EXTRA-TROPICAL  STORM  SURGE
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hat-on
mhhw-on
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Alaska
Gulf of Alaska
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Kodiak Island, AK
Alitak, AK
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Atka, AK
Unalaska, AK
Surge List
Gulf of Alaska
#Alitak, AK : 05/12/2026 03:22:47 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/10 12Z,   0.30,  -6.14,  -5.99,  99.90,  -0.15,  (min)
05/10 13Z,   0.30,  -5.54,  -5.40,  99.90,  -0.16,
05/10 14Z,   0.20,  -4.74,  -4.68,  99.90,  -0.14,
05/10 15Z,   0.10,  -3.87,  -3.92,  99.90,  -0.15,
05/10 16Z,   0.00,  -3.27,  -3.32,  99.90,  -0.05,
05/10 17Z,   0.00,  -3.25,  -3.28,  99.90,  -0.03,  (max)
05/10 18Z,   0.10,  -3.80,  -3.73,  99.90,  -0.03,
05/10 19Z,   0.10,  -4.77,  -4.76,  99.90,  -0.09,
05/10 20Z,   0.00,  -6.06,  -6.13,  99.90,  -0.07,
05/10 21Z,   0.00,  -7.48,  -7.48,  99.90,   0.00,
05/10 22Z,   0.00,  -8.75,  -8.73,  99.90,   0.02,
05/10 23Z,  -0.10,  -9.52,  -9.39,  99.90,   0.23,
05/11 00Z,   0.00,  -9.57,  -9.47,  99.90,   0.10,  (min)
05/11 01Z,   0.00,  -8.92,  -8.83,  99.90,   0.09,
05/11 02Z,   0.00,  -7.70,  -7.68,  99.90,   0.02,
05/11 03Z,  -0.10,  -6.06,  -6.16,  99.90,   0.00,
05/11 04Z,  -0.20,  -4.38,  -4.42,  99.90,   0.16,
05/11 05Z,  -0.20,  -3.17,  -3.26,  99.90,   0.11,
05/11 06Z,  -0.10,  -2.67,  -2.76,  99.90,   0.01,  (max)
05/11 07Z,  -0.10,  -2.80,  -2.96,  99.90,  -0.06,
05/11 08Z,  -0.10,  -3.49,  -3.68,  99.90,  -0.09,
05/11 09Z,  -0.10,  -4.58,  -4.71,  99.90,  -0.03,
05/11 10Z,  -0.20,  -5.81,  -5.85,  99.90,   0.16,
05/11 11Z,  -0.20,  -6.82,  -6.84,  99.90,   0.18,
05/11 12Z,  -0.20,  -7.32,  -7.47,  99.90,   0.05,  (min)
05/11 13Z,  -0.20,  -7.25,  -7.39,  99.90,   0.06,
05/11 14Z,  -0.20,  -6.68,  -6.76,  99.90,   0.12,
05/11 15Z,  -0.30,  -5.69,  -5.80,  99.90,   0.19,
05/11 16Z,  -0.30,  -4.48,  -4.61,  99.90,   0.17,
05/11 17Z,  -0.40,  -3.52,  -3.78,  99.90,   0.14,
05/11 18Z,  -0.40,  -3.18,  -3.41,  99.90,   0.17,  (max)
05/11 19Z,  -0.40,  -3.48,  -3.76,  99.90,   0.12,
05/11 20Z,  -0.40,  -4.35,  -4.56,  99.90,   0.19,
05/11 21Z,  -0.50,  -5.69,  -5.93,  99.90,   0.26,
05/11 22Z,  -0.50,  -7.25,  -7.38,  99.90,   0.37,
05/11 23Z,  -0.60,  -8.64,  -8.56,  99.90,   0.68,
05/12 00Z,  -0.70,  -9.47,  -9.27,  99.90,   0.90,
05/12 01Z,  -0.70,  -9.49,  -9.47,  99.90,   0.72,  (min)
05/12 02Z,  -0.80,  -8.73,  -8.73,  99.90,   0.80,
