The vertical distance from the tidal datum to the level of the water is the __________.
Official USCG Answer & Rule Citation
Correct Answer: Option B — height of tide
According to standard hydrographic definitions in Bowditch, the height of tide is the vertical distance measured from the established tidal datum to the instantaneous level of the water surface at any given time.
100% Free & Open Access — No daily limits, paywalls, or gated answers on BrightMariner.