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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 : 12/17/2017 21:19:40 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
12/16 06Z,   0.00,  -0.17,   0.00,  99.90,   0.17,
12/16 07Z,   0.00,  -0.18,   0.02,  99.90,   0.20,  (min)
12/16 08Z,   0.00,   0.14,   0.23,  99.90,   0.09,
12/16 09Z,   0.00,   0.73,   0.87,  99.90,   0.14,
12/16 10Z,   0.00,   1.50,   1.57,  99.90,   0.07,
12/16 11Z,   0.00,   2.27,   2.18,  99.90,  -0.09,
12/16 12Z,   0.00,   2.82,   2.70,  99.90,  -0.12,
12/16 13Z,   0.00,   2.99,   2.87,  99.90,  -0.12,  (max)
12/16 14Z,   0.00,   2.79,   2.70,  99.90,  -0.09,
12/16 15Z,   0.00,   2.29,   2.23,  99.90,  -0.06,
12/16 16Z,   0.00,   1.58,   1.59,  99.90,   0.01,
12/16 17Z,  -0.10,   0.79,   0.82,  99.90,   0.13,
12/16 18Z,  -0.10,   0.16,   0.05,  99.90,  -0.01,
12/16 19Z,  -0.10,  -0.15,  -0.35,  99.90,  -0.10,  (min)
12/16 20Z,  -0.10,  -0.09,  -0.21,  99.90,  -0.02,
12/16 21Z,  -0.20,   0.29,   0.11,  99.90,   0.02,
12/16 22Z,  -0.20,   0.90,   0.43,  99.90,  -0.27,
12/16 23Z,  -0.30,   1.61,   0.98,  99.90,  -0.33,
12/17 00Z,  -0.30,   2.20,   1.65,  99.90,  -0.25,
12/17 01Z,  -0.30,   2.45,   1.97,  99.90,  -0.18,  (max)
12/17 02Z,  -0.40,   2.33,   1.72,  99.90,  -0.21,
12/17 03Z,  -0.40,   1.92,   1.17,  99.90,  -0.35,
12/17 04Z,  -0.40,   1.31,   0.64,  99.90,  -0.27,
12/17 05Z,  -0.50,   0.62,   0.05,  99.90,  -0.07,
12/17 06Z,  -0.50,   0.05,  -0.49,  99.90,  -0.04,
12/17 07Z,  -0.50,  -0.23,  -0.71,  99.90,   0.02,  (min)
12/17 08Z,  -0.50,  -0.12,  -0.56,  99.90,   0.06,
12/17 09Z,  -0.50,   0.32,  -0.25,  99.90,  -0.07,
12/17 10Z,  -0.50,   0.98,   0.25,  99.90,  -0.23,
12/17 11Z,  -0.50,   1.78,   1.11,  99.90,  -0.17,
12/17 12Z,  -0.50,   2.50,   1.89,  99.90,  -0.11,
12/17 13Z,  -0.50,   2.94,   2.32,  99.90,  -0.12,  (max)
12/17 14Z,  -0.40,   2.97,   2.30,  99.90,  -0.27,
12/17 15Z,  -0.40,   2.65,   2.03,  99.90,  -0.22,
12/17 16Z,  -0.40,   2.06,   1.50,  99.90,  -0.16,
12/17 17Z,  -0.40,   1.30,   0.71,  99.90,  -0.19,
12/17 18Z,  -0.40,   0.54,  -0.10,  99.90,  -0.24,
12/17 19Z,  -0.40,  -0.01,  -0.56,  99.90,  -0.15,
12/17 20Z,  -0.40,  -0.20,  -0.65,  99.90,  -0.05,  (min)
12/17 21Z,  -0.40,  -0.01,  -0.43,  99.90,  -0.02,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
12/17 22Z,  -0.40,   0.47,  99.90,   0.05,  -0.01,
12/17 23Z,  -0.40,   1.13,  99.90,   0.73,  -0.00,
