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| 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 |
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| Present Installation: Jun 26 1989 |
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| NOAA Chart #: 16682 |
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| Time Meridian: 135 W |
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Data Types Available:Primary Water Level
Backup Water Level
Water Temperature
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Station and Bench Mark Drawing
Click HERE for Drawing
(Not for navigational use)
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Station Location Chartlet
Click HERE for Map
(Not for navigational use)
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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| Superceded Bench Mark Data Sheet: |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| Superceded Datums: |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. |
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Location:
To reach the tidal bench marks from ferry terminal in Seward, proceed on 2nd Avenue, turn left on Jefferson Street, turn right on 3rd Avenue and continue for 1.9 km (1.2 mi), then turn right on Airport Road. Gauge is located at the end of the road on the right side of Alaska Railroad Pier. The bench marks are located in the general vicinity of tide house and Port Road.
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