Figure 11.3

Sea level as function of time at four ports:

Immingham: semidiurnal; two high and low waters each day. San Francisco: mixed, mainly semidiurnal; two high and low waters each day during most of the time, only one high and low water during neap tides. Manila: mixed, mainly diurnal, one dominant high and low water each day, two high and low waters during spring tide. Do San: diurnal; one high and low water each day.

For an enlargment of the tidal records, click on the appropriate location: Immingham, San Francisco, Manila, Do San.

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Immingham: semidiurnal; two high and low waters each day.	San Francisco: mixed, mainly semidiurnal; two high and low waters each day during most of the time, only one high and low water during neap tides.	Manila: mixed, mainly diurnal, one dominant high and low water each day, two high and low waters during spring tide.	Do San: diurnal; one high and low water each day.