EXTRA-TROPICAL  STORM  SURGE
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Alaska
Gulf of Alaska
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Elfin Cove, AK
Yakutat, AK
Cordova, AK
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Seldovia, AK
Nikiski, AK
Anchorage, AK
Kodiak Island, AK
Alitak, AK
Sand Point, AK
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Atka, AK
Unalaska, AK
Surge List
Gulf of Alaska
#Nikiski, AK : 04/15/2026 16:22:01 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/14 00Z,   0.00,  -9.19,  -9.84,  99.90,  -0.65,  (max)
04/14 01Z,   0.00, -11.80, -12.35,  99.90,  -0.55,
04/14 02Z,   0.00, -15.06, -15.62,  99.90,  -0.56,
04/14 03Z,   0.00, -18.46, -18.89,  99.90,  -0.43,
04/14 04Z,   0.00, -21.64, -21.97,  99.90,  -0.33,
04/14 05Z,   0.00, -23.54, -24.12,  99.90,  -0.58,  (min)
04/14 06Z,   0.00, -22.94, -24.08,  99.90,  -1.14,
04/14 07Z,   0.00, -20.09, -21.07,  99.90,  -0.98,
04/14 08Z,   0.00, -16.26, -16.89,  99.90,  -0.63,
04/14 09Z,   0.00, -12.23, -12.90,  99.90,  -0.67,
04/14 10Z,   0.00,  -8.63,  -9.44,  99.90,  -0.81,
04/14 11Z,   0.00,  -6.47,  -7.32,  99.90,  -0.85,
04/14 12Z,   0.00,  -6.53,  -7.07,  99.90,  -0.54,  (max)
04/14 13Z,   0.00,  -8.69,  -8.99,  99.90,  -0.30,
04/14 14Z,   0.00, -12.06, -12.41,  99.90,  -0.35,
04/14 15Z,   0.00, -15.81, -16.10,  99.90,  -0.29,
04/14 16Z,   0.00, -19.48, -19.55,  99.90,  -0.07,
04/14 17Z,   0.00, -22.28, -22.43,  99.90,  -0.15,
04/14 18Z,   0.00, -22.79, -23.59,  99.90,  -0.80,  (min)
04/14 19Z,  -0.10, -20.61, -21.58,  99.90,  -0.87,
04/14 20Z,  -0.10, -16.94, -17.55,  99.90,  -0.51,
04/14 21Z,  -0.10, -12.99, -13.63,  99.90,  -0.54,
04/14 22Z,  -0.10,  -9.40, -10.24,  99.90,  -0.74,
04/14 23Z,  -0.10,  -7.01,  -7.97,  99.90,  -0.86,
04/15 00Z,  -0.10,  -6.71,  -7.57,  99.90,  -0.76,  (max)
04/15 01Z,  -0.10,  -8.64,  -9.33,  99.90,  -0.59,
04/15 02Z,  -0.10, -12.08, -12.83,  99.90,  -0.65,
04/15 03Z,  -0.10, -16.06, -16.77,  99.90,  -0.61,
04/15 04Z,  -0.10, -19.93, -20.46,  99.90,  -0.43,
04/15 05Z,  -0.10, -23.15, -23.79,  99.90,  -0.54,
04/15 06Z,  -0.10, -24.39, -25.47,  99.90,  -0.98,  (min)
04/15 07Z,  -0.10, -22.59, -23.95,  99.90,  -1.26,
04/15 08Z,  -0.10, -18.52, -19.09,  99.90,  -0.47,
04/15 09Z,  -0.10, -13.77, -14.30,  99.90,  -0.43,
04/15 10Z,  -0.10,  -9.34, -10.01,  99.90,  -0.57,
04/15 11Z,   0.00,  -6.04,  -6.79,  99.90,  -0.75,
04/15 12Z,   0.00,  -4.85,  -5.44,  99.90,  -0.59,  (max)
04/15 13Z,   0.00,  -6.21,  -6.55,  99.90,  -0.34,
