Marine Forecast
Issued 03:00 AM ADT 17 May 2026
Today Tonight and Monday.
Wind southwest 20 knots veering to west 15 this evening then to
north 10 to 15 Monday morning. Wind diminishing to light Monday
afternoon.
Fog patches dissipating this evening.
Winds
Issued 03:00 AM ADT 17 May 2026
Today Tonight and Monday.
Wind southwest 20 knots veering to west 15 this evening then to
north 10 to 15 Monday morning. Wind diminishing to light Monday
afternoon.
Waves
Issued 05:00 AM ADT 17 May 2026
Today Tonight and Monday.
Seas 1 to 2 metres building to 2 to 3 this morning then subsiding
to 1 to 2 near midnight.
Weather & Visibility
Issued 03:00 AM ADT 17 May 2026
Today Tonight and Monday.
Fog patches dissipating this evening.
Ice ForecastsIssued 10:00 AM EDT 16 May 2026 Today Tonight and Sunday Ice EdgeIce edge estimated from Quebec near 5108N 5835W to 5104N 5812W to 5116N 5738W to Quebec near 5125N 5736W. Sea ice north of the ice edge.
Iceberg BulletinIssued 3:24 PM EDT 16 May 2026 Iceberg LimitIceberg limit at 0000 UTC 17 May estimated from Newfoundland near 4700N 5520W to 4230N 5000W to 4230N 4800W to 4400N 4600W to 4845N 4335W to 5310N 4635W to 5550N 5010W to 5900N 5500W to 5955N 5310W to 5840N 4800W then northeastward.Iceberg CountNo confirmed icebergs.
No watches or warnings in effect.
Technical Marine SynopsisIssued 3:00 AM ADT 17 May 2026 Today Tonight and Monday At 3:00 a.m. ADT today trough located near the St. Lawrence River. By 3:30 p.m. ADT today trough located from New England to the Gulf of St. Lawrence.
At 8:00 p.m. ADT tonight trough located from the Gulf of Maine to Banquereau. By 10:00 a.m. ADT Monday departing trough located southeast of the Marine District.
At 10:00 a.m. ADT Monday ridge located over Maine. By 3:30 p.m. ADT Monday ridge located over the southwestern Marine District.
Marine Weather StatementIssued 2:47 AM ADT 17 May 2026 A trough of low pressure will move southeastward across the marine district today and tonight. A ridge of high pressure will move into the western marine district on Monday.
Over northern and eastern waters, strong southwesterlies ahead of the trough will increase to strong to gale force northwesterlies in its wake. Over western waters, winds will diminish to light near the ridge on Monday.
Marine interests are advised that gale warnings are in effect for Gulf-Magdalen - northeastern half and Anticosti.
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