128/2026

Dredging and discharge in Port Guillaume basin, Baie de Seine (Cabourg)

Activeuntil 31 Mar 2027, 23:59 UTC (in 148 days)Received 29 Oct 2026, 13:34 UTC

Warning text

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Lang

Area: BAIE DE SEINE Locality: Cabourg DREDGING_OPERATION From 01/11/2026 to 31/03/2027, dredging in the Port Guillaume basin. The discharge point is marked by two pink buoys at the position: 49-18.14N 000-06.26W In accordance with the Arrêté Préfectoral dated 22 septembre 2026, article 8, it is recalled that it is forbidden to swim, fish, or engage in water sports in contact with the water near the discharge point.

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Analysis

Activeuntil 31 Mar 2027, 23:59 UTC (in 148 days)

Dredging will take place in the Port Guillaume basin, Cabourg, from 01 Nov 2026 to 31 Mar 2027. The discharge point is marked by two pink buoys at 49-18.14N 000-06.26W. A prefectural order prohibits swimming, fishing and water-contact activities near the discharge point. Mariners should be aware of dredging operations and the marked discharge location.

Navigate with caution in the area and avoid the discharge point marked by two pink buoys. Keep clear of the marked buoys and maintain a proper lookout.

Type: Dredging / works · severity moderate
Feed: Offshore works, rigs and towingAll warnings of this kind on the map, or as an API feed.
Location: Baie de Seine, Cabourg (Port Guillaume basin)
Validity: From 01 Nov 2026, 00:00 UTC
Until 31 Mar 2027, 23:59 UTCDu 01/11/2026 au 31/03/2027, dragage dans le bassin Port Guillaume.
Activity periods: 01 Nov 2026, 00:00 UTC - 31 Mar 2027, 23:59 UTC (dredging in Port Guillaume basin 01/11/2026 to 31/03/2027)
Hazards: dredging, discharge point, restricted water activities near discharge

Ports mentioned

CabourgFRFR CAW49.283N 0.117W

Coast stations for this area

RCCMRCC JobourgFrance74 NM from the area
RCCMRCC FalmouthUnited KingdomMMSI 00232001492 NM from the area
RCCMRSC SolentUnited Kingdom98 NM from the area
DSCDSC Station VillervileMRCC JobourgFranceMMSI 002275200VHF 30range 30 NM10 NM from the area
DSCDSC Station Ver-sur-MerMRCC JobourgFranceMMSI 002275200VHF 27range 27 NM16 NM from the area
DSCDSC Station AntiferMRCC JobourgFranceMMSI 002275200VHF 33range 33 NM25 NM from the area
DSCDSC Station St Valery en CauxMRCC Gris NezFranceMMSI 002275100VHF 29range 29 NM47 NM from the area
DSCDSC Station GattevilleMRCC JobourgFranceMMSI 002275200VHF 26range 26 NM51 NM from the area

Aids to navigation affected

Newly establishedpink buoys marking discharge point · 49-18.14N 000-06.26W

No aids-to-navigation list in the database yet; aids are shown as the warning names them.

Worked out automatically from the warning text on 29 Oct 2026, 13:47 UTC. It can be wrong: the official warning text is the authority.

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