05/12 03Z,  -0.80,  -7.29,  -7.28,  99.90,   0.81,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/12 04Z,  -0.80,  -5.37,  99.90,  -5.41,   0.77,
05/12 05Z,  -0.80,  -3.47,  99.90,  -3.55,   0.72,
05/12 06Z,  -0.70,  -2.16,  99.90,  -2.19,   0.67,
05/12 07Z,  -0.70,  -1.69,  99.90,  -1.77,   0.62,  (max)
05/12 08Z,  -0.60,  -2.04,  99.90,  -2.07,   0.58,
05/12 09Z,  -0.60,  -3.13,  99.90,  -3.21,   0.53,
05/12 10Z,  -0.50,  -4.75,  99.90,  -4.77,   0.48,
05/12 11Z,  -0.50,  -6.51,  99.90,  -6.57,   0.43,
05/12 12Z,  -0.50,  -7.94,  99.90,  -8.06,   0.38,
05/12 13Z,  -0.40,  -8.71,  99.90,  -8.77,   0.34,
05/12 14Z,  -0.40,  -8.68,  99.90,  -8.79,   0.29,  (min)
05/12 15Z,  -0.40,  -7.93,  99.90,  -8.08,   0.24,
05/12 16Z,  -0.40,  -6.53,  99.90,  -6.69,   0.24,
05/12 17Z,  -0.40,  -4.83,  99.90,  -4.99,   0.24,
05/12 18Z,  -0.40,  -3.42,  99.90,  -3.58,   0.24,
05/12 19Z,  -0.40,  -2.75,  99.90,  -2.91,   0.24,  (max)
05/12 20Z,  -0.40,  -2.88,  99.90,  -3.04,   0.24,
05/12 21Z,  -0.40,  -3.79,  99.90,  -3.95,   0.24,
05/12 22Z,  -0.40,  -5.32,  99.90,  -5.48,   0.24,
05/12 23Z,  -0.40,  -7.10,  99.90,  -7.26,   0.24,
05/13 00Z,  -0.40,  -8.64,  99.90,  -8.79,   0.24,
05/13 01Z,  -0.50,  -9.48,  99.90,  -9.73,   0.24,  (min)
05/13 02Z,  -0.50,  -9.38,  99.90,  -9.64,   0.24,
05/13 03Z,  -0.50,  -8.37,  99.90,  -8.63,   0.24,
05/13 04Z,  -0.50,  -6.59,  99.90,  -6.85,   0.24,
05/13 05Z,  -0.50,  -4.33,  99.90,  -4.59,   0.24,
05/13 06Z,  -0.50,  -2.22,  99.90,  -2.47,   0.24,
05/13 07Z,  -0.50,  -0.89,  99.90,  -1.14,   0.24,
05/13 08Z,  -0.40,  -0.61,  99.90,  -0.77,   0.24,  (max)
05/13 09Z,  -0.40,  -1.39,  99.90,  -1.54,   0.24,
05/13 10Z,  -0.40,  -3.08,  99.90,  -3.24,   0.24,
05/13 11Z,  -0.30,  -5.35,  99.90,  -5.41,   0.24,
05/13 12Z,  -0.30,  -7.66,  99.90,  -7.72,   0.24,
05/13 13Z,  -0.30,  -9.46,  99.90,  -9.52,   0.24,
05/13 14Z,  -0.30, -10.36,  99.90, -10.41,   0.24,  (min)
05/13 15Z,  -0.40, -10.21,  99.90, -10.36,   0.24,
05/13 16Z,  -0.40,  -9.07,  99.90,  -9.23,   0.24,
05/13 17Z,  -0.40,  -7.12,  99.90,  -7.28,   0.24,
05/13 18Z,  -0.30,  -4.85,  99.90,  -4.91,   0.24,
05/13 19Z,  -0.30,  -2.99,  99.90,  -3.05,   0.24,
05/13 20Z,  -0.30,  -2.06,  99.90,  -2.11,   0.24,  (max)
05/13 21Z,  -0.30,  -2.17,  99.90,  -2.22,   0.24,
05/13 22Z,  -0.30,  -3.26,  99.90,  -3.32,   0.24,
05/13 23Z,  -0.30,  -5.07,  99.90,  -5.13,   0.24,
05/14 00Z,  -0.30,  -7.07,  99.90,  -7.13,   0.24,
