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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 10:00 AM NDT 18 June 2026

Today Tonight and Friday.

Wind light increasing to southeast 10 to 15 knots Friday morning and to south 25 Friday afternoon.

Showers Friday. Fog patches becoming fog banks this evening.

Waves

Issued 06:00 AM NDT 18 June 2026
Today Tonight and Friday. Seas 1 to 2 metres building to 2 to 3 Friday evening.

Extended Forecast

Issued 03:00 AM NDT 18 June 2026
Saturday Wind southwest 15 knots.
Sunday Wind southwest 25 knots diminishing to southwest 15.
Monday Wind variable 10 to 15 knots.

Ice Forecast

Issued 10:00 AM EDT 18 June 2026 Today Tonight and Friday Bergy water.  

[ Canadian Ice Service ]

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Weather Conditions

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Map of Atlantic - Newfoundland marine weather areas Englee Wreckhouse Winterland Branch Hill Stephenville 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

Southwestern Grand Banks

Issued 10:00 AM EDT 18 June 2026 Today Tonight and Friday

Ice Edge

Ice edge estimated from Labrador near 5819N 6237W to 5758N 6019W to
5936N 5828W to 6051N 6059W to 6200N 6044W 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 18 June 2026 Today Tonight and Friday

Ice Edge

Ice edge estimated from Labrador near 5819N 6237W to 5758N 6019W to
5936N 5828W to 6051N 6059W to 6200N 6044W then northeastward. Sea
ice west of the ice edge.

Ice Coverage

Forecasts available to mariners upon request.

 

Iceberg Bulletin

Southwestern Grand Banks

Issued 3:42 PM EDT 17 June 2026

Iceberg Limit

Iceberg limit at 0000 UTC 18 Jun estimated from Newfoundland near
4705N 5530W to 4235N 5105W to 4445N 4310W to 4945N 4335W to 5315N
4800W to 5900N 5500W to 5825N 5130W to 5615N 4850W 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 3:42 PM EDT 17 June 2026

Iceberg Limit

Iceberg limit at 0000 UTC 18 Jun estimated from Newfoundland near
4705N 5530W to 4235N 5105W to 4445N 4310W to 4945N 4335W to 5315N
4800W to 5900N 5500W to 5825N 5130W to 5615N 4850W then eastward.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM NDT 18 June 2026 Today Tonight and Friday At 10:00 a.m. NDT today trough located on a line northwest-southeast
over the northern Grand Banks.
By 10:00 a.m. NDT Friday departing trough located east of the
Grand Banks.

At 10:00 a.m. NDT today ridge located over the Gulf of St. Lawrence.
By 10:00 a.m. NDT Friday departing ridge located over the eastern
Marine District.

At 8:00 p.m. NDT tonight low 991 mb located over southwestern
Quebec.
By 8:00 p.m. NDT Friday approaching low 994 mb located over the
western Gulf of St. Lawrence.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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