The datum from which the predicted heights of tides are reckoned in the tide tables is __________.
Official USCG Answer & Rule Citation
Correct Answer: Option B — the same as that used for the charts of the locality
Mean Lower Low Water (MLLW) is the average of the lower low water height of each tidal day over a 19-year National Tidal Datum Epoch. It serves as the official chart sounding datum on NOAA nautical charts.
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