05/14 01Z,  -0.30,  -8.69,  99.90,  -8.75,   0.24,
05/14 02Z,  -0.30,  -9.45,  99.90,  -9.51,   0.24,  (min)
05/14 03Z,  -0.30,  -9.13,  99.90,  -9.18,   0.24,
05/14 04Z,  -0.30,  -7.78,  99.90,  -7.84,   0.24,
05/14 05Z,  -0.30,  -5.62,  99.90,  -5.68,   0.24,
05/14 06Z,  -0.30,  -3.03,  99.90,  -3.09,   0.24,
05/14 07Z,  -0.20,  -0.78,  99.90,  -0.74,   0.24,
05/14 08Z,  -0.20,   0.43,  99.90,   0.48,   0.24,  (max)
05/14 09Z,  -0.20,   0.34,  99.90,   0.38,   0.24,
05/14 10Z,  -0.20,  -1.04,  99.90,  -1.00,   0.24,
05/14 11Z,  -0.20,  -3.44,  99.90,  -3.40,   0.24,
05/14 12Z,  -0.20,  -6.35,  99.90,  -6.31,   0.24,
05/14 13Z,  -0.30,  -9.14,  99.90,  -9.20,   0.24,
05/14 14Z,  -0.30, -11.17,  99.90, -11.23,   0.24,
05/14 15Z,  -0.40, -12.02,  99.90, -12.18,   0.24,  (min)
05/14 16Z,  -0.40, -11.58,  99.90, -11.74,   0.24,
05/14 17Z,  -0.40,  -9.94,  99.90, -10.10,   0.24,
05/14 18Z,  -0.40,  -7.37,  99.90,  -7.53,   0.24,
05/14 19Z,  -0.40,  -4.54,  99.90,  -4.70,   0.24,
05/14 20Z,  -0.40,  -2.32,  99.90,  -2.48,   0.24,
05/14 21Z,  -0.40,  -1.27,  99.90,  -1.43,   0.24,  (max)
05/14 22Z,  -0.40,  -1.52,  99.90,  -1.68,   0.24,
05/14 23Z,  -0.40,  -2.90,  99.90,  -3.06,   0.24,
05/15 00Z,  -0.40,  -4.99,  99.90,  -5.15,   0.24,
05/15 01Z,  -0.50,  -7.15,  99.90,  -7.41,   0.24,
05/15 02Z,  -0.50,  -8.76,  99.90,  -9.02,   0.24,
05/15 03Z,  -0.50,  -9.33,  99.90,  -9.59,   0.24,  (min)
05/15 04Z,  -0.50,  -8.71,  99.90,  -8.96,   0.24,
05/15 05Z,  -0.50,  -7.00,  99.90,  -7.26,   0.24,
05/15 06Z,  -0.50,  -4.46,  99.90,  -4.72,   0.24,
05/15 07Z,  -0.50,  -1.62,  99.90,  -1.88,   0.24,
05/15 08Z,  -0.50,   0.64,  99.90,   0.38,   0.24,
05/15 09Z,  -0.50,   1.57,  99.90,   1.32,   0.24,  (max)
05/15 10Z,  -0.50,   0.95,  99.90,   0.69,   0.24,
05/15 11Z,  -0.50,  -1.10,  99.90,  -1.36,   0.24,
05/15 12Z,  -0.50,  -4.18,  99.90,  -4.44,   0.24,
05/15 13Z,  -0.60,  -7.63,  99.90,  -7.99,   0.24,
05/15 14Z,  -0.60, -10.72,  99.90, -11.08,   0.24,
05/15 15Z,  -0.70, -12.80,  99.90, -13.25,   0.24,
05/15 16Z,  -0.70, -13.45,  99.90, -13.91,   0.24,  (min)
05/15 17Z,  -0.70, -12.61,  99.90, -13.07,   0.24,
05/15 18Z,  -0.70, -10.42,  99.90, -10.88,   0.24,
05/15 19Z,  99.90,  -7.25,  99.90,  99.90,   0.24,
05/15 20Z,  99.90,  -3.97,  99.90,  99.90,   0.24,
05/15 21Z,  99.90,  -1.56,  99.90,  99.90,   0.24,
05/15 22Z,  99.90,  -0.60,  99.90,  99.90,   0.24,
05/15 23Z,  99.90,  -1.10,  99.90,  99.90,   0.24,
05/16 00Z,  99.90,  -2.79,  99.90,  99.90,   0.24,