EXTRA-TROPICAL  STORM  SURGE
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hat-on
mhhw-on
msl-on
mllw-on
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Alaska
Gulf of Alaska
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Elfin Cove, AK
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Nikiski, AK
Anchorage, AK
Kodiak Island, AK
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Surge List
Gulf of Alaska
#Nikiski, AK : 10/18/2026 03:21:57 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/16 12Z,   0.30,   3.47,   3.97,  99.90,   0.20,  (min)
10/16 13Z,   0.30,   6.70,   7.43,  99.90,   0.43,
10/16 14Z,   0.40,  10.44,  10.89,  99.90,   0.05,
10/16 15Z,   0.40,  13.53,  14.02,  99.90,   0.09,
10/16 16Z,   0.40,  15.84,  16.42,  99.90,   0.18,
10/16 17Z,   0.40,  17.23,  17.62,  99.90,  -0.01,  (max)
10/16 18Z,   0.30,  17.20,  17.42,  99.90,  -0.08,
10/16 19Z,   0.40,  15.62,  15.74,  99.90,  -0.28,
10/16 20Z,   0.50,  13.13,  13.42,  99.90,  -0.21,
10/16 21Z,   0.50,  10.79,  11.14,  99.90,  -0.15,
10/16 22Z,   0.50,   9.27,   9.44,  99.90,  -0.33,
10/16 23Z,   0.40,   8.69,   8.79,  99.90,  -0.30,  (min)
10/17 00Z,   0.40,   9.48,   9.80,  99.90,  -0.08,
10/17 01Z,   0.50,  11.88,  11.90,  99.90,  -0.48,
10/17 02Z,   0.50,  14.79,  14.12,  99.90,  -1.17,
10/17 03Z,   0.50,  16.73,  15.99,  99.90,  -1.24,
10/17 04Z,   0.50,  17.44,  17.27,  99.90,  -0.67,
10/17 05Z,   0.50,  17.26,  17.45,  99.90,  -0.31,  (max)
10/17 06Z,   0.40,  16.14,  16.29,  99.90,  -0.25,
10/17 07Z,   0.40,  13.91,  13.97,  99.90,  -0.34,
10/17 08Z,   0.40,  10.90,  11.06,  99.90,  -0.24,
10/17 09Z,   0.40,   7.95,   8.24,  99.90,  -0.11,
10/17 10Z,   0.40,   5.72,   5.56,  99.90,  -0.56,
10/17 11Z,   0.30,   4.27,   3.70,  99.90,  -0.87,
10/17 12Z,   0.30,   3.79,   3.34,  99.90,  -0.75,  (min)
10/17 13Z,   0.30,   4.95,   4.88,  99.90,  -0.37,
10/17 14Z,   0.30,   7.58,   7.52,  99.90,  -0.36,
10/17 15Z,   0.40,  10.43,  10.37,  99.90,  -0.46,
10/17 16Z,   0.30,  12.78,  13.03,  99.90,  -0.05,
10/17 17Z,   0.30,  14.77,  15.00,  99.90,  -0.07,
10/17 18Z,   0.20,  16.18,  16.08,  99.90,  -0.30,  (max)
10/17 19Z,   0.20,  16.37,  16.02,  99.90,  -0.55,
10/17 20Z,   0.20,  15.20,  14.88,  99.90,  -0.52,
10/17 21Z,   0.20,  13.28,  13.24,  99.90,  -0.24,
10/17 22Z,   0.20,  11.55,  11.49,  99.90,  -0.26,
10/17 23Z,   0.20,  10.43,  10.31,  99.90,  -0.32,
10/18 00Z,   0.20,   9.91,   9.87,  99.90,  -0.24,  (min)
10/18 01Z,   0.20,  10.43,  10.50,  99.90,  -0.13,
