Marine Forecast
Issued 03:00 PM EDT 12 August 2026
Tonight and Thursday.
Strong wind warning in effect.
Wind southwest 15 to 25 knots diminishing to southwest 10 to 15
this evening. Wind southwest 10 to 15 Thursday.
Scattered showers ending this evening with a risk of
thunderstorms. Scattered showers Thursday afternoon and evening with a risk of
thunderstorms.
Winds
Issued 03:00 PM EDT 12 August 2026
Tonight and Thursday.
Strong wind warning in effect.
Wind southwest 15 to 25 knots diminishing to southwest 10 to 15
this evening. Wind southwest 10 to 15 Thursday.
Waves
Issued 03:00 PM EDT 12 August 2026
Tonight and Thursday.
Seas 1 metre or less.
Weather & Visibility
Issued 03:00 PM EDT 12 August 2026
Tonight and Thursday.
Scattered showers ending this evening with a risk of
thunderstorms. Scattered showers Thursday afternoon and evening with a risk of
thunderstorms.
Ice Forecasts
Issued 10:00 AM EDT 19 May 2026 Forecasts have ended for the season.
Warnings (In effect)
Tadoussac to Pointe à Michel
Issued 3:00 PM EDT 12 August 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.
Technical Marine Synopsis
Issued 3:00 PM EDT 12 August 2026 Tonight and Thursday At 3:00 p.m. EDT today low 997 mb located over the Strait of
Belle Isle.
By 8:00 p.m. EDT tonight departing low 998 mb located over northern
Newfoundland.
At 8:00 p.m. EDT tonight trough located from the low to Saguenay
River.
By 8:00 p.m. EDT Thursday trough located from Labrador to New
Brunswick.
At 8:00 p.m. EDT Thursday approaching ridge located over
northwestern Ontario.