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PLEASE NOTE that zero is now at Mean Lower Low Water (MLLW).
This is the old default datum.
 
#Cape Hatteras, NC : 05/25/2013 06:23:47 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/23 12Z,  -0.20,   1.22,  99.90,   1.02,   0.00,
05/23 13Z,  -0.20,   2.03,  99.90,   1.83,   0.00,
05/23 14Z,  -0.20,   2.66,  99.90,   2.46,   0.00,
05/23 15Z,  -0.20,   2.92,  99.90,   2.72,   0.00,  (max)
05/23 16Z,  -0.20,   2.77,  99.90,   2.57,   0.00,
05/23 17Z,  -0.10,   2.25,  99.90,   2.15,   0.00,
05/23 18Z,  -0.10,   1.45,  99.90,   1.35,   0.00,
05/23 19Z,  -0.10,   0.57,  99.90,   0.47,   0.00,
05/23 20Z,  -0.10,  -0.13,  99.90,  -0.23,   0.00,
05/23 21Z,  -0.10,  -0.43,  99.90,  -0.53,   0.00,  (min)
05/23 22Z,   0.00,  -0.27,  99.90,  -0.27,   0.00,
05/23 23Z,  -0.10,   0.34,  99.90,   0.24,   0.00,
05/24 00Z,  -0.10,   1.29,  99.90,   1.19,   0.00,
05/24 01Z,  -0.10,   2.39,  99.90,   2.29,   0.00,
05/24 02Z,  -0.10,   3.37,  99.90,   3.27,   0.00,
05/24 03Z,  -0.10,   3.98,  99.90,   3.88,   0.00,
05/24 04Z,  -0.10,   4.09,  99.90,   3.99,   0.00,  (max)
05/24 05Z,  -0.10,   3.71,  99.90,   3.61,   0.00,
05/24 06Z,   0.00,   2.92,  99.90,   2.92,   0.00,
05/24 07Z,   0.00,   1.86,  99.90,   1.86,   0.00,
05/24 08Z,   0.00,   0.82,  99.90,   0.82,   0.00,
05/24 09Z,   0.00,   0.06,  99.90,   0.06,   0.00,
05/24 10Z,   0.00,  -0.27,  99.90,  -0.27,   0.00,  (min)
05/24 11Z,   0.00,  -0.13,  99.90,  -0.13,   0.00,
05/24 12Z,   0.00,   0.42,  99.90,   0.42,   0.00,
05/24 13Z,   0.00,   1.25,  99.90,   1.25,   0.00,
05/24 14Z,   0.00,   2.12,  99.90,   2.12,   0.00,
05/24 15Z,   0.00,   2.76,  99.90,   2.76,   0.00,
05/24 16Z,   0.00,   3.00,  99.90,   3.00,   0.00,  (max)
05/24 17Z,   0.00,   2.78,  99.90,   2.78,   0.00,
05/24 18Z,   0.00,   2.17,  99.90,   2.17,   0.00,
05/24 19Z,   0.00,   1.29,  99.90,   1.29,   0.00,
05/24 20Z,   0.00,   0.36,  99.90,   0.36,   0.00,
05/24 21Z,  -0.10,  -0.33,  99.90,  -0.43,   0.00,
05/24 22Z,  -0.10,  -0.58,  99.90,  -0.68,   0.00,  (min)
05/24 23Z,  -0.10,  -0.32,  99.90,  -0.42,   0.00,
05/25 00Z,  -0.10,   0.40,  99.90,   0.30,   0.00,
05/25 01Z,  -0.10,   1.46,  99.90,   1.36,   0.00,
05/25 02Z,  -0.20,   2.65,  99.90,   2.45,   0.00,
05/25 03Z,  -0.20,   3.66,  99.90,   3.46,   0.00,
05/25 04Z,  -0.20,   4.23,  99.90,   4.03,   0.00,
05/25 05Z,  -0.20,   4.27,  99.90,   4.07,   0.00,  (max)