04/15 14Z,   0.00,  -9.64, -10.05,  99.90,  -0.41,
04/15 15Z,   0.00, -14.06, -14.53,  99.90,  -0.47,
04/15 16Z,   0.00, -18.57, -18.65,  99.90,  -0.08,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/15 17Z,   0.00, -22.60,  99.90, -22.71,  -0.11,
04/15 18Z,   0.00, -25.06,  99.90, -25.20,  -0.13,  (min)
04/15 19Z,   0.00, -24.52,  99.90, -24.67,  -0.16,
04/15 20Z,   0.00, -20.97,  99.90, -21.15,  -0.18,
04/15 21Z,   0.00, -16.05,  99.90, -16.26,  -0.21,
04/15 22Z,   0.00, -11.21,  99.90, -11.45,  -0.24,
04/15 23Z,   0.00,  -7.32,  99.90,  -7.59,  -0.26,
04/16 00Z,   0.00,  -5.32,  99.90,  -5.60,  -0.29,  (max)
04/16 01Z,   0.00,  -5.85,  99.90,  -6.17,  -0.31,
04/16 02Z,   0.00,  -8.73,  99.90,  -9.07,  -0.34,
04/16 03Z,   0.00, -12.98,  99.90, -13.34,  -0.37,
04/16 04Z,   0.00, -17.47,  99.90, -17.87,  -0.39,
04/16 05Z,   0.00, -21.53,  99.90, -21.92,  -0.39,
04/16 06Z,  -0.10, -24.34,  99.90, -24.83,  -0.39,
04/16 07Z,  -0.10, -24.47,  99.90, -24.97,  -0.39,  (min)
04/16 08Z,  -0.10, -21.25,  99.90, -21.74,  -0.39,
04/16 09Z,  -0.10, -15.99,  99.90, -16.48,  -0.39,
04/16 10Z,  -0.20, -10.62,  99.90, -11.21,  -0.39,
04/16 11Z,  -0.20,  -6.28,  99.90,  -6.88,  -0.39,
04/16 12Z,  -0.20,  -3.82,  99.90,  -4.42,  -0.39,  (max)
04/16 13Z,  -0.20,  -3.97,  99.90,  -4.56,  -0.39,
04/16 14Z,  -0.20,  -6.77,  99.90,  -7.36,  -0.39,
04/16 15Z,  -0.20, -11.41,  99.90, -12.01,  -0.39,
04/16 16Z,  -0.30, -16.70,  99.90, -17.39,  -0.39,
04/16 17Z,  -0.30, -21.68,  99.90, -22.37,  -0.39,
04/16 18Z,  -0.30, -25.67,  99.90, -26.36,  -0.39,
04/16 19Z,  -0.30, -27.35,  99.90, -28.04,  -0.39,  (min)
04/16 20Z,  -0.40, -25.42,  99.90, -26.21,  -0.39,
04/16 21Z,  -0.40, -20.45,  99.90, -21.24,  -0.39,
04/16 22Z,  -0.40, -14.50,  99.90, -15.29,  -0.39,
04/16 23Z,  -0.40,  -9.19,  99.90,  -9.98,  -0.39,
04/17 00Z,  -0.40,  -5.47,  99.90,  -6.27,  -0.39,
04/17 01Z,  -0.30,  -4.19,  99.90,  -4.88,  -0.39,  (max)
04/17 02Z,  -0.30,  -5.68,  99.90,  -6.37,  -0.39,
04/17 03Z,  -0.30,  -9.42,  99.90, -10.12,  -0.39,
04/17 04Z,  -0.30, -14.25,  99.90, -14.94,  -0.39,
04/17 05Z,  -0.30, -18.97,  99.90, -19.67,  -0.39,
04/17 06Z,  -0.30, -22.84,  99.90, -23.54,  -0.39,
04/17 07Z,  -0.30, -24.87,  99.90, -25.56,  -0.39,  (min)
04/17 08Z,  -0.30, -23.63,  99.90, -24.33,  -0.39,
04/17 09Z,  -0.20, -19.00,  99.90, -19.59,  -0.39,
04/17 10Z,  -0.20, -12.88,  99.90, -13.48,  -0.39,
04/17 11Z,  -0.20,  -7.41,  99.90,  -8.00,  -0.39,
04/17 12Z,  -0.10,  -3.70,  99.90,  -4.19,  -0.39,
