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.		
		
1417(P)/26 CHINA — Bo Hai — Precautionary area. Traffic separation scheme. Separation zone.		
Source: UKHO		
		
	1.	Changes to an existing Traffic Separation Scheme in Bohai Wan are to be implemented on 1 January 2026. The changes are as follows:
		
		A. The limit of the westbound traffic lane has changed, the updated limit has been established joining the following positions:
		
		38° 42' .4N. , 118° 32' .9E.

		38° 40' .2N. , 118° 39' .0E.
		
		B. The limit of the eastbound traffic lane has changed, the updated limit has been established joining the following positions:
		
		38° 40' .1N. , 118° 31' .5E.

		38° 37' .9N. , 118° 37' .7E.
		
		C. The separation zone, 0·5M wide, has been amended, centred on a line joining the following positions:
		
		38° 41' .3N. , 118° 32' .2E.

		38° 39' .0N. , 118° 38' .3E.
		
		D. The No.2 precautionary area has been extended, bounded by the following positions:
		
		38° 44' .7N. , 118° 26' .5E.

		38° 42' .4N. , 118° 32' .9E.

		38° 40' .1N. , 118° 31' .5E.

		38° 42' .5N. , 118° 25' .2E.
		
	2.	Mariners are advised to navigate with caution in the area and consult the local port authorities for the latest information.
		
	3.	Chart 1250 will be updated when full details are available.
		
		(CGCS 2000 DATUM)