Northern Grand Banks, Canada Marine Forecast, Warnings and Alerts

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Northern Grand Banks

Marine Forecast

Issued 03:00 AM NDT 14 September 2026

Today Tonight and Tuesday.

Gale warning in effect.

Wind southwest 20 knots backing to south 25 this afternoon then increasing to south 35 this evening. Wind veering to southwest 25 to 35 overnight then becoming southwest 25 Tuesday morning. Wind diminishing to variable 10 to 15 Tuesday afternoon.

Showers tonight and Tuesday. Fog patches forming this evening becoming fog banks Tuesday morning.

Winds

Issued 03:00 AM NDT 14 September 2026

Today Tonight and Tuesday. Gale warning in effect. Wind southwest 20 knots backing to south 25 this afternoon then increasing to south 35 this evening. Wind veering to southwest 25 to 35 overnight then becoming southwest 25 Tuesday morning. Wind diminishing to variable 10 to 15 Tuesday afternoon.

Waves

Issued 06:00 AM NDT 14 September 2026

Today Tonight and Tuesday. Seas 1 to 2 metres except 2 to 3 over eastern sections early this morning. Seas building to 2 to 3 early this evening and to 3 to 4 late overnight then subsiding to 2 to 3 Tuesday afternoon. Seas subsiding to 1 to 2 Tuesday evening.

Weather & Visibility

Issued 03:00 AM NDT 14 September 2026

Today Tonight and Tuesday. Showers tonight and Tuesday. Fog patches forming this evening becoming fog banks Tuesday morning.

Ice Forecasts

Northern Grand Banks

Issued 10:00 AM EDT 7 August 2026 Forecasts have ended for the season.

Ice Forecasts

Flemish

Issued 10:00 AM EDT 7 August 2026 Forecasts have ended for the season.

Iceberg Bulletin

Northern Grand Banks

Issued 2:30 PM EDT 13 September 2026

Iceberg Limit

Iceberg limit at 0000 UTC 14 Sep estimated from Newfoundland near
4930N 5510W to 5445N 5145W to 6000N 5730W to 6130N 5420W to 5850N
4610W then northeastward.

Iceberg Count

No confirmed icebergs.

Iceberg Bulletin

Flemish

Issued 2:30 PM EDT 13 September 2026

Iceberg Limit

Iceberg limit at 0000 UTC 14 Sep estimated from Newfoundland near
4930N 5510W to 5445N 5145W to 6000N 5730W to 6130N 5420W to 5850N
4610W then northeastward.

Iceberg Count

Forecasts available to mariners upon request.

Warnings (In effect)

Gale warning in effect

Northern Grand Banks

Issued 03:00 AM NDT 14 September 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.

Technical Marine Synopsis

Issued 3:00 AM NDT 14 September 2026 Today Tonight and Tuesday At 3:00 a.m. NDT today ridge located southeast of the Grand Banks.
By 10:00 a.m. NDT today departing ridge located southeast of the
Grand Banks.

At 3:00 a.m. NDT today trough located on a line northeast-southwest
over the Gaspe Peninsula.
By 3:00 a.m. NDT Tuesday trough located on a line
northeast-southwest over Newfoundland.

Marine Weather Statement

Issued 2:55 AM NDT 14 September 2026 A trough of low pressure over the Gaspé Peninsula will track eastward
across the marine district throughout the forecast period. Strong to
gale force south to southwesterlies ahead of the trough will shift to
strong northwesterlies in its wake.

Marine interests are advised that gale warnings are in effect for
Southwest Coast, South Coast, East Coast, Funk Island Bank, and
Northern Grand Banks.

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