EXTRA-TROPICAL  STORM  SURGE
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hat-on
mhhw-on
msl-on
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Alaska
Gulf of Alaska
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Elfin Cove, AK
Yakutat, AK
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Seward, AK
Seldovia, AK
Nikiski, AK
Anchorage, AK
Kodiak Island, AK
Alitak, AK
Sand Point, AK
King Cove, AK
Adak Island, AK
Atka, AK
Unalaska, AK
Surge List
Gulf of Alaska
#Seward, AK : 04/22/2026 17:22:49 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/21 00Z,   1.10,  -1.87,  -2.50,  99.90,  -1.73,
04/21 01Z,   1.10,  -1.69,  -2.33,  99.90,  -1.74,  (max)
04/21 02Z,   1.10,  -2.55,  -3.09,  99.90,  -1.64,
04/21 03Z,   1.00,  -4.12,  -4.68,  99.90,  -1.56,
04/21 04Z,   1.00,  -5.94,  -6.65,  99.90,  -1.71,
04/21 05Z,   0.90,  -7.43,  -7.98,  99.90,  -1.45,
04/21 06Z,   0.90,  -8.03,  -8.53,  99.90,  -1.40,  (min)
04/21 07Z,   1.00,  -7.45,  -7.99,  99.90,  -1.54,
04/21 08Z,   1.00,  -5.82,  -6.48,  99.90,  -1.66,
04/21 09Z,   1.00,  -3.56,  -4.11,  99.90,  -1.55,
04/21 10Z,   1.00,  -1.23,  -1.81,  99.90,  -1.58,
04/21 11Z,   1.00,   0.58,   0.00,  99.90,  -1.58,
04/21 12Z,   0.90,   1.36,   0.73,  99.90,  -1.53,  (max)
04/21 13Z,   0.90,   0.86,   0.18,  99.90,  -1.58,
04/21 14Z,   0.90,  -0.85,  -1.61,  99.90,  -1.66,
04/21 15Z,   0.90,  -3.48,  -4.17,  99.90,  -1.59,
04/21 16Z,   0.90,  -6.54,  -7.16,  99.90,  -1.52,
04/21 17Z,   0.80,  -9.46, -10.14,  99.90,  -1.48,
04/21 18Z,   0.80, -11.57, -12.18,  99.90,  -1.41,
04/21 19Z,   0.90, -12.40, -12.99,  99.90,  -1.49,  (min)
04/21 20Z,   0.90, -11.85, -12.46,  99.90,  -1.51,
04/21 21Z,   0.90, -10.19, -10.91,  99.90,  -1.62,
04/21 22Z,   0.90,  -7.90,  -8.63,  99.90,  -1.63,
04/21 23Z,   0.90,  -5.52,  -6.30,  99.90,  -1.68,
04/22 00Z,   0.80,  -3.59,  -4.40,  99.90,  -1.61,
04/22 01Z,   0.80,  -2.50,  -3.32,  99.90,  -1.62,
04/22 02Z,   0.80,  -2.38,  -3.12,  99.90,  -1.54,  (max)
04/22 03Z,   0.80,  -3.10,  -3.92,  99.90,  -1.62,
04/22 04Z,   0.80,  -4.39,  -5.14,  99.90,  -1.55,
04/22 05Z,   0.80,  -5.85,  -6.60,  99.90,  -1.55,
04/22 06Z,   0.80,  -6.99,  -7.71,  99.90,  -1.52,
04/22 07Z,   0.80,  -7.33,  -8.01,  99.90,  -1.48,  (min)
04/22 08Z,   0.80,  -6.69,  -7.35,  99.90,  -1.46,
04/22 09Z,   0.80,  -5.22,  -5.91,  99.90,  -1.49,
04/22 10Z,   0.80,  -3.31,  -4.09,  99.90,  -1.58,
04/22 11Z,   0.80,  -1.41,  -2.23,  99.90,  -1.62,
04/22 12Z,   0.70,  -0.01,  -0.77,  99.90,  -1.46,
04/22 13Z,   0.70,   0.50,  -0.43,  99.90,  -1.63,  (max)
04/22 14Z,   0.60,  -0.07,  -1.00,  99.90,  -1.53,
04/22 15Z,   0.70,  -1.65,  -2.57,  99.90,  -1.62,
04/22 16Z,   0.60,  -3.96,  -4.92,  99.90,  -1.56,
04/22 17Z,   0.60,  -6.62,  -7.52,  99.90,  -1.50,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/22 18Z,   0.60,  -9.12,  99.90, -10.03,  -1.50,
04/22 19Z,   0.60, -10.91,  99.90, -11.82,  -1.51,
04/22 20Z,   0.60, -11.58,  99.90, -12.50,  -1.52,  (min)
04/22 21Z,   0.60, -11.10,  99.90, -12.02,  -1.52,
04/22 22Z,   0.60,  -9.71,  99.90, -10.64,  -1.53,
04/22 23Z,   0.60,  -7.79,  99.90,  -8.72,  -1.53,
04/23 00Z,   0.60,  -5.78,  99.90,  -6.71,  -1.54,
04/23 01Z,   0.50,  -4.11,  99.90,  -5.15,  -1.54,
04/23 02Z,   0.60,  -3.11,  99.90,  -4.06,  -1.55,
