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PLEASE NOTE that zero is now at Mean Lower Low Water (MLLW).
This is the old default datum.
#Portsmouth (Money Point), VA : 04/30/2017 02:20:30 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/28 06Z,  -0.40,   2.17,   2.32,  99.90,   0.55,
04/28 07Z,  -0.50,   1.19,   1.27,  99.90,   0.58,
04/28 08Z,  -0.50,   0.29,   0.44,  99.90,   0.65,
04/28 09Z,  -0.50,  -0.28,  -0.02,  99.90,   0.76,  (min)
04/28 10Z,  -0.50,  -0.33,   0.03,  99.90,   0.86,
04/28 11Z,  -0.60,   0.11,   0.45,  99.90,   0.94,
04/28 12Z,  -0.50,   0.88,   1.00,  99.90,   0.62,
04/28 13Z,  -0.50,   1.79,   1.87,  99.90,   0.58,
04/28 14Z,  -0.50,   2.63,   2.82,  99.90,   0.69,
04/28 15Z,  -0.50,   3.19,   3.41,  99.90,   0.72,
04/28 16Z,  -0.50,   3.27,   3.46,  99.90,   0.69,  (max)
04/28 17Z,  -0.50,   2.87,   2.96,  99.90,   0.59,
04/28 18Z,  -0.40,   2.13,   2.08,  99.90,   0.35,
04/28 19Z,  -0.40,   1.24,   1.20,  99.90,   0.36,
04/28 20Z,  -0.40,   0.39,   0.45,  99.90,   0.46,
04/28 21Z,  -0.40,  -0.19,  -0.05,  99.90,   0.54,
04/28 22Z,  -0.40,  -0.29,  -0.17,  99.90,   0.52,  (min)
04/28 23Z,  -0.40,   0.14,   0.28,  99.90,   0.54,
04/29 00Z,  -0.40,   0.93,   1.13,  99.90,   0.60,
04/29 01Z,  -0.40,   1.88,   2.16,  99.90,   0.68,
04/29 02Z,  -0.40,   2.81,   3.05,  99.90,   0.64,
04/29 03Z,  -0.40,   3.50,   3.59,  99.90,   0.49,
04/29 04Z,  -0.40,   3.77,   3.77,  99.90,   0.40,  (max)
04/29 05Z,  -0.40,   3.54,   3.52,  99.90,   0.38,
04/29 06Z,  -0.40,   2.90,   2.82,  99.90,   0.32,
04/29 07Z,  -0.40,   2.03,   1.87,  99.90,   0.24,
04/29 08Z,  -0.50,   1.08,   0.90,  99.90,   0.32,
04/29 09Z,  -0.50,   0.26,   0.08,  99.90,   0.32,
04/29 10Z,  -0.50,  -0.21,  -0.34,  99.90,   0.37,  (min)
04/29 11Z,  -0.60,  -0.20,  -0.29,  99.90,   0.51,
04/29 12Z,  -0.50,   0.26,   0.10,  99.90,   0.34,
04/29 13Z,  -0.50,   1.00,   0.68,  99.90,   0.18,
04/29 14Z,  -0.50,   1.86,   1.63,  99.90,   0.27,
04/29 15Z,  -0.50,   2.66,   2.53,  99.90,   0.37,
04/29 16Z,  -0.60,   3.15,   2.94,  99.90,   0.39,  (max)
04/29 17Z,  -0.60,   3.17,   2.82,  99.90,   0.25,
04/29 18Z,  -0.50,   2.73,   2.40,  99.90,   0.17,
04/29 19Z,  -0.50,   2.00,   1.75,  99.90,   0.25,
04/29 20Z,  -0.50,   1.15,   0.85,  99.90,   0.20,
04/29 21Z,  -0.50,   0.37,   0.01,  99.90,   0.14,
04/29 22Z,  -0.50,  -0.12,  -0.41,  99.90,   0.21,  (min)
04/29 23Z,  -0.50,  -0.14,  -0.31,  99.90,   0.33,
