Answer
Approximately 7:19 pm, approximately 0 feet
Work Step by Step
For Maalaea, the data for Kahului Harbor needs to adjusted by $+1:19$ in case of the low tide. In regards for Kahului Harbor, on January 20, the lowest point on the graph occurs at approximately 6 pm. Since the lowest point on the graph corresponds to the low tide, this means that the low tide occurs at approximately 6 pm. Therefore, for Maalaea, the low tide occurs at approximately:
$6+1:19=7:19$ pm
For Maalaea, the data for Kahului Harbor needs to adjusted by $-0.2$ ft when finding height related to the low tide. According to the graph for Kahului Harbor, the height that corresponds to the low tide is approximately $0.2$ feet. Therefore, for Maalaea, the hieght corresponding to the low tide is:
$+0.2-0.2=0$ ft
