U.S. DEPARTMENT OF COMMERCE
National Oceanic and Atmospheric Administration
National Ocean Service
Datums Page Page 1 of 5
Station ID: 1612668 PUBLICATION DATE: 10/10/2008
Name: HALEIWA, WAIALUA BAY, OAHU IS
HI
NOAA Chart: 19357 Latitude: 21° 35.9' N ( 21.59830)
USGS Quad: HALEIWA Longitude: 158° 6.5' W (-158.10800)
To reach the tidal bench marks, at Haleiwa, proceed 0.64 km (0.4 mi) north along
State Highway 83 from the Post Office, thence 0.16 km (0.1 mi) west along
Haleiwa Road, thence 0.08 km (0.05 mi) north along an asphalt road to the
parking area for Haleiwa small boat harbor.
T I D A L B E N C H M A R K S
PRIMARY BENCH MARK STAMPING: 2558 A 1983
DESIGNATION: 161 2668 A
MONUMENTATION: Tidal Station disk VM#: 18906
AGENCY: National Ocean Survey (NOS) IDB PID#:
SETTING CLASSIFICATION: Cement OPUS PID:
LATITUDE: 21° 35.9' N ( 21.59830) LONGITUDE: 158° 6.5' W (-158.10800)
The primary bench mark is a disk set in cement on the 2 m x 2 m (6 ft x 6 ft)
base of a Coast Guard day shape, at the extreme end of the inside breakwater of
the Haleiwa boat basin, 0.91 m (3.0 ft) SW of the center of the base, and 0.35 m
(1.15 ft) NE of the outside corner.
BENCH MARK STAMPING: 2558 B 1983
DESIGNATION: 161 2668 B
MONUMENTATION: Tidal Station disk VM#: 18907
AGENCY: National Ocean Survey (NOS) IDB PID#:
SETTING CLASSIFICATION: Cement slab OPUS PID:
LATITUDE: 21° 35.9' N ( 21.59830) LONGITUDE: 158° 6.5' W (-158.10800)
The bench mark is a disk set in a cement slab of the SW corner of a 3 m x 3 m
(10 ft x 10 ft) base of a 2.13 m (7.0 ft) tall cement bunker on the inner
breakwater of the Haleiwa boat basin, and 0.43 m (1.4 ft) NE of the SW corner of
the cement slab that it is set in.
U.S. DEPARTMENT OF COMMERCE
National Oceanic and Atmospheric Administration
National Ocean Service
Page 2 of 5
Station ID: 1612668 PUBLICATION DATE: 10/10/2008
Name: HALEIWA, WAIALUA BAY, OAHU IS
HI
NOAA Chart: 19357 Latitude: 21° 35.9' N ( 21.59830)
USGS Quad: HALEIWA Longitude: 158° 6.5' W (-158.10800)
T I D A L B E N C H M A R K S
BENCH MARK STAMPING: 2558 C 1983
DESIGNATION: 161 2668 C
MONUMENTATION: Tidal Station disk VM#: 18908
AGENCY: National Ocean Survey (NOS) IDB PID#:
SETTING CLASSIFICATION: Concrete base OPUS PID:
LATITUDE: 21° 35.9' N ( 21.59830) LONGITUDE: 158° 6.5' W (-158.10800)
The bench mark is a disk set in the concrete base of light standard #7, in the
Administration Building parking lot of the Haleiwa boat basin, 63.7 m (209.0 ft)
west of a stonewall by Anahulu Stream, 27.96 m (95.0 ft) south of fire hydrant
A-450, and 22.25 m (73.0 ft) NW of the concrete bulkhead on the north side of
basin 2 (inland most waterway).
BENCH MARK STAMPING: 2558 D 1983
DESIGNATION: 161 2668 D
MONUMENTATION: Tidal Station disk VM#: 18909
AGENCY: National Ocean Survey (NOS) IDB PID#:
SETTING CLASSIFICATION: Walkway OPUS PID:
LATITUDE: 21° 35.9' N ( 21.59830) LONGITUDE: 158° 6.5' W (-158.10800)
The bench mark is a disk set on the west side pedestrian walkway at the south
end of the Anahulu Bridge, 29.87 m (98 ft) north of fire hydrant C-61, 3.96 m
(13.0 ft) NE from telephone pole 86 (4.166), and 0.40 m (1.3 ft) north of the
southern edge of the bridge abutment.
