EXTRA-TROPICAL  STORM  SURGE  2.3
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#Port Heiden, AK : 02/01/2023 14:20:47 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/30 18Z,   1.00,  -3.05,  99.90,  -2.05,   0.00,
01/30 19Z,   1.00,  -2.79,  99.90,  -1.79,   0.00,  (max)
01/30 20Z,   1.00,  -2.84,  99.90,  -1.84,   0.00,
01/30 21Z,   1.00,  -3.19,  99.90,  -2.19,   0.00,
01/30 22Z,   0.90,  -4.24,  99.90,  -3.34,   0.00,
01/30 23Z,   0.90,  -6.08,  99.90,  -5.18,   0.00,
01/31 00Z,   0.90,  -8.03,  99.90,  -7.13,   0.00,
01/31 01Z,   0.80,  -8.82,  99.90,  -8.02,   0.00,  (min)
01/31 02Z,   0.80,  -7.98,  99.90,  -7.18,   0.00,
01/31 03Z,   0.80,  -6.32,  99.90,  -5.52,   0.00,
01/31 04Z,   0.70,  -4.97,  99.90,  -4.27,   0.00,
01/31 05Z,   0.60,  -4.39,  99.90,  -3.79,   0.00,  (max)
01/31 06Z,   0.40,  -4.31,  99.90,  -3.91,   0.00,
01/31 07Z,   0.30,  -4.39,  99.90,  -4.09,   0.00,
01/31 08Z,   0.20,  -4.97,  99.90,  -4.77,   0.00,
01/31 09Z,   0.20,  -6.33,  99.90,  -6.13,   0.00,
01/31 10Z,   0.20,  -8.69,  99.90,  -8.49,   0.00,
01/31 11Z,   0.20, -11.92,  99.90, -11.72,   0.00,
01/31 12Z,   0.00, -15.17,  99.90, -15.17,   0.00,
01/31 13Z,   0.00, -16.86,  99.90, -16.86,   0.00,  (min)
01/31 14Z,   0.00, -15.90,  99.90, -15.90,   0.00,
01/31 15Z,   0.00, -12.79,  99.90, -12.79,   0.00,
01/31 16Z,   0.00,  -9.02,  99.90,  -9.02,   0.00,
01/31 17Z,   0.10,  -5.84,  99.90,  -5.74,   0.00,
01/31 18Z,   0.00,  -3.82,  99.90,  -3.82,   0.00,
01/31 19Z,   0.00,  -2.89,  99.90,  -2.89,   0.00,
01/31 20Z,   0.00,  -2.67,  99.90,  -2.67,   0.00,
01/31 21Z,   0.10,  -2.68,  99.90,  -2.58,   0.00,  (max)
01/31 22Z,   0.10,  -2.96,  99.90,  -2.86,   0.00,
01/31 23Z,   0.10,  -3.89,  99.90,  -3.79,   0.00,
02/01 00Z,   0.20,  -5.58,  99.90,  -5.38,   0.00,
02/01 01Z,   0.30,  -7.34,  99.90,  -7.04,   0.00,
02/01 02Z,   0.40,  -8.03,  99.90,  -7.63,   0.00,  (min)
02/01 03Z,   0.50,  -7.33,  99.90,  -6.83,   0.00,
02/01 04Z,   0.50,  -6.06,  99.90,  -5.56,   0.00,
02/01 05Z,   0.50,  -5.16,  99.90,  -4.66,   0.00,
02/01 06Z,   0.30,  -4.91,  99.90,  -4.61,   0.00,  (max)
02/01 07Z,   0.20,  -4.95,  99.90,  -4.75,   0.00,
02/01 08Z,   0.20,  -5.09,  99.90,  -4.89,   0.00,
02/01 09Z,   0.30,  -5.72,  99.90,  -5.42,   0.00,
02/01 10Z,   0.30,  -7.11,  99.90,  -6.81,   0.00,
02/01 11Z,   0.30,  -9.42,  99.90,  -9.12,   0.00,
