Marine Forecast
Issued 03:00 AM ADT 17 May 2026
Today Tonight and Monday.
Strong wind warning in effect.
Wind southwest 20 knots diminishing to northwest 15 this evening
then becoming variable 10 to 15 Monday morning. Wind becoming south 15 Monday
evening.
Fog patches dissipating this afternoon.
Winds
Issued 03:00 AM ADT 17 May 2026
Today Tonight and Monday.
Strong wind warning in effect.
Wind southwest 20 knots diminishing to northwest 15 this evening
then becoming variable 10 to 15 Monday morning. Wind becoming south 15 Monday
evening.
Waves
Issued 05:00 AM ADT 17 May 2026
Today Tonight and Monday.
Seas 2 to 3 metres subsiding to 1 to 2 early this evening and to
1 or less Monday evening.
Weather & Visibility
Issued 03:00 AM ADT 17 May 2026
Today Tonight and Monday.
Fog patches dissipating this afternoon.
Ice Forecasts
Issued 10:00 AM EDT 16 May 2026 Today Tonight and Sunday Ice Edge
Ice 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.
Warnings (In effect)
Lurcher
Issued 03:00 AM ADT 17 May 2026'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. 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 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 Statement
Issued 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.