U.S. DEPARTMENT OF COMMERCE
National Oceanic and Atmospheric Administration
National Ocean Service
Page 3 of 5
Station ID: 1612668 PUBLICATION DATE: 10/10/2008
Name: HALEIWA, WAIALUA BAY, OAHU IS
HI
NOAA Chart: 19357 Latitude: 21° 35.9' N ( 21.59830)
USGS Quad: HALEIWA Longitude: 158° 6.5' W (-158.10800)
T I D A L B E N C H M A R K S
BENCH MARK STAMPING: NO 5 1969
DESIGNATION: 161 2668 TIDAL 5
MONUMENTATION: Tidal Station disk VM#: 18910
AGENCY: National Ocean Survey (NOS) IDB PID#: TU0533
SETTING CLASSIFICATION: Concrete wall of wharf OPUS PID:
LATITUDE: 21° 35.9' N ( 21.59830) LONGITUDE: 158° 6.5' W (-158.10800)
The bench mark is a disk set in the top of the NE corner of a concrete wall of
wharf, 32.61 m (107.0 ft)east of the center of a boat launch ramp, 0.73 m (2.4
ft) west of the east end of the wharf, and 0.40 m (1.3 ft) SE of the center of a
boat tie down cleat.
U.S. DEPARTMENT OF COMMERCE
National Oceanic and Atmospheric Administration
National Ocean Service
Page 4 of 5
Station ID: 1612668 PUBLICATION DATE: 10/10/2008
Name: HALEIWA, WAIALUA BAY, OAHU IS
HI
NOAA Chart: 19357 Latitude: 21° 35.9' N ( 21.59830)
USGS Quad: HALEIWA Longitude: 158° 6.5' W (-158.10800)
T I D A L D A T U M S
Tidal datums at HALEIWA, WAIALUA BAY, OAHU IS based on:
LENGTH OF SERIES: 1 MONTH
TIME PERIOD: November 1983 - November 1983
TIDAL EPOCH: 1983-2001
CONTROL TIDE STATION: 1612480 MOKUOLOE, KANEOHE BAY, OAHU ISLAND
Elevations of tidal datums referred to Mean Lower Low Water (MLLW), in METERS:
MEAN HIGHER HIGH WATER MHHW = 0.588
MEAN HIGH WATER MHW = 0.499
MEAN TIDE LEVEL MTL = 0.290
MEAN SEA LEVEL MSL = 0.282
MEAN LOW WATER MLW = 0.081
MEAN LOWER LOW WATER MLLW = 0.000
Bench Mark Elevation Information In METERS above:
Stamping or Designation MLLW MHW
2558 A 1983 3.030 2.531
2558 B 1983 3.198 2.699
2558 C 1983 3.486 2.987
2558 D 1983 3.070 2.571
NO 5 1969 1.269 0.770
U.S. DEPARTMENT OF COMMERCE
National Oceanic and Atmospheric Administration
National Ocean Service
Page 5 of 5
Station ID: 1612668 PUBLICATION DATE: 10/10/2008
Name: HALEIWA, WAIALUA BAY, OAHU IS
HI
NOAA Chart: 19357 Latitude: 21° 35.9' N ( 21.59830)
USGS Quad: HALEIWA Longitude: 158° 6.5' W (-158.10800)
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. The NGS's Integrated Data Base (IDB PID)
provides geodetic datum based on traditionally leveled and bluebooked ties to
the National Spatial Reference System(NSRS) https://www.ngs.noaa.gov/datasheets/.
The NGS Online Positioning User Service (OPUS PID) provides geodetic datum based
on GPS position & tie it to the NSRS https://www.ngs.noaa.gov/OPUS/.