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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 : 02/18/2018 17:19:59 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/17 00Z,  -0.10,   1.38,   1.58,  99.90,   0.30,
02/17 01Z,  -0.10,   2.06,   2.33,  99.90,   0.37,
02/17 02Z,  -0.10,   2.58,   2.88,  99.90,   0.40,
02/17 03Z,  -0.10,   2.77,   3.06,  99.90,   0.39,  (max)
02/17 04Z,   0.00,   2.56,   2.79,  99.90,   0.23,
02/17 05Z,   0.00,   2.05,   2.40,  99.90,   0.35,
02/17 06Z,   0.00,   1.37,   1.97,  99.90,   0.60,
02/17 07Z,   0.00,   0.65,   1.39,  99.90,   0.74,
02/17 08Z,   0.00,   0.07,   0.86,  99.90,   0.79,
02/17 09Z,   0.00,  -0.17,   0.45,  99.90,   0.62,  (min)
02/17 10Z,   0.00,   0.04,   0.56,  99.90,   0.52,
02/17 11Z,   0.00,   0.59,   1.22,  99.90,   0.63,
02/17 12Z,   0.00,   1.31,   1.97,  99.90,   0.66,
02/17 13Z,   0.00,   2.06,   2.60,  99.90,   0.54,
02/17 14Z,   0.00,   2.69,   3.15,  99.90,   0.46,
02/17 15Z,   0.00,   3.03,   3.35,  99.90,   0.32,  (max)
02/17 16Z,   0.00,   2.95,   3.30,  99.90,   0.35,
02/17 17Z,   0.00,   2.50,   2.94,  99.90,   0.44,
02/17 18Z,   0.00,   1.80,   2.25,  99.90,   0.45,
02/17 19Z,   0.00,   1.01,   1.43,  99.90,   0.42,
02/17 20Z,  -0.10,   0.30,   0.67,  99.90,   0.47,
02/17 21Z,  -0.10,  -0.12,   0.21,  99.90,   0.43,  (min)
02/17 22Z,  -0.10,  -0.09,   0.25,  99.90,   0.44,
02/17 23Z,  -0.10,   0.33,   0.83,  99.90,   0.60,
02/18 00Z,  -0.10,   0.99,   1.74,  99.90,   0.85,
02/18 01Z,  -0.10,   1.70,   2.42,  99.90,   0.82,
02/18 02Z,  -0.10,   2.34,   2.93,  99.90,   0.69,
02/18 03Z,  -0.10,   2.76,   3.25,  99.90,   0.59,  (max)
02/18 04Z,  -0.10,   2.80,   3.24,  99.90,   0.54,
02/18 05Z,  -0.10,   2.46,   2.87,  99.90,   0.51,
02/18 06Z,  -0.10,   1.85,   2.24,  99.90,   0.49,
02/18 07Z,  -0.10,   1.12,   1.56,  99.90,   0.54,
02/18 08Z,  -0.10,   0.43,   0.87,  99.90,   0.54,
02/18 09Z,  -0.10,  -0.04,   0.36,  99.90,   0.50,
02/18 10Z,  -0.10,  -0.12,   0.35,  99.90,   0.57,  (min)
02/18 11Z,  -0.10,   0.22,   0.65,  99.90,   0.53,
02/18 12Z,   0.00,   0.85,   1.28,  99.90,   0.43,
02/18 13Z,   0.00,   1.58,   2.12,  99.90,   0.54,
02/18 14Z,   0.00,   2.29,   2.75,  99.90,   0.46,
02/18 15Z,   0.00,   2.82,   3.11,  99.90,   0.29,
02/18 16Z,   0.00,   3.02,   3.44,  99.90,   0.42,  (max)
02/18 17Z,   0.00,   2.78,   3.38,  99.90,   0.60,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/18 18Z,   0.00,   2.20,  99.90,   2.78,   0.58,
