EXTRA-TROPICAL  STORM  SURGE
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hat-on
mhhw-on
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Alaska
Gulf of Alaska
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Surge List
Gulf of Alaska
#Seward, AK : 10/12/2026 15:23:38 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/11 00Z,   0.40,  -2.35,  -2.81,  99.90,  -0.86,
10/11 01Z,   0.40,  -5.37,  -5.73,  99.90,  -0.76,
10/11 02Z,   0.40,  -8.36,  -8.96,  99.90,  -1.00,
10/11 03Z,   0.40, -10.55, -10.84,  99.90,  -0.69,
10/11 04Z,   0.50, -11.40, -11.91,  99.90,  -1.01,  (min)
10/11 05Z,   0.50, -10.77, -11.11,  99.90,  -0.84,
10/11 06Z,   0.60,  -8.84,  -9.19,  99.90,  -0.95,
10/11 07Z,   0.70,  -6.13,  -6.58,  99.90,  -1.15,
10/11 08Z,   0.80,  -3.34,  -3.59,  99.90,  -1.05,
10/11 09Z,   0.90,  -1.21,  -1.34,  99.90,  -1.03,
10/11 10Z,   0.80,  -0.20,  -0.39,  99.90,  -0.99,  (max)
10/11 11Z,   0.90,  -0.48,  -0.58,  99.90,  -1.00,
10/11 12Z,   0.90,  -1.92,  -1.99,  99.90,  -0.97,
10/11 13Z,   1.00,  -4.18,  -4.23,  99.90,  -1.05,
10/11 14Z,   0.90,  -6.62,  -6.71,  99.90,  -0.99,
10/11 15Z,   0.90,  -8.50,  -8.73,  99.90,  -1.13,
10/11 16Z,   0.90,  -9.24,  -9.35,  99.90,  -1.01,  (min)
10/11 17Z,   0.90,  -8.63,  -8.84,  99.90,  -1.11,
10/11 18Z,   0.90,  -6.81,  -7.07,  99.90,  -1.16,
10/11 19Z,   0.90,  -4.22,  -4.47,  99.90,  -1.15,
10/11 20Z,   0.90,  -1.54,  -1.72,  99.90,  -1.08,
10/11 21Z,   0.90,   0.50,   0.30,  99.90,  -1.10,
10/11 22Z,   0.90,   1.36,   1.14,  99.90,  -1.12,  (max)
10/11 23Z,   0.90,   0.85,   0.58,  99.90,  -1.17,
10/12 00Z,   0.90,  -0.94,  -1.19,  99.90,  -1.15,
10/12 01Z,   0.90,  -3.68,  -3.83,  99.90,  -1.05,
10/12 02Z,   0.90,  -6.81,  -6.93,  99.90,  -1.02,
10/12 03Z,   0.80,  -9.56,  -9.72,  99.90,  -0.96,
10/12 04Z,   0.80, -11.25, -11.40,  99.90,  -0.95,
10/12 05Z,   0.70, -11.50, -11.68,  99.90,  -0.88,  (min)
10/12 06Z,   0.80, -10.31, -10.53,  99.90,  -1.02,
10/12 07Z,   0.90,  -8.04,  -8.26,  99.90,  -1.12,
10/12 08Z,   0.90,  -5.26,  -5.49,  99.90,  -1.13,
10/12 09Z,   0.90,  -2.70,  -3.00,  99.90,  -1.20,
10/12 10Z,   0.90,  -0.99,  -1.27,  99.90,  -1.18,
10/12 11Z,   0.90,  -0.47,  -0.74,  99.90,  -1.17,  (max)
10/12 12Z,   0.80,  -1.14,  -1.43,  99.90,  -1.09,
10/12 13Z,   0.70,  -2.79,  -2.99,  99.90,  -0.90,
10/12 14Z,   0.70,  -4.98,  -5.23,  99.90,  -0.95,
