Data Retrieval - Station Information

Seward , AK

Station ID: 9455090

Station Information

Latitude: 60° 7.2' N	Mean Range: 8.33 ft.
Longitude: 149° 25.6' W	Diurnal Range: 10.62 ft.
Established: May 1 1925
Present Installation: Jun 26 1989
NOAA Chart #: 16682
Time Meridian: 135 W

Data Types Available:

Primary Water Level
Backup Water Level
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Superceded Bench Mark Data Sheet:	Click HERE -	bench mark sheet on the old Tidal Datum Epoch (1960-1978)
Superceded Datums:	Click HERE -	datums on the old Tidal Datum Epoch (1960-1978)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 9455090 Seward, AK

1983-2001	1960-1978	Difference:
11.70 ft.	11.79 ft.	-0.09 ft.

Location:

To reach the tidal bench marks from ferry: Head west toward the Alaska Railroad pier. Gauge is located in the SW corner of the Cruise Ship Terminal building located on the pier. To reach the tidal bench marks from Highway: Route 1 (Seward Highway) from Anchorage or Homer to Route 9 to Seward; as soon as you enter Seward look for boat harbor. Prior to reaching the boat harbor make a left on Port Avenue. L ook for the large wooden Alaska Railroad sign on the south side of Port Ave. Turn right just before reaching the sign. This road will lead to the Alaska Railroad pier. Gauge is located in the SW corner of the Cruise Ship Terminal building located on the pier. Note: Tide the tide station is located in a MARSEC regulated area; permission must be granted prior to access some of the bench marks.