U.S. DEPARTMENT OF COMMERCE
                National Oceanic and Atmospheric Administration
                            National Ocean Service
Datums Page                                                        Page  1 of  7

                                                                                
Station ID: 1820000                                PUBLICATION DATE:  10/07/2011
Name:       KWAJALEIN, MARSHALL ISLANDS                       
NOAA Chart: HO6003                                 Latitude:          8° 43.9' N
USGS Quad:  NONE                                   Longitude:       167° 44.2' E


To reach the tidal bench marks, from the airport proceed north on Ocean Road for
approximately 0.6 km (0.4 mi), turn west onto 6th Street and head toward Echo
Pier.  The tidal bench marks are located on the east and in the vicinity of Echo
Pier.  Tide house is located on the SW inside corner of the Echo Pier.


                         T I D A L   B E N C H   M A R K S


                 PRIMARY BENCH MARK STAMPING:  NO 8 1951
                         DESIGNATION:          182 0000 TIDAL 8

MONUMENTATION:           Tidal Station disk                        VM#:      122
AGENCY:                  US Coast and Geodetic Survey (USC&GS)     PID#:  DK7537
SETTING CLASSIFICATION:  Concrete bulkhead


The primary bench mark is a disk set flush in the former concrete bulkhead
forming the north side of the main pier, 79.86 m (262.0 ft) west of the
centerline of Palm Road, 25.69 m (84.3 ft) east of bench mark 5 1948, 8.96 m
(29.4 ft) west of eastern security gate, 4.42 m (14.5 ft) north of the
centerline of Sixth Street, 0.52 m (1.7 ft) south of a chainlink fence, and
level with the road.



                         BENCH MARK STAMPING:  5 1948
                         DESIGNATION:          182 0000 TIDAL 5

MONUMENTATION:           Tidal Station disk                        VM#:      120
AGENCY:                  US Coast and Geodetic Survey (USC&GS)     PID:         
SETTING CLASSIFICATION:  Concrete sea wall


The bench mark is a disk set flush in the north side of the former seawall of
the main pier, directly across from the Harbor Operations Office Tower, 25.60 m
(84.0 ft) east of the new NE corner of the pier, 10.97 m (36.0 ft) north of
center of light pole D2, 4.42 m (14.5 ft) north of the centerline of Sixth
Street, and 0.43 m (1.4 ft) south of a fence.

                          U.S. DEPARTMENT OF COMMERCE
                National Oceanic and Atmospheric Administration
                            National Ocean Service
                                                                   Page  2 of  7

                                                                                
Station ID: 1820000                                PUBLICATION DATE:  10/07/2011
Name:       KWAJALEIN, MARSHALL ISLANDS                       
NOAA Chart: HO6003                                 Latitude:          8° 43.9' N
USGS Quad:  NONE                                   Longitude:       167° 44.2' E


                         T I D A L   B E N C H   M A R K S


                         BENCH MARK STAMPING:  NO 6 1950
                         DESIGNATION:          182 0000 TIDAL 6

MONUMENTATION:           Tidal Station disk                        VM#:      121
AGENCY:                  US Coast and Geodetic Survey (USC&GS)     PID:         
SETTING CLASSIFICATION:  Concrete manhole foundation


The bench mark is a disk set in the SE corner at top of a 1 m x 1 m  (3 ft x 3
ft) concrete manhole structure, at the SE corner of the intersection of Lagoon
Road and Sixth Street, 12.50 m (41.0 ft) east of the centerline of Lagoon Road,
7.62 m (25.0 ft) south of the centerline of 6th Street, and 0.15 m (0.5 ft)
above ground level.



                         BENCH MARK STAMPING:  NO 9 1951
                         DESIGNATION:          182 0000 TIDAL 9

MONUMENTATION:           Tidal Station disk                        VM#:      123
AGENCY:                  US Coast and Geodetic Survey (USC&GS)     PID:         
SETTING CLASSIFICATION:  Concrete foundation


The bench mark is a disk set in the SE corner at top of the concrete foundation
for the NW leg of the northerly of two large water tanks with aero beacons on
top, 84 m (275 ft) south of the centerline of Seventh Street, 64 m (210 ft) east
of the centerline of Lagoon Road, and 0.23 m (0.75 ft) SE of the SE side of NW
leg.

