Station Information

Station ID: 235
Latitude: 42.353333
Longitude: -71.053333
Coastline code: 960
Station code: 171
Time span of data: 1921 – 2017
Completeness (%): 99
Date of last update: 14 Feb 2018

Green Arrow: Current Station
Yellow Marker: Neighbouring RLR 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.

Additional Data Sources (guide to additional data sources)

Nearby Real Time Stations from VLIZ: boma
Research Quality Data from UHSLC station 741: hourly and daily

Station Documentation

Link to RLR information.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-Jun-1991
Boston 960/171 RLR(1964) is 11.0m below BM7
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 17-Aug-2011
Using NOAA data the RLR diagram was re-drawn. Primary benchmark is now K 12 MASS G.S. 1936 14.292 6.858m above gauge datum. Previous benchmark BM 7 is no longer listed on the NOAA site.

Data Authority

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