EXTRA-TROPICAL  STORM  SURGE
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Alaska
Gulf of Alaska
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Atka, AK
Unalaska, AK
Surge List
Gulf of Alaska
#Atka, AK : 02/18/2026 05:23:19 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/16 12Z,  -0.30,  -3.81,  -4.47,  99.90,  -0.36,
02/16 13Z,  -0.30,  -3.36,  -4.00,  99.90,  -0.34,
02/16 14Z,  -0.20,  -2.92,  -3.60,  99.90,  -0.48,
02/16 15Z,  -0.30,  -2.55,  -3.07,  99.90,  -0.22,
02/16 16Z,  -0.40,  -2.27,  -2.77,  99.90,  -0.10,
02/16 17Z,  -0.40,  -2.02,  -2.46,  99.90,  -0.04,
02/16 18Z,  -0.40,  -1.81,  -2.16,  99.90,   0.05,
02/16 19Z,  -0.50,  -1.62,  -1.93,  99.90,   0.19,
02/16 20Z,  -0.50,  -1.44,  -1.73,  99.90,   0.21,
02/16 21Z,  -0.50,  -1.29,  -1.56,  99.90,   0.23,
02/16 22Z,  -0.50,  -1.26,  -1.48,  99.90,   0.28,
02/16 23Z,  -0.60,  -1.34,  -1.32,  99.90,   0.62,  (max)
02/17 00Z,  -0.50,  -1.54,  -1.39,  99.90,   0.65,
02/17 01Z,  -0.50,  -1.86,  -1.67,  99.90,   0.69,
02/17 02Z,  -0.50,  -2.27,  -2.05,  99.90,   0.72,
02/17 03Z,  -0.60,  -2.77,  -2.63,  99.90,   0.74,
02/17 04Z,  -0.60,  -3.34,  -3.13,  99.90,   0.81,
02/17 05Z,  -0.60,  -3.89,  -3.75,  99.90,   0.74,
02/17 06Z,  -0.60,  -4.35,  -4.33,  99.90,   0.62,
02/17 07Z,  -0.60,  -4.68,  -4.96,  99.90,   0.32,
02/17 08Z,  -0.60,  -4.81,  -5.38,  99.90,   0.03,
02/17 09Z,  -0.60,  -4.75,  -5.51,  99.90,  -0.16,  (min)
02/17 10Z,  -0.60,  -4.56,  -5.49,  99.90,  -0.33,
02/17 11Z,  -0.60,  -4.27,  -5.37,  99.90,  -0.50,
02/17 12Z,  -0.50,  -3.89,  -5.07,  99.90,  -0.68,
02/17 13Z,  -0.50,  -3.49,  -4.58,  99.90,  -0.59,
02/17 14Z,  -0.40,  -3.09,  -4.23,  99.90,  -0.74,
02/17 15Z,  -0.50,  -2.72,  -3.76,  99.90,  -0.54,
02/17 16Z,  -0.50,  -2.44,  -3.34,  99.90,  -0.40,
02/17 17Z,  -0.50,  -2.23,  -2.93,  99.90,  -0.20,
02/17 18Z,  -0.50,  -2.06,  -2.62,  99.90,  -0.06,
02/17 19Z,  -0.50,  -1.92,  -2.49,  99.90,  -0.07,
02/17 20Z,  -0.50,  -1.80,  -2.26,  99.90,   0.04,
02/17 21Z,  -0.50,  -1.67,  -2.07,  99.90,   0.10,
02/17 22Z,  -0.50,  -1.60,  -2.00,  99.90,   0.10,
02/17 23Z,  -0.50,  -1.61,  -1.97,  99.90,   0.14,
02/18 00Z,  -0.40,  -1.70,  -1.90,  99.90,   0.20,  (max)
02/18 01Z,  -0.50,  -1.88,  -1.97,  99.90,   0.41,
02/18 02Z,  -0.40,  -2.17,  -2.25,  99.90,   0.32,
02/18 03Z,  -0.40,  -2.53,  -2.54,  99.90,   0.39,
02/18 04Z,  -0.50,  -2.96,  -2.95,  99.90,   0.51,
