Marine Forecast
Issued 03:00 AM EDT 17 March 2026
Today Tonight and Wednesday.
Storm warning in effect.
Wind south 25 to 35 knots except south 50 near the coast. Wind
becoming southwest 40 to 50 early this morning then diminishing to southwest 30
to 40 this afternoon. Wind veering to west 25 to 35 early this evening except
west 50 near the mouth of the Saguenay River this evening. Wind becoming west 15
to 25 overnight except west 35 near the mouth of the Saguenay River overnight.
Wind becoming southwest 10 to 15 Wednesday afternoon then diminishing to light
Wednesday evening.
Showers changing to flurries near noon and ending near
midnight. Visibility 1 mile or less in flurries.
Freezing spray warning in effect.
Freezing spray tonight. Risk of freezing spray
Wednesday.
High today plus 11. Low tonight minus 14. High Wednesday
minus 9.
Strong wind warning program has ended for the season.
Winds
Issued 03:00 AM EDT 17 March 2026
Today Tonight and Wednesday.
Storm warning in effect.
Wind south 25 to 35 knots except south 50 near the coast. Wind
becoming southwest 40 to 50 early this morning then diminishing to southwest 30
to 40 this afternoon. Wind veering to west 25 to 35 early this evening except
west 50 near the mouth of the Saguenay River this evening. Wind becoming west 15
to 25 overnight except west 35 near the mouth of the Saguenay River overnight.
Wind becoming southwest 10 to 15 Wednesday afternoon then diminishing to light
Wednesday evening.
Strong wind warning program has ended for the season.
Waves
Issued 03:00 AM EDT 17 March 2026
Today Tonight and Wednesday.
Over open water seas 1 metre or less building to 1 to 2 early
this morning and to 3 to 4 late this morning. Seas subsiding to 2 to 3 early
this evening and to 1 to 2 Wednesday morning and to 1 or less Wednesday
afternoon.
Weather & Visibility
Issued 03:00 AM EDT 17 March 2026
Today Tonight and Wednesday.
Showers changing to flurries near noon and ending near
midnight. Visibility 1 mile or less in flurries.
Air temperature
Issued 03:00 AM EDT 17 March 2026
Today Tonight and Wednesday.
High today plus 11. Low tonight minus 14. High Wednesday
minus 9.
Freezing Spray
Issued 03:00 AM EDT 17 March 2026
Today Tonight and Wednesday.
Freezing spray warning in effect.
Freezing spray tonight. Risk of freezing spray
Wednesday.
Ice Forecasts
Issued 10:00 AM EDT 17 March 2026 Today Tonight and Wednesday Ice Edge
Ice edge estimated from Nova Scotia near 4437N 6325W to 4419N 6258W
to 4549N 5848W to Newfoundland near 4740N 5814W. Sea ice north of
the ice edge.
Ice Coverage
1 tenth grey-white ice including a trace of first-year ice.
Consolidated first-year ice along parts of the coasts.
Warnings (In effect)
Tadoussac to Pointe à Michel
Issued 09:17 AM EDT 17 March 2026'Storm' force winds of 48 to 63 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.
Tadoussac to Pointe à Michel
Issued 09:17 AM EDT 17 March 2026Moderate or severe freezing spray is 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 EDT 17 March 2026 Today Tonight and Wednesday At 3:00 a.m. EDT today intensifying low 978 mb located over western
Lake Saint-Jean.
By 8:00 a.m. EDT Wednesday departing low 946 mb located over
eastern Ungava Bay.
At 3:00 a.m. EDT today ridge located on a line north-south over
western Lake Superior.
By 8:00 p.m. EDT Wednesday ridge located on a line
northwest-southeast over Rimouski.
At 5:00 a.m. EDT Wednesday low located over western Manitoba.
By 8:00 p.m. EDT Wednesday low located over northern Lake Superior.