02/01 12Z,   0.30, -12.49,  99.90, -12.19,   0.00,
02/01 13Z,   0.30, -15.37,  99.90, -15.07,   0.00,
02/01 14Z,   0.30, -16.53,  99.90, -16.23,   0.00,  (min)
02/01 15Z,   0.30, -15.15,  99.90, -14.85,   0.00,
02/01 16Z,   0.30, -11.94,  99.90, -11.64,   0.00,
02/01 17Z,   0.30,  -8.33,  99.90,  -8.03,   0.00,
02/01 18Z,   0.40,  -5.41,  99.90,  -5.01,   0.00,
02/01 19Z,   0.40,  -3.62,  99.90,  -3.22,   0.00,
02/01 20Z,   0.50,  -2.83,  99.90,  -2.33,   0.00,
02/01 21Z,   0.50,  -2.66,  99.90,  -2.16,   0.00,
02/01 22Z,   0.50,  -2.65,  99.90,  -2.15,   0.00,  (max)
02/01 23Z,   0.40,  -2.89,  99.90,  -2.49,   0.00,
02/02 00Z,   0.30,  -3.76,  99.90,  -3.46,   0.00,
02/02 01Z,   0.30,  -5.33,  99.90,  -5.03,   0.00,
02/02 02Z,   0.20,  -6.91,  99.90,  -6.71,   0.00,
02/02 03Z,   0.10,  -7.45,  99.90,  -7.35,   0.00,  (min)
02/02 04Z,   0.10,  -6.85,  99.90,  -6.75,   0.00,
02/02 05Z,   0.10,  -5.93,  99.90,  -5.83,   0.00,
02/02 06Z,   0.10,  -5.41,  99.90,  -5.31,   0.00,
02/02 07Z,   0.20,  -5.42,  99.90,  -5.22,   0.00,  (max)
02/02 08Z,   0.30,  -5.52,  99.90,  -5.22,   0.00,
02/02 09Z,   0.40,  -5.70,  99.90,  -5.30,   0.00,
02/02 10Z,   0.40,  -6.38,  99.90,  -5.98,   0.00,
02/02 11Z,   0.50,  -7.77,  99.90,  -7.27,   0.00,
02/02 12Z,   0.50, -10.02,  99.90,  -9.52,   0.00,
02/02 13Z,   0.50, -12.88,  99.90, -12.38,   0.00,
02/02 14Z,   0.50, -15.33,  99.90, -14.83,   0.00,
02/02 15Z,   0.60, -15.94,  99.90, -15.34,   0.00,  (min)
02/02 16Z,   0.70, -14.18,  99.90, -13.48,   0.00,
02/02 17Z,   0.80, -10.94,  99.90, -10.14,   0.00,
02/02 18Z,   0.90,  -7.58,  99.90,  -6.68,   0.00,
02/02 19Z,   1.00,  -4.99,  99.90,  -3.99,   0.00,
02/02 20Z,   1.10,  -3.48,  99.90,  -2.38,   0.00,
02/02 21Z,   1.20,  -2.85,  99.90,  -1.65,   0.00,
02/02 22Z,   1.20,  -2.74,  99.90,  -1.54,   0.00,
02/02 23Z,   1.20,  -2.72,  99.90,  -1.52,   0.00,  (max)
02/03 00Z,   1.20,  -2.94,  99.90,  -1.74,   0.00,
02/03 01Z,   1.20,  -3.80,  99.90,  -2.60,   0.00,
02/03 02Z,   1.10,  -5.28,  99.90,  -4.18,   0.00,
02/03 03Z,   1.10,  -6.68,  99.90,  -5.58,   0.00,
02/03 04Z,   1.00,  -7.06,  99.90,  -6.06,   0.00,  (min)
02/03 05Z,   1.00,  -6.54,  99.90,  -5.54,   0.00,
02/03 06Z,   0.90,  -5.90,  99.90,  -5.00,   0.00,
02/03 07Z,   0.90,  -5.71,  99.90,  -4.81,   0.00,  (max)
02/03 08Z,   1.00,  -5.89,  99.90,  -4.89,   0.00,