02/18 05Z,  -0.50,  -3.43,  -3.46,  99.90,   0.47,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/18 06Z,  -0.50,  -3.87,  99.90,  -3.93,   0.44,
02/18 07Z,  -0.50,  -4.22,  99.90,  -4.31,   0.41,
02/18 08Z,  -0.50,  -4.44,  99.90,  -4.56,   0.37,
02/18 09Z,  -0.60,  -4.48,  99.90,  -4.74,   0.34,  (min)
02/18 10Z,  -0.60,  -4.37,  99.90,  -4.66,   0.31,
02/18 11Z,  -0.60,  -4.15,  99.90,  -4.48,   0.27,
02/18 12Z,  -0.60,  -3.84,  99.90,  -4.20,   0.24,
02/18 13Z,  -0.60,  -3.47,  99.90,  -3.87,   0.20,
02/18 14Z,  -0.70,  -3.12,  99.90,  -3.65,   0.17,
02/18 15Z,  -0.70,  -2.81,  99.90,  -3.37,   0.14,
02/18 16Z,  -0.70,  -2.55,  99.90,  -3.14,   0.10,
02/18 17Z,  -0.80,  -2.38,  99.90,  -3.11,   0.07,
02/18 18Z,  -0.80,  -2.29,  99.90,  -3.02,   0.07,
02/18 19Z,  -0.80,  -2.23,  99.90,  -2.96,   0.07,
02/18 20Z,  -0.80,  -2.20,  99.90,  -2.93,   0.07,  (max)
02/18 21Z,  -0.90,  -2.16,  99.90,  -2.99,   0.07,  (min)
02/18 22Z,  -0.90,  -2.11,  99.90,  -2.94,   0.07,
02/18 23Z,  -0.90,  -2.09,  99.90,  -2.91,   0.07,  (max)
02/19 00Z,  -1.00,  -2.09,  99.90,  -3.02,   0.07,
02/19 01Z,  -1.00,  -2.13,  99.90,  -3.06,   0.07,
02/19 02Z,  -1.00,  -2.25,  99.90,  -3.18,   0.07,
02/19 03Z,  -1.00,  -2.46,  99.90,  -3.38,   0.07,
02/19 04Z,  -1.00,  -2.71,  99.90,  -3.64,   0.07,
02/19 05Z,  -1.00,  -3.03,  99.90,  -3.96,   0.07,
02/19 06Z,  -1.00,  -3.39,  99.90,  -4.32,   0.07,
02/19 07Z,  -1.00,  -3.71,  99.90,  -4.64,   0.07,
02/19 08Z,  -1.10,  -3.94,  99.90,  -4.97,   0.07,
02/19 09Z,  -1.10,  -4.06,  99.90,  -5.09,   0.07,  (min)
02/19 10Z,  -1.10,  -4.04,  99.90,  -5.07,   0.07,
02/19 11Z,  -1.10,  -3.89,  99.90,  -4.92,   0.07,
02/19 12Z,  -1.10,  -3.64,  99.90,  -4.67,   0.07,
02/19 13Z,  -1.10,  -3.32,  99.90,  -4.35,   0.07,
02/19 14Z,  -1.10,  -3.00,  99.90,  -4.03,   0.07,
02/19 15Z,  -1.10,  -2.74,  99.90,  -3.77,   0.07,
02/19 16Z,  -1.10,  -2.54,  99.90,  -3.57,   0.07,
02/19 17Z,  -1.10,  -2.42,  99.90,  -3.45,   0.07,
02/19 18Z,  -1.10,  -2.41,  99.90,  -3.44,   0.07,  (max)
02/19 19Z,  -1.10,  -2.48,  99.90,  -3.51,   0.07,
02/19 20Z,  -1.10,  -2.56,  99.90,  -3.59,   0.07,
02/19 21Z,  -1.10,  -2.66,  99.90,  -3.69,   0.07,
02/19 22Z,  -1.10,  -2.72,  99.90,  -3.75,   0.07,
02/19 23Z,  -1.20,  -2.73,  99.90,  -3.85,   0.07,  (min)
02/20 00Z,  -1.20,  -2.69,  99.90,  -3.82,   0.07,
02/20 01Z,  -1.20,  -2.62,  99.90,  -3.75,   0.07,
02/20 02Z,  -1.10,  -2.58,  99.90,  -3.60,   0.07,  (max)
