Positions quoted in this Preliminary Notice reproduced below are referred to WGS84 or a compatible datum and may be plotted directly on this ENC.		
Some or all of the information contained in this Notice to Mariners may have been included on the ENCs affected.		
		
397(P)/23 UNITED STATES OF AMERICA —  East Coast — Channel limits. Depth information. Dredged areas. Dredged depths. Legends. Wreck.		
Source: US Coast Guard District 7 LNM 49/11491/22, US Notice 1/11491/23, ENCs US5FL52M, US5FL51M and US Chart 11491		
		
	1.	There have been numerous changes to channel names, channel limits and channel reach separators and associated project depth legends. The most significant are as follows:
		
	2.	The Project Depths in the main channel, between positions 30° 23' .10N. , 81° 33' .10W. and 30° 24' .01N. , 81° 23' .44W. have changed from 40ft to 47ft.
		
	3.	The Project Depths in the main channel, between positions 30° 24' .01N. , 81° 23' .44W. and 30° 23' .60N. , 81° 19' .47W. have changed from 42ft to 49ft.
		
	4.	The Turning basin, centred on 30° 23' .15N. , 81° 32' .31W. has changed from dredged depth, 41ft (2022) to Project Depth 47ft.
		
	5.	The dredged area, centred on 30° 23' .30N. , 81° 32' .37W. has changed from dredged depth, 48ft (2022) to Project Depth 47ft.
		
	6.	The channel limit has been extended between 30° 23' .33N. , 81° 33' .18W. and 30° 23' .16N. , 81° 33' .24W.
		
	7.	A dredged area, with dredged depth, 28ft (2022), within, has been established, centred on the following position: 30° 23' .19N. , 81° 33' .32W.
		
	8.	A wreck with depth 42ft exists in approximate position 30° 23' .13N. , 81° 32' .36W.
		
	9.	Mariners are advised to navigate with caution in the area.
		
	10	 For detailed channel information and minimum depths as reported by USACE, use NOAA Electronic Navigational Charts.
		
	11	 USACE surveys and channel condition reports are available at http://navigation.usace.army.mil/Survey/Hydro
		
	12	 These changes will be included in the next New Edition of Chart 2808.
		
		(NAD83 DATUM)