12/18 00Z,  -0.40,   1.82,  99.90,   1.43,   0.01,
12/18 01Z,  -0.40,   2.32,  99.90,   1.93,   0.02,
12/18 02Z,  -0.40,   2.45,  99.90,   2.08,   0.02,  (max)
12/18 03Z,  -0.40,   2.22,  99.90,   1.85,   0.03,
12/18 04Z,  -0.40,   1.73,  99.90,   1.37,   0.04,
12/18 05Z,  -0.40,   1.08,  99.90,   0.73,   0.05,
12/18 06Z,  -0.40,   0.41,  99.90,   0.07,   0.06,
12/18 07Z,  -0.40,  -0.09,  99.90,  -0.42,   0.07,
12/18 08Z,  -0.40,  -0.23,  99.90,  -0.55,   0.08,  (min)
12/18 09Z,  -0.40,   0.02,  99.90,  -0.30,   0.09,
12/18 10Z,  -0.40,   0.55,  99.90,   0.24,   0.09,
12/18 11Z,  -0.40,   1.27,  99.90,   0.96,   0.09,
12/18 12Z,  -0.40,   2.05,  99.90,   1.74,   0.09,
12/18 13Z,  -0.40,   2.69,  99.90,   2.37,   0.09,
12/18 14Z,  -0.40,   2.98,  99.90,   2.67,   0.09,  (max)
12/18 15Z,  -0.40,   2.87,  99.90,   2.56,   0.09,
12/18 16Z,  -0.40,   2.44,  99.90,   2.13,   0.09,
12/18 17Z,  -0.40,   1.78,  99.90,   1.47,   0.09,
12/18 18Z,  -0.40,   1.00,  99.90,   0.69,   0.09,
12/18 19Z,  -0.40,   0.29,  99.90,  -0.02,   0.09,
12/18 20Z,  -0.40,  -0.14,  99.90,  -0.45,   0.09,  (min)
12/18 21Z,  -0.30,  -0.17,  99.90,  -0.38,   0.09,
12/18 22Z,  -0.30,   0.15,  99.90,  -0.06,   0.09,
12/18 23Z,  -0.30,   0.70,  99.90,   0.49,   0.09,
12/19 00Z,  -0.30,   1.38,  99.90,   1.17,   0.09,
12/19 01Z,  -0.30,   2.01,  99.90,   1.80,   0.09,
12/19 02Z,  -0.30,   2.39,  99.90,   2.18,   0.09,
12/19 03Z,  -0.30,   2.39,  99.90,   2.18,   0.09,  (max)
12/19 04Z,  -0.30,   2.06,  99.90,   1.85,   0.09,
12/19 05Z,  -0.30,   1.50,  99.90,   1.29,   0.09,
12/19 06Z,  -0.30,   0.84,  99.90,   0.62,   0.09,
12/19 07Z,  -0.30,   0.21,  99.90,  -0.00,   0.09,
12/19 08Z,  -0.30,  -0.17,  99.90,  -0.38,   0.09,  (min)
12/19 09Z,  -0.30,  -0.16,  99.90,  -0.37,   0.09,
12/19 10Z,  -0.30,   0.22,  99.90,   0.01,   0.09,
12/19 11Z,  -0.30,   0.84,  99.90,   0.63,   0.09,
12/19 12Z,  -0.30,   1.57,  99.90,   1.36,   0.09,
12/19 13Z,  -0.30,   2.28,  99.90,   2.07,   0.09,
12/19 14Z,  -0.30,   2.80,  99.90,   2.58,   0.09,
12/19 15Z,  -0.30,   2.94,  99.90,   2.73,   0.09,  (max)
12/19 16Z,  -0.30,   2.70,  99.90,   2.49,   0.09,
12/19 17Z,  -0.30,   2.17,  99.90,   1.96,   0.09,
12/19 18Z,  -0.30,   1.47,  99.90,   1.25,   0.09,
12/19 19Z,  -0.30,   0.71,  99.90,   0.49,   0.09,
12/19 20Z,  -0.30,   0.09,  99.90,  -0.12,   0.09,
12/19 21Z,  -0.40,  -0.18,  99.90,  -0.49,   0.09,  (min)
