A.danger,stay away B.all is clear,it is safe to pass C.all is clear,it is safe to approach D.a distress signal
A.range of tide B.height of tide C.charted depth D.actual water depth
A.Tidal Current Tables B.Tide Tables C.American Practical Navigator D.Sailing Directions
A.Conspicuous B.Permanent C.Preliminary D.Temporary
A.active weather disturbances such as hurricanes or tropical storms B.the latest navigational warnings C.scheduled vessel arrivals and departures for a 24-hour period D.water levels at river ports where run-off affects tidal heights