Marine Forecast
Issued 03:00 AM NDT 04 October 2026
Today Tonight and Monday.
Gale warning in effect.
Wind northwest 20 knots veering to northeast 10 to 15 this
morning except northeast 20 over southern sections. Wind becoming east 20
overnight then veering to southeast 25 Monday morning. Wind increasing to
southeast 35 Monday afternoon.
Rain Monday late in the day. Fog patches forming Monday
evening.
Winds
Issued 03:00 AM NDT 04 October 2026
Today Tonight and Monday.
Gale warning in effect.
Wind northwest 20 knots veering to northeast 10 to 15 this
morning except northeast 20 over southern sections. Wind becoming east 20
overnight then veering to southeast 25 Monday morning. Wind increasing to
southeast 35 Monday afternoon.
Waves
Issued 06:00 AM NDT 04 October 2026
Today Tonight and Monday.
Seas 1 to 2 metres building to 2 to 3 Monday morning and to 3 to
4 Monday afternoon.
Weather & Visibility
Issued 03:00 AM NDT 04 October 2026
Today Tonight and Monday.
Rain Monday late in the day. Fog patches forming Monday
evening.
Ice Forecasts
Southwestern Grand Banks
Issued 10:00 AM EDT 7 August 2026 Forecasts have ended for the season.Ice Forecasts
Tail of the Grand Banks
Issued 10:00 AM EDT 7 August 2026 Forecasts have ended for the season.
Iceberg Bulletin
Southwestern Grand Banks
Issued 2:30 PM EDT 3 October 2026 Iceberg Limit
Iceberg limit at 0000 UTC 4 Oct estimated from Newfoundland near
5032N 5618W to 5015N 5430W to 5045N 5330W to 5415N 5215W to 5515N
5215W to 6000N 5800W to 6110N 5535W to 5900N 5045W to 5925N 4725W
then eastward.Iceberg Count
No confirmed icebergs.Iceberg Bulletin
Tail of the Grand Banks
Issued 2:30 PM EDT 3 October 2026 Iceberg Limit
Iceberg limit at 0000 UTC 4 Oct estimated from Newfoundland near
5032N 5618W to 5015N 5430W to 5045N 5330W to 5415N 5215W to 5515N
5215W to 6000N 5800W to 6110N 5535W to 5900N 5045W to 5925N 4725W
then eastward.Iceberg Count
Forecasts available to mariners upon request.
Warnings (In effect)
Southwestern Grand Banks
Issued 03:00 AM NDT 04 October 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 4 October 2026 Today Tonight and Monday At 10:00 a.m. NDT Monday approaching low 997 mb located over Quebec.
At 3:00 a.m. NDT today departing trough located east of the Marine
District.
At 3:00 a.m. NDT today ridge located on a line east-west over
the Maritimes.
By 3:00 a.m. NDT Monday ridge located on a line east-west over
the northern Grand Banks.
Marine Weather Statement
Issued 2:58 AM NDT 4 October 2026 A low pressure system will approach from the west on Monday. Strong
to gale force southeasterlies will develop ahead of the low late in
the day on Monday.
Marine interests are advised that gale warnings are in effect for
Gulf - Port au Port, Southwest Coast, South Coast, East Coast, and
Southwestern Grand Banks.