Data



Data Notes



Extracted from Database

20 May 2019

ANCHORAGE

WARNING: QCFLAG EXISTS. PLEASE READ THE DOCUMENTATION.

Station Information

Station ID: 1067
Latitude: 61.238333
Longitude: -149.89
Coastline code: 821
Station code: 12
Country: UNITED STATES
Time span of data: 1964 – 2018
Completeness (%): 85
MTL Data: 1964-1971
MTL-MSL (mm): -344
Date of last update: 05 Feb 2019

Green Arrow: Current Station
Yellow Marker: Neighbouring RLR Station
Red Marker: Neighbouring Metric Station

Please note: In many cases, the station position in our database is accurate to only one minute. Thus, the tide gauge may not appear to be on the coast.

Tide Gauge Data

Plot of monthly mean sea level data at ANCHORAGE.

Link to larger image of monthly data plot.
Download monthly mean sea level data.

Plot of annual mean sea level data at ANCHORAGE.

Link to larger image of annual data plot.
Download annual mean sea level data.

Download metric sea level data. Use only with extreme caution.
NOTE: If some of the data are red in the plots above, the 'flag for attention' is set. Please see the documentation below.

Additional Data Sources (guide to additional data sources)

Nearby GNSS Stations from SONEL: TSEA, TBON, ZAN1, ANC2
Nearby Real Time Stations from VLIZ: anch, anch2

Station Documentation

Link to RLR information.

Documentation - date unknown

1964 - 1971 values based on readings of high and low waters.

Documentation added 1992-04-02

South Alaskan coastline earthquake prone - e.g. magnitude 9.2 earthquake of 28th March 1964 - see Savage Plafker, JGR,96(B3), 4325-4335, 1991

Documentation added 1993-07-12

Anchorage 821/012 RLR(1975) is 13.4m below BM15

Documentation added 1994-07-12

Apparent datum shift around 1972-73.

Documentation added 2011-06-23

May-December 2007 values replaced to bring PSMSL record in line with corrected data on NOAA website. Original reported high frequency water levels were between 0 and 22 cm higher than they actually were.

Documentation added 2011-11-24

Using information from the NOAA website the RLR diagram has been revised. Primary benchmark previously called BM 15 13.237m relative to gauge datum corresponds with NOAA benchmark NO 15 RESET 1966. Value for this in both 1999 and 2003 reports is 13.231m.

Documentation added 2016-01-22

A value of MTL-MSL=-344 mm has been applied to the RLR data for the period 1964-1971. This value was taken from the NOAA website for the station.

Data Authority

N.O.A.A. / N.O.S.
N/oes33, Ssmc4, Room 6531
1305 East-West Highway
Silver Spring,
MD 20910