EXTRA-TROPICAL  STORM  SURGE
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hat-on
mhhw-on
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Alaska
Gulf of Alaska
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Ketchikan, AK
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Skagway, AK
Elfin Cove, AK
Yakutat, AK
Cordova, AK
Valdez, AK
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Seldovia, AK
Nikiski, AK
Anchorage, AK
Kodiak Island, AK
Alitak, AK
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Adak Island, AK
Atka, AK
Unalaska, AK
Surge List
Gulf of Alaska
#Skagway, AK : 04/22/2026 21:22:00 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/21 06Z,   1.70, -18.12, -18.82,  99.90,  -2.40,
04/21 07Z,   1.90, -17.24, -17.85,  99.90,  -2.51,  (min)
04/21 08Z,   2.10, -14.42, -14.96,  99.90,  -2.64,
04/21 09Z,   2.10, -10.58, -11.16,  99.90,  -2.68,
04/21 10Z,   2.30,  -6.75,  -7.20,  99.90,  -2.75,
04/21 11Z,   2.30,  -3.83,  -4.38,  99.90,  -2.85,
04/21 12Z,   1.60,  -2.55,  -3.27,  99.90,  -2.32,  (max)
04/21 13Z,   1.80,  -3.33,  -4.10,  99.90,  -2.57,
04/21 14Z,   1.90,  -6.06,  -6.89,  99.90,  -2.73,
04/21 15Z,   2.00, -10.18, -11.05,  99.90,  -2.87,
04/21 16Z,   2.10, -14.93, -15.94,  99.90,  -3.11,
04/21 17Z,   2.20, -19.38, -20.21,  99.90,  -3.03,
04/21 18Z,   1.60, -22.46, -23.20,  99.90,  -2.34,
04/21 19Z,   1.70, -23.27, -23.80,  99.90,  -2.23,  (min)
04/21 20Z,   1.90, -21.67, -22.19,  99.90,  -2.42,
04/21 21Z,   2.10, -18.35, -19.14,  99.90,  -2.89,
04/21 22Z,   2.20, -14.35, -15.10,  99.90,  -2.95,
04/21 23Z,   2.30, -10.57, -11.42,  99.90,  -3.15,
04/22 00Z,   1.70,  -7.77,  -8.82,  99.90,  -2.75,
04/22 01Z,   1.80,  -6.48,  -7.62,  99.90,  -2.94,  (max)
04/22 02Z,   2.00,  -6.83,  -8.04,  99.90,  -3.21,
04/22 03Z,   2.00,  -8.53,  -9.60,  99.90,  -3.07,
04/22 04Z,   2.10, -11.06, -12.04,  99.90,  -3.08,
04/22 05Z,   2.10, -13.82, -14.72,  99.90,  -3.00,
04/22 06Z,   1.60, -16.06, -17.01,  99.90,  -2.55,
04/22 07Z,   1.70, -16.91, -17.82,  99.90,  -2.61,  (min)
04/22 08Z,   1.80, -15.94, -16.69,  99.90,  -2.55,
04/22 09Z,   1.80, -13.44, -14.24,  99.90,  -2.60,
04/22 10Z,   1.90, -10.21, -11.05,  99.90,  -2.74,
04/22 11Z,   1.80,  -7.09,  -7.96,  99.90,  -2.67,
04/22 12Z,   1.40,  -4.79,  -5.71,  99.90,  -2.32,
04/22 13Z,   1.40,  -3.91,  -5.14,  99.90,  -2.63,  (max)
04/22 14Z,   1.40,  -4.79,  -6.14,  99.90,  -2.75,
04/22 15Z,   1.40,  -7.28,  -8.68,  99.90,  -2.80,
04/22 16Z,   1.50, -10.89, -12.46,  99.90,  -3.07,
04/22 17Z,   1.50, -14.96, -16.54,  99.90,  -3.08,