10/18 02Z,   0.20,  12.20,  11.67,  99.90,  -0.73,
10/18 03Z,   0.10,  14.18,  13.09,  99.90,  -1.19,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/18 04Z,   0.10,  15.32,  99.90,  14.32,  -1.10,
10/18 05Z,   0.10,  15.71,  99.90,  14.80,  -1.01,
10/18 06Z,   0.20,  15.69,  99.90,  14.97,  -0.92,  (max)
10/18 07Z,   0.20,  14.98,  99.90,  14.35,  -0.83,
10/18 08Z,   0.20,  13.30,  99.90,  12.77,  -0.74,
10/18 09Z,   0.20,  10.96,  99.90,  10.51,  -0.65,
10/18 10Z,   0.10,   8.67,  99.90,   8.22,  -0.55,
10/18 11Z,   0.10,   6.91,  99.90,   6.55,  -0.46,
10/18 12Z,   0.00,   5.57,  99.90,   5.20,  -0.37,
10/18 13Z,   0.00,   4.91,  99.90,   4.63,  -0.28,  (min)
10/18 14Z,   0.00,   5.65,  99.90,   5.46,  -0.19,
10/18 15Z,   0.00,   7.63,  99.90,   7.54,  -0.10,
10/18 16Z,   0.00,   9.83,  99.90,   9.73,  -0.10,
10/18 17Z,   0.00,  11.88,  99.90,  11.79,  -0.10,
10/18 18Z,   0.00,  13.97,  99.90,  13.87,  -0.10,
10/18 19Z,   0.00,  15.66,  99.90,  15.56,  -0.10,
10/18 20Z,   0.00,  16.20,  99.90,  16.11,  -0.10,  (max)
10/18 21Z,   0.00,  15.42,  99.90,  15.33,  -0.10,
10/18 22Z,   0.00,  13.92,  99.90,  13.82,  -0.10,
10/18 23Z,   0.00,  12.48,  99.90,  12.38,  -0.10,
10/19 00Z,   0.00,  11.30,  99.90,  11.21,  -0.10,
10/19 01Z,   0.00,  10.41,  99.90,  10.31,  -0.10,
10/19 02Z,   0.00,  10.39,  99.90,  10.29,  -0.10,  (min)
10/19 03Z,  -0.10,  11.50,  99.90,  11.30,  -0.10,
10/19 04Z,  -0.10,  12.84,  99.90,  12.64,  -0.10,
10/19 05Z,  -0.20,  13.68,  99.90,  13.38,  -0.10,
10/19 06Z,  -0.20,  14.29,  99.90,  13.99,  -0.10,
10/19 07Z,  -0.30,  14.78,  99.90,  14.39,  -0.10,  (max)
10/19 08Z,  -0.30,  14.66,  99.90,  14.27,  -0.10,
10/19 09Z,  -0.30,  13.54,  99.90,  13.14,  -0.10,
10/19 10Z,  -0.30,  11.68,  99.90,  11.28,  -0.10,
10/19 11Z,  -0.40,   9.73,  99.90,   9.24,  -0.10,
10/19 12Z,  -0.40,   8.00,  99.90,   7.50,  -0.10,
10/19 13Z,  -0.40,   6.35,  99.90,   5.86,  -0.10,
10/19 14Z,  -0.40,   5.26,  99.90,   4.76,  -0.10,  (min)
10/19 15Z,  -0.40,   5.58,  99.90,   5.08,  -0.10,
10/19 16Z,  -0.40,   7.16,  99.90,   6.66,  -0.10,
10/19 17Z,  -0.50,   9.14,  99.90,   8.54,  -0.10,
10/19 18Z,  -0.50,  11.34,  99.90,  10.75,  -0.10,
10/19 19Z,  -0.50,  13.83,  99.90,  13.23,  -0.10,
10/19 20Z,  -0.50,  15.91,  99.90,  15.31,  -0.10,
10/19 21Z,  -0.50,  16.72,  99.90,  16.13,  -0.10,  (max)
10/19 22Z,  -0.50,  16.11,  99.90,  15.52,  -0.10,
10/19 23Z,  -0.40,  14.67,  99.90,  14.18,  -0.10,
10/20 00Z,  -0.40,  13.08,  99.90,  12.58,  -0.10,
