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.
								
		14·6m						14° 19' .63S. , 170° 50' .80W.
								
		6·8m						14° 19' .13S. , 170° 50' .13W.
								
		7·7m						14° 18' .45S. , 170° 49' .47W.
								
		14·6m						14° 17' .42S. , 170° 46' .66W.
								
		5m						14° 17' .63S. , 170° 44' .28W.
								
		7·3m						14° 17' .43S. , 170° 43' .30W.
								
		2·2m						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.
								
		5·9m						14° 15' .29S. , 170° 35' .10W.
								
		6·8m						14° 15' .28S. , 170° 35' .81W.
								
		21m						14° 13' .83S. , 170° 38' .70W.
								
		7·7m						14° 15' .02S. , 170° 37' .26W.
								
		38m						14° 14' .93S. , 170° 36' .45W.
								
		10·9						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.
								
		10·9m						14° 10' .07S. , 169° 37' .32W.
								
		12·8m						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)