Trois-Rivieres to Donnacona, Canada Marine Forecast, Warnings and Alerts

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Trois-Rivieres to Donnacona

Marine Forecast

Issued 03:00 PM EDT 30 July 2026

Tonight and Friday.

Wind light tonight and Friday.

Scattered showers ending this evening with a risk of thunderstorms. Scattered showers Friday afternoon and evening.

Winds

Issued 03:00 PM EDT 30 July 2026

Tonight and Friday. Wind light tonight and Friday.

Weather & Visibility

Issued 03:00 PM EDT 30 July 2026

Tonight and Friday. Scattered showers ending this evening with a risk of thunderstorms. Scattered showers Friday afternoon and evening.

There is no ice forecast issued for this area.

No watches or warnings in effect.

Technical Marine Synopsis

Issued 3:00 PM EDT 30 July 2026 Tonight and Friday At 3:00 p.m. EDT today low 1005 mb located off New England.
By 8:00 p.m. EDT Friday dissipating low 1010 mb located off
Nova Scotia.

At 3:00 p.m. EDT today ridge located from the Quebec Lower North
Shore to Sept-Îles.
By 8:00 p.m. EDT Friday ridge located from the Strait of Belle
Isle to New England.

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