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Southeastern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 03:00 AM NST 10 December 2025

Today Tonight and Thursday.

Gale warning in effect.

Wind west 25 knots backing to southwest 15 to 20 this afternoon then increasing to southwest 25 this evening. Wind increasing to southwest 35 Thursday morning.

Flurries ending this morning. Showers overnight and Thursday. Fog patches forming Thursday evening. Visibility as low as 1 mile in flurries and 1 mile or less in fog patches.

Waves

Issued 06:00 AM NST 10 December 2025
Today Tonight and Thursday. Seas 3 to 5 metres building to 5 to 7 Thursday evening.

Extended Forecast

Issued 03:00 AM NST 10 December 2025
Friday Wind southwest 25 to 35 knots diminishing to variable 10 to 15 in the morning then increasing to southwest 25 to 35 late in the day.
Saturday Wind southwest 35 knots.
Sunday Wind west 25 knots.

Ice Forecast

Issued 10:00 AM EST 9 December 2025 Today Tonight and Wednesday Ice free.  

[ Canadian Ice Service ]

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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
Legend:
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land station Land Station
Ice Conditions

Ice Forecasts

Southeastern Grand Banks

Issued 10:00 AM EST 9 December 2025 Today Tonight and Wednesday

Ice Edge

Ice edge estimated from Newfoundland near 4958N 5542W to 5015N 5605W
to 5141N 5511W to 5200N 5537W to 5321N 5529W to 5445N 5700W to 5609N
6024W to 5928N 6239W to Labrador near 6018N 6424W. Sea ice west of
the ice edge.

Ice Coverage

Ice free.

Ice Forecasts

Tail of the Grand Banks

Issued 10:00 AM EST 9 December 2025 Today Tonight and Wednesday

Ice Edge

Ice edge estimated from Newfoundland near 4958N 5542W to 5015N 5605W
to 5141N 5511W to 5200N 5537W to 5321N 5529W to 5445N 5700W to 5609N
6024W to 5928N 6239W to Labrador near 6018N 6424W. Sea ice west of
the ice edge.

Ice Coverage

Forecasts available to mariners upon request.

 

Iceberg Bulletin

Southeastern Grand Banks

Issued 1:30 PM EST 9 December 2025

Iceberg Limit

Iceberg limit at 0000 UTC 10 Dec estimated from Newfoundland near
4745N 5245W to 4800N 5100W to 5300N 5015W to 5945N 5730W then
northeastward.

Iceberg Count

No confirmed icebergs.

Iceberg Bulletin

Tail of the Grand Banks

Issued 1:30 PM EST 9 December 2025

Iceberg Limit

Iceberg limit at 0000 UTC 10 Dec estimated from Newfoundland near
4745N 5245W to 4800N 5100W to 5300N 5015W to 5945N 5730W then
northeastward.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

Warnings (In effect)

Gale warning in effect

Southeastern Grand Banks

Issued 03:00 AM NST 10 December 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 10 December 2025 Today Tonight and Thursday At 3:00 a.m. NST today low 956 mb located south of Greenland.
By 8:00 p.m. NST tonight departing low 956 mb located southeast
of Greenland.

At 3:00 a.m. NST today ridge located south of the Maritimes.
By 3:00 a.m. NST Thursday ridge located on a line
northwest-southeast over Funk Island Bank.

At 10:00 a.m. NST today deepening low 991 mb located near the
Great Lakes.
By 10:00 a.m. NST Thursday deepening low 985 mb located over
New Brunswick.

Marine Weather Statement

Issued 2:43 AM NST 10 December 2025 An intense low pressure system south of Greenland will continue to
slowly track northeastward away from the district today. Strong to
gale force west to northwesterlies will persist in the low's wake
until this evening.

A second low pressure system will approach the district from the west
tonight and track into the Gulf of St. Lawrence on Thursday. Strong
to gale force southwesterlies will develop over most waters ahead of
this system.

Marine interests are advised that gale warnings are in effect for
East Coast, Northeast Coast - Cape St. John and south, Belle Isle
Bank, Funk Island Bank, and the Grand Banks.

Marine interests are also advised that freezing spray warnings are in
effect for Strait of Belle Isle, Northeast Gulf, Gulf - Port au Port
- northwestern half, Northeast Coast - north of Cape St. John, and
Belle Isle Bank.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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