surfdash
12/20
[{"start":1987121820,"end":1987147140,"a":-5.541895632955489e-13,"b":2.1048119613964946e-08,"c":-0,"d":-0.417},{"start":1987147140,"end":1987164060,"a":5.565687418812807e-13,"b":-1.4125714668946902e-08,"c":0,"d":4.081},{"start":1987164060,"end":1987184520,"a":-4.999536862146651e-13,"b":1.5343578629928072e-08,"c":-0,"d":2.733},{"start":1987184520,"end":1987210440,"a":5.673511676272624e-13,"b":-2.2058613397347965e-08,"c":0,"d":4.874},{"start":1987210440,"end":1987236120,"a":-4.944790524510992e-13,"b":1.9047333100416337e-08,"c":-0,"d":-0.066}]
1987142400
4:47 PM until 5:22 PM
tide is 1.0ft at 4:47 PM
tide is 0.5ft at 5:22 PM