Data



Data Notes



Extracted from Database

14 Oct 2019

SEWELLS POINT, HAMPTON ROADS

Station Information

Station ID: 299
Latitude: 36.946667
Longitude: -76.33
Coastline code: 960
Station code: 71
Country: UNITED STATES
Time span of data: 1927 – 2018
Completeness (%): 99
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 SEWELLS POINT, HAMPTON ROADS.

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

Plot of annual mean sea level data at SEWELLS POINT, HAMPTON ROADS.

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.

Station Documentation

Link to RLR information.

Documentation added 1991-06-11

Hampton Roads 960/071 RLR(1964) is 10.6m below BM6

Documentation added 2011-08-11

Using NOAA data RLR diagram has been re-drawn. Primary benchmark is now 8610 G 2006 4.315m above TGZ benchmark 6 1927 relates to the previously named BM6. Value in Epoch 1960-1978 5.197m above gauge datum, Epoch 1983-2001 value 5.198m. This benchmark no longer appears in the NOAA listing. The station name has also been re-arranged to agree with the NOAA website.

Data Authority

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