surfdash
12/30
[{"start":1830131040,"end":1830156600,"a":-5.3393391945279e-13,"b":2.0471026471819967e-08,"c":-0,"d":-0.66},{"start":1830156600,"end":1830171480,"a":5.250943066946643e-13,"b":-1.1720104925424909e-08,"c":0,"d":3.798},{"start":1830171480,"end":1830192780,"a":-4.729087936924522e-13,"b":1.510943595847385e-08,"c":-0,"d":2.933},{"start":1830192780,"end":1830219420,"a":5.954682125785662e-13,"b":-2.3794909774639503e-08,"c":0,"d":5.218},{"start":1830219420,"end":1830245040,"a":-5.066432005520407e-13,"b":1.9470298197214923e-08,"c":-0,"d":-0.411}]
1830153600
3:56 PM until 5:31 PM
tide is 0.9ft at 3:56 PM
tide is -0.2ft at 5:31 PM
12/31
[{"start":1830219420,"end":1830245040,"a":-5.066432005520407e-13,"b":1.9470298197214923e-08,"c":-0,"d":-0.411},{"start":1830245040,"end":1830260700,"a":5.009908505384581e-13,"b":-1.176827507914838e-08,"c":0,"d":3.849},{"start":1830260700,"end":1830281460,"a":-4.3477799335255425e-13,"b":1.3538986712998538e-08,"c":-0,"d":2.887},{"start":1830281460,"end":1830307500,"a":5.461780744550024e-13,"b":-2.133371558821239e-08,"c":0,"d":4.832},{"start":1830307500,"end":1830333000,"a":-4.780061967116719e-13,"b":1.8283737024221452e-08,"c":-0,"d":0.01}]
1830240000
4:41 PM until 5:31 PM
tide is 1.0ft at 4:41 PM
tide is 0.4ft at 5:31 PM