surfdash
07/13
[{"start":1247456580,"end":1247475900,"a":-3.8106175399590345e-13,"b":1.104316963080128e-08,"c":-0,"d":2.411},{"start":1247475900,"end":1247499480,"a":4.364318641698049e-13,"b":-1.5436595035686e-08,"c":0,"d":3.785},{"start":1247499480,"end":1247524800,"a":-4.3800442363621084e-13,"b":1.663540800970329e-08,"c":-0,"d":0.924},{"start":1247524800,"end":1247547360,"a":4.093365944033667e-13,"b":-1.3851950354609931e-08,"c":0,"d":4.479},{"start":1247547360,"end":1247566380,"a":-3.383385144993593e-13,"b":9.65279781866672e-09,"c":-0,"d":2.129}]
1247468400
8:04 AM until 9:14 AM
tide is 1.0ft at 8:04 AM
tide is 0.9ft at 8:39 AM
tide is 1.0ft at 9:14 AM
07/19
[{"start":1247970420,"end":1247998200,"a":6.501352830491379e-13,"b":-2.7091137244657574e-08,"c":0,"d":6.165},{"start":1247998200,"end":1248023400,"a":-5.317750262950565e-13,"b":2.0101095993953138e-08,"c":-0,"d":-0.804},{"start":1248023400,"end":1248036420,"a":6.116469518990074e-13,"b":-1.1945464970587616e-08,"c":0,"d":3.451},{"start":1248036420,"end":1248060060,"a":-5.589195122524628e-13,"b":1.981928590447233e-08,"c":-0,"d":2.776},{"start":1248060060,"end":1248087420,"a":7.52116698175337e-13,"b":-3.086686929311583e-08,"c":0,"d":6.468}]
1247986800
5:39 AM until 6:14 AM
tide is 0.4ft at 5:39 AM
tide is 0.9ft at 6:14 AM