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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 03:00 AM NST 12 November 2025

Today Tonight and Thursday.

Gale warning in effect.

Wind southwest 35 knots diminishing to southwest 25 this afternoon and to variable 10 to 15 near midnight. Wind increasing to southeast 25 Thursday morning then backing to east 30 Thursday afternoon except southwest 35 over southern sections. Wind becoming southwest 35 Thursday evening.

Rain with a risk of thunderstorms changing to showers this morning then to rain overnight.

Waves

Issued 06:00 PM NST 11 November 2025
Tonight and Wednesday. Seas 3 to 5 metres building to 5 to 7 near midnight.

Extended Forecast

Issued 03:00 AM NST 12 November 2025
Friday Wind southwest 25 to 35 knots diminishing to variable 10 to 15 in the morning then increasing to southwest 35 to 45 in the afternoon.
Saturday Wind southwest 25 knots diminishing to variable 10 to 15.
Sunday Wind variable 10 to 15 knots.

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

Ice Forecasts

Southwestern Grand Banks

Issued 10:00 AM EDT 23 July 2025 Forecasts have ended for the season.

Ice Forecasts

Tail of the Grand Banks

Issued 10:00 AM EDT 23 July 2025 Forecasts have ended for the season.
 

Iceberg Bulletin

Southwestern Grand Banks

Issued 1:30 PM EST 11 November 2025

Iceberg Limit

Iceberg limit at 0000 UTC 12 Nov estimated from Newfoundland near
5026N 5623W to 5000N 4915W to 5045N 4745W to 5315N 4900W to 5945N
5730W to 6055N 5315W to 5950N 4955W then eastward.

Iceberg Count

No confirmed icebergs.

Iceberg Bulletin

Tail of the Grand Banks

Issued 1:30 PM EST 11 November 2025

Iceberg Limit

Iceberg limit at 0000 UTC 12 Nov estimated from Newfoundland near
5026N 5623W to 5000N 4915W to 5045N 4745W to 5315N 4900W to 5945N
5730W to 6055N 5315W to 5950N 4955W then eastward.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

Warnings (In effect)

Gale warning in effect

Southwestern Grand Banks

Issued 03:00 AM NST 12 November 2025

'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 3:00 AM NST 12 November 2025 Today Tonight and Thursday At 3:00 a.m. NST today deepening low 967 mb located over the Quebec
Lower North Shore.
By 3:00 a.m. NST Thursday weakening low 970 mb located over northern
Labrador Coast.

At 3:00 a.m. NST Thursday approaching low 1003 mb located over
southwestern Nova Scotia.

Marine Weather Statement

Issued 2:50 AM NST 12 November 2025 An intense low pressure system over the Quebec Lower North Shore will
continue deepen today as it tracks into Labrador. Tonight and
Thursday the low is expected to begin to weaken as it continues
northward towards Baffin Island. Gale to storm force southeast to
southwesterlies are expected this morning with this low before
diminishing to strong to gale force south to southwesterlies this
afternoon as the low begins to pull away.

On Thursday another low pressure system is expected to approach from
the Maritimes and rapidly deepen as it track towards Southeastern
Newfoundland. Strong to gale force east to northeasterlies will
develop over southern waters on Thursday afternoon. Winds will shift
to strong to gale force southwesterlies behind the low Thursday
evening.

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

Atlantic - Newfoundland Area

Another Region

Marine Weather for Canada

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