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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 03:30 PM NDT 10 May 2025

Tonight and Sunday.

Gale warning in effect.

Wind southwest 25 knots except variable 10 to 15 over northern sections late this afternoon and this evening. Wind increasing to southwest 35 late overnight then diminishing to southwest 25 Sunday morning. Wind veering to west 20 Sunday evening.

Showers and fog ending near noon Sunday.

Waves

Issued 06:00 AM NDT 10 May 2025
Today Tonight and Sunday. Seas 2 to 3 metres building to 3 to 4 late overnight.

Extended Forecast

Issued 03:30 PM NDT 10 May 2025
Monday Wind southwest 25 knots increasing to west 25 to 35 in the morning.
Tuesday Wind west 20 knots veering to northwest 25.
Wednesday Wind northwest 25 knots.

Ice Forecast

Issued 10:00 AM EDT 10 May 2025 Today Tonight and Sunday 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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land station Land Station
Ice Conditions

Ice Forecasts

Southwestern Grand Banks

Issued 10:00 AM EDT 10 May 2025 Today Tonight and Sunday

Ice Edge

Ice edge estimated from Newfoundland near 4958N 5529W to 5046N 5357W to 5530N 5407W to 6007N 5816W to 6200N 5654W 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 10 May 2025 Today Tonight and Sunday

Ice Edge

Ice edge estimated from Newfoundland near 4958N 5529W to 5046N 5357W to 5530N 5407W to 6007N 5816W to 6200N 5654W 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 10 May 2025

Iceberg Limit

Iceberg limit at 0000 UTC 10 May estimated from Newfoundland near 4723N 5503W to 4230N 5105W to 4135N 4720W to 4900N 4045W to 5320N 4815W to 5915N 5605W to 5920N 5335W to 5820N 4745W 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 10 May 2025

Iceberg Limit

Iceberg limit at 0000 UTC 10 May estimated from Newfoundland near 4723N 5503W to 4230N 5105W to 4135N 4720W to 4900N 4045W to 5320N 4815W to 5915N 5605W to 5920N 5335W to 5820N 4745W then eastward.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

Warnings (In effect)

Gale warning in effect

Southwestern Grand Banks

Issued 3:30 PM NDT 10 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 3:30 PM NDT 10 May 2025 Tonight and Sunday At 3:30 p.m. NDT today deepening low 1002 mb located over the Gulf
of Maine.
By 3:30 p.m. NDT Sunday low 990 mb located over western Belle
Isle Bank.

At 3:30 p.m. NDT today trough from low located on a line east-west
over the South Coast of Newfoundland.
By 3:30 a.m. NDT Monday departing trough from low located east of
the Marine District.

Marine Weather Statement

Issued 3:26 PM NDT 10 May 2025 A deepening low pressure system over the Gulf of Maine will approach
the marine district tonight. The low pressure system will cross the
Gulf of St. Lawrence on Sunday morning before moving to lie over
Belle Isle Bank by Sunday afternoon. Moderate to strong
southeasterlies to northeasterlies ahead of the low will shift to
strong to gale force southwesterlies to northwesterlies in its wake.

Marine interests are advised that gale warnings are in effect for
Gulf waters, Southwest Coast, South Coast, East Coast - Cape St.
Francis and south, and Southwestern Grand Banks.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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