EXTRA-TROPICAL  STORM  SURGE
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Alaska
Gulf of Alaska
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Elfin Cove, AK
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Seldovia, AK
Nikiski, AK
Anchorage, AK
Kodiak Island, AK
Alitak, AK
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Atka, AK
Unalaska, AK
Surge List
Gulf of Alaska
#Nikiski, AK : 04/12/2026 18:22:01 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/11 00Z,  -0.50, -17.85, -19.01,  99.90,  -0.66,
04/11 01Z,  -0.50, -19.46, -20.90,  99.90,  -0.94,
04/11 02Z,  -0.50, -20.76, -22.07,  99.90,  -0.81,
04/11 03Z,  -0.50, -20.91, -22.15,  99.90,  -0.74,  (min)
04/11 04Z,  -0.50, -19.60, -20.75,  99.90,  -0.65,
04/11 05Z,  -0.50, -17.64, -18.66,  99.90,  -0.52,
04/11 06Z,  -0.50, -15.57, -16.27,  99.90,  -0.20,
04/11 07Z,  -0.50, -13.27, -13.90,  99.90,  -0.13,
04/11 08Z,  -0.50, -11.10, -11.93,  99.90,  -0.33,
04/11 09Z,  -0.50,  -9.92, -10.72,  99.90,  -0.30,
04/11 10Z,  -0.50, -10.15, -10.60,  99.90,   0.05,  (max)
04/11 11Z,  -0.50, -11.41, -11.40,  99.90,   0.51,
04/11 12Z,  -0.50, -12.92, -12.84,  99.90,   0.58,
04/11 13Z,  -0.60, -14.39, -14.52,  99.90,   0.47,
04/11 14Z,  -0.60, -15.82, -15.97,  99.90,   0.45,
04/11 15Z,  -0.50, -16.59, -16.79,  99.90,   0.30,
04/11 16Z,  -0.50, -16.04, -16.81,  99.90,  -0.27,  (min)
04/11 17Z,  -0.50, -14.71, -16.06,  99.90,  -0.85,
04/11 18Z,  -0.50, -13.50, -14.92,  99.90,  -0.92,
04/11 19Z,  -0.50, -12.39, -13.56,  99.90,  -0.67,
04/11 20Z,  -0.50, -11.29, -12.50,  99.90,  -0.71,
04/11 21Z,  -0.50, -10.77, -12.19,  99.90,  -0.92,  (max)
04/11 22Z,  -0.50, -11.38, -12.72,  99.90,  -0.84,
04/11 23Z,  -0.50, -13.04, -14.01,  99.90,  -0.47,
04/12 00Z,  -0.40, -15.16, -15.85,  99.90,  -0.29,
04/12 01Z,  -0.40, -17.28, -18.05,  99.90,  -0.37,
04/12 02Z,  -0.40, -19.45, -20.15,  99.90,  -0.30,
04/12 03Z,  -0.40, -21.26, -21.74,  99.90,  -0.08,
04/12 04Z,  -0.40, -21.62, -22.18,  99.90,  -0.16,  (min)
04/12 05Z,  -0.40, -20.28, -21.00,  99.90,  -0.32,
04/12 06Z,  -0.30, -18.09, -18.67,  99.90,  -0.28,
04/12 07Z,  -0.30, -15.52, -15.88,  99.90,  -0.06,
04/12 08Z,  -0.30, -12.64, -13.21,  99.90,  -0.27,
04/12 09Z,  -0.30, -10.09, -10.91,  99.90,  -0.52,
04/12 10Z,  -0.30,  -8.85,  -9.51,  99.90,  -0.36,
04/12 11Z,  -0.30,  -9.26,  -9.33,  99.90,   0.23,  (max)
04/12 12Z,  -0.20, -10.85, -10.45,  99.90,   0.60,
04/12 13Z,  -0.20, -12.88, -12.46,  99.90,   0.62,
04/12 14Z,  -0.20, -15.06, -14.67,  99.90,   0.59,
