EXTRA-TROPICAL  STORM  SURGE
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Manual
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hat-on
mhhw-on
msl-on
mllw-on
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Alaska
Gulf of Alaska
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Surge List
#Port Heiden, AK : 04/30/2025 17:23:01 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/29 00Z,   0.00,  10.14,  99.90,  10.14,   0.00,  (max)
04/29 01Z,   0.00,   8.88,  99.90,   8.88,   0.00,
04/29 02Z,   0.00,   6.54,  99.90,   6.54,   0.00,
04/29 03Z,   0.00,   3.28,  99.90,   3.28,   0.00,
04/29 04Z,   0.00,  -0.28,  99.90,  -0.28,   0.00,
04/29 05Z,   0.00,  -2.91,  99.90,  -2.91,   0.00,
04/29 06Z,   0.00,  -3.13,  99.90,  -3.13,   0.00,  (min)
04/29 07Z,   0.00,  -0.32,  99.90,  -0.32,   0.00,
04/29 08Z,   0.00,   4.33,  99.90,   4.33,   0.00,
04/29 09Z,   0.00,   8.81,  99.90,   8.81,   0.00,
04/29 10Z,   0.10,  11.90,  99.90,  12.00,   0.00,
04/29 11Z,   0.30,  13.51,  99.90,  13.81,   0.00,
04/29 12Z,   0.50,  14.06,  99.90,  14.56,   0.00,  (max)
04/29 13Z,   0.50,  14.02,  99.90,  14.52,   0.00,
04/29 14Z,   0.50,  13.59,  99.90,  14.09,   0.00,
04/29 15Z,   0.50,  12.42,  99.90,  12.92,   0.00,
04/29 16Z,   0.50,  10.35,  99.90,  10.85,   0.00,
04/29 17Z,   0.50,   7.76,  99.90,   8.26,   0.00,
04/29 18Z,   0.50,   5.70,  99.90,   6.20,   0.00,
04/29 19Z,   0.50,   5.40,  99.90,   5.90,   0.00,  (min)
04/29 20Z,   0.50,   6.89,  99.90,   7.39,   0.00,
04/29 21Z,   0.50,   8.82,  99.90,   9.32,   0.00,
04/29 22Z,   0.50,   9.96,  99.90,  10.46,   0.00,
04/29 23Z,   0.40,  10.27,  99.90,  10.67,   0.00,
04/30 00Z,   0.50,  10.27,  99.90,  10.77,   0.00,  (max)
04/30 01Z,   0.50,   9.78,  99.90,  10.28,   0.00,
04/30 02Z,   0.50,   8.41,  99.90,   8.91,   0.00,
04/30 03Z,   0.50,   5.92,  99.90,   6.42,   0.00,
04/30 04Z,   0.50,   2.51,  99.90,   3.01,   0.00,
04/30 05Z,   0.50,  -1.14,  99.90,  -0.64,   0.00,
04/30 06Z,   0.40,  -3.70,  99.90,  -3.30,   0.00,  (min)
04/30 07Z,   0.40,  -3.62,  99.90,  -3.22,   0.00,
04/30 08Z,   0.40,  -0.44,  99.90,  -0.04,   0.00,
04/30 09Z,   0.40,   4.49,  99.90,   4.89,   0.00,
04/30 10Z,   0.40,   9.13,  99.90,   9.53,   0.00,
04/30 11Z,   0.40,  12.32,  99.90,  12.72,   0.00,
04/30 12Z,   0.40,  13.97,  99.90,  14.37,   0.00,
04/30 13Z,   0.40,  14.54,  99.90,  14.94,   0.00,  (max)
04/30 14Z,   0.40,  14.49,  99.90,  14.89,   0.00,