10/20 01Z,  -0.40,  11.43,  99.90,  10.93,  -0.10,
10/20 02Z,  -0.40,   9.90,  99.90,   9.40,  -0.10,
10/20 03Z,  -0.40,   9.34,  99.90,   8.85,  -0.10,  (min)
10/20 04Z,  -0.40,  10.07,  99.90,   9.57,  -0.10,
10/20 05Z,  -0.50,  11.25,  99.90,  10.65,  -0.10,
10/20 06Z,  -0.50,  12.35,  99.90,  11.75,  -0.10,
10/20 07Z,  -0.50,  13.59,  99.90,  13.00,  -0.10,
10/20 08Z,  -0.50,  14.79,  99.90,  14.20,  -0.10,
10/20 09Z,  -0.60,  15.20,  99.90,  14.50,  -0.10,  (max)
10/20 10Z,  -0.60,  14.39,  99.90,  13.70,  -0.10,
10/20 11Z,  -0.70,  12.66,  99.90,  11.86,  -0.10,
10/20 12Z,  -0.70,  10.62,  99.90,   9.83,  -0.10,
10/20 13Z,  -0.80,   8.52,  99.90,   7.62,  -0.10,
10/20 14Z,  -0.80,   6.34,  99.90,   5.44,  -0.10,
10/20 15Z,  -0.90,   4.86,  99.90,   3.86,  -0.10,  (min)
10/20 16Z,  -1.00,   5.04,  99.90,   3.94,  -0.10,
10/20 17Z,  -1.10,   6.65,  99.90,   5.46,  -0.10,
10/20 18Z,  -1.20,   8.90,  99.90,   7.60,  -0.10,
10/20 19Z,  -1.30,  11.62,  99.90,  10.22,  -0.10,
10/20 20Z,  -1.30,  14.61,  99.90,  13.21,  -0.10,
10/20 21Z,  -1.20,  16.93,  99.90,  15.64,  -0.10,
10/20 22Z,  -1.20,  17.71,  99.90,  16.41,  -0.10,  (max)
10/20 23Z,  -1.30,  16.87,  99.90,  15.47,  -0.10,
10/21 00Z,  -1.30,  15.05,  99.90,  13.66,  -0.10,
10/21 01Z,  -1.20,  12.89,  99.90,  11.60,  -0.10,
10/21 02Z,  -1.00,  10.51,  99.90,   9.42,  -0.10,
10/21 03Z,  -0.80,   8.38,  99.90,   7.48,  -0.10,
10/21 04Z,  -0.50,   7.57,  99.90,   6.98,  -0.10,  (min)
10/21 05Z,  -0.30,   8.38,  99.90,   7.99,  -0.10,
10/21 06Z,  -0.30,   9.95,  99.90,   9.55,  -0.10,
10/21 07Z,  -0.20,  11.78,  99.90,  11.48,  -0.10,
10/21 08Z,  -0.20,  13.87,  99.90,  13.57,  -0.10,
10/21 09Z,   0.00,  15.69,  99.90,  15.60,  -0.10,
10/21 10Z,   0.00,  16.35,  99.90,  16.25,  -0.10,  (max)
10/21 11Z,   0.20,  15.45,  99.90,  15.56,  -0.10,
10/21 12Z,   0.30,  13.42,  99.90,  13.63,  -0.10,
10/21 13Z,   0.40,  10.93,  99.90,  11.24,  -0.10,
10/21 14Z,   0.40,   8.24,  99.90,   8.54,  -0.10,
10/21 15Z,   0.40,   5.57,  99.90,   5.88,  -0.10,
10/21 16Z,   0.40,   4.01,  99.90,   4.31,  -0.10,  (min)
10/21 17Z,   0.40,   4.51,  99.90,   4.81,  -0.10,
10/21 18Z,   0.30,   6.65,  99.90,   6.85,  -0.10,
10/21 19Z,  99.90,   9.55,  99.90,  99.90,  -0.10,
10/21 20Z,  99.90,  12.93,  99.90,  99.90,  -0.10,
10/21 21Z,  99.90,  16.26,  99.90,  99.90,  -0.10,
10/21 22Z,  99.90,  18.46,  99.90,  99.90,  -0.10,
10/21 23Z,  99.90,  18.74,  99.90,  99.90,  -0.10,
10/22 00Z,  99.90,  17.20,  99.90,  99.90,  -0.10,