Data



Data Notes



Extracted from Database

20 May 2019

LEWES (BREAKWATER HARBOR)

Station Information

Station ID: 224
Latitude: 38.781667
Longitude: -75.12
Coastline code: 960
Station code: 85
Country: UNITED STATES
Time span of data: 1919 – 2018
Completeness (%): 76
Date of last update: 31 Jan 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 LEWES (BREAKWATER HARBOR).

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

Plot of annual mean sea level data at LEWES (BREAKWATER HARBOR).

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: CHL1
Research Quality Data from UHSLC station 747: hourly and daily

Station Documentation

Link to RLR information.

Documentation added 1991-06-11

Lewes, Delaware 960/085 RLR(1971) is 10.2m below BM36

Documentation added 2011-08-11

Using data extracted from the NOAA website the RLR diagram has been re-drawn. The Primary benchmark now appears to be NO 20 1975 3.99m above the gauge datum. The previously used PSMSL benchmark BM36 4.651m above gauge datum no longer appears on 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