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.								
								
4127(P)/25 CHINA —  East Coast — Bridges. Jetties. Piers. Depths.
							
Source: Chinese Chart 13359						
								
	1.	Depths less than charted exist in the waters surrounding Zhoushan Dao. The most significant are as follows:					
								
		Depth						Position

		0·4m						30° 14' .63N. , 122° 11' .60E.

		0·9m						30° 05' .03N. , 121° 55' .19E.

		18·4m						30° 09' .80N. , 122° 01' .14E.

		2·7m						30° 05' .30N. , 121° 53' .05E.

		21·5m						30° 17' .18N. , 121° 55' .59E.

		3·1m						30° 05' .35N. , 121° 40' .09E.

		30m						29° 55' .93N. , 122° 03' .27E.

		31m						29° 55' .99N. , 122° 01' .67E.

		6·5m						29° 57' .29N. , 122° 03' .92E.

		8·6m						30° 13' .33N. , 122° 00' .50E.

								
	2.	Bridge construction works have been completed, and new bridges have been established in the following positions:						
								
		Vertical Clearance				Position

		30m						30° 17' .32N. , 122° 03' .42E.

		47m						30° 10' .74N. , 121° 58' .84E.

		55m						30° 13' .49N. , 122° 00' .64E.

		Unknown						30° 11' .34N. , 122° 00' .21E.

		Unknown						30° 18' .23N. , 122° 01' .67E.
								
	3.	Jetty construction works have been completed, and jetties have been established, joining the following positions:						
								
		30° 03' .42N. , 121° 40' .02E.
				
		30° 03' .32N. , 121° 40' .09E.		
				
		30° 03' .05N. , 121° 39' .57E.						
								
		and						
								
		30° 18' .60N. , 121° 55' .15E.	
					
		30° 18' .33N. , 121° 55' .65E.		
				
		30° 18' .14N. , 121° 55' .98E.		
				
		30° 17' .80N. , 121° 56' .52E.						
								
	4.	Pier construction works have been completed, and piers have been established, joining the following positions:						
								
		Width						Position

		Single firm line				29° 53' .40N. , 122° 03' .96E.

								29° 53' .45N. , 122° 04' .02E.

								29° 53' .53N. , 122° 04' .40E.

		50m						29° 58' .61N. , 121° 50' .83E.

								29° 59' .08N. , 121° 50' .52E.
								
	5.	Mariners are advised to navigate with caution in the area and consult the local port authorities for the latest information.						
								
	6.	These changes will be included in a New Edition of Chart 1304 to be published late 2025.						
								
	7.	Charts 1126, 1130, 1199, 1303 and 1305 will be updated by Notice to Mariners.						
								
		(CGCS 2000 DATUM)