Marine Forecast
Issued 10:00 AM ADT 18 September 2026
Today Tonight and Saturday.
Wind southwest 15 to 20 knots veering to northwest 25 this
afternoon then to northerly 20 near midnight. Wind diminishing to north 10 to 15
Saturday afternoon.
Showers and fog patches ending this
afternoon.
Winds
Issued 10:00 AM ADT 18 September 2026
Today Tonight and Saturday.
Wind southwest 15 to 20 knots veering to northwest 25 this
afternoon then to northerly 20 near midnight. Wind diminishing to north 10 to 15
Saturday afternoon.
Waves
Issued 05:00 AM ADT 18 September 2026
Today Tonight and Saturday.
Seas 1 metre or less building to 1 to 2 this
afternoon.
Weather & Visibility
Issued 10:00 AM ADT 18 September 2026
Today Tonight and Saturday.
Showers and fog patches ending this
afternoon.
Ice ForecastsIssued 10:00 AM EDT 19 May 2026 Forecasts have ended for the season. Iceberg BulletinIssued 2:30 PM EDT 17 September 2026 Iceberg LimitIceberg limit at 0000 UTC 18 Sep estimated from Newfoundland near 4930N 5510W to 5130N 5330W to 5400N 5330W to 6000N 5800W to 6125N 5435W to 5850N 4610W then northeastward.Iceberg CountNo confirmed icebergs.
No watches or warnings in effect.
Technical Marine SynopsisIssued 10:00 AM ADT 18 September 2026 Today Tonight and Saturday At 10:00 a.m. ADT today trough located from the Gulf of St. Lawrence to the Gulf of Maine. By 8:00 p.m. ADT tonight trough located from Cabot Strait to East Scotian Slope.
By 3:00 a.m. ADT Saturday trough located from Newfoundland to Laurentian Fan.
Marine Weather StatementIssued 9:40 AM ADT 18 September 2026 A trough of low pressure over the western marine district will move southeastward across the district today and tonight. Moderate to strong southerly winds ahead of the trough will increase to strong to gale force northwesterlies in its wake.
Marine interests are advised that gale warnings are in effect for Banquereau, Cabot Strait, Gulf - Magdalen, Chaleur - Miscou, and Anticosti.
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