04/30 15Z,   0.40,  14.03,  99.90,  14.43,   0.00,
04/30 16Z,   0.30,  12.78,  99.90,  13.08,   0.00,
04/30 17Z,   0.30,  10.58,  99.90,  10.88,   0.00,
04/30 18Z,   0.30,   7.83,  99.90,   8.13,   0.00,
04/30 19Z,   0.30,   5.68,  99.90,   5.98,   0.00,
04/30 20Z,   0.30,   5.35,  99.90,   5.65,   0.00,  (min)
04/30 21Z,   0.30,   6.81,  99.90,   7.11,   0.00,
04/30 22Z,   0.30,   8.68,  99.90,   8.98,   0.00,
04/30 23Z,   0.20,   9.77,  99.90,   9.97,   0.00,
05/01 00Z,   0.20,  10.07,  99.90,  10.27,   0.00,  (max)
05/01 01Z,   0.20,  10.06,  99.90,  10.26,   0.00,
05/01 02Z,   0.30,   9.55,  99.90,   9.85,   0.00,
05/01 03Z,   0.30,   8.14,  99.90,   8.44,   0.00,
05/01 04Z,   0.30,   5.63,  99.90,   5.93,   0.00,
05/01 05Z,   0.30,   2.18,  99.90,   2.48,   0.00,
05/01 06Z,   0.30,  -1.47,  99.90,  -1.17,   0.00,
05/01 07Z,   0.30,  -3.93,  99.90,  -3.63,   0.00,  (min)
05/01 08Z,   0.30,  -3.61,  99.90,  -3.31,   0.00,
05/01 09Z,   0.20,  -0.21,  99.90,  -0.01,   0.00,
05/01 10Z,   0.20,   4.80,  99.90,   5.00,   0.00,
05/01 11Z,   0.10,   9.42,  99.90,   9.52,   0.00,
05/01 12Z,   0.10,  12.57,  99.90,  12.67,   0.00,
05/01 13Z,   0.10,  14.20,  99.90,  14.30,   0.00,
05/01 14Z,   0.10,  14.73,  99.90,  14.83,   0.00,
05/01 15Z,   0.20,  14.66,  99.90,  14.86,   0.00,  (max)
05/01 16Z,   0.20,  14.15,  99.90,  14.35,   0.00,
05/01 17Z,   0.30,  12.82,  99.90,  13.12,   0.00,
05/01 18Z,   0.30,  10.51,  99.90,  10.81,   0.00,
05/01 19Z,   0.40,   7.64,  99.90,   8.04,   0.00,
05/01 20Z,   0.40,   5.45,  99.90,   5.85,   0.00,
05/01 21Z,   0.40,   5.15,  99.90,   5.55,   0.00,  (min)
05/01 22Z,   0.40,   6.64,  99.90,   7.04,   0.00,
05/01 23Z,   0.30,   8.50,  99.90,   8.80,   0.00,
05/02 00Z,   0.30,   9.61,  99.90,   9.91,   0.00,
05/02 01Z,   0.30,   9.92,  99.90,  10.22,   0.00,  (max)
05/02 02Z,   0.30,   9.91,  99.90,  10.21,   0.00,
05/02 03Z,   0.30,   9.42,  99.90,   9.72,   0.00,
05/02 04Z,   0.30,   8.06,  99.90,   8.36,   0.00,
05/02 05Z,   0.40,   5.63,  99.90,   6.03,   0.00,
05/02 06Z,   0.40,   2.28,  99.90,   2.68,   0.00,
05/02 07Z,   0.50,  -1.29,  99.90,  -0.79,   0.00,
05/02 08Z,   0.50,  -3.61,  99.90,  -3.11,   0.00,  (min)
05/02 09Z,   0.50,  -3.13,  99.90,  -2.63,   0.00,
05/02 10Z,   0.50,   0.33,  99.90,   0.83,   0.00,
05/02 11Z,   0.40,   5.24,  99.90,   5.64,   0.00,
05/02 12Z,   0.40,   9.68,  99.90,  10.08,   0.00,
05/02 13Z,   0.30,  12.67,  99.90,  12.97,   0.00,
05/02 14Z,   0.30,  14.19,  99.90,  14.49,   0.00,
