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.		
		
3806(P)/26 MEXICO  Gulf of Campeche Anchorage areas.Wells.Platforms.Obstructions.Buoyage.Foul.Wreck.Radar beacon.		
Source: Mexican ENC MX384000		
		
	1.	The limits of the tanker anchorage area, north of Dos Bocas Terminal, have been amended as follows:
		
	2.	Zone A, for vessels under 5,000 GRT
		
		18 45' .0N.,93 13' .3W.

		18 45' .0N.,93 10' .0W.

		18 42' .5N.,93 10' .0W.

		18 42' .5N.,93 13' .3W.

		
	3.	Zone B, for vessels over 5,000 GRT
		
		18 47' .5N.,93 13' .3W.

		18 47' .5N.,93 10' .0W.

		18 45' .0N.,93 10' .0W.

		18 45' .0N.,93 13' .3W.

		
	4.	Zone C, for oil tankers carrying dangerous cargo
		
		18 47' .5N.,93 10' .0W.

		18 47' .5N.,93 08' .0W.

		18 42' .5N.,93 08' .0W.

		18 42' .5N.,93 10' .0W.
		

	5.	Numerous new wells, platforms and obstructions exist within areas bounded by the following positions:
		
		19 30' .5N.,92 25' .4W.

		19 39' .2N.,92 17' .9W.

		19 36' .2N.,92 04' .0W.

		19 29' .4N.,91 54' .8W.

		19 17' .4N.,91 56' .7W.

		19 07' .8N.,92 09' .8W.

		19 05' .1N.,92 25' .9W.
		
	6.	and
		
		19 04' .00N.,93 20' .01W.

		18 44' .79N.,92 38' .34W.

		18 39' .41N.,92 39' .08W.

		18 28' .75N.,92 50' .33W.

		18 27' .55N.,93 16' .16W.

		18 30' .70N.,93 20' .00W.

		
	7.	A well exists in position 19 43' .8N.,92 31' .6W.
		
	8.	Light-buoys in the following positions have been amended toLFl.10s:
		
		18 43' .65N.,91 54' .15W.

		19 38' .3N.,90 42' .9W.
		
	9.	A foul exists in position 19 06' .6N.,92 05' .2W.
		
	10.	 A dangerous wreck exists in position 18 37' .91N.,91 51' .12W.
		
	11.	 A radar transponder beacon, Racon (O), exists in position 18 43' .6N.,92 36' .0W.
		
	12.	 Mariners are advised to navigate with caution in the area and consult the local port authorities for the latest information.
		
	13.	 These and other changes will be included in a New Edition of Charts 2626 and 359 to be published late 2026.
		
	14.	 Chart 1307 will be updated by Notice to Mariners.
		
		(WGS84 DATUM)