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.		
		
4262(P)/25 UNITED STATES OF AMERICA —  West Coast — Channel limits.		
Source: ENC&#8217;s US5PDXFU, US5PDXFW, US5PDXFV, US5PDXGU		
		
	1.	Changes to channel limits within the Willamette River have taken place between 45° 36' .91N. , 122° 47' .34W. and 45° 31' .91N. , 122° 40' .46W.
		
	2.	Significant limit changes have taken place in the proximity of Swan Island Basin.
		
	3.	For full details, see NOAA Electronic Navigational Charts.
		
	4.	These changes will be included in a New Edition of Chart 2849 to be published late 2025.
		
		(NAD83 DATUM)