Marine Forecast
Issued 03:00 AM EDT 19 April 2026
Today Tonight and Monday.
Gale warning in effect.
Wind south 15 to 25 knots becoming south 15 this morning then
increasing to west 25 to 35 this afternoon. Wind diminishing to west 15 to 25
Monday evening.
Rain beginning this morning becoming snow or periods of
rain this evening and ending Monday morning. Visibility 1 mile or less in
precipitation.
Temperatures plus 4 falling to minus 2 Monday
evening.
Strong wind warning program has ended for the season.
Winds
Issued 03:00 AM EDT 19 April 2026
Today Tonight and Monday.
Gale warning in effect.
Wind south 15 to 25 knots becoming south 15 this morning then
increasing to west 25 to 35 this afternoon. Wind diminishing to west 15 to 25
Monday evening.
Strong wind warning program has ended for the season.
Waves
Issued 03:00 AM EDT 19 April 2026
Today Tonight and Monday.
Seas 1 metre building to 2 to 3 early this evening then subsiding
to 1 to 2 Monday evening.
Weather & Visibility
Issued 03:00 AM EDT 19 April 2026
Today Tonight and Monday.
Rain beginning this morning becoming snow or periods of
rain this evening and ending Monday morning. Visibility 1 mile or less in
precipitation.
Air temperature
Issued 03:00 AM EDT 19 April 2026
Today Tonight and Monday.
Temperatures plus 4 falling to minus 2 Monday
evening.
Ice Forecasts
Issued 10:00 AM EDT 18 April 2026 Today Tonight and Sunday Ice Edge
First ice edge estimated from Cape Breton Island near 4702N 6025W to
4745N 6115W to Gaspe Peninsula near 4846N 6410W. Sea ice southwest
of the ice edge.
Second ice edge estimated from Quebec near 4838N 6811W to 5005N
6600W to 4945N 6015W to Newfoundland near 4806N 5905W. Sea ice north
of the ice edge.
Warnings (In effect)
Pointe-des-Monts to Anticosti - southern half
Issued 03:00 AM EDT 19 April 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 3:00 AM EDT 19 April 2026 Today Tonight and Monday At 3:00 a.m. EDT today departing high 1030 mb located off
Newfoundland.
At 3:00 a.m. EDT today trough located on a line north-south over
Montréal.
By 6:00 a.m. EDT Monday departing trough located on a line
north-south over the Gulf of St. Lawrence.
At 3:00 a.m. EDT today high 1028 mb located over Manitoba.
By 8:00 p.m. EDT Monday high 1030 mb located over southern Ontario.