Data



Data Notes



Extracted from Database

11 Mar 2019

SOUTHPORT

Station Information

Station ID: 1431
Latitude: 33.915
Longitude: -78.018333
Coastline code: 960
Station code: 56
Country: UNITED STATES
Time span of data: 1976 – 1988
Completeness (%): 72
Date of last update: 22 Jun 1990

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 SOUTHPORT.

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

Plot of annual mean sea level data at SOUTHPORT.

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: NCFF

Station Documentation

Link to RLR information.

Documentation added 1991-06-11

Southport 960/056 RLR(1986) is 12.7m below BM GAR 2 1939

Documentation added 1993-07-12

Southport 960/056 RLR(1986) is 12.7m below BM GAR 2 1939

Documentation added 2012-02-15

Southport is now an Historic station. Primary benchmark remained GAR 2 21.48
1939 1962
relationship value to TGZ on the original RLR diagram was 9.613m. For Epoch
1983-2001
this value was 9.615m.

Data Authority

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