GLOSS Station Handbook

Station information sheet

GLOSS number158
Station name

San Francisco, CA

Time zone120W, GMT - 8hrs
Latitude (+ve N)37.8
Longitude (+ve E)-122.46666
Observation period(s)1854-, being upgraded 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
Digital dataYes
Additional parametersSea surface temperature, density
Data acquisition rate6 minute intervals
Fast delivery data at UHSLCDownload h551.dat from UHSLC   Format documentation for UHSLC data
High frequency data at BODCDownload from BODC   View San Francisco, CA site history  
High frequency data at UHSLCDownload from UHSLC   Download documentation qa551a.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)Sea surface temperature, density
Tide gauge benchmarksUS C&GS tidal benchmark survey disk stamped '180 1936' set in a concrete wall at the Fort Point Coastguard Station.
Benchmark relationshipsTGBM = 13.24 feet above mean lower low water (1960-1978 epoch) TGBM = 10.11 feet above mean sea level (1960-1978 epoch) TGBM = 8.01 feet above mean high water (1960-1978 epoch)
Auxiliary benchmarks174 1925 4290 J 1976 175 1925 4290 K 1976 176 1925 4290 L 1976 181 1945 4290 M 1982 NO 2 1948 CLARK 1948
Data at PSMSL 
Annual MSL (RLR) dataDownload annual MSL (RLR) data for San Francisco, CA
Annual MSL (RLR) plotView annual MSL (RLR) plot for San Francisco, CA
PSMSL code10
Other relevant codesUHSLC 551
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)