NOAA Web Site Link Tides and Currents Home Page Transparent placeholder image

Datums for 9415074, HERCULES WHARF CA


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9415074, HERCULES WHARF, CA
Status: Accepted (Apr 17 2003)
Units: Feet
Control Station: 9414290 San Francisco, CA
T.M.: 120
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW6.08Mean Higher-High Water
MHW5.48Mean High Water
MTL3.22Mean Tide Level
MSL3.21Mean Sea Level
DTL3.04Mean Diurnal Tide Level
MLW0.96Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-2.81Station Datum
GT6.08Great Diurnal Range
MN4.52Mean Range of Tide
DHQ0.59Mean Diurnal High Water Inequality
DLQ0.96Mean Diurnal Low Water Inequality
HWI8.79Greenwich High Water Interval (in hours)
LWI2.50Greenwich Low Water Interval (in hours)
Max TideHighest Observed Tide
Max Tide Date & Time Highest Observed Tide Date & Time
Min TideLowest Observed Tide
Min Tide Date & Time Lowest Observed Tide Date & Time
HATHighest Astronomical Tide
HAT Date & Time HAT Date and Time
LATLowest Astronomical Tide
LAT Date & Time LAT Date and Time
Tidal Datum Analysis Periods
10/01/1986 - 01/31/1987
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.




Products available at 9415074 HERCULES WHARF, CA

Revised: 10/15/2013
NOAA / National Ocean Service
Web site owner: Center for Operational Oceanographic Products and Services