3r 



2 - 



♦ t 



. t 



t * 



Average high water lag = 0.22 hr 

 ivero^e low water lag =0.36 fir 



• High Woter 



♦ Low Water 



\ 0.6 08 1.0 1.2 14 1.6 1,8 



Marsh Point Dally Average Water Level obove MSL (fl) 



Figure 61. Tidal lags versus water level, 

 16 July-9 September 1974. 



2.0 



0.7 



C.6 



0.5 



5 0.4 



t 0.3 



S 2 



:e 



I 1 



<i 



I 



ii 



X -0.1 



S -0.2 



£■-0.3 



i -O.-l 



-n.5 



-0.6 



-0 7 



-| 1 1 r 1 r 



T r 



J I I L 



till 



Jon. Feb Mor. Apr. Moy June July Aug. Sept. Oct. Nov. Dec 



Figure 62. Rollover Pass monthly mean 



tide level variability, 1974. 



71 



