Southwestern Grand Banks, Canada Marine Forecast, Warnings and Alerts

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Southwestern Grand Banks

Marine Forecast

Issued 10:00 AM NST 04 February 2026

Today Tonight and Thursday.

Gale warning in effect.

Wind northwest 10 to 15 knots becoming light this afternoon then increasing to southeast 15 to 20 this evening. Wind increasing to southeast 25 late overnight and to west 35 Thursday morning except east 25 over northern sections. Wind becoming northwest 25 to 35 Thursday afternoon.

Rain or snow beginning this evening changing to flurries Thursday evening.

Winds

Issued 10:00 AM NST 04 February 2026

Today Tonight and Thursday. Gale warning in effect. Wind northwest 10 to 15 knots becoming light this afternoon then increasing to southeast 15 to 20 this evening. Wind increasing to southeast 25 late overnight and to west 35 Thursday morning except east 25 over northern sections. Wind becoming northwest 25 to 35 Thursday afternoon.

Waves

Issued 06:00 AM NST 04 February 2026

Today Tonight and Thursday. Seas 3 to 4 metres subsiding to 2 to 3 this afternoon then building to 3 to 5 Thursday morning.

Weather & Visibility

Issued 10:00 AM NST 04 February 2026

Today Tonight and Thursday. Rain or snow beginning this evening changing to flurries Thursday evening.

Ice Forecasts

Southwestern Grand Banks

Issued 10:00 AM EST 4 February 2026 Today Tonight and Thursday

Ice Edge

Ice edge estimated from Newfoundland near 4837N 5300W to 5225N 5339W
to 6200N 5928W then northeastward. Sea ice west of the ice edge.

Ice Coverage

Ice free.

Ice Forecasts

Tail of the Grand Banks

Issued 10:00 AM EST 4 February 2026 Today Tonight and Thursday

Ice Edge

Ice edge estimated from Newfoundland near 4837N 5300W to 5225N 5339W
to 6200N 5928W then northeastward. Sea ice west of the ice edge.

Ice Coverage

Forecasts available to mariners upon request.

Iceberg Bulletin

Southwestern Grand Banks

Issued 1:39 PM EST 3 February 2026

Iceberg Limit

Iceberg limit at 0000 UTC 4 Feb estimated from Newfoundland near
4830N 5310W to 4900N 5030W to 4930N 4915W to 5100N 4900W to 5930N
5700W to 6240N 5400W to 5930N 4750W then northeastward.

Iceberg Count

No confirmed icebergs.

Iceberg Bulletin

Tail of the Grand Banks

Issued 1:39 PM EST 3 February 2026

Iceberg Limit

Iceberg limit at 0000 UTC 4 Feb estimated from Newfoundland near
4830N 5310W to 4900N 5030W to 4930N 4915W to 5100N 4900W to 5930N
5700W to 6240N 5400W to 5930N 4750W then northeastward.

Iceberg Count

Forecasts available to mariners upon request.

Warnings (In effect)

Gale warning in effect

Southwestern Grand Banks

Issued 10:00 AM NST 04 February 2026

'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.

Technical Marine Synopsis

Issued 10:00 AM NST 4 February 2026 Today Tonight and Thursday At 8:00 p.m. NST tonight deepening low 1011 mb located south of
Nova Scotia.
By 3:30 p.m. NST Thursday low 997 mb located over the southern
Grand Banks.

At 10:00 a.m. NST today ridge located on a line north-south over
the Gulf of St. Lawrence.
By 10:00 a.m. NST Thursday ridge located on a line
northwest-southeast over the Northeast Coast of Newfoundland.

Marine Weather Statement

Issued 9:47 AM NST 4 February 2026 A deepening low pressure system will approach the marine district
from the west tonight to cross the Southern Grand Banks on Thursday.
Strong to gale force easterly winds will develop north of the low
Thursday morning while gale force westerlies develop to its south.
Winds will shift to strong to gale force northeasterlies to
northwesterlies in its wake.

Marine interests are advised that gale warnings are in effect for the
Southern Grand Banks.

Marine interests are also advised that freezing spray warnings are in
effect for Belle Isle Bank and Funk Island Bank.

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