02/20 03Z,  -1.10,  -2.59,  99.90,  -3.62,   0.07,
02/20 04Z,  -1.10,  -2.67,  99.90,  -3.69,   0.07,
02/20 05Z,  -1.00,  -2.78,  99.90,  -3.71,   0.07,
02/20 06Z,  -1.00,  -2.97,  99.90,  -3.90,   0.07,
02/20 07Z,  -1.00,  -3.20,  99.90,  -4.13,   0.07,
02/20 08Z,  -1.10,  -3.40,  99.90,  -4.43,   0.07,
02/20 09Z,  -1.10,  -3.54,  99.90,  -4.57,   0.07,
02/20 10Z,  -1.10,  -3.60,  99.90,  -4.63,   0.07,
02/20 11Z,  -1.20,  -3.53,  99.90,  -4.66,   0.07,  (min)
02/20 12Z,  -1.20,  -3.33,  99.90,  -4.46,   0.07,
02/20 13Z,  -1.20,  -3.06,  99.90,  -4.19,   0.07,
02/20 14Z,  -1.20,  -2.77,  99.90,  -3.90,   0.07,
02/20 15Z,  -1.20,  -2.53,  99.90,  -3.66,   0.07,
02/20 16Z,  -1.10,  -2.38,  99.90,  -3.41,   0.07,
02/20 17Z,  -1.10,  -2.31,  99.90,  -3.34,   0.07,  (max)
02/20 18Z,  -1.10,  -2.36,  99.90,  -3.39,   0.07,
02/20 19Z,  -1.10,  -2.55,  99.90,  -3.58,   0.07,
02/20 20Z,  -1.10,  -2.79,  99.90,  -3.82,   0.07,
02/20 21Z,  -1.10,  -3.04,  99.90,  -4.07,   0.07,
02/20 22Z,  -1.10,  -3.28,  99.90,  -4.31,   0.07,
02/20 23Z,  -1.10,  -3.42,  99.90,  -4.45,   0.07,
02/21 00Z,  -1.10,  -3.43,  99.90,  -4.45,   0.07,  (min)
02/21 01Z,  -1.10,  -3.33,  99.90,  -4.35,   0.07,
02/21 02Z,  -1.10,  -3.17,  99.90,  -4.20,   0.07,
02/21 03Z,  -1.10,  -3.00,  99.90,  -4.03,   0.07,
02/21 04Z,  -1.10,  -2.86,  99.90,  -3.89,   0.07,
02/21 05Z,  -1.00,  -2.77,  99.90,  -3.70,   0.07,
02/21 06Z,  -1.00,  -2.74,  99.90,  -3.67,   0.07,
02/21 07Z,  -0.90,  -2.80,  99.90,  -3.63,   0.07,  (max)
02/21 08Z,  -0.90,  -2.91,  99.90,  -3.74,   0.07,
02/21 09Z,  -0.80,  -3.02,  99.90,  -3.75,   0.07,
02/21 10Z,  -0.90,  -3.10,  99.90,  -3.93,   0.07,
02/21 11Z,  -0.90,  -3.11,  99.90,  -3.94,   0.07,  (min)
02/21 12Z,  -0.80,  -2.98,  99.90,  -3.71,   0.07,
02/21 13Z,  -0.80,  -2.74,  99.90,  -3.47,   0.07,
02/21 14Z,  -0.70,  -2.47,  99.90,  -3.10,   0.07,
02/21 15Z,  -0.70,  -2.23,  99.90,  -2.86,   0.07,
02/21 16Z,  -0.70,  -2.07,  99.90,  -2.70,   0.07,
02/21 17Z,  -0.70,  -2.04,  99.90,  -2.67,   0.07,  (max)
02/21 18Z,  -0.70,  -2.14,  99.90,  -2.77,   0.07,
02/21 19Z,  -0.60,  -2.38,  99.90,  -2.91,   0.07,
02/21 20Z,  -0.60,  -2.77,  99.90,  -3.30,   0.07,
02/21 21Z,  -0.60,  -3.21,  99.90,  -3.74,   0.07,
02/21 22Z,  -0.60,  -3.64,  99.90,  -4.17,   0.07,
02/21 23Z,  -0.60,  -3.99,  99.90,  -4.52,   0.07,
02/22 00Z,  -0.60,  -4.16,  99.90,  -4.69,   0.07,