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.
Southport 960/056 RLR(1986) is 12.7m below BM GAR 2 1939
Documentation added 1993-07-12
Southport 960/056 RLR(1986) is 12.7m below BM GAR 2 1939
Documentation added 2012-02-15
Southport is now an Historic station. Primary benchmark remained GAR 2 21.48 1939 1962 relationship value to TGZ on the original RLR diagram was 9.613m. For Epoch 1983-2001 this value was 9.615m.