02/18 19Z,   0.00,   1.44,  99.90,   2.01,   0.57,
02/18 20Z,   0.00,   0.67,  99.90,   1.23,   0.56,
02/18 21Z,   0.00,   0.07,  99.90,   0.61,   0.54,
02/18 22Z,   0.00,  -0.17,  99.90,   0.36,   0.53,  (min)
02/18 23Z,   0.00,   0.03,  99.90,   0.55,   0.51,
02/19 00Z,   0.00,   0.59,  99.90,   1.09,   0.50,
02/19 01Z,   0.00,   1.30,  99.90,   1.78,   0.49,
02/19 02Z,  -0.10,   2.00,  99.90,   2.38,   0.47,
02/19 03Z,  -0.10,   2.58,  99.90,   2.94,   0.46,
02/19 04Z,  -0.20,   2.88,  99.90,   3.12,   0.44,  (max)
02/19 05Z,  -0.20,   2.78,  99.90,   3.01,   0.43,
02/19 06Z,  -0.20,   2.31,  99.90,   2.54,   0.43,
02/19 07Z,  -0.20,   1.63,  99.90,   1.86,   0.43,
02/19 08Z,  -0.30,   0.90,  99.90,   1.03,   0.43,
02/19 09Z,  -0.30,   0.29,  99.90,   0.42,   0.43,
02/19 10Z,  -0.30,  -0.05,  99.90,   0.08,   0.43,  (min)
02/19 11Z,  -0.30,   0.00,  99.90,   0.13,   0.43,
02/19 12Z,  -0.30,   0.44,  99.90,   0.57,   0.43,
02/19 13Z,  -0.40,   1.09,  99.90,   1.12,   0.43,
02/19 14Z,  -0.40,   1.80,  99.90,   1.83,   0.43,
02/19 15Z,  -0.40,   2.44,  99.90,   2.47,   0.43,
02/19 16Z,  -0.40,   2.87,  99.90,   2.90,   0.43,
02/19 17Z,  -0.40,   2.92,  99.90,   2.95,   0.43,  (max)
02/19 18Z,  -0.40,   2.54,  99.90,   2.57,   0.43,
02/19 19Z,  -0.40,   1.87,  99.90,   1.90,   0.43,
02/19 20Z,  -0.40,   1.10,  99.90,   1.13,   0.43,
02/19 21Z,  -0.50,   0.41,  99.90,   0.34,   0.43,
02/19 22Z,  -0.50,  -0.05,  99.90,  -0.12,   0.43,
02/19 23Z,  -0.50,  -0.13,  99.90,  -0.20,   0.43,  (min)
02/20 00Z,  -0.50,   0.21,  99.90,   0.14,   0.43,
02/20 01Z,  -0.50,   0.85,  99.90,   0.78,   0.43,
02/20 02Z,  -0.50,   1.58,  99.90,   1.51,   0.43,
02/20 03Z,  -0.50,   2.26,  99.90,   2.19,   0.43,
02/20 04Z,  -0.50,   2.77,  99.90,   2.70,   0.43,
02/20 05Z,  -0.50,   2.95,  99.90,   2.88,   0.43,  (max)
02/20 06Z,  -0.60,   2.72,  99.90,   2.55,   0.43,
02/20 07Z,  -0.60,   2.15,  99.90,   1.98,   0.43,
02/20 08Z,  -0.60,   1.44,  99.90,   1.27,   0.43,
02/20 09Z,  -0.60,   0.76,  99.90,   0.59,   0.43,
02/20 10Z,  -0.70,   0.24,  99.90,  -0.03,   0.43,
02/20 11Z,  -0.70,   0.00,  99.90,  -0.27,   0.43,  (min)
02/20 12Z,  -0.70,   0.15,  99.90,  -0.12,   0.43,
02/20 13Z,  -0.70,   0.62,  99.90,   0.35,   0.43,
02/20 14Z,  -0.80,   1.27,  99.90,   0.90,   0.43,
02/20 15Z,  -0.80,   1.95,  99.90,   1.58,   0.43,
