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Northern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 10:00 AM NDT 18 July 2026

Today Tonight and Sunday.

Wind southwest 10 to 15 knots becoming light late overnight then becoming southeast 10 to 15 near noon Sunday.

Fog banks.

Waves

Issued 06:00 AM NDT 18 July 2026
Today Tonight and Sunday. Seas 1 to 2 metres.

Extended Forecast

Issued 03:00 AM NDT 18 July 2026
Monday Wind southeast 25 knots increasing to southeast 25 to 35 in the morning then diminishing to southwest 20 in the afternoon.
Tuesday Wind southwest 10 to 15 knots.
Wednesday Wind variable 10 to 15 knots increasing to south 20.

Ice Forecast

Issued 10:00 AM EDT 18 July 2026 Today Tonight and Sunday Bergy water.  

[ Canadian Ice Service ]

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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

Northern Grand Banks

Issued 10:00 AM EDT 18 July 2026 Today Tonight and Sunday

Ice Edge

Ice edge estimated from 6136N 6335W to 6201N 6252W then
northeastward. Sea ice northwest of the ice edge.

Ice Coverage

Bergy water.

Ice Forecasts

Flemish

Issued 10:00 AM EDT 18 July 2026 Today Tonight and Sunday

Ice Edge

Ice edge estimated from 6136N 6335W to 6201N 6252W then
northeastward. Sea ice northwest of the ice edge.

Ice Coverage

Forecasts available to mariners upon request.

 

Iceberg Bulletin

Northern Grand Banks

Issued 2:30 PM EDT 17 July 2026

Iceberg Limit

Iceberg limit at 0000 UTC 18 Jul estimated from Newfoundland near
4805N 5255W to 4645N 4700W to 4700N 4450W to 4830N 4430W to 5535N
5100W to 5815N 5515W to 5750N 5400W to 5825N 4825W to 5720N 4510W
then eastward.

Iceberg Count

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

Iceberg Bulletin

Flemish

Issued 2:30 PM EDT 17 July 2026

Iceberg Limit

Iceberg limit at 0000 UTC 18 Jul estimated from Newfoundland near
4805N 5255W to 4645N 4700W to 4700N 4450W to 4830N 4430W to 5535N
5100W to 5815N 5515W to 5750N 5400W to 5825N 4825W to 5720N 4510W
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 July 2026 Today Tonight and Sunday At 10:00 a.m. NDT today quasi-stationary low 996 mb located over
northern Labrador Coast.

At 8:00 p.m. NDT tonight deepening low 997 mb located over southern
Quebec.
By 8:00 p.m. NDT Sunday low 987 mb located over Anticosti Island.

Marine Weather Statement

Issued 9:31 AM NDT 18 July 2026 A low pressure system over Southern Ontario will deepen as it tracks
slowly eastwards to lie over the Gulf of St. Lawrence by Sunday
evening. Strong to gale force south to southeasterlies are expected
to develop over the district ahead of the low on Sunday.

Marine interests are advised that gale warnings are in effect for
Strait of Belle Isle, Gulf - Port au Port and Southwest Coast.

Atlantic - Newfoundland Area

Another Region

Marine Weather for Canada

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