Station Information

Station ID: 823
Latitude: 21.431667
Longitude: -157.79
Coastline code: 760
Station code: 41
Time span of data: 1957 – 2016
Completeness (%): 86
Frequency Code: HL
Date of last update: 02 Feb 2017

Green Arrow: Current Station
Yellow Marker: Neighbouring RLR 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.

Additional Data Sources (guide to additional data sources)

Fast Delivery Data from UHSLC station 61: hourly and daily
Research Quality Data from UHSLC station 61: hourly and daily

Station Documentation

Link to RLR information.
Data prior to 1970 based on 24 redaings per day
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-JUN-91 :
Mokuoloe Island 760/041 RLR(1969) is 8.4m below BM7
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 24-Nov-2011 :
Using information from the NOAA website the RLR diagram has been revised. Primary benchmark is now NO 1 1957 1.969m above gauge datum. This benchmark appears on the original RLR diagram as a secondary benchmark with the same value. Previous Primary benchmark NO 7 1968 is included in the NOAA report for 2000 with a value of 2.657m relative to the gauge datum but does not appear in the NOAA report of 2003.

Data Authority

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