10/12 15Z,   0.80,  -7.06,  -7.35,  99.90,  -1.09,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/12 16Z,   0.80,  -8.36,  99.90,  -8.66,  -1.10,
10/12 17Z,   0.90,  -8.46,  99.90,  -8.66,  -1.10,  (min)
10/12 18Z,   0.90,  -7.30,  99.90,  -7.51,  -1.11,
10/12 19Z,   0.90,  -5.19,  99.90,  -5.41,  -1.11,
10/12 20Z,   0.90,  -2.66,  99.90,  -2.88,  -1.12,
10/12 21Z,   0.90,  -0.37,  99.90,  -0.60,  -1.12,
10/12 22Z,   0.90,   1.03,  99.90,   0.80,  -1.13,
10/12 23Z,   0.90,   1.17,  99.90,   0.93,  -1.13,  (max)
10/13 00Z,   0.90,   0.01,  99.90,  -0.23,  -1.14,
10/13 01Z,   0.80,  -2.22,  99.90,  -2.56,  -1.15,
10/13 02Z,   0.80,  -5.11,  99.90,  -5.46,  -1.15,
10/13 03Z,   0.80,  -8.05,  99.90,  -8.40,  -1.16,
10/13 04Z,   0.90, -10.33,  99.90, -10.58,  -1.16,
10/13 05Z,   0.90, -11.39,  99.90, -11.65,  -1.16,  (min)
10/13 06Z,   1.00, -11.04,  99.90, -11.19,  -1.16,
10/13 07Z,   1.00,  -9.44,  99.90,  -9.59,  -1.16,
10/13 08Z,   1.00,  -7.03,  99.90,  -7.19,  -1.16,
10/13 09Z,   1.00,  -4.43,  99.90,  -4.59,  -1.16,
10/13 10Z,   1.00,  -2.29,  99.90,  -2.45,  -1.16,
10/13 11Z,   1.00,  -1.11,  99.90,  -1.26,  -1.16,  (max)
10/13 12Z,   0.70,  -1.04,  99.90,  -1.50,  -1.16,
10/13 13Z,   1.10,  -2.00,  99.90,  -2.05,  -1.16,
10/13 14Z,   0.80,  -3.67,  99.90,  -4.02,  -1.16,
10/13 15Z,   0.80,  -5.59,  99.90,  -5.95,  -1.16,
10/13 16Z,   0.80,  -7.17,  99.90,  -7.53,  -1.16,
10/13 17Z,   1.00,  -7.85,  99.90,  -8.00,  -1.16,  (min)
10/13 18Z,   0.80,  -7.37,  99.90,  -7.73,  -1.16,
10/13 19Z,   0.70,  -5.86,  99.90,  -6.32,  -1.16,
10/13 20Z,   0.90,  -3.72,  99.90,  -3.97,  -1.16,
10/13 21Z,   1.00,  -1.48,  99.90,  -1.64,  -1.16,
10/13 22Z,   0.80,   0.24,  99.90,  -0.12,  -1.16,
10/13 23Z,   1.10,   0.95,  99.90,   0.89,  -1.16,  (max)
10/14 00Z,   0.90,   0.44,  99.90,   0.19,  -1.16,
10/14 01Z,   1.20,  -1.17,  99.90,  -1.12,  -1.16,
10/14 02Z,   1.10,  -3.57,  99.90,  -3.63,  -1.16,
10/14 03Z,   1.00,  -6.33,  99.90,  -6.49,  -1.16,
10/14 04Z,   1.10,  -8.86,  99.90,  -8.92,  -1.16,
10/14 05Z,   1.10, -10.54,  99.90, -10.60,  -1.16,
10/14 06Z,   1.10, -10.99,  99.90, -11.05,  -1.16,  (min)
10/14 07Z,   1.00, -10.18,  99.90, -10.33,  -1.16,
10/14 08Z,   1.30,  -8.39,  99.90,  -8.24,  -1.16,
10/14 09Z,   1.40,  -6.10,  99.90,  -5.85,  -1.16,
10/14 10Z,   1.10,  -3.87,  99.90,  -3.92,  -1.16,
10/14 11Z,   1.10,  -2.24,  99.90,  -2.29,  -1.16,
10/14 12Z,   1.30,  -1.54,  99.90,  -1.40,  -1.16,  (max)
10/14 13Z,   1.30,  -1.82,  99.90,  -1.68,  -1.16,
