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.
Data downloaded directly from the NOAA database. Datum information also downloaded. NOAA Primary Benchmark is NO 13 1928 ELEV 8.264FT 4.02m above TGZ. Previous benchmark used BM1 4.334m above gauge zero. This corresponde with benchmark PORT 1962 values 4.333m above gauge datum for Epoch 1960-1978. 4.334m above for Epoch 1983-2001.