02/20 16Z,  -0.80,   2.52,  99.90,   2.15,   0.43,
02/20 17Z,  -0.80,   2.84,  99.90,   2.47,   0.43,  (max)
02/20 18Z,  -0.80,   2.76,  99.90,   2.39,   0.43,
02/20 19Z,  -0.80,   2.28,  99.90,   1.90,   0.43,
02/20 20Z,  -0.80,   1.57,  99.90,   1.20,   0.43,
02/20 21Z,  -0.90,   0.84,  99.90,   0.37,   0.43,
02/20 22Z,  -0.90,   0.25,  99.90,  -0.22,   0.43,
02/20 23Z,  -0.90,  -0.08,  99.90,  -0.55,   0.43,  (min)
02/21 00Z,  -0.90,  -0.04,  99.90,  -0.51,   0.43,
02/21 01Z,  -0.90,   0.40,  99.90,  -0.08,   0.43,
02/21 02Z,  -0.90,   1.07,  99.90,   0.60,   0.43,
02/21 03Z,  -0.90,   1.81,  99.90,   1.34,   0.43,
02/21 04Z,  -0.90,   2.46,  99.90,   1.99,   0.43,
02/21 05Z,  -1.00,   2.90,  99.90,   2.33,   0.43,
02/21 06Z,  -1.00,   2.97,  99.90,   2.40,   0.43,  (max)
02/21 07Z,  -1.00,   2.63,  99.90,   2.06,   0.43,
02/21 08Z,  -1.00,   2.02,  99.90,   1.45,   0.43,
02/21 09Z,  -1.10,   1.33,  99.90,   0.66,   0.43,
02/21 10Z,  -1.10,   0.72,  99.90,   0.05,   0.43,
02/21 11Z,  -1.10,   0.27,  99.90,  -0.40,   0.43,
02/21 12Z,  -1.10,   0.10,  99.90,  -0.57,   0.43,  (min)
02/21 13Z,  -1.10,   0.27,  99.90,  -0.40,   0.43,
02/21 14Z,  -1.10,   0.75,  99.90,   0.08,   0.43,
02/21 15Z,  -1.10,   1.38,  99.90,   0.71,   0.43,
02/21 16Z,  -1.10,   2.02,  99.90,   1.35,   0.43,
02/21 17Z,  -1.20,   2.53,  99.90,   1.76,   0.43,
02/21 18Z,  -1.20,   2.76,  99.90,   1.99,   0.43,  (max)
02/21 19Z,  -1.20,   2.57,  99.90,   1.80,   0.43,
02/21 20Z,  -1.20,   2.04,  99.90,   1.27,   0.43,
02/21 21Z,  -1.20,   1.35,  99.90,   0.58,   0.43,
02/21 22Z,  -1.20,   0.70,  99.90,  -0.07,   0.43,
02/21 23Z,  -1.10,   0.19,  99.90,  -0.48,   0.43,
02/22 00Z,  -1.10,  -0.06,  99.90,  -0.73,   0.43,  (min)
02/22 01Z,  -1.10,   0.06,  99.90,  -0.61,   0.43,
02/22 02Z,  -1.10,   0.53,  99.90,  -0.14,   0.43,
02/22 03Z,  -1.10,   1.23,  99.90,   0.56,   0.43,
02/22 04Z,  -1.20,   1.96,  99.90,   1.19,   0.43,
02/22 05Z,  -1.20,   2.58,  99.90,   1.81,   0.43,
02/22 06Z,  -1.20,   2.96,  99.90,   2.19,   0.43,  (max)
02/22 07Z,  -1.20,   2.95,  99.90,   2.18,   0.43,
02/22 08Z,  -1.30,   2.56,  99.90,   1.69,   0.43,
02/22 09Z,  -1.30,   1.96,  99.90,   1.09,   0.43,
02/22 10Z,  -1.30,   1.33,  99.90,   0.46,   0.43,
02/22 11Z,  -1.30,   0.76,  99.90,  -0.11,   0.43,
02/22 12Z,  -1.30,   0.34,  99.90,  -0.53,   0.43,

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