Positions quoted in the Preliminary Notice reproduced below are referred to PRELIMINARY NAD27 DATUM. 
TUTUILA ISLAND must be adjusted by 0.12 minutes NORTHWARD and 0.05 minutes WESTWARD to be compatible with this ENC. 
TUTUILA ISLAND PAGO PAGO HARBOUR must be adjusted by 0.12 minutes NORTHWARD and 0.07 minutes WESTWARD to be compatible with this ENC. 
MANUA ISLANDS must be adjusted by 0.15 minutes NORTHWARD and 0.06 minutes WESTWARD to be compatible with this ENC.
Some or all of the information contained in this Notice to Mariners may have been included on the ENCs affected.																
																
1030(P)/26 SOUTH PACIFIC OCEAN  Samoa Islands Depths.Marine Reserves.Submarine cables.																
Source: ENCs US4AS1LG, US4AS1LH, US4AS1LK, US4AS1LL																
																
	1.	Depths less than charted exist to the west of Tutuila Island. The most significant are in the following approximate positions:																														
		Depth						Position
								
		25m						14 19' .95S.,170 53' .90W.
								
		21m						14 21' .98S.,170 53' .63W.
								
		32m						14 19' .31S.,170 53' .44W.
								
		34m						14 21' .44S.,170 54' .26W.
								
		38m						14 17' .77S.,170 52' .45W.
								
		146m						14 19' .63S.,170 50' .80W.
								
		68m						14 19' .13S.,170 50' .13W.
								
		77m						14 18' .45S.,170 49' .47W.
								
		146m						14 17' .42S.,170 46' .66W.
								
		5m						14 17' .63S.,170 44' .28W.
								
		73m						14 17' .43S.,170 43' .30W.
								
		22m						14 17' .22S.,170 43' .32W.								
																
	2.	Depths less than charted exist to the northeast of Tutuila Island. The most significant are in the following approximate positions:																														
		Depth						Position
								
		34m						14 13' .00S.,170 32' .65W.
								
		59m						14 15' .29S.,170 35' .10W.
								
		68m						14 15' .28S.,170 35' .81W.
								
		21m						14 13' .83S.,170 38' .70W.
								
		77m						14 15' .02S.,170 37' .26W.
								
		38m						14 14' .93S.,170 36' .45W.
								
		109						14 15' .55S.,170 33' .48W.								
																
	3.	Depths less than charted exist around Ofu Island and Olosega Island. The most significant are in the following approximate positions:																														
		Depth						Position
								
		25m						14 09' .58S.,169 41' .09W.
								
		109m						14 10' .07S.,169 37' .32W.
								
		128m						14 09' .36S.,169 36' .67W.
								
		21m						14 11' .12S.,169 35' .94W.
								
		34m						14 11' .59S.,169 39' .37W.
								
		36m						14 11' .43S.,169 40' .77W.								
																
	4.	Marine reserves have been established bounded by the following positions:														
																
		14 22' .63S.,170 45' .33W.
														
		14 22' .23S.,170 44' .43W.														
																
	5.	and														
																
		14 17' .44S.,170 32' .64W.
														
		14 17' .44S.,170 31' .87W.
														
		14 18' .40S.,170 33' .85W.
														
		14 18' .52S.,170 34' .51W.
														
		14 17' .44S.,170 34' .51W.
														
		14 17' .44S.,170 33' .54W.														
																
	6.	and														
																
		14 17' .11S.,170 32' .89W.
														
		14 16' .48S.,170 32' .89W.
														
		14 16' .48S.,170 29' .65W.
														
		14 17' .44S.,170 29' .65W.
														
		14 17' .44S.,170 32' .64W.														
																
	7.	and														
																
		14 16' .68S.,169 29' .16W.
														
		14 16' .91S.,169 29' .16W.
														
		14 15' .94S.,169 25' .63W.
														
		14 16' .90S.,169 25' .63W.
														
		14 16' .90S.,169 28' .68W.
														
		14 17' .33S.,169 28' .68W.
														
		14 17' .33S.,169 29' .88W.
														
		14 16' .90S.,169 29' .88W.
														
		14 16' .90S.,169 31' .06W.
														
		14 15' .21S.,169 31' .06W.
														
		14 15' .21S.,169 30' .04W.														
																
	8.	Submarine cables have been laid joining the following approximate positions:														
																
		14 20' .67S.,170 43' .16W.
														
		14 20' .78S.,170 42' .92W.
														
		14 20' .99S.,170 42' .67W.
														
		14 21' .51S.,170 42' .34W.
														
		14 22' .92S.,170 40' .97W.
														
		14 23' .51S.,170 40' .74W.														
																
	9.	and														
																
		14 20' .66S.,170 43' .15W.
														
		14 20' .92S.,170 42' .54W.
														
		14 21' .32S.,170 42' .19W.
														
		14 21' .63S.,170 41' .34W.
														
		14 21' .59S.,170 39' .07W.
														
		14 21' .94S.,170 38' .22W.														
																
	10.	These changes and others will be included in a New Edition of Chart 1729 to be published early 2026.														
																
	11.	Chart WS 111 will be updated when full details are available.														
																
	12.	Mariners are advised to navigate with caution in the area.														
																
		(PRELIMINARY NAD27 DATUM)