Marine Forecast
Issued 03:00 AM EDT 22 July 2026
Today Tonight and Thursday.
Strong wind warning in effect.
Wind southerly 15 knots increasing to southwest 15 to 25 this
morning then becoming west 15 near noon Thursday. Wind diminishing to light
Thursday evening.
Showers ending this morning. Showers this afternoon and
this evening with a risk of thunderstorms. Visibility as low as 1 mile in
showers.
Winds
Issued 03:00 AM EDT 22 July 2026
Today Tonight and Thursday.
Strong wind warning in effect.
Wind southerly 15 knots increasing to southwest 15 to 25 this
morning then becoming west 15 near noon Thursday. Wind diminishing to light
Thursday evening.
Weather & Visibility
Issued 03:00 AM EDT 22 July 2026
Today Tonight and Thursday.
Showers ending this morning. Showers this afternoon and
this evening with a risk of thunderstorms. Visibility as low as 1 mile in
showers.
There is no ice forecast issued for this area.
Warnings (In effect)
Trois-Rivières to Donnacona
Issued 03:00 AM EDT 22 July 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 AM EDT 22 July 2026 Today Tonight and Thursday At 3:00 a.m. EDT today low 991 mb located east of James Bay.
By 8:00 a.m. EDT Thursday low 994 mb located over northern Quebec.
At 3:00 a.m. EDT today cold front from low located over
Trois-Rivières.
By 8:00 a.m. EDT Thursday cold front from low located over
Anticosti Island.
At 8:00 a.m. EDT Thursday ridge located on a line north-south over
Lake Huron.
By 8:00 p.m. EDT Thursday ridge located on a line north-south
over Montréal.