For a discussion of submergence near to Port Said see Emery and Aubrey (Sea Levels, Land Levels and Tide Gauges), 1991, Springer-Verlag, page 35. However, see also note above about possible datum shift in the tide gauge data.
Documentation added 1997-10-01
Analysis of Suez Canal data is described by F.M.Eid, S.H.Sharaf El-Din and K.A.Alam El-Din, "Sea-level variation along the Suez Canal",Estuarine, Coastal and Shelf Science,44,613-619,1997.
Egyptian National Oceanographic Data Centre Institute of Oceanography and Fisheries Kayet Bay Alexandria