EXTRA-TROPICAL  STORM  SURGE  2.3
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#Port Heiden, AK : 01/31/2023 22:21:25 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/30 06Z,   0.40,  -0.86,  99.90,  -0.46,   0.00,  (max)
01/30 07Z,   0.50,  -1.37,  99.90,  -0.87,   0.00,
01/30 08Z,   0.50,  -2.67,  99.90,  -2.17,   0.00,
01/30 09Z,   0.50,  -5.01,  99.90,  -4.51,   0.00,
01/30 10Z,   0.60,  -8.34,  99.90,  -7.74,   0.00,
01/30 11Z,   0.60, -11.87,  99.90, -11.27,   0.00,
01/30 12Z,   0.80, -14.04,  99.90, -13.24,   0.00,  (min)
01/30 13Z,   0.80, -13.54,  99.90, -12.74,   0.00,
01/30 14Z,   0.80, -10.62,  99.90,  -9.82,   0.00,
01/30 15Z,   0.80,  -6.78,  99.90,  -5.98,   0.00,
01/30 16Z,   0.90,  -3.44,  99.90,  -2.54,   0.00,
01/30 17Z,   0.90,  -1.28,  99.90,  -0.38,   0.00,
01/30 18Z,   1.00,  -0.27,  99.90,   0.73,   0.00,
01/30 19Z,   1.00,  -0.01,  99.90,   0.99,   0.00,  (max)
01/30 20Z,   1.00,  -0.06,  99.90,   0.94,   0.00,
01/30 21Z,   1.00,  -0.41,  99.90,   0.59,   0.00,
01/30 22Z,   0.90,  -1.46,  99.90,  -0.56,   0.00,
01/30 23Z,   0.90,  -3.30,  99.90,  -2.40,   0.00,
01/31 00Z,   0.90,  -5.25,  99.90,  -4.35,   0.00,
01/31 01Z,   0.80,  -6.04,  99.90,  -5.24,   0.00,  (min)
01/31 02Z,   0.80,  -5.20,  99.90,  -4.40,   0.00,
01/31 03Z,   0.80,  -3.54,  99.90,  -2.74,   0.00,
01/31 04Z,   0.70,  -2.19,  99.90,  -1.49,   0.00,
01/31 05Z,   0.60,  -1.61,  99.90,  -1.01,   0.00,  (max)
01/31 06Z,   0.40,  -1.53,  99.90,  -1.13,   0.00,
01/31 07Z,   0.30,  -1.61,  99.90,  -1.31,   0.00,
01/31 08Z,   0.20,  -2.19,  99.90,  -1.99,   0.00,
01/31 09Z,   0.20,  -3.55,  99.90,  -3.35,   0.00,
01/31 10Z,   0.20,  -5.91,  99.90,  -5.71,   0.00,
01/31 11Z,   0.20,  -9.14,  99.90,  -8.94,   0.00,
01/31 12Z,   0.00, -12.39,  99.90, -12.39,   0.00,
01/31 13Z,   0.00, -14.08,  99.90, -14.08,   0.00,  (min)
01/31 14Z,   0.00, -13.12,  99.90, -13.12,   0.00,
01/31 15Z,   0.00, -10.01,  99.90, -10.01,   0.00,
01/31 16Z,   0.00,  -6.24,  99.90,  -6.24,   0.00,
01/31 17Z,   0.10,  -3.06,  99.90,  -2.96,   0.00,
01/31 18Z,   0.10,  -1.04,  99.90,  -0.94,   0.00,
01/31 19Z,   0.20,  -0.11,  99.90,   0.09,   0.00,
01/31 20Z,   0.30,   0.11,  99.90,   0.41,   0.00,  (max)
01/31 21Z,   0.20,   0.10,  99.90,   0.30,   0.00,
01/31 22Z,   0.20,  -0.18,  99.90,   0.02,   0.00,
01/31 23Z,   0.20,  -1.11,  99.90,  -0.91,   0.00,
