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

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Trois-Rivieres to Donnacona

Marine Forecast

Issued 03:00 AM EST 14 December 2025

Today Tonight and Monday.

Wind light increasing to westerly 15 knots late this afternoon then backing to southwest 15 to 20 near noon Monday. Wind diminishing to southwest 10 to 15 Monday evening.

Temperatures minus 5 falling to minus 11 this morning then rising to minus 6 this afternoon.

Winds

Issued 03:00 AM EST 14 December 2025

Today Tonight and Monday. Wind light increasing to westerly 15 knots late this afternoon then backing to southwest 15 to 20 near noon Monday. Wind diminishing to southwest 10 to 15 Monday evening.

Air temperature

Issued 03:00 AM EST 14 December 2025

Today Tonight and Monday. Temperatures minus 5 falling to minus 11 this morning then rising to minus 6 this afternoon.

There is no ice forecast issued for this area.

No watches or warnings in effect.

Technical Marine Synopsis

Issued 3:00 AM EST 14 December 2025 Today Tonight and Monday At 3:00 a.m. EST today low 1010 mb located west of Lake Saint-Jean.
By 10:00 a.m. EST today dissipating low 1013 mb located near
Rivière-du-Loup.

At 3:00 a.m. EST today ridge located on a line north-south over
northern Ontario.
By 7:00 p.m. EST Monday ridge located on a line northeast-southwest
over Lake Saint-Jean.

At 3:00 a.m. EST today intensifying low 1011 mb located north of
Cape Hatteras.
By 7:00 p.m. EST Monday low 955 mb located over eastern
Newfoundland.

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