05/25 06Z,  -0.20,   3.79,  99.90,   3.59,   0.00,
05/25 07Z,  -0.20,   2.87,  99.90,   2.67,   0.00,
05/25 08Z,  -0.20,   1.72,  99.90,   1.52,   0.00,
05/25 09Z,  -0.20,   0.63,  99.90,   0.43,   0.00,
05/25 10Z,  -0.20,  -0.14,  99.90,  -0.34,   0.00,
05/25 11Z,  -0.20,  -0.42,  99.90,  -0.62,   0.00,  (min)
05/25 12Z,  -0.20,  -0.21,  99.90,  -0.41,   0.00,
05/25 13Z,  -0.20,   0.42,  99.90,   0.22,   0.00,
05/25 14Z,  -0.20,   1.33,  99.90,   1.13,   0.00,
05/25 15Z,  -0.20,   2.23,  99.90,   2.03,   0.00,
05/25 16Z,  -0.20,   2.86,  99.90,   2.66,   0.00,
05/25 17Z,  -0.20,   3.05,  99.90,   2.85,   0.00,  (max)
05/25 18Z,  -0.20,   2.77,  99.90,   2.57,   0.00,
05/25 19Z,  -0.20,   2.08,  99.90,   1.88,   0.00,
05/25 20Z,  -0.10,   1.14,  99.90,   1.04,   0.00,
05/25 21Z,  -0.10,   0.19,  99.90,   0.09,   0.00,
05/25 22Z,  -0.10,  -0.47,  99.90,  -0.57,   0.00,
05/25 23Z,  -0.10,  -0.65,  99.90,  -0.75,   0.00,  (min)
05/26 00Z,  -0.10,  -0.31,  99.90,  -0.41,   0.00,
05/26 01Z,  -0.10,   0.50,  99.90,   0.40,   0.00,
05/26 02Z,  -0.10,   1.64,  99.90,   1.54,   0.00,
05/26 03Z,  -0.10,   2.86,  99.90,   2.76,   0.00,
05/26 04Z,  -0.10,   3.85,  99.90,   3.75,   0.00,
05/26 05Z,  -0.10,   4.37,  99.90,   4.27,   0.00,  (max)
05/26 06Z,  -0.20,   4.33,  99.90,   4.13,   0.00,
05/26 07Z,  -0.20,   3.75,  99.90,   3.55,   0.00,
05/26 08Z,  -0.20,   2.75,  99.90,   2.55,   0.00,
05/26 09Z,  -0.20,   1.55,  99.90,   1.35,   0.00,
05/26 10Z,  -0.20,   0.45,  99.90,   0.25,   0.00,
05/26 11Z,  -0.20,  -0.27,  99.90,  -0.47,   0.00,
05/26 12Z,  -0.20,  -0.50,  99.90,  -0.70,   0.00,  (min)
05/26 13Z,  -0.20,  -0.22,  99.90,  -0.42,   0.00,
05/26 14Z,  -0.20,   0.49,  99.90,   0.29,   0.00,
05/26 15Z,  -0.20,   1.43,  99.90,   1.23,   0.00,
05/26 16Z,  -0.20,   2.34,  99.90,   2.14,   0.00,
05/26 17Z,  -0.20,   2.93,  99.90,   2.73,   0.00,
05/26 18Z,  -0.20,   3.07,  99.90,   2.87,   0.00,  (max)
05/26 19Z,  -0.20,   2.74,  99.90,   2.54,   0.00,
05/26 20Z,  -0.20,   2.00,  99.90,   1.80,   0.00,
05/26 21Z,  -0.20,   1.03,  99.90,   0.83,   0.00,
05/26 22Z,  -0.20,   0.10,  99.90,  -0.10,   0.00,
05/26 23Z,  -0.20,  -0.52,  99.90,  -0.72,   0.00,
05/27 00Z,  -0.20,  -0.64,  99.90,  -0.84,   0.00,  (min)
05/27 01Z,  -0.20,  -0.23,  99.90,  -0.43,   0.00,
05/27 02Z,  -0.20,   0.63,  99.90,   0.43,   0.00,
05/27 03Z,  -0.20,   1.80,  99.90,   1.60,   0.00,