                          U.S. DEPARTMENT OF COMMERCE
                National Oceanic and Atmospheric Administration
                            National Ocean Service
                                                                   Page  3 of  7

                                                                                
Station ID: 1820000                                PUBLICATION DATE:  10/07/2011
Name:       KWAJALEIN, MARSHALL ISLANDS                       
NOAA Chart: HO6003                                 Latitude:          8° 43.9' N
USGS Quad:  NONE                                   Longitude:       167° 44.2' E


                         T I D A L   B E N C H   M A R K S


                         BENCH MARK STAMPING:  11 1958
                         DESIGNATION:          182 0000 TIDAL 11

MONUMENTATION:           Tidal Station disk                        VM#:      124
AGENCY:                  US Coast and Geodetic Survey (USC&GS)     PID:         
SETTING CLASSIFICATION:  Concrete foundation


The bench mark is a disk set in the NE corner at top of a 3 m (9 ft) diameter
octagonal manhole structure at the NE corner of the intersection of Lagoon Road
and Fourth Street, 6.10 m (20.0 ft) east of the centerline of Lagoon Road, 7.62
m (25.0 ft) north of the centerline of Fourth Street, 1.22 m (4.0 ft) NNE of the
center of a manhole and adjacent to the light pole # B60, and flush with the
ground. 



                         BENCH MARK STAMPING:  NO 12 1959
                         DESIGNATION:          182 0000 TIDAL 12

MONUMENTATION:           Tidal Station disk                        VM#:      125
AGENCY:                  US Coast and Geodetic Survey (USC&GS)     PID#:  DK3433
SETTING CLASSIFICATION:  Concrete pile cap


The bench mark is a disk set on top of a concrete pile cap at the inner corner
of the L in main concrete pier, 3.96 m (13.0 ft) NE of the tide house, 0.76 m
(2.5 ft) NE of the corner, and 0.46 m (1.5 ft) from concrete face of pier. 
Note: Pile cap is severely cracked from recent tropical storm wave action.

                          U.S. DEPARTMENT OF COMMERCE
                National Oceanic and Atmospheric Administration
                            National Ocean Service
                                                                   Page  4 of  7

                                                                                
Station ID: 1820000                                PUBLICATION DATE:  10/07/2011
Name:       KWAJALEIN, MARSHALL ISLANDS                       
NOAA Chart: HO6003                                 Latitude:          8° 43.9' N
USGS Quad:  NONE                                   Longitude:       167° 44.2' E


                         T I D A L   B E N C H   M A R K S


                         BENCH MARK STAMPING:  0000 M 1980
                         DESIGNATION:          182 0000 M

MONUMENTATION:           Tidal Station disk                        VM#:      127
AGENCY:                  National Ocean Survey (NOS)               PID:         
SETTING CLASSIFICATION:  Concrete pier


The bench mark is a disk set along the north edge of Echo Pier, 147.28 m (483.2
ft) west of bench mark 5 1948, 121.37 m (398.2 ft) west of the NE corner of the
pier, 120.46 m (395.2 ft) east of the NW corner of the pier, 15.54 m (51.0 ft)
NW of light post #D7, 0.24 m (0.8 ft) south of the north edge of the pier, and
0.30 m (1.0 ft) above the pier deck level.



                         BENCH MARK STAMPING:  0000 N 1992
                         DESIGNATION:          182 0000 N

MONUMENTATION:           Tidal Station disk                        VM#:    12703
AGENCY:                  National Ocean Service (NOS)              PID:         
SETTING CLASSIFICATION:  Concrete foundation


The bench mark is a disk set in the top of a 0.55 m x 0.55 m (1.8 ft x 1.8 ft)
concrete base of light pole C39 on the south side of Sixth Street at the
intersection of Heliotrope Road, 21.70 m (71.2 ft) west of a fire hydrant, 1.95
m (6.4 ft) south of the south edge of Sixth Street, and 0.15 m (0.5 ft) above
ground.

                          U.S. DEPARTMENT OF COMMERCE
                National Oceanic and Atmospheric Administration
                            National Ocean Service
                                                                   Page  5 of  7

                                                                                
Station ID: 1820000                                PUBLICATION DATE:  10/07/2011
Name:       KWAJALEIN, MARSHALL ISLANDS                       
NOAA Chart: HO6003                                 Latitude:          8° 43.9' N
USGS Quad:  NONE                                   Longitude:       167° 44.2' E


                         T I D A L   B E N C H   M A R K S


                         BENCH MARK STAMPING:  0000 R 1994
                         DESIGNATION:          182 0000 R

MONUMENTATION:           Tidal Station disk                        VM#:    12705
AGENCY:                  National Ocean Service (NOS)              PID:         
SETTING CLASSIFICATION:  Concrete slab


The bench mark is a disk set flush on the NW corner of a 1.61 m x 1.61 m (5.3 ft
x 5.3 ft) concrete sewage access pad painted yellow, 54 m (177 ft) east of the
south water tower, 17.07 m (56.0 ft) NW of the most NW cyclone fence pole of the
Dally Tennis Court #802, 11.83 m (38.8 ft) NE of the center cyclone fence pole
fronting racquetball court #567, 6.74 m (22.1 ft) south of the centerline of 8th
street, and 0.45 m (1.5 ft) above the natural grade.  



