Dumbarton Bridge, CA - Station ID: 9414509

Established:May 03, 1974
Time Meridian:120° W
Present Installation:Dec 07, 2010
Date Removed:2011-07-14
Water Level Max (ref MHHW):N/A
Water Level Min (ref MLLW):N/A
Mean Range:6.74 ft.
Diurnal Range:8.61 ft.
Latitude37° 30.4' N
Longitude122° 6.9' W
NOAA Chart#:18651
Met Site Elevation: ft. above
Today's Tides (LST/LDT)
graphical depiction of low tide
7:16 PM
low
12:36 AMhigh 7.6 ft.
6:33 AMlow 1.8 ft.
12:36 PMhigh 8.5 ft.
7:16 PMlow 0.6 ft.

How to reach: To reach the tidal bench marks from I-80, take the Dumbarton Bridge West exit, then turn left on Thorton Avenue West, follow the signs to the wildlife refuge which will lead to a frontage road and then to the Old Dumbarton bridge. The bench marks are along the roadway of the Old Dumbarton bridge. The tide gauge was located at the SW end of the old State Road 84 bridge. Special use permit or authorization is required to visit the bench marks or the station.

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