Planned maintenance — 18th January 2018 12:00 to 22nd January 2018 09:00 [more]

GLOSS Station Handbook

Station information sheet

GLOSS number111
Station name


CountryMarshall Is.
Time zone180E, GMT + 12hrs
Latitude (+ve N)8.73333
Longitude (+ve E)167.73333
Observation period(s)1946-, due for upgrade 2007
Responsible countryU.S.A.
Authority responsible
for tide gauge
NOAA, National Ocean Service, 1305 East-West Highway, Silver Spring, MD 20910-3281, USA
GLOSS contactUSA
Committed to GLOSSYes
Location mapView location map for GLOSS station Kwajalein
Digital dataYes
Additional parametersAir/sea surface temp, density pressure, wind speed/ direction
Data acquisition rateDigital gauge: 6 minute interval (after 1976) Analog gauge: hourly heights (before 1976)
Fast delivery data at UHSLCDownload h055.dat from UHSLC   Format documentation for UHSLC data
High frequency data at BODCDownload from BODC   View Kwajalein site history  
High frequency data at UHSLCDownload from UHSLC   Download documentation qa055a.dmt from UHSLC   Format documentation for UHSLC data
Data held at national organisationYes
Real-time data availableYes
Real-time data transmitted
to GLOSS Fast Centre
Real-time data plots from UHSLC
Additional parameters (real-time)Air/sea surface temp, density pressure, wind speed/ direction
Tide gauge benchmarksBenchmark 8 (1957) is the primary benchmark (PBM) set in the north side of the former sea wall of Echo Pier.
Benchmark relationshipsTGBM is 9.36ft above Tide Gauge Zero (Station Datum) NOAA Chart Datum (MLLW) is 2.83ft above Station Datum Mean Sea Level (1960-1978) is 4.73ft above Station Datum
Data at PSMSL 
Annual MSL (RLR) dataDownload annual MSL (RLR) data for Kwajalein
Annual MSL (RLR) plotView annual MSL (RLR) plot for Kwajalein
PSMSL code513
Other relevant codesUHSLC 055
Additional information 
Last updated1993-12-05

Related BODC pages

Sea level portal      World Ocean Circulation Experiment (WOCE) — Sea  level
UK Tide Gauge Network     Climate Variability and Predictability (CLIVAR)
GLOSS project page  


Related external links

Global Sea Level Observing System (GLOSS)     Permanent Service for Mean Sea Level (PSMSL)
University of Hawai`i Sea Level Centre (UHSLC)  World Ocean Circulation Experiment (WOCE)


Permanent Service for Mean Sea Level (PSMSL) Global Sea Level Observing System (GLOSS) Station Handbook Intergovernmental Oceanographic Commission (IOC)