What is the period of time from around 1008 DST (ZD +4) at Canapitsit Channel, MA, on 7 August 1983, in which the current does not exceed 0.4 knot?

Correct Answer: Option C — 0955 to 1021

Utilize the Tidal Current Tables for Canapitsit Channel. Identify the slack water times surrounding the 1008 observation. By interpolating the current velocity curve, the interval where the velocity remains below 0.4 knots is determined to be 0955 to 1021, adhering to standard tidal current prediction methodology found in Bowditch.