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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 03:00 AM NDT 19 July 2026

Today Tonight and Monday.

Wind light increasing to southeast 10 to 15 knots this morning and to southeast 15 to 20 this afternoon. Wind veering to south 25 this evening then to southwest 15 to 20 overnight. Wind diminishing to southwest 10 to 15 Monday afternoon.

Showers ending early this morning. Showers tonight and Monday with a risk of thunderstorms. Fog banks.

Waves

Issued 06:00 AM NDT 19 July 2026
Today Tonight and Monday. Seas 1 to 2 metres building to 2 to 3 near midnight then subsiding to 1 to 2 Monday afternoon.

Extended Forecast

Issued 03:00 AM NDT 19 July 2026
Tuesday Wind light.
Wednesday Wind variable 10 to 15 knots increasing to south 15 to 20.
Thursday Wind southwest 20 knots.

Ice Forecast

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

[ 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 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

Ice free.

Ice Forecasts

Tail of the 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

Forecasts available to mariners upon request.

 

Iceberg Bulletin

Southwestern Grand Banks

Issued 2:30 PM EDT 18 July 2026

Iceberg Limit

Iceberg limit at 0000 UTC 19 Jul estimated from Newfoundland near
4805N 5255W to 4645N 4700W to 4700N 4450W to 4830N 4430W to 5535N
5100W to 5745N 5400W to 5825N 4825W to 5720N 4510W then eastward.

Iceberg Count

No confirmed icebergs.

Iceberg Bulletin

Tail of the Grand Banks

Issued 2:30 PM EDT 18 July 2026

Iceberg Limit

Iceberg limit at 0000 UTC 19 Jul estimated from Newfoundland near
4805N 5255W to 4645N 4700W to 4700N 4450W to 4830N 4430W to 5535N
5100W to 5745N 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 3:00 AM NDT 19 July 2026 Today Tonight and Monday At 3:00 a.m. NDT today deepening low 993 mb located over southern
Quebec.
By 3:00 a.m. NDT Monday low 986 mb located near Anticosti Island.

Marine Weather Statement

Issued 2:49 AM NDT 19 July 2026 A low pressure system over Southern Quebec will deepen as it tracks
slowly eastwards to lie near Anticosti Island by this evening. Strong
to gale force south to southeasterlies are expected to develop over
the district ahead of the low today. On Monday winds will shift to
strong to gale force southwesterlies over western waters.

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

Atlantic - Newfoundland Area

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Marine Weather for Canada

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