04/12 15Z,  -0.20, -17.20, -16.63,  99.90,   0.77,
04/12 16Z,  -0.20, -18.34, -17.89,  99.90,   0.65,
04/12 17Z,  -0.20, -17.76, -18.09,  99.90,  -0.13,  (min)
04/12 18Z,  -0.20, -16.11, -16.96,  99.90,  -0.65,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/12 19Z,  -0.20, -14.24,  99.90, -15.06,  -0.62,
04/12 20Z,  -0.20, -12.28,  99.90, -13.06,  -0.58,
04/12 21Z,  -0.20, -10.46,  99.90, -11.21,  -0.55,
04/12 22Z,  -0.20,  -9.59,  99.90, -10.31,  -0.52,  (max)
04/12 23Z,  -0.20, -10.23,  99.90, -10.91,  -0.49,
04/13 00Z,  -0.30, -12.18,  99.90, -12.93,  -0.45,
04/13 01Z,  -0.30, -14.75,  99.90, -15.47,  -0.42,
04/13 02Z,  -0.30, -17.48,  99.90, -18.17,  -0.39,
04/13 03Z,  -0.30, -20.26,  99.90, -20.92,  -0.35,
04/13 04Z,  -0.30, -22.34,  99.90, -22.96,  -0.32,
04/13 05Z,  -0.30, -22.47,  99.90, -23.06,  -0.29,  (min)
04/13 06Z,  -0.30, -20.60,  99.90, -21.15,  -0.25,
04/13 07Z,  -0.20, -17.72,  99.90, -18.17,  -0.25,
04/13 08Z,  -0.20, -14.41,  99.90, -14.86,  -0.25,
04/13 09Z,  -0.10, -11.00,  99.90, -11.35,  -0.25,
04/13 10Z,  -0.10,  -8.40,  99.90,  -8.75,  -0.25,
04/13 11Z,  -0.10,  -7.55,  99.90,  -7.91,  -0.25,  (max)
04/13 12Z,  -0.10,  -8.63,  99.90,  -8.99,  -0.25,
04/13 13Z,  -0.10, -10.99,  99.90, -11.34,  -0.25,
04/13 14Z,  -0.10, -13.83,  99.90, -14.18,  -0.25,
04/13 15Z,  -0.10, -16.82,  99.90, -17.18,  -0.25,
04/13 16Z,  -0.10, -19.48,  99.90, -19.84,  -0.25,
04/13 17Z,  -0.10, -20.57,  99.90, -20.92,  -0.25,  (min)
04/13 18Z,  -0.20, -19.44,  99.90, -19.89,  -0.25,
04/13 19Z,  -0.20, -16.95,  99.90, -17.40,  -0.25,
04/13 20Z,  -0.20, -14.08,  99.90, -14.54,  -0.25,
04/13 21Z,  -0.10, -11.20,  99.90, -11.55,  -0.25,
04/13 22Z,  -0.10,  -8.89,  99.90,  -9.24,  -0.25,
04/13 23Z,  -0.10,  -8.08,  99.90,  -8.43,  -0.25,  (max)
04/14 00Z,   0.00,  -9.19,  99.90,  -9.44,  -0.25,
04/14 01Z,   0.00, -11.80,  99.90, -12.05,  -0.25,
04/14 02Z,   0.00, -15.06,  99.90, -15.32,  -0.25,
04/14 03Z,   0.00, -18.46,  99.90, -18.71,  -0.25,
04/14 04Z,   0.00, -21.64,  99.90, -21.90,  -0.25,
04/14 05Z,   0.00, -23.54,  99.90, -23.80,  -0.25,  (min)
04/14 06Z,   0.00, -22.94,  99.90, -23.19,  -0.25,
04/14 07Z,  -0.10, -20.09,  99.90, -20.44,  -0.25,
04/14 08Z,   0.00, -16.26,  99.90, -16.51,  -0.25,
04/14 09Z,   0.00, -12.23,  99.90, -12.49,  -0.25,
04/14 10Z,   0.00,  -8.63,  99.90,  -8.88,  -0.25,
04/14 11Z,   0.00,  -6.47,  99.90,  -6.73,  -0.25,  (max)
04/14 12Z,   0.00,  -6.53,  99.90,  -6.79,  -0.25,
