29-2024: Surveyed Depths – Harwich Deep Water Channel – Update 3

23 May 2024

Mariners are advised that hydrographic surveys have identified reduced depths in the Harwich Deep Water Channel. The minimum available depth of water on the centreline is approx. 15.6m below chart datum, with shallower sections towards the channel edges (as per survey data in PDF version below).

This local notice to mariners is cumulative and replaces notice 08-2024 which is now withdrawn.

Download the PDF version