12/19 22Z,  -0.40,  -0.05,  99.90,  -0.36,   0.09,
12/19 23Z,  -0.40,   0.37,  99.90,   0.06,   0.09,
12/20 00Z,  -0.40,   0.96,  99.90,   0.65,   0.09,
12/20 01Z,  -0.40,   1.61,  99.90,   1.30,   0.09,
12/20 02Z,  -0.40,   2.15,  99.90,   1.84,   0.09,
12/20 03Z,  -0.50,   2.40,  99.90,   1.99,   0.09,  (max)
12/20 04Z,  -0.50,   2.28,  99.90,   1.87,   0.09,
12/20 05Z,  -0.50,   1.86,  99.90,   1.45,   0.09,
12/20 06Z,  -0.50,   1.26,  99.90,   0.85,   0.09,
12/20 07Z,  -0.50,   0.60,  99.90,   0.19,   0.09,
12/20 08Z,  -0.50,   0.06,  99.90,  -0.35,   0.09,
12/20 09Z,  -0.50,  -0.17,  99.90,  -0.58,   0.09,  (min)
12/20 10Z,  -0.50,  -0.00,  99.90,  -0.41,   0.09,
12/20 11Z,  -0.50,   0.48,  99.90,   0.07,   0.09,
12/20 12Z,  -0.50,   1.13,  99.90,   0.72,   0.09,
12/20 13Z,  -0.40,   1.83,  99.90,   1.52,   0.09,
12/20 14Z,  -0.40,   2.46,  99.90,   2.14,   0.09,
12/20 15Z,  -0.40,   2.83,  99.90,   2.52,   0.09,
12/20 16Z,  -0.40,   2.84,  99.90,   2.53,   0.09,  (max)
12/20 17Z,  -0.30,   2.47,  99.90,   2.26,   0.09,
12/20 18Z,  -0.30,   1.87,  99.90,   1.66,   0.09,
12/20 19Z,  -0.30,   1.14,  99.90,   0.93,   0.09,
12/20 20Z,  -0.30,   0.44,  99.90,   0.23,   0.09,
12/20 21Z,  -0.20,  -0.04,  99.90,  -0.15,   0.09,
12/20 22Z,  -0.20,  -0.14,  99.90,  -0.25,   0.09,  (min)
12/20 23Z,  -0.20,   0.13,  99.90,   0.02,   0.09,
12/21 00Z,  -0.10,   0.62,  99.90,   0.61,   0.09,
12/21 01Z,  -0.10,   1.22,  99.90,   1.21,   0.09,
12/21 02Z,  -0.10,   1.81,  99.90,   1.80,   0.09,
12/21 03Z,  -0.10,   2.25,  99.90,   2.23,   0.09,
12/21 04Z,  -0.10,   2.37,  99.90,   2.36,   0.09,  (max)
12/21 05Z,  -0.10,   2.13,  99.90,   2.12,   0.09,
12/21 06Z,   0.00,   1.63,  99.90,   1.72,   0.09,
12/21 07Z,   0.00,   1.01,  99.90,   1.10,   0.09,
12/21 08Z,   0.00,   0.41,  99.90,   0.50,   0.09,
12/21 09Z,   0.00,  -0.01,  99.90,   0.08,   0.09,
12/21 10Z,   0.00,  -0.09,  99.90,   0.00,   0.09,  (min)
12/21 11Z,   0.00,   0.21,  99.90,   0.30,   0.09,
12/21 12Z,   0.00,   0.76,  99.90,   0.85,   0.09,
12/21 13Z,  99.90,   1.40,  99.90,  99.90,   0.09,
12/21 14Z,  99.90,   2.04,  99.90,  99.90,   0.09,
12/21 15Z,  99.90,   2.57,  99.90,  99.90,   0.09,
12/21 16Z,  99.90,   2.81,  99.90,  99.90,   0.09,
12/21 17Z,  99.90,   2.67,  99.90,  99.90,   0.09,
12/21 18Z,  99.90,   2.20,  99.90,  99.90,   0.09,

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