02/01 00Z,   0.10,  -2.80,  99.90,  -2.70,   0.00,
02/01 01Z,   0.20,  -4.56,  99.90,  -4.36,   0.00,
02/01 02Z,   0.30,  -5.25,  99.90,  -4.95,   0.00,  (min)
02/01 03Z,   0.30,  -4.55,  99.90,  -4.25,   0.00,
02/01 04Z,   0.30,  -3.28,  99.90,  -2.98,   0.00,
02/01 05Z,   0.30,  -2.38,  99.90,  -2.08,   0.00,
02/01 06Z,   0.30,  -2.13,  99.90,  -1.83,   0.00,  (max)
02/01 07Z,   0.20,  -2.17,  99.90,  -1.97,   0.00,
02/01 08Z,   0.20,  -2.31,  99.90,  -2.11,   0.00,
02/01 09Z,   0.20,  -2.94,  99.90,  -2.74,   0.00,
02/01 10Z,   0.20,  -4.33,  99.90,  -4.13,   0.00,
02/01 11Z,   0.20,  -6.64,  99.90,  -6.44,   0.00,
02/01 12Z,   0.10,  -9.71,  99.90,  -9.61,   0.00,
02/01 13Z,   0.10, -12.59,  99.90, -12.49,   0.00,
02/01 14Z,   0.10, -13.75,  99.90, -13.65,   0.00,  (min)
02/01 15Z,   0.20, -12.37,  99.90, -12.17,   0.00,
02/01 16Z,   0.20,  -9.16,  99.90,  -8.96,   0.00,
02/01 17Z,   0.30,  -5.55,  99.90,  -5.25,   0.00,
02/01 18Z,   0.30,  -2.63,  99.90,  -2.33,   0.00,
02/01 19Z,   0.30,  -0.84,  99.90,  -0.54,   0.00,
02/01 20Z,   0.40,  -0.05,  99.90,   0.35,   0.00,
02/01 21Z,   0.30,   0.12,  99.90,   0.42,   0.00,
02/01 22Z,   0.30,   0.13,  99.90,   0.43,   0.00,  (max)
02/01 23Z,   0.20,  -0.11,  99.90,   0.09,   0.00,
02/02 00Z,   0.20,  -0.98,  99.90,  -0.78,   0.00,
02/02 01Z,   0.20,  -2.55,  99.90,  -2.35,   0.00,
02/02 02Z,   0.20,  -4.13,  99.90,  -3.93,   0.00,
02/02 03Z,   0.10,  -4.67,  99.90,  -4.57,   0.00,  (min)
02/02 04Z,   0.10,  -4.07,  99.90,  -3.97,   0.00,
02/02 05Z,   0.10,  -3.15,  99.90,  -3.05,   0.00,
02/02 06Z,   0.10,  -2.63,  99.90,  -2.53,   0.00,
02/02 07Z,   0.20,  -2.64,  99.90,  -2.44,   0.00,  (max)
02/02 08Z,   0.20,  -2.74,  99.90,  -2.54,   0.00,
02/02 09Z,   0.30,  -2.92,  99.90,  -2.62,   0.00,
02/02 10Z,   0.40,  -3.60,  99.90,  -3.20,   0.00,
02/02 11Z,   0.40,  -4.99,  99.90,  -4.59,   0.00,
02/02 12Z,   0.40,  -7.24,  99.90,  -6.84,   0.00,
02/02 13Z,   0.50, -10.10,  99.90,  -9.60,   0.00,
02/02 14Z,   0.60, -12.55,  99.90, -11.95,   0.00,
02/02 15Z,   0.60, -13.16,  99.90, -12.56,   0.00,  (min)
02/02 16Z,   0.70, -11.40,  99.90, -10.70,   0.00,
02/02 17Z,   0.80,  -8.16,  99.90,  -7.36,   0.00,
02/02 18Z,   0.90,  -4.80,  99.90,  -3.90,   0.00,
02/02 19Z,   1.00,  -2.21,  99.90,  -1.21,   0.00,
02/02 20Z,   1.00,  -0.70,  99.90,   0.30,   0.00,
