N 5911W to 6200N 5830W 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 6 May 2025 Today Tonight and Wednesday

Ice Edge

Ice edge estimated from Newfoundland near 4924N 5347W to 5330N 5309W
to 5644N 5645W 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

Southwestern Grand Banks

Issued 2:40 PM EDT 5 May 2025

Iceberg Limit

Iceberg limit at 0000 UTC 6 May estimated from Newfoundland near
4723N 5503W to 4110N 5115W to 4135N 4725W to 4520N 3255W to 4710N
3245W to 5915N 5605W to 5950N 5415W to 5830N 4530W then eastwards.

Western iceberg limit at 0000 UTC 6 May estimated from Quebec near
5015N 6122W to Newfoundland near 4739N 5915W.

Iceberg Count

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

Iceberg Bulletin

Tail of the Grand Banks

Issued 2:40 PM EDT 5 May 2025

Iceberg Limit

Iceberg limit at 0000 UTC 6 May estimated from Newfoundland near
4723N 5503W to 4110N 5115W to 4135N 4725W to 4520N 3255W to 4710N
3245W to 5915N 5605W to 5950N 5415W to 5830N 4530W then eastwards.

Western iceberg limit at 0000 UTC 6 May estimated from Quebec near
5015N 6122W to Newfoundland near 4739N 5915W.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:30 PM NDT 6 May 2025 Tonight and Wednesday At 3:30 p.m. NDT today dissipating trough located over Labrador Sea.

At 3:30 p.m. NDT today high located over the southern Grand Banks.
By 3:30 p.m. NDT Wednesday high located southeast of the Grand
Banks.

At 3:30 p.m. NDT today trough located on a line northeast-southwest
over Quebec.
By 3:30 p.m. NDT Wednesday trough located on a line
northeast-southwest over the Quebec Lower North Shore.

Marine Weather Statement

Issued 3:21 PM NDT 6 May 2025 Strong to gale force southwesterlies will continue over western and
northern waters between an approaching trough of low pressure
northwest of the district and a strong area of high pressure to the
south.

Marine interests are advised that a gale warning is in effect for
Strait of Belle Isle.

Atlantic - Newfoundland Area

Another Region

Marine Weather for Canada

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