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Johnston Atoll, Un - Station ID: 1619000

Established:Apr 28, 1947
Time Meridian:150° W
Present Installation:Feb 20, 2002
Date Removed:2003-02-19
Water Level Max (ref MHHW):2.77 ft. Jan 13, 1958
Water Level Min (ref MLLW):0 ft. Mar 23, 1951
Mean Range:1.85 ft.
Diurnal Range:2.21 ft.
Latitude16° 44.3' N
Longitude169° 31.8' W
NOAA Chart#:83637
Met Site Elevation: ft. above
Today's Tides (LST/LDT)
graphical depiction of low tide
1:42 AM
1:06 AMlow -0.3 ft.
7:09 AMhigh 1.6 ft.
12:41 PMlow 0.1 ft.
7:06 PMhigh 2.3 ft.

How to reach: To reach the tidal bench marks, from the Johnston Island airport proceed east on the perimeter road around the end of the runway for approximately 0.8 km (0.5 mi), make a right turn into the small boat basin. The bench marks and tide gage were located in the vicinity of the basin. The tide house is located on the NW corner of the pier.

Products available at 1619000 Johnston Atoll, Un

Revised: 08/08/2018
NOAA / National Ocean Service
Web site owner: Center for Operational Oceanographic Products and Services