                         BENCH MARK STAMPING:  0000 S 2008
                         DESIGNATION:          182 0000 S

MONUMENTATION:           Tidal Station disk                        VM#:    18606
AGENCY:                  National Ocean Service (NOS)              PID:         
SETTING CLASSIFICATION:  Concrete foundation


The bench mark is a disk set in the top of a concrete vault for manhole cover
#75 at the SE corner of Lagoon Road and 5th Street, 13.90 m (45.6 ft) east of
centerline of Lagoon Road, 10.10 m (33.1 ft) west of centerline of 5th Street,
0.70 m (2.3 ft) SE of the center of the manhole cover, and 0.05 m (0.2 ft) above
ground.

                          U.S. DEPARTMENT OF COMMERCE
                National Oceanic and Atmospheric Administration
                            National Ocean Service
                                                                   Page  6 of  7

                                                                                
Station ID: 1820000                                PUBLICATION DATE:  10/07/2011
Name:       KWAJALEIN, MARSHALL ISLANDS                       
NOAA Chart: HO6003                                 Latitude:          8° 43.9' N
USGS Quad:  NONE                                   Longitude:       167° 44.2' E


                            T I D A L   D A T U M S 


Tidal datums at KWAJALEIN, MARSHALL ISLANDS based on:

     LENGTH OF SERIES:      19 YEARS
     TIME PERIOD:           January 1983 - December 2001
     TIDAL EPOCH:           1983-2001
     CONTROL TIDE STATION:   


Elevations of tidal datums referred to Mean Lower Low Water (MLLW), in METERS:

     HIGHEST OBSERVED WATER LEVEL (09/08/2010)         =  1.815
     MEAN HIGHER HIGH WATER                     MHHW   =  1.194
     MEAN HIGH WATER                            MHW    =  1.088
     MEAN SEA LEVEL                             MSL    =  0.567
     MEAN TIDE LEVEL                            MTL    =  0.563
     MEAN LOW WATER                             MLW    =  0.039
     MEAN LOWER LOW WATER                       MLLW   =  0.000
     LOWEST  OBSERVED WATER LEVEL (12/02/1982)         = -0.646



Bench Mark Elevation Information                In METERS above:

     Stamping or Designation                    MLLW        MHW

     NO 8 1951                                   1.963    0.875
     5 1948                                      1.957    0.869
     NO 6 1950                                   2.782    1.694
     NO 9 1951                                   2.462    1.374
     11 1958                                     2.271    1.183
     NO 12 1959                                  1.936    0.848
     0000 M 1980                                 2.373    1.285
     0000 N 1992                                 2.554    1.466
     0000 R 1994                                 3.193    2.105
     0000 S 2008                                 2.350    1.262


                          U.S. DEPARTMENT OF COMMERCE
                National Oceanic and Atmospheric Administration
                            National Ocean Service
                                                                   Page  7 of  7

                                                                                
Station ID: 1820000                                PUBLICATION DATE:  10/07/2011
Name:       KWAJALEIN, MARSHALL ISLANDS                       
NOAA Chart: HO6003                                 Latitude:          8° 43.9' N
USGS Quad:  NONE                                   Longitude:       167° 44.2' E


                             D E F I N I T I O N S


Mean Sea Level (MSL) is a tidal datum determined over a 19-year National
Tidal Datum Epoch.  It pertains to local mean sea level and should not be
confused with any other fixed island datum.

This tide station location has a local island datum.  Island datums
are specific fixed geodetic datums whose elevation relationship to local MSL
and other tidal datums may not be consistent from one location to another.

The Vertical Mark Number (VM#) and PID# shown on the bench mark sheet are unique
identifiers for bench marks in the tidal and geodetic databases, respectively.
Each bench mark in either database has a single, unique VM# and/or PID# assigned.
Where both VM# and PID# are indicated, both tidal and geodetic elevations are
available for the bench mark listed.