04/30 00Z,  -0.50,   0.30,   0.04,  99.90,   0.24,
04/30 01Z,  -0.50,   1.05,   0.76,  99.90,   0.21,
04/30 02Z,  -0.50,   1.94,   1.78,  99.90,   0.34,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/30 03Z,  -0.50,   2.80,  99.90,   2.68,   0.38,
04/30 04Z,  -0.50,   3.43,  99.90,   3.35,   0.41,
04/30 05Z,  -0.50,   3.64,  99.90,   3.59,   0.45,  (max)
04/30 06Z,  -0.50,   3.37,  99.90,   3.35,   0.48,
04/30 07Z,  -0.50,   2.74,  99.90,   2.75,   0.52,
04/30 08Z,  -0.50,   1.91,  99.90,   1.96,   0.55,
04/30 09Z,  -0.50,   1.04,  99.90,   1.13,   0.58,
04/30 10Z,  -0.50,   0.31,  99.90,   0.43,   0.62,
04/30 11Z,  -0.50,  -0.08,  99.90,   0.07,   0.65,  (min)
04/30 12Z,  -0.50,  -0.03,  99.90,   0.15,   0.69,
04/30 13Z,  -0.40,   0.40,  99.90,   0.72,   0.72,
04/30 14Z,  -0.40,   1.09,  99.90,   1.44,   0.75,
04/30 15Z,  -0.30,   1.90,  99.90,   2.36,   0.75,
04/30 16Z,  -0.30,   2.65,  99.90,   3.10,   0.75,
04/30 17Z,  -0.30,   3.08,  99.90,   3.54,   0.75,  (max)
04/30 18Z,  -0.30,   3.05,  99.90,   3.51,   0.75,
04/30 19Z,  -0.30,   2.60,  99.90,   3.06,   0.75,
04/30 20Z,  -0.30,   1.91,  99.90,   2.36,   0.75,
04/30 21Z,  -0.30,   1.13,  99.90,   1.59,   0.75,
04/30 22Z,  -0.30,   0.44,  99.90,   0.89,   0.75,
04/30 23Z,  -0.30,   0.02,  99.90,   0.48,   0.75,
05/01 00Z,  -0.30,   0.02,  99.90,   0.48,   0.75,  (min)
05/01 01Z,  -0.30,   0.42,  99.90,   0.88,   0.75,
05/01 02Z,  -0.30,   1.10,  99.90,   1.56,   0.75,
05/01 03Z,  -0.30,   1.92,  99.90,   2.37,   0.75,
05/01 04Z,  -0.30,   2.72,  99.90,   3.18,   0.75,
05/01 05Z,  -0.30,   3.30,  99.90,   3.75,   0.75,
05/01 06Z,  -0.40,   3.45,  99.90,   3.81,   0.75,  (max)
05/01 07Z,  -0.50,   3.17,  99.90,   3.42,   0.75,
05/01 08Z,  -0.50,   2.58,  99.90,   2.83,   0.75,
05/01 09Z,  -0.50,   1.84,  99.90,   2.10,   0.75,
05/01 10Z,  -0.60,   1.07,  99.90,   1.23,   0.75,
05/01 11Z,  -0.60,   0.42,  99.90,   0.58,   0.75,
05/01 12Z,  -0.60,   0.08,  99.90,   0.23,   0.75,  (min)
05/01 13Z,  -0.60,   0.12,  99.90,   0.27,   0.75,
05/01 14Z,  -0.60,   0.50,  99.90,   0.66,   0.75,
05/01 15Z,  -0.60,   1.14,  99.90,   1.30,   0.75,
05/01 16Z,  -0.60,   1.92,  99.90,   2.07,   0.75,
05/01 17Z,  -0.70,   2.61,  99.90,   2.67,   0.75,
05/01 18Z,  -0.70,   3.00,  99.90,   3.05,   0.75,  (max)
05/01 19Z,  -0.70,   2.94,  99.90,   2.99,   0.75,
05/01 20Z,  -0.80,   2.51,  99.90,   2.47,   0.75,
