Vertical clearance
46 ft
The table's information column reads “85 feet over the ICW channel”.
Gulf Intracoastal Waterway · Mile
363.0E
Type
Overhead cable
Datum
MHW
Clearances are published at Mean High Water. Tide, wind, waves and lake level change what is really there.
“Overhead power cable — Mile 363.0E — St. George Sound — Vertical 46 — 85 feet over the ICW channel”Two figures, one structure
The Coast Pilot 5 table gives this cable a vertical clearance of 46 feet in its vertical column and “85 feet over the ICW channel” in its information column.
Datum
Coast Pilot 5 gives the figures in this table at mean high water: “Clearances of structures are given at mean high water”, and the table footnote reads “Vertical clearance measured at Mean High Water”.
Sources & checks
Written by buoya editorial from the sources above. Every figure was checked against its source on 21 Oct 2026. Found something wrong? Report a correction.