10/14 14Z,   1.20,  -2.87,  99.90,  -2.83,  -1.16,
10/14 15Z,   1.10,  -4.38,  99.90,  -4.44,  -1.16,
10/14 16Z,   1.10,  -5.91,  99.90,  -5.97,  -1.16,
10/14 17Z,   1.00,  -6.93,  99.90,  -7.09,  -1.16,
10/14 18Z,   0.90,  -7.05,  99.90,  -7.30,  -1.16,  (min)
10/14 19Z,   0.80,  -6.17,  99.90,  -6.53,  -1.16,
10/14 20Z,   0.80,  -4.55,  99.90,  -4.91,  -1.16,
10/14 21Z,   0.80,  -2.61,  99.90,  -2.96,  -1.16,
10/14 22Z,   0.70,  -0.84,  99.90,  -1.29,  -1.16,
10/14 23Z,   0.70,   0.26,  99.90,  -0.19,  -1.16,
10/15 00Z,   0.70,   0.36,  99.90,  -0.09,  -1.16,  (max)
10/15 01Z,   0.60,  -0.60,  99.90,  -1.15,  -1.16,
10/15 02Z,   0.50,  -2.41,  99.90,  -3.06,  -1.16,
10/15 03Z,   0.40,  -4.74,  99.90,  -5.49,  -1.16,
10/15 04Z,   0.40,  -7.16,  99.90,  -7.91,  -1.16,
10/15 05Z,   0.50,  -9.16,  99.90,  -9.81,  -1.16,
10/15 06Z,   0.50, -10.25,  99.90, -10.91,  -1.16,  (min)
10/15 07Z,   0.70, -10.22,  99.90, -10.68,  -1.16,
10/15 08Z,   0.60,  -9.17,  99.90,  -9.72,  -1.16,
10/15 09Z,   0.50,  -7.43,  99.90,  -8.08,  -1.16,
10/15 10Z,   0.70,  -5.44,  99.90,  -5.90,  -1.16,
10/15 11Z,   0.70,  -3.67,  99.90,  -4.13,  -1.16,
10/15 12Z,   0.70,  -2.53,  99.90,  -2.98,  -1.16,
10/15 13Z,   0.80,  -2.20,  99.90,  -2.56,  -1.16,  (max)
10/15 14Z,   1.00,  -2.64,  99.90,  -2.79,  -1.16,
10/15 15Z,   1.00,  -3.61,  99.90,  -3.76,  -1.16,
10/15 16Z,   1.00,  -4.82,  99.90,  -4.98,  -1.16,
10/15 17Z,   1.10,  -5.89,  99.90,  -5.95,  -1.16,
10/15 18Z,   1.40,  -6.41,  99.90,  -6.17,  -1.16,  (min)
10/15 19Z,   1.50,  -6.13,  99.90,  -5.78,  -1.16,
10/15 20Z,   1.80,  -5.09,  99.90,  -4.44,  -1.16,
10/15 21Z,   1.90,  -3.58,  99.90,  -2.84,  -1.16,
10/15 22Z,   1.90,  -2.01,  99.90,  -1.26,  -1.16,
10/15 23Z,   2.10,  -0.76,  99.90,   0.19,  -1.16,
10/16 00Z,   2.30,  -0.20,  99.90,   0.95,  -1.16,  (max)
10/16 01Z,   2.10,  -0.52,  99.90,   0.42,  -1.16,
10/16 02Z,   1.90,  -1.69,  99.90,  -0.95,  -1.16,
10/16 03Z,   1.90,  -3.46,  99.90,  -2.71,  -1.16,
10/16 04Z,   1.80,  -5.51,  99.90,  -4.87,  -1.16,
10/16 05Z,   1.70,  -7.49,  99.90,  -6.95,  -1.16,
10/16 06Z,   1.60,  -8.98,  99.90,  -8.54,  -1.16,
10/16 07Z,  99.90,  -9.63,  99.90,  99.90,  -1.16,
10/16 08Z,  99.90,  -9.33,  99.90,  99.90,  -1.16,
10/16 09Z,  99.90,  -8.27,  99.90,  99.90,  -1.16,
10/16 10Z,  99.90,  -6.77,  99.90,  99.90,  -1.16,
10/16 11Z,  99.90,  -5.17,  99.90,  99.90,  -1.16,
10/16 12Z,  99.90,  -3.83,  99.90,  99.90,  -1.16,