04/22 18Z,   1.50, -18.71, -20.03,  99.90,  -2.82,
04/22 19Z,   1.50, -21.24, -22.48,  99.90,  -2.74,
04/22 20Z,   1.40, -21.81, -22.75,  99.90,  -2.34,  (min)
04/22 21Z,   1.40, -20.39, -21.39,  99.90,  -2.40,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/22 22Z,   1.40, -17.61,  99.90, -18.63,  -2.42,
04/22 23Z,   1.40, -14.29,  99.90, -15.34,  -2.44,
04/23 00Z,   1.50, -11.14,  99.90, -12.10,  -2.47,
04/23 01Z,   1.50,  -8.75,  99.90,  -9.73,  -2.49,
04/23 02Z,   1.40,  -7.58,  99.90,  -8.69,  -2.51,  (max)
04/23 03Z,   1.40,  -7.74,  99.90,  -8.88,  -2.53,
04/23 04Z,   1.40,  -8.99,  99.90, -10.14,  -2.55,
04/23 05Z,   1.30, -10.94,  99.90, -12.22,  -2.58,
04/23 06Z,   1.30, -13.18,  99.90, -14.47,  -2.60,
04/23 07Z,   1.30, -15.05,  99.90, -16.37,  -2.62,
04/23 08Z,   1.30, -15.82,  99.90, -17.17,  -2.64,  (min)
04/23 09Z,   1.30, -15.13,  99.90, -16.50,  -2.66,
04/23 10Z,   1.30, -13.23,  99.90, -14.59,  -2.66,
04/23 11Z,   1.30, -10.71,  99.90, -12.08,  -2.66,
04/23 12Z,   1.30,  -8.20,  99.90,  -9.57,  -2.66,
04/23 13Z,   1.30,  -6.27,  99.90,  -7.63,  -2.66,
04/23 14Z,   1.30,  -5.46,  99.90,  -6.82,  -2.66,  (max)
04/23 15Z,   1.30,  -6.09,  99.90,  -7.46,  -2.66,
04/23 16Z,   1.30,  -8.06,  99.90,  -9.43,  -2.66,
04/23 17Z,   1.30, -10.97,  99.90, -12.34,  -2.66,
04/23 18Z,   1.30, -14.35,  99.90, -15.72,  -2.66,
04/23 19Z,   1.30, -17.58,  99.90, -18.94,  -2.66,
04/23 20Z,   1.20, -19.83,  99.90, -21.30,  -2.66,
04/23 21Z,   1.20, -20.49,  99.90, -21.95,  -2.66,  (min)
04/23 22Z,   1.20, -19.51,  99.90, -20.97,  -2.66,
04/23 23Z,   1.20, -17.36,  99.90, -18.83,  -2.66,
04/24 00Z,   1.20, -14.65,  99.90, -16.11,  -2.66,
04/24 01Z,   1.20, -11.89,  99.90, -13.35,  -2.66,
04/24 02Z,   1.20,  -9.62,  99.90, -11.09,  -2.66,
04/24 03Z,   1.30,  -8.31,  99.90,  -9.67,  -2.66,
04/24 04Z,   1.30,  -8.09,  99.90,  -9.46,  -2.66,  (max)
04/24 05Z,   1.40,  -8.83,  99.90, -10.10,  -2.66,
04/24 06Z,   1.40, -10.33,  99.90, -11.59,  -2.66,
04/24 07Z,   1.30, -12.29,  99.90, -13.65,  -2.66,
04/24 08Z,   1.20, -14.15,  99.90, -15.61,  -2.66,
04/24 09Z,   1.10, -15.20,  99.90, -16.77,  -2.66,  (min)
04/24 10Z,   1.00, -15.06,  99.90, -16.72,  -2.66,
04/24 11Z,   0.90, -13.83,  99.90, -15.59,  -2.66,
04/24 12Z,   0.90, -11.92,  99.90, -13.68,  -2.66,
04/24 13Z,   0.90,  -9.77,  99.90, -11.53,  -2.66,
04/24 14Z,   1.00,  -7.88,  99.90,  -9.54,  -2.66,
04/24 15Z,   1.10,  -6.83,  99.90,  -8.39,  -2.66,  (max)
04/24 16Z,   1.10,  -6.97,  99.90,  -8.54,  -2.66,
04/24 17Z,   1.10,  -8.29,  99.90,  -9.85,  -2.66,