02/03 09Z,   1.00,  -5.99,  99.90,  -4.99,   0.00,
02/03 10Z,   0.90,  -6.23,  99.90,  -5.33,   0.00,
02/03 11Z,   0.90,  -6.94,  99.90,  -6.04,   0.00,
02/03 12Z,   0.90,  -8.34,  99.90,  -7.44,   0.00,
02/03 13Z,   0.80, -10.51,  99.90,  -9.71,   0.00,
02/03 14Z,   0.80, -13.12,  99.90, -12.32,   0.00,
02/03 15Z,   0.80, -15.11,  99.90, -14.31,   0.00,
02/03 16Z,   0.80, -15.16,  99.90, -14.36,   0.00,  (min)
02/03 17Z,   0.70, -13.07,  99.90, -12.37,   0.00,
02/03 18Z,   0.70,  -9.87,  99.90,  -9.17,   0.00,
02/03 19Z,   0.70,  -6.81,  99.90,  -6.11,   0.00,
02/03 20Z,   0.70,  -4.60,  99.90,  -3.90,   0.00,
02/03 21Z,   0.70,  -3.39,  99.90,  -2.69,   0.00,
02/03 22Z,   0.70,  -2.93,  99.90,  -2.23,   0.00,
02/03 23Z,   0.70,  -2.87,  99.90,  -2.17,   0.00,
02/04 00Z,   0.70,  -2.84,  99.90,  -2.14,   0.00,  (max)
02/04 01Z,   0.80,  -3.09,  99.90,  -2.29,   0.00,
02/04 02Z,   0.80,  -3.98,  99.90,  -3.18,   0.00,
02/04 03Z,   0.80,  -5.41,  99.90,  -4.61,   0.00,
02/04 04Z,   0.80,  -6.62,  99.90,  -5.82,   0.00,
02/04 05Z,   0.80,  -6.83,  99.90,  -6.03,   0.00,  (min)
02/04 06Z,   0.90,  -6.37,  99.90,  -5.47,   0.00,
02/04 07Z,   0.80,  -5.98,  99.90,  -5.18,   0.00,  (max)
02/04 08Z,   0.80,  -6.03,  99.90,  -5.23,   0.00,
02/04 09Z,   0.80,  -6.29,  99.90,  -5.49,   0.00,
02/04 10Z,   0.70,  -6.38,  99.90,  -5.68,   0.00,
02/04 11Z,   0.60,  -6.67,  99.90,  -6.07,   0.00,
02/04 12Z,   0.50,  -7.42,  99.90,  -6.92,   0.00,
02/04 13Z,   0.50,  -8.82,  99.90,  -8.32,   0.00,
02/04 14Z,   0.40, -10.90,  99.90, -10.50,   0.00,
02/04 15Z,   0.40, -13.24,  99.90, -12.84,   0.00,
02/04 16Z,   0.40, -14.71,  99.90, -14.31,   0.00,  (min)
02/04 17Z,   0.50, -14.22,  99.90, -13.72,   0.00,
02/04 18Z,   0.70, -11.85,  99.90, -11.15,   0.00,
02/04 19Z,   0.90,  -8.77,  99.90,  -7.87,   0.00,
02/04 20Z,   1.10,  -6.06,  99.90,  -4.96,   0.00,
02/04 21Z,   1.20,  -4.25,  99.90,  -3.05,   0.00,
02/04 22Z,   1.20,  -3.34,  99.90,  -2.14,   0.00,
02/04 23Z,   1.20,  -3.05,  99.90,  -1.85,   0.00,
02/05 00Z,   1.30,  -3.01,  99.90,  -1.71,   0.00,
02/05 01Z,   1.30,  -3.00,  99.90,  -1.70,   0.00,  (max)
02/05 02Z,   1.40,  -3.35,  99.90,  -1.95,   0.00,
02/05 03Z,   1.50,  -4.32,  99.90,  -2.82,   0.00,
02/05 04Z,   1.60,  -5.72,  99.90,  -4.12,   0.00,
02/05 05Z,   1.60,  -6.74,  99.90,  -5.14,   0.00,
02/05 06Z,   1.50,  -6.77,  99.90,  -5.27,   0.00,