02/02 21Z,   1.10,  -0.07,  99.90,   1.03,   0.00,
02/02 22Z,   1.20,   0.04,  99.90,   1.24,   0.00,
02/02 23Z,   1.20,   0.06,  99.90,   1.26,   0.00,  (max)
02/03 00Z,   1.20,  -0.16,  99.90,   1.04,   0.00,
02/03 01Z,   1.20,  -1.02,  99.90,   0.18,   0.00,
02/03 02Z,   1.10,  -2.50,  99.90,  -1.40,   0.00,
02/03 03Z,   1.00,  -3.90,  99.90,  -2.90,   0.00,
02/03 04Z,   0.90,  -4.28,  99.90,  -3.38,   0.00,  (min)
02/03 05Z,   0.80,  -3.76,  99.90,  -2.96,   0.00,
02/03 06Z,   0.80,  -3.12,  99.90,  -2.32,   0.00,
02/03 07Z,   0.90,  -2.93,  99.90,  -2.03,   0.00,  (max)
02/03 08Z,   0.90,  -3.11,  99.90,  -2.21,   0.00,
02/03 09Z,   0.90,  -3.21,  99.90,  -2.31,   0.00,
02/03 10Z,   0.80,  -3.45,  99.90,  -2.65,   0.00,
02/03 11Z,   0.70,  -4.16,  99.90,  -3.46,   0.00,
02/03 12Z,   0.70,  -5.56,  99.90,  -4.86,   0.00,
02/03 13Z,   0.70,  -7.73,  99.90,  -7.03,   0.00,
02/03 14Z,   0.70, -10.34,  99.90,  -9.64,   0.00,
02/03 15Z,   0.70, -12.33,  99.90, -11.63,   0.00,
02/03 16Z,   0.70, -12.38,  99.90, -11.68,   0.00,  (min)
02/03 17Z,   0.70, -10.29,  99.90,  -9.59,   0.00,
02/03 18Z,   0.70,  -7.09,  99.90,  -6.39,   0.00,
02/03 19Z,   0.70,  -4.03,  99.90,  -3.33,   0.00,
02/03 20Z,   0.70,  -1.82,  99.90,  -1.12,   0.00,
02/03 21Z,   0.70,  -0.61,  99.90,   0.09,   0.00,
02/03 22Z,   0.70,  -0.15,  99.90,   0.55,   0.00,
02/03 23Z,   0.70,  -0.09,  99.90,   0.61,   0.00,
02/04 00Z,   0.70,  -0.06,  99.90,   0.64,   0.00,  (max)
02/04 01Z,   0.80,  -0.31,  99.90,   0.49,   0.00,
02/04 02Z,   0.90,  -1.20,  99.90,  -0.30,   0.00,
02/04 03Z,   0.90,  -2.63,  99.90,  -1.73,   0.00,
02/04 04Z,   1.00,  -3.84,  99.90,  -2.84,   0.00,
02/04 05Z,   1.00,  -4.05,  99.90,  -3.05,   0.00,  (min)
02/04 06Z,   1.00,  -3.59,  99.90,  -2.59,   0.00,
02/04 07Z,   0.90,  -3.20,  99.90,  -2.30,   0.00,  (max)
02/04 08Z,   0.80,  -3.25,  99.90,  -2.45,   0.00,
02/04 09Z,   0.80,  -3.51,  99.90,  -2.71,   0.00,
02/04 10Z,   0.70,  -3.60,  99.90,  -2.90,   0.00,
02/04 11Z,   0.60,  -3.89,  99.90,  -3.29,   0.00,
02/04 12Z,   0.50,  -4.64,  99.90,  -4.14,   0.00,
02/04 13Z,  99.90,  -6.04,  99.90,  99.90,   0.00,
02/04 14Z,  99.90,  -8.12,  99.90,  99.90,   0.00,
02/04 15Z,  99.90, -10.46,  99.90,  99.90,   0.00,
02/04 16Z,  99.90, -11.93,  99.90,  99.90,   0.00,
02/04 17Z,  99.90, -11.44,  99.90,  99.90,   0.00,
02/04 18Z,  99.90,  -9.07,  99.90,  99.90,   0.00,