04/24 18Z,   1.10, -10.54,  99.90, -12.11,  -2.66,
04/24 19Z,   1.00, -13.41,  99.90, -15.08,  -2.66,
04/24 20Z,   1.00, -16.37,  99.90, -18.03,  -2.66,
04/24 21Z,   0.90, -18.65,  99.90, -20.41,  -2.66,
04/24 22Z,   0.90, -19.61,  99.90, -21.37,  -2.66,  (min)
04/24 23Z,   1.00, -19.12,  99.90, -20.79,  -2.66,
04/25 00Z,   1.10, -17.50,  99.90, -19.06,  -2.66,
04/25 01Z,   1.20, -15.13,  99.90, -16.59,  -2.66,
04/25 02Z,   1.30, -12.46,  99.90, -13.82,  -2.66,
04/25 03Z,   1.40, -10.04,  99.90, -11.30,  -2.66,
04/25 04Z,   1.40,  -8.40,  99.90,  -9.66,  -2.66,
04/25 05Z,   1.40,  -7.78,  99.90,  -9.04,  -2.66,  (max)
04/25 06Z,   1.40,  -8.16,  99.90,  -9.42,  -2.66,
04/25 07Z,   1.30,  -9.47,  99.90, -10.84,  -2.66,
04/25 08Z,   1.20, -11.51,  99.90, -12.98,  -2.66,
04/25 09Z,   1.10, -13.70,  99.90, -15.26,  -2.66,
04/25 10Z,   1.00, -15.27,  99.90, -16.94,  -2.66,
04/25 11Z,   0.90, -15.74,  99.90, -17.50,  -2.66,  (min)
04/25 12Z,   0.90, -15.08,  99.90, -16.84,  -2.66,
04/25 13Z,   0.90, -13.51,  99.90, -15.27,  -2.66,
04/25 14Z,   0.90, -11.37,  99.90, -13.14,  -2.66,
04/25 15Z,   1.00,  -9.23,  99.90, -10.89,  -2.66,
04/25 16Z,   1.10,  -7.72,  99.90,  -9.28,  -2.66,
04/25 17Z,   1.30,  -7.30,  99.90,  -8.66,  -2.66,  (max)
04/25 18Z,   1.40,  -8.04,  99.90,  -9.31,  -2.66,
04/25 19Z,   1.50,  -9.84,  99.90, -11.01,  -2.66,
04/25 20Z,   1.40, -12.48,  99.90, -13.75,  -2.66,
04/25 21Z,   1.30, -15.45,  99.90, -16.82,  -2.66,
04/25 22Z,   1.10, -17.94,  99.90, -19.51,  -2.66,
04/25 23Z,   1.00, -19.25,  99.90, -20.91,  -2.66,  (min)
04/26 00Z,   0.90, -19.14,  99.90, -20.90,  -2.66,
04/26 01Z,   1.00, -17.75,  99.90, -19.41,  -2.66,
04/26 02Z,   1.10, -15.39,  99.90, -16.95,  -2.66,
04/26 03Z,   1.30, -12.50,  99.90, -13.86,  -2.66,
04/26 04Z,   1.40,  -9.76,  99.90, -11.02,  -2.66,
04/26 05Z,   1.60,  -7.79,  99.90,  -8.86,  -2.66,
04/26 06Z,   1.60,  -6.93,  99.90,  -7.99,  -2.66,  (max)
04/26 07Z,   1.60,  -7.24,  99.90,  -8.31,  -2.66,
04/26 08Z,   1.50,  -8.75,  99.90,  -9.91,  -2.66,
04/26 09Z,   1.40, -11.21,  99.90, -12.47,  -2.66,
04/26 10Z,   1.30, -13.95,  99.90, -15.31,  -2.66,
04/26 11Z,   1.20, -16.09,  99.90, -17.55,  -2.66,
04/26 12Z,   1.10, -17.04,  99.90, -18.61,  -2.66,
04/26 13Z,  99.90, -16.66,  99.90,  99.90,  -2.66,
04/26 14Z,  99.90, -15.06,  99.90,  99.90,  -2.66,
04/26 15Z,  99.90, -12.63,  99.90,  99.90,  -2.66,
04/26 16Z,  99.90, -10.02,  99.90,  99.90,  -2.66,
04/26 17Z,  99.90,  -8.01,  99.90,  99.90,  -2.66,
04/26 18Z,  99.90,  -7.13,  99.90,  99.90,  -2.66,