Data



Data Notes



Extracted from Database

20 May 2019

HONOLULU

Station Information

Station ID: 155
Latitude: 21.306667
Longitude: -157.866667
GLOSS ID: 108
Coastline code: 760
Station code: 31
Country: UNITED STATES
Time span of data: 1905 – 2018
Completeness (%): 100
Date of last update: 31 Jan 2019

Green Arrow: Current Station
Yellow Marker: Neighbouring RLR Station
Red Marker: Neighbouring Metric Station

Please note: In many cases, the station position in our database is accurate to only one minute. Thus, the tide gauge may not appear to be on the coast.

Tide Gauge Data

Plot of monthly mean sea level data at HONOLULU.

Link to larger image of monthly data plot.
Download monthly mean sea level data.

Plot of annual mean sea level data at HONOLULU.

Link to larger image of annual data plot.
Download annual mean sea level data.

Download metric sea level data. Use only with extreme caution.
NOTE: If some of the data are red in the plots above, the 'flag for attention' is set. Please see the documentation below.

Additional Data Sources (guide to additional data sources)

Nearby GNSS Stations from SONEL: HNLC, ZHN1
Nearby Real Time Stations from VLIZ: hono
Fast Delivery Data from UHSLC station 57: hourly and daily
Research Quality Data from UHSLC station 57: hourly and daily
Research Quality Data from UHSLC station 26: hourly and daily
Research Quality Data from UHSLC station 27: hourly and daily

Station Documentation

Link to RLR information.

Documentation added 1991-06-11

Honolulu 760/031 RLR(1964) is 12.0m below BM2

Documentation added 2011-08-24

Using NOAA data the RLR diagram has been re-drawn. Primary benchmark is now B.M. ELV.8.06 FEET 3.734m above gauge datum. The previously used benchmark BM2 still remains but has been given its official title 161 2340 TIDAL 2 as it appears on the NOAA website. Value for 161 2340 TIDAL 2 is 6.347 in the NOAA report of 23.8.2000 and 6.346 in that dated 12.12.2003.

Data Authority

N.O.A.A. / N.O.S.
N/oes33, Ssmc4, Room 6531
1305 East-West Highway
Silver Spring,
MD 20910