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Southeastern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 08:00 PM NDT 20 May 2026

Tonight and Thursday.

Wind light increasing to southeast 10 to 15 knots near midnight then veering to south 15 to 20 late overnight. Wind increasing to south 25 Thursday morning then veering to west 25 Thursday afternoon.

Showers ending near noon Thursday. Fog patches forming near midnight and dissipating Thursday afternoon.

Waves

Issued 06:00 PM NDT 20 May 2026
Tonight and Thursday. Seas 1 to 2 metres building to 2 to 3 near noon Thursday.

Extended Forecast

Issued 03:30 PM NDT 20 May 2026
Friday Wind west 25 to 35 knots.
Saturday Wind northwest 25 knots.
Sunday Wind northwest 20 knots.

Ice Forecast

Issued 10:00 AM EDT 20 May 2026 Today Tonight and Thursday 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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land station Land Station
Ice Conditions

Ice Forecasts

Southeastern Grand Banks

Issued 10:00 AM EDT 20 May 2026 Today Tonight and Thursday

Ice Edge

First ice edge estimated from Labrador near 5151N 5606W to
Newfoundland near 5138N 5554W. Sea ice northeast of the ice edge.

Second ice edge estimated from Newfoundland near 5137N 5537W to
5503N 5433W to 5720N 5810W to 5852N 5756W to 6200N 6045W 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 20 May 2026 Today Tonight and Thursday

Ice Edge

First ice edge estimated from Labrador near 5151N 5606W to
Newfoundland near 5138N 5554W. Sea ice northeast of the ice edge.

Second ice edge estimated from Newfoundland near 5137N 5537W to
5503N 5433W to 5720N 5810W to 5852N 5756W to 6200N 6045W 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 20 May 2026

Iceberg Limit

Iceberg limit at 0000 UTC 21 May estimated from Newfoundland near
4700N 5520W to 4350N 5000W to 4350N 4600W to 4845N 4335W to 5310N
4635W to 5550N 5010W to 5900N 5500W to 5955N 5310W to 5825N 4810W
then northeastward.

Iceberg Count

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

Iceberg Bulletin

Tail of the Grand Banks

Issued 2:49 PM EDT 20 May 2026

Iceberg Limit

Iceberg limit at 0000 UTC 21 May estimated from Newfoundland near
4700N 5520W to 4350N 5000W to 4350N 4600W to 4845N 4335W to 5310N
4635W to 5550N 5010W to 5900N 5500W to 5955N 5310W to 5825N 4810W
then northeastward.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 8:00 PM NDT 20 May 2026 Tonight and Thursday At 8:00 p.m. NDT tonight departing ridge located from Belle Isle
Bank to the Grand Banks.

At 8:00 p.m. NDT tonight deepening low 990 mb located over Labrador.
By 8:00 p.m. NDT Thursday low 984 mb located east of Belle Isle
Bank.

Marine Weather Statement

Issued 7:55 PM NDT 20 May 2026 A deepening low pressure system over Labrador will cross Belle Isle
Bank on Thursday and then move east of the region Thursday night.
Strong to gale force southerlies will develop ahead of the low and
then shift to gale to storm force westerlies to northwesterlies in
its wake.

Marine interests are advised that a storm warning is in effect for
Belle Isle Bank. Gale warnings are in effect for Strait of Belle
Isle, Gulf waters, Northeast Coast, and Funk Island Bank.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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