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NW-C-4429-26

Ice boom installation near Yamachiche between Montréal and Trois-Rivières

No longer in forceReceived 21 Oct 2026, 00:00 UTCArchived 25 Oct 2026, 16:47 UTC

Warning text

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NW-C-4429-26 Date 2026-10-21 15:07 UTC Status Published Title Ice Boom - Installation Areas Montréal to Trois-Rivières Vicinity Yamachiche Categories Ice Boom - Installation or Removal Description Yamachiche ice boom installation taking place from 1100 UTC to 2100 UTC. Minimum wake requested. Position Polyline Pt 1: 46° 15.118'N 072° 47.928'W Pt 2: 46° 13.907'N 072° 47.340'W Charts 1312(NAD83)

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Analysis

No longer in force

An ice boom installation is taking place near Yamachiche on the St. Lawrence River between Montréal and Trois-Rivières. Activity is scheduled from 1100 UTC to 2100 UTC on 21 Oct 2026. Mariners are requested to proceed with minimum wake in the area. Two installation positions are provided.

Proceed with minimum wake and navigate with caution in the area; keep a good lookout and reduce speed as necessary.

Type
Ice report · severity moderate
Feed
IceAll warnings of this kind on the map, or as an API feed.
Location
Montréal to Trois-Rivières, vicinity Yamachiche
Validity
From 21 Oct 2026, 11:00 UTC
Until 21 Oct 2026, 21:00 UTCYamachiche ice boom installation taking place from 1100 UTC to 2100 UTC.
Activity periods
  • 21 Oct 2026, 11:00 UTC - 21 Oct 2026, 21:00 UTC (ice boom installation)
Hazards
ice boom installation, restricted manoeuvring, minimum wake required
Charts
1312(NAD83)

Coast stations for this area

Worked out automatically from the warning text on 21 Oct 2026, 16:07 UTC. It can be wrong: the official warning text is the authority.

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