Table 1: Rip current speed measurements taken with the laser rangefinder on July 18, 2016 at South Beach show an average rip speed of 0.4 m/s. Measurements were also taken by this technique at many other times as detailed in Leatherman (2017) [14].

Seconds Distance (m) Speed (m/s)
0 68
18 73 0.3
9 75 0.2
9 78 0.3
7 81 0.4
5 84 0.6
13 90 0.5
11 92 0.2
21 101 0.4