05/02 15Z,   0.40,  14.66,  99.90,  15.06,   0.00,  0.12 ft above HAT  (max)
05/02 16Z,   0.40,  14.56,  99.90,  14.96,   0.00,  0.02 ft above HAT
05/02 17Z,   0.50,  14.00,  99.90,  14.50,   0.00,
05/02 18Z,   0.50,  12.59,  99.90,  13.09,   0.00,
05/02 19Z,   0.50,  10.17,  99.90,  10.67,   0.00,
05/02 20Z,   0.50,   7.23,  99.90,   7.73,   0.00,
05/02 21Z,   0.50,   5.06,  99.90,   5.56,   0.00,
05/02 22Z,   0.40,   4.85,  99.90,   5.25,   0.00,  (min)
05/02 23Z,   0.30,   6.40,  99.90,   6.70,   0.00,
05/03 00Z,   0.30,   8.29,  99.90,   8.59,   0.00,
05/03 01Z,   0.20,   9.44,  99.90,   9.64,   0.00,
05/03 02Z,   0.10,   9.79,  99.90,   9.89,   0.00,
05/03 03Z,   0.10,   9.81,  99.90,   9.91,   0.00,  (max)
05/03 04Z,   0.10,   9.37,  99.90,   9.47,   0.00,
05/03 05Z,   0.10,   8.14,  99.90,   8.24,   0.00,
05/03 06Z,   0.10,   5.89,  99.90,   5.99,   0.00,
05/03 07Z,   0.10,   2.72,  99.90,   2.82,   0.00,
05/03 08Z,   0.10,  -0.68,  99.90,  -0.58,   0.00,
05/03 09Z,   0.00,  -2.84,  99.90,  -2.84,   0.00,  (min)
05/03 10Z,   0.00,  -2.24,  99.90,  -2.24,   0.00,
05/03 11Z,   0.00,   1.16,  99.90,   1.16,   0.00,
05/03 12Z,  -0.10,   5.81,  99.90,   5.71,   0.00,
05/03 13Z,  -0.10,   9.93,  99.90,   9.83,   0.00,
05/03 14Z,  -0.20,  12.65,  99.90,  12.45,   0.00,
05/03 15Z,  -0.20,  13.98,  99.90,  13.78,   0.00,
05/03 16Z,  -0.20,  14.36,  99.90,  14.16,   0.00,  (max)
05/03 17Z,  -0.20,  14.23,  99.90,  14.03,   0.00,
05/03 18Z,  -0.20,  13.61,  99.90,  13.41,   0.00,
05/03 19Z,  -0.20,  12.11,  99.90,  11.91,   0.00,
05/03 20Z,  -0.20,   9.60,  99.90,   9.40,   0.00,
05/03 21Z,  -0.30,   6.64,  99.90,   6.34,   0.00,
05/03 22Z,  -0.40,   4.55,  99.90,   4.15,   0.00,
05/03 23Z,  -0.50,   4.48,  99.90,   3.98,   0.00,  (min)
05/04 00Z,  -0.60,   6.11,  99.90,   5.51,   0.00,
05/04 01Z,  -0.70,   8.05,  99.90,   7.35,   0.00,
05/04 02Z,  -0.70,   9.27,  99.90,   8.57,   0.00,
05/04 03Z,  -0.70,   9.69,  99.90,   8.99,   0.00,
05/04 04Z,  -0.70,   9.73,  99.90,   9.03,   0.00,  (max)
05/04 05Z,  -0.70,   9.38,  99.90,   8.68,   0.00,
05/04 06Z,  -0.50,   8.32,  99.90,   7.82,   0.00,
05/04 07Z,  -0.50,   6.32,  99.90,   5.82,   0.00,
05/04 08Z,  -0.40,   3.42,  99.90,   3.02,   0.00,
05/04 09Z,  -0.30,   0.27,  99.90,  -0.03,   0.00,
05/04 10Z,  -0.20,  -1.69,  99.90,  -1.89,   0.00,  (min)
05/04 11Z,  -0.20,  -1.01,  99.90,  -1.21,   0.00,
05/04 12Z,  -0.20,   2.23,  99.90,   2.03,   0.00,