04/17 13Z,  -0.20,  -2.43,  99.90,  -3.03,  -0.39,  (max)
04/17 14Z,  -0.20,  -4.02,  99.90,  -4.61,  -0.39,
04/17 15Z,  -0.20,  -8.13,  99.90,  -8.72,  -0.39,
04/17 16Z,  -0.20, -13.72,  99.90, -14.31,  -0.39,
04/17 17Z,  -0.20, -19.53,  99.90, -20.12,  -0.39,
04/17 18Z,  -0.20, -24.63,  99.90, -25.22,  -0.39,
04/17 19Z,  -0.20, -28.17,  99.90, -28.77,  -0.39,
04/17 20Z,  -0.20, -28.74,  99.90, -29.33,  -0.39,  (min)
04/17 21Z,  -0.20, -25.36,  99.90, -25.95,  -0.39,
04/17 22Z,  -0.20, -19.22,  99.90, -19.81,  -0.39,
04/17 23Z,  -0.20, -12.69,  99.90, -13.29,  -0.39,
04/18 00Z,  -0.20,  -7.42,  99.90,  -8.01,  -0.39,
04/18 01Z,  -0.20,  -4.25,  99.90,  -4.84,  -0.39,
04/18 02Z,  -0.20,  -3.81,  99.90,  -4.40,  -0.39,  (max)
04/18 03Z,  -0.20,  -6.15,  99.90,  -6.75,  -0.39,
04/18 04Z,  -0.20, -10.51,  99.90, -11.10,  -0.39,
04/18 05Z,  -0.20, -15.60,  99.90, -16.19,  -0.39,
04/18 06Z,  -0.30, -20.23,  99.90, -20.92,  -0.39,
04/18 07Z,  -0.30, -23.59,  99.90, -24.28,  -0.39,
04/18 08Z,  -0.20, -24.57,  99.90, -25.16,  -0.39,  (min)
04/18 09Z,  -0.20, -21.95,  99.90, -22.54,  -0.39,
04/18 10Z,  -0.10, -16.23,  99.90, -16.72,  -0.39,
04/18 11Z,  -0.10,  -9.79,  99.90, -10.28,  -0.39,
04/18 12Z,  -0.10,  -4.76,  99.90,  -5.26,  -0.39,
04/18 13Z,  -0.10,  -2.05,  99.90,  -2.54,  -0.39,  (max)
04/18 14Z,  -0.10,  -2.08,  99.90,  -2.57,  -0.39,
04/18 15Z,  -0.10,  -4.92,  99.90,  -5.42,  -0.39,
04/18 16Z,  -0.10,  -9.99,  99.90, -10.48,  -0.39,
04/18 17Z,  -0.20, -16.13,  99.90, -16.73,  -0.39,
04/18 18Z,  -0.20, -22.08,  99.90, -22.67,  -0.39,
04/18 19Z,  -0.20, -26.92,  99.90, -27.51,  -0.39,
04/18 20Z,  -0.20, -29.72,  99.90, -30.31,  -0.39,  (min)
04/18 21Z,  -0.20, -29.07,  99.90, -29.66,  -0.39,
04/18 22Z,  -0.20, -24.46,  99.90, -25.05,  -0.39,
04/18 23Z,  -0.10, -17.64,  99.90, -18.13,  -0.39,
04/19 00Z,  -0.10, -11.11,  99.90, -11.60,  -0.39,
04/19 01Z,   0.00,  -6.29,  99.90,  -6.68,  -0.39,
04/19 02Z,   0.00,  -3.84,  99.90,  -4.23,  -0.39,  (max)
04/19 03Z,   0.00,  -4.16,  99.90,  -4.56,  -0.39,
04/19 04Z,   0.00,  -7.09,  99.90,  -7.48,  -0.39,
04/19 05Z,   0.00, -11.73,  99.90, -12.12,  -0.39,
04/19 06Z,   0.00, -16.75,  99.90, -17.14,  -0.39,
04/19 07Z,  99.90, -20.98,  99.90,  99.90,  -0.39,
04/19 08Z,  99.90, -23.60,  99.90,  99.90,  -0.39,
04/19 09Z,  99.90, -23.47,  99.90,  99.90,  -0.39,
04/19 10Z,  99.90, -19.73,  99.90,  99.90,  -0.39,
04/19 11Z,  99.90, -13.46,  99.90,  99.90,  -0.39,
04/19 12Z,  99.90,  -7.32,  99.90,  99.90,  -0.39,