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.
Nearby GNSS Stations from SONEL: NPRI, N001
Fast Delivery Data from UHSLC station 253: hourly and daily
Research Quality Data from UHSLC station 253: hourly and daily
Using NOAA data the RLR diagram was re-drawn. Primary benchmark now 6 1943 2.813m above gauge datum. for previous Epoch (1960- 1978) value is 2.816m Previously used PSMSL benchmark BM1 relates to current NO 1 1930. Value for this in Epoch 1960-1978 was 11.390m relative to gauge datum for Epoch 1983-2001 value 11.388.