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Port Townsend , WAStation ID: 9444900
Station Information

Latitude: 48° 6.7' N Mean Range: 5.34 ft.
Longitude: 122° 45.4' W Diurnal Range: 8.52 ft.
Established: Dec 31 1971
Present Installation: Apr 12 1990
NOAA Chart #: 18464
Time Meridian: 120 W
            
Water Level Station Image for Port Townsend, WA

Data Types Available:

Primary Water Level
Backup Water Level
Barometric Pressure
Wind
Air Temperature
Water Temperature

Station and Bench Mark Drawing

Click HERE for Drawing
(Not for navigational use)

Station Location Chartlet

Click HERE for Map
(Not for navigational use)

EPOCH Update Information:

EPOCH Datum Comparison: Click HERE - check datum differences between the old epoch (1960-1978) and the new epoch (1983-2001)
Superceded Bench Mark Data Sheet: Click HERE - bench mark sheet on the old Tidal Datum Epoch (1960-1978)
Superceded Datums: Click HERE - datums on the old Tidal Datum Epoch (1960-1978)
Mean Sea Level Differences List: Click HERE - mean sea level differences between the two epochs for all stations.
Mean Sea Level Difference:
for 9444900 Port Townsend, WA
1983-20011960-1978Difference:
8.35 ft. 8.17 ft. 0.18 ft.

Location:

To reach the tidal bench marks, from Seattle depart on the Winslow Ferry and take Highway 305 north to Highway 3 towards the Hood Canal Bridge. From the west side of the Hood Canal Bridge travel west on Route 104 to the Port Townsend/Chimacum turn-off onto County Road 12. Drive 23 km (14 mi) to Route 20 and turn right. Then go 6 km (4 mi) on Route 20 into Port Townsend. Continue on Water Street (Route 20) to the Washington State Ferries Dock on the right. The bench marks are located along Water Street (Route 20) towards Point Hudson. The tide gauge is located in the middle of three rooms in a wooden storage garage at the SW corner of the dock.
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