04/14 13Z,   0.00,  -8.69,  99.90,  -8.94,  -0.25,
04/14 14Z,   0.00, -12.06,  99.90, -12.32,  -0.25,
04/14 15Z,  -0.10, -15.81,  99.90, -16.16,  -0.25,
04/14 16Z,  -0.10, -19.48,  99.90, -19.83,  -0.25,
04/14 17Z,  -0.10, -22.28,  99.90, -22.63,  -0.25,
04/14 18Z,  -0.20, -22.79,  99.90, -23.24,  -0.25,  (min)
04/14 19Z,  -0.20, -20.61,  99.90, -21.06,  -0.25,
04/14 20Z,  -0.20, -16.94,  99.90, -17.39,  -0.25,
04/14 21Z,  -0.20, -12.99,  99.90, -13.44,  -0.25,
04/14 22Z,  -0.20,  -9.40,  99.90,  -9.85,  -0.25,
04/14 23Z,  -0.20,  -7.01,  99.90,  -7.47,  -0.25,
04/15 00Z,  -0.20,  -6.71,  99.90,  -7.16,  -0.25,  (max)
04/15 01Z,  -0.20,  -8.64,  99.90,  -9.09,  -0.25,
04/15 02Z,  -0.20, -12.08,  99.90, -12.54,  -0.25,
04/15 03Z,  -0.20, -16.06,  99.90, -16.51,  -0.25,
04/15 04Z,  -0.30, -19.93,  99.90, -20.49,  -0.25,
04/15 05Z,  -0.30, -23.15,  99.90, -23.71,  -0.25,
04/15 06Z,  -0.30, -24.39,  99.90, -24.94,  -0.25,  (min)
04/15 07Z,  -0.30, -22.59,  99.90, -23.15,  -0.25,
04/15 08Z,  -0.30, -18.52,  99.90, -19.07,  -0.25,
04/15 09Z,  -0.30, -13.77,  99.90, -14.32,  -0.25,
04/15 10Z,  -0.30,  -9.34,  99.90,  -9.89,  -0.25,
04/15 11Z,  -0.20,  -6.04,  99.90,  -6.49,  -0.25,
04/15 12Z,  -0.20,  -4.85,  99.90,  -5.30,  -0.25,  (max)
04/15 13Z,  -0.10,  -6.21,  99.90,  -6.56,  -0.25,
04/15 14Z,  -0.10,  -9.64,  99.90,  -9.99,  -0.25,
04/15 15Z,  -0.10, -14.06,  99.90, -14.42,  -0.25,
04/15 16Z,  -0.20, -18.57,  99.90, -19.02,  -0.25,
04/15 17Z,  -0.20, -22.60,  99.90, -23.05,  -0.25,
04/15 18Z,  -0.20, -25.06,  99.90, -25.52,  -0.25,  (min)
04/15 19Z,  -0.20, -24.52,  99.90, -24.97,  -0.25,
04/15 20Z,  -0.20, -20.97,  99.90, -21.42,  -0.25,
04/15 21Z,  -0.20, -16.05,  99.90, -16.50,  -0.25,
04/15 22Z,  -0.20, -11.21,  99.90, -11.66,  -0.25,
04/15 23Z,  -0.10,  -7.32,  99.90,  -7.68,  -0.25,
04/16 00Z,  -0.10,  -5.32,  99.90,  -5.67,  -0.25,  (max)
04/16 01Z,  -0.10,  -5.85,  99.90,  -6.21,  -0.25,
04/16 02Z,   0.00,  -8.73,  99.90,  -8.99,  -0.25,
04/16 03Z,   0.00, -12.98,  99.90, -13.23,  -0.25,
04/16 04Z,  -0.10, -17.47,  99.90, -17.83,  -0.25,
04/16 05Z,  -0.10, -21.53,  99.90, -21.88,  -0.25,
04/16 06Z,  -0.10, -24.34,  99.90, -24.70,  -0.25,
04/16 07Z,  -0.10, -24.47,  99.90, -24.83,  -0.25,  (min)
04/16 08Z,  -0.10, -21.25,  99.90, -21.60,  -0.25,
04/16 09Z,  -0.10, -15.99,  99.90, -16.34,  -0.25,
04/16 10Z,   0.00, -10.62,  99.90, -10.87,  -0.25,
04/16 11Z,   0.00,  -6.28,  99.90,  -6.54,  -0.25,
04/16 12Z,   0.00,  -3.82,  99.90,  -4.08,  -0.25,