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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 03:00 AM NDT 20 May 2025

Today Tonight and Wednesday.

Wind light except northeast 20 knots over northern sections. Wind becoming northeast 20 this afternoon. Wind northeast 20 tonight and Wednesday.

Showers. Risk of thunderstorms this afternoon and this evening. Fog banks dissipating this evening.

Waves

Issued 06:00 PM NDT 19 May 2025
Tonight and Tuesday. Seas 2 metres.

Extended Forecast

Issued 03:00 AM NDT 20 May 2025
Thursday Wind northeast 25 knots diminishing to northeast 15 in the afternoon.
Friday Wind light increasing to southeast 25 knots.
Saturday Wind southeast 25 knots.

Ice Forecast

Issued 10:00 AM EDT 19 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
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Ice Conditions

Ice Forecasts

Southwestern Grand Banks

Issued 10:00 AM EDT 19 May 2025 Today Tonight and Tuesday

Ice Edge

First ice edge estimated from Labrador near 5126N 5731W to 5107N 5720W to Newfoundland near 5051N 5701W. Sea ice east of the ice edge.

Second ice edge estimated from Newfoundland near 5123N 5530W to 5138N 5439W to 5536N 5457W to 5708N 5743W to 6200N 5921W then northeastward. Sea ice west of the ice edge.

Ice Coverage

Bergy water.

Ice Forecasts

Tail of the Grand Banks

Issued 10:00 AM EDT 19 May 2025 Today Tonight and Tuesday

Ice Edge

First ice edge estimated from Labrador near 5126N 5731W to 5107N 5720W to Newfoundland near 5051N 5701W. Sea ice east of the ice edge.

Second ice edge estimated from Newfoundland near 5123N 5530W to 5138N 5439W to 5536N 5457W to 5708N 5743W to 6200N 5921W then northeastward. Sea ice west of the ice edge.

Ice Coverage

Forecasts available to mariners upon request.

 

Iceberg Bulletin

Southwestern Grand Banks

Issued 2:30 PM EDT 19 May 2025

Iceberg Limit

Iceberg limit at 0000 UTC 20 May estimated from Newfoundland near 4723N 5503W to 4130N 5215W to 4130N 4600W to 4825N 4035W to 5320N 4815W to 5915N 5605W to 5800N 5040W then eastward.

Iceberg Count

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

Iceberg Bulletin

Tail of the Grand Banks

Issued 2:30 PM EDT 19 May 2025

Iceberg Limit

Iceberg limit at 0000 UTC 20 May estimated from Newfoundland near 4723N 5503W to 4130N 5215W to 4130N 4600W to 4825N 4035W to 5320N 4815W to 5915N 5605W to 5800N 5040W then eastward.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM NDT 20 May 2025 Today Tonight and Wednesday At 3:00 a.m. NDT today trough located on a line east-west over
the southern Grand Banks.
By 3:00 a.m. NDT Wednesday trough located southeast of the Grand
Banks.

At 3:00 a.m. NDT Wednesday building ridge located over western
Labrador.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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