Marine Forecast
Issued 08:00 PM NDT 21 March 2026
Tonight and Sunday.
Gale warning in effect.
Wind east 15 to 20 knots diminishing to variable 10 to 15 late
this evening then increasing to west 25 late overnight. Wind increasing to west
35 to 45 early Sunday morning then diminishing to west 25 to 35 Sunday
afternoon. Wind becoming northwest 25 Sunday evening.
Rain this evening. Fog patches dissipating early Sunday
morning.
Winds
Issued 08:00 PM NDT 21 March 2026
Tonight and Sunday.
Gale warning in effect.
Wind east 15 to 20 knots diminishing to variable 10 to 15 late
this evening then increasing to west 25 late overnight. Wind increasing to west
35 to 45 early Sunday morning then diminishing to west 25 to 35 Sunday
afternoon. Wind becoming northwest 25 Sunday evening.
Waves
Issued 06:00 PM NDT 21 March 2026
Tonight and Sunday.
Seas 1 to 2 metres building to 2 to 3 late overnight and to 3 to
5 Sunday morning except 5 to 7 over northern sections Sunday
afternoon.
Weather & Visibility
Issued 08:00 PM NDT 21 March 2026
Tonight and Sunday.
Rain this evening. Fog patches dissipating early Sunday
morning.
Ice Forecasts
Southwestern Grand Banks
Issued 10:00 AM EDT 21 March 2026 Today Tonight and Sunday Ice Edge
Ice edge estimated from Newfoundland near 4746N 5243W to 5131N 4848W
to 5511N 5207W to 5652N 5608W to 6000N 5815W to 6159N 5721W then
northeastward. Sea ice west of the ice edge.
Ice Forecasts
Tail of the Grand Banks
Issued 10:00 AM EDT 21 March 2026 Today Tonight and Sunday Ice Edge
Ice edge estimated from Newfoundland near 4746N 5243W to 5131N 4848W
to 5511N 5207W to 5652N 5608W to 6000N 5815W to 6159N 5721W then
northeastward. Sea ice west of the ice edge.
Ice Coverage
Forecasts available to mariners upon request.
Iceberg Bulletin
Southwestern Grand Banks
Issued 2:30 PM EDT 21 March 2026 Iceberg Limit
Iceberg limit at 0000 UTC 22 Mar estimated from Newfoundland near
4640N 5310W to 4620N 4700W to 4630N 4430W to 4830N 4300W to 5300N
4800W to 5900N 5600W to 6120N 5400W to 5815N 4855W then eastward.Iceberg Count
No confirmed icebergs.Iceberg Bulletin
Tail of the Grand Banks
Issued 2:30 PM EDT 21 March 2026 Iceberg Limit
Iceberg limit at 0000 UTC 22 Mar estimated from Newfoundland near
4640N 5310W to 4620N 4700W to 4630N 4430W to 4830N 4300W to 5300N
4800W to 5900N 5600W to 6120N 5400W to 5815N 4855W then eastward.Iceberg Count
Forecasts available to mariners upon request.
Warnings (In effect)
Southwestern Grand Banks
Issued 8:00 PM NDT 21 March 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 8:00 PM NDT 21 March 2026 Tonight and Sunday At 8:00 p.m. NDT tonight trough located southwest of the Marine
District.
By 8:00 p.m. NDT Sunday trough located east of Belle Isle Bank.
Marine Weather Statement
Issued 8:00 PM NDT 21 March 2026 A trough of low pressure over Cape Breton Island will track
northeastward across the district tonight to lie northeast of Belle
Isle Bank by Sunday evening. Gale force southwesterlies are expected
over the Southeastern Grand Banks tonight ahead of the trough. Strong
to gale force southwesterlies to northwesterlies are expected in its
wake.
Marine interests are advised that gale warnings are in effect for all
waters except Northeast Gulf.
Marine interests are also advised that freezing spray warnings are in
effect for Strait of Belle Isle, Gulf waters, and Northeast Coast.