05/01 21Z,  -0.80,   1.89,  99.90,   1.84,   0.75,
05/01 22Z,  -0.80,   1.20,  99.90,   1.16,   0.75,
05/01 23Z,  -0.90,   0.58,  99.90,   0.43,   0.75,
05/02 00Z,  -0.90,   0.19,  99.90,   0.04,   0.75,
05/02 01Z,  -0.90,   0.16,  99.90,   0.02,   0.75,  (min)
05/02 02Z,  -0.90,   0.50,  99.90,   0.35,   0.75,
05/02 03Z,  -0.90,   1.10,  99.90,   0.95,   0.75,
05/02 04Z,  -1.00,   1.85,  99.90,   1.61,   0.75,
05/02 05Z,  -1.00,   2.60,  99.90,   2.36,   0.75,
05/02 06Z,  -1.10,   3.12,  99.90,   2.78,   0.75,
05/02 07Z,  -1.20,   3.24,  99.90,   2.80,   0.75,  (max)
05/02 08Z,  -1.20,   2.98,  99.90,   2.54,   0.75,
05/02 09Z,  -1.20,   2.47,  99.90,   2.03,   0.75,
05/02 10Z,  -1.20,   1.83,  99.90,   1.39,   0.75,
05/02 11Z,  -1.20,   1.14,  99.90,   0.70,   0.75,
05/02 12Z,  -1.10,   0.54,  99.90,   0.20,   0.75,
05/02 13Z,  -1.10,   0.20,  99.90,  -0.14,   0.75,  (min)
05/02 14Z,  -1.00,   0.22,  99.90,  -0.02,   0.75,
05/02 15Z,  -1.00,   0.57,  99.90,   0.33,   0.75,
05/02 16Z,  -1.00,   1.18,  99.90,   0.93,   0.75,
05/02 17Z,  -0.90,   1.91,  99.90,   1.77,   0.75,
05/02 18Z,  -0.90,   2.57,  99.90,   2.42,   0.75,
05/02 19Z,  -0.90,   2.91,  99.90,   2.76,   0.75,  (max)
05/02 20Z,  -0.90,   2.85,  99.90,   2.71,   0.75,
05/02 21Z,  -0.90,   2.49,  99.90,   2.34,   0.75,
05/02 22Z,  -0.90,   1.95,  99.90,   1.80,   0.75,
05/02 23Z,  -0.90,   1.32,  99.90,   1.18,   0.75,
05/03 00Z,  -0.90,   0.72,  99.90,   0.58,   0.75,
05/03 01Z,  -0.90,   0.32,  99.90,   0.17,   0.75,
05/03 02Z,  -0.90,   0.25,  99.90,   0.10,   0.75,  (min)
05/03 03Z,  -0.90,   0.52,  99.90,   0.37,   0.75,
05/03 04Z,  -0.80,   1.06,  99.90,   1.01,   0.75,
05/03 05Z,  -0.80,   1.76,  99.90,   1.72,   0.75,
05/03 06Z,  -0.80,   2.46,  99.90,   2.42,   0.75,
05/03 07Z,  -0.80,   2.94,  99.90,   2.89,   0.75,
05/03 08Z,  -0.80,   3.06,  99.90,   3.01,   0.75,  (max)
05/03 09Z,  -0.80,   2.85,  99.90,   2.80,   0.75,
05/03 10Z,  -0.80,   2.42,  99.90,   2.38,   0.75,
05/03 11Z,  -0.70,   1.86,  99.90,   1.91,   0.75,
05/03 12Z,  -0.70,   1.21,  99.90,   1.27,   0.75,
05/03 13Z,  -0.70,   0.62,  99.90,   0.68,   0.75,
05/03 14Z,  -0.60,   0.28,  99.90,   0.43,   0.75,  (min)
05/03 15Z,  -0.50,   0.28,  99.90,   0.53,   0.75,
05/03 16Z,  -0.50,   0.61,  99.90,   0.87,   0.75,
05/03 17Z,  -0.40,   1.20,  99.90,   1.55,   0.75,
05/03 18Z,  -0.40,   1.91,  99.90,   2.26,   0.75,

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