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Southeastern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 10:00 AM NDT 12 May 2026

Today Tonight and Wednesday.

Gale warning in effect.

Wind southeast 15 to 20 knots increasing to southeast 25 near noon and to southeast 35 this evening. Wind diminishing to west 25 Wednesday morning.

Showers changing to rain this evening and ending Wednesday morning. Fog dissipating Wednesday morning.

Waves

Issued 06:00 AM NDT 12 May 2026
Today Tonight and Wednesday. Seas 1 to 2 metres building to 2 to 3 this afternoon and to 3 to 5 this evening.

Extended Forecast

Issued 03:00 AM NDT 12 May 2026
Thursday Wind west 25 knots diminishing to variable 10 to 15 in the afternoon.
Friday Wind variable 15 knots increasing to southeast 25 to 35.
Saturday Wind southwest 25 to 35 knots.

Ice Forecast

Issued 10:00 AM EDT 12 May 2026 Today Tonight and Wednesday Bergy water.  

[ Canadian Ice Service ]

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Map of Atlantic - Newfoundland marine weather areas Englee Wreckhouse Winterland Branch Hill Stephenville Airport Eskasoni (First Nations) Grand Étang St. Lawrence St. John's Int'l Airport St. Anthony Airport Ingonish Beach Sagona Island Port aux Basques La Scie North Mountain Ferolle Point Twillingate Daniel's Harbour St.Paul Island Corner Brook Cape Race J.A. Douglas McCurdy Sydney Airport Burgeo West Chedabucto Bay – 44489 Bonavista Berry Hill Charlottetown Airport Argentia East Point North Cape Long Pond Banquereau - 44139 Îles de la Madeleine Airport Miscou Island Cartwright Airport Cap Whittle Blanc-Sablon Airport Natashquan Airport East Chedabucto Bay – 44488 Marticot Island Pool's Island Mary's Harbour Grates Cove Chevery
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Ice Conditions

Ice Forecasts

Southeastern Grand Banks

Issued 10:00 AM EDT 12 May 2026 Today Tonight and Wednesday

Ice Edge

First ice edge estimated from Quebec near 5134N 5643W to
Newfoundland near 5138N 5554W. Sea ice northeast of the ice edge.

Second ice edge estimated from Newfoundland near 5000N 5531W to
5130N 5300W to 5515N 5300W to 5636N 5618W to 6200N 6024W 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 12 May 2026 Today Tonight and Wednesday

Ice Edge

First ice edge estimated from Quebec near 5134N 5643W to
Newfoundland near 5138N 5554W. Sea ice northeast of the ice edge.

Second ice edge estimated from Newfoundland near 5000N 5531W to
5130N 5300W to 5515N 5300W to 5636N 5618W to 6200N 6024W then
northeastward. Sea ice west of the ice edge.

Ice Coverage

Forecasts available to mariners upon request.

 

Iceberg Bulletin

Southeastern Grand Banks

Issued 2:49 PM EDT 11 May 2026

Iceberg Limit

Iceberg limit at 0000 UTC 12 May estimated from Newfoundland near
4655N 5545W to 4125N 5045W to 4135N 4645W to 4735N 4420W to 5310N
4705W to 5550N 5010W to 5900N 5500W then eastward.

Iceberg Count

10 to 25 icebergs.

Iceberg Bulletin

Tail of the Grand Banks

Issued 2:49 PM EDT 11 May 2026

Iceberg Limit

Iceberg limit at 0000 UTC 12 May estimated from Newfoundland near
4655N 5545W to 4125N 5045W to 4135N 4645W to 4735N 4420W to 5310N
4705W to 5550N 5010W to 5900N 5500W then eastward.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

Warnings (In effect)

Gale warning in effect

Southeastern Grand Banks

Issued 10:00 AM NDT 12 May 2026

'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 10:00 AM NDT 12 May 2026 Today Tonight and Wednesday At 10:00 a.m. NDT today intensifying low 1006 mb located east of
Cape Breton Island.
By 10:00 a.m. NDT Wednesday intensifying low 993 mb located over
the Northeast Coast of Newfoundland.

At 10:00 a.m. NDT today ridge located on a line north-south over
eastern Quebec.
By 10:00 a.m. NDT Wednesday ridge located on a line north-south
over the Gulf of Maine.

Marine Weather Statement

Issued 9:45 AM NDT 12 May 2026 An intensifying low pressure system approaching from the south will
cross Newfoundland tonight and further deepen as it moves to lie
north of the island on Wednesday.

Strong to gale force southeasterlies will develop to the east of the
track of the low while strong to gale force northwesterlies will
develop to the west of its track. Winds will shift to strong to gale
force west to southwesterlies in the wake of the low.

Marine interests are advised that gale warnings are in effect for all
waters except Gulf waters.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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