05/27 04Z,  -0.30,   3.00,  99.90,   2.70,   0.00,
05/27 05Z,  -0.20,   3.93,  99.90,   3.73,   0.00,
05/27 06Z,  -0.20,   4.38,  99.90,   4.18,   0.00,  (max)
05/27 07Z,  -0.20,   4.26,  99.90,   4.06,   0.00,
05/27 08Z,  -0.20,   3.62,  99.90,   3.42,   0.00,
05/27 09Z,  -0.20,   2.58,  99.90,   2.38,   0.00,
05/27 10Z,  -0.30,   1.38,  99.90,   1.08,   0.00,
05/27 11Z,  -0.30,   0.32,  99.90,   0.02,   0.00,
05/27 12Z,  -0.30,  -0.34,  99.90,  -0.64,   0.00,
05/27 13Z,  -0.30,  -0.49,  99.90,  -0.79,   0.00,  (min)
05/27 14Z,  -0.30,  -0.16,  99.90,  -0.46,   0.00,
05/27 15Z,  -0.30,   0.59,  99.90,   0.29,   0.00,
05/27 16Z,  -0.30,   1.54,  99.90,   1.24,   0.00,
05/27 17Z,  -0.30,   2.42,  99.90,   2.12,   0.00,
05/27 18Z,  -0.30,   2.97,  99.90,   2.67,   0.00,
05/27 19Z,  -0.30,   3.06,  99.90,   2.76,   0.00,  (max)
05/27 20Z,  -0.30,   2.69,  99.90,   2.39,   0.00,
05/27 21Z,  -0.30,   1.94,  99.90,   1.64,   0.00,
05/27 22Z,  -0.30,   0.99,  99.90,   0.69,   0.00,
05/27 23Z,  -0.30,   0.09,  99.90,  -0.21,   0.00,
05/28 00Z,  -0.30,  -0.46,  99.90,  -0.76,   0.00,
05/28 01Z,  -0.30,  -0.53,  99.90,  -0.83,   0.00,  (min)
05/28 02Z,  -0.30,  -0.10,  99.90,  -0.40,   0.00,
05/28 03Z,  -0.30,   0.77,  99.90,   0.47,   0.00,
05/28 04Z,  -0.30,   1.91,  99.90,   1.61,   0.00,
05/28 05Z,  -0.30,   3.05,  99.90,   2.75,   0.00,
05/28 06Z,  -0.30,   3.89,  99.90,   3.59,   0.00,
05/28 07Z,  -0.30,   4.26,  99.90,   3.96,   0.00,  (max)
05/28 08Z,  -0.30,   4.09,  99.90,   3.79,   0.00,
05/28 09Z,  -0.30,   3.42,  99.90,   3.12,   0.00,
05/28 10Z,  -0.30,   2.38,  99.90,   2.08,   0.00,
05/28 11Z,  -0.40,   1.23,  99.90,   0.83,   0.00,
05/28 12Z,  -0.40,   0.25,  99.90,  -0.15,   0.00,
05/28 13Z,  -0.40,  -0.34,  99.90,  -0.74,   0.00,
05/28 14Z,  -0.40,  -0.43,  99.90,  -0.83,   0.00,  (min)
05/28 15Z,  -0.40,  -0.06,  99.90,  -0.46,   0.00,
05/28 16Z,  -0.40,   0.70,  99.90,   0.30,   0.00,
05/28 17Z,  -0.40,   1.64,  99.90,   1.24,   0.00,
05/28 18Z,  -0.40,   2.47,  99.90,   2.07,   0.00,
05/28 19Z,  -0.40,   2.97,  99.90,   2.57,   0.00,
05/28 20Z,  -0.40,   3.04,  99.90,   2.64,   0.00,  (max)
05/28 21Z,  -0.30,   2.67,  99.90,   2.37,   0.00,
05/28 22Z,  -0.30,   1.93,  99.90,   1.63,   0.00,
05/28 23Z,  -0.40,   1.02,  99.90,   0.62,   0.00,
05/29 00Z,  -0.40,   0.18,  99.90,  -0.22,   0.00,
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