04/23 03Z,   0.50,  -2.89,  99.90,  -3.95,  -1.56,  (max)
04/23 04Z,   0.60,  -3.36,  99.90,  -4.33,  -1.56,
04/23 05Z,   0.50,  -4.34,  99.90,  -5.41,  -1.57,
04/23 06Z,   0.60,  -5.50,  99.90,  -6.47,  -1.57,
04/23 07Z,   0.50,  -6.43,  99.90,  -7.49,  -1.57,
04/23 08Z,   0.50,  -6.72,  99.90,  -7.79,  -1.57,  (min)
04/23 09Z,   0.50,  -6.25,  99.90,  -7.31,  -1.57,
04/23 10Z,   0.50,  -5.12,  99.90,  -6.19,  -1.57,
04/23 11Z,   0.50,  -3.64,  99.90,  -4.71,  -1.57,
04/23 12Z,   0.50,  -2.14,  99.90,  -3.21,  -1.57,
04/23 13Z,   0.40,  -1.00,  99.90,  -2.17,  -1.57,
04/23 14Z,   0.40,  -0.56,  99.90,  -1.73,  -1.57,  (max)
04/23 15Z,   0.40,  -0.98,  99.90,  -2.15,  -1.57,
04/23 16Z,   0.30,  -2.23,  99.90,  -3.50,  -1.57,
04/23 17Z,   0.40,  -4.12,  99.90,  -5.29,  -1.57,
04/23 18Z,   0.40,  -6.35,  99.90,  -7.52,  -1.57,
04/23 19Z,   0.40,  -8.50,  99.90,  -9.67,  -1.57,
04/23 20Z,   0.30, -10.09,  99.90, -11.36,  -1.57,
04/23 21Z,   0.40, -10.77,  99.90, -11.94,  -1.57,  (min)
04/23 22Z,   0.40, -10.49,  99.90, -11.66,  -1.57,
04/23 23Z,   0.40,  -9.43,  99.90, -10.60,  -1.57,
04/24 00Z,   0.30,  -7.85,  99.90,  -9.12,  -1.57,
04/24 01Z,   0.40,  -6.09,  99.90,  -7.26,  -1.57,
04/24 02Z,   0.30,  -4.53,  99.90,  -5.80,  -1.57,
04/24 03Z,   0.40,  -3.47,  99.90,  -4.64,  -1.57,
04/24 04Z,   0.40,  -3.05,  99.90,  -4.22,  -1.57,  (max)
04/24 05Z,   0.40,  -3.26,  99.90,  -4.42,  -1.57,
04/24 06Z,   0.40,  -3.99,  99.90,  -5.15,  -1.57,
04/24 07Z,   0.50,  -5.00,  99.90,  -6.06,  -1.57,
04/24 08Z,   0.50,  -5.92,  99.90,  -6.98,  -1.57,
04/24 09Z,   0.50,  -6.38,  99.90,  -7.45,  -1.57,  (min)
04/24 10Z,   0.50,  -6.24,  99.90,  -7.31,  -1.57,
04/24 11Z,   0.50,  -5.54,  99.90,  -6.61,  -1.57,
04/24 12Z,   0.50,  -4.46,  99.90,  -5.52,  -1.57,
04/24 13Z,   0.30,  -3.22,  99.90,  -4.49,  -1.57,
04/24 14Z,   0.30,  -2.16,  99.90,  -3.43,  -1.57,
04/24 15Z,   0.20,  -1.59,  99.90,  -2.96,  -1.57,  (max)
04/24 16Z,   0.20,  -1.71,  99.90,  -3.07,  -1.57,
04/24 17Z,   0.10,  -2.54,  99.90,  -4.01,  -1.57,
04/24 18Z,   0.10,  -4.00,  99.90,  -5.47,  -1.57,
04/24 19Z,   0.10,  -5.88,  99.90,  -7.35,  -1.57,
04/24 20Z,   0.20,  -7.82,  99.90,  -9.18,  -1.57,
04/24 21Z,   0.20,  -9.34,  99.90, -10.71,  -1.57,
04/24 22Z,   0.20, -10.14,  99.90, -11.51,  -1.57,  (min)
04/24 23Z,   0.20, -10.11,  99.90, -11.48,  -1.57,
04/25 00Z,   0.30,  -9.33,  99.90, -10.60,  -1.57,
04/25 01Z,   0.30,  -7.95,  99.90,  -9.22,  -1.57,
04/25 02Z,   0.30,  -6.27,  99.90,  -7.54,  -1.57,
04/25 03Z,   0.30,  -4.65,  99.90,  -5.92,  -1.57,
04/25 04Z,   0.30,  -3.43,  99.90,  -4.70,  -1.57,
04/25 05Z,   0.40,  -2.80,  99.90,  -3.97,  -1.57,  (max)
04/25 06Z,   0.40,  -2.82,  99.90,  -3.99,  -1.57,
04/25 07Z,   0.30,  -3.47,  99.90,  -4.73,  -1.57,
04/25 08Z,   0.40,  -4.53,  99.90,  -5.70,  -1.57,
04/25 09Z,   0.50,  -5.65,  99.90,  -6.72,  -1.57,
04/25 10Z,   0.50,  -6.45,  99.90,  -7.52,  -1.57,
04/25 11Z,   0.40,  -6.71,  99.90,  -7.88,  -1.57,  (min)
04/25 12Z,   0.30,  -6.40,  99.90,  -7.67,  -1.57,
04/25 13Z,   0.30,  -5.58,  99.90,  -6.84,  -1.57,
04/25 14Z,   0.30,  -4.42,  99.90,  -5.69,  -1.57,
04/25 15Z,   0.30,  -3.24,  99.90,  -4.51,  -1.57,
04/25 16Z,   0.20,  -2.40,  99.90,  -3.76,  -1.57,
04/25 17Z,   0.30,  -2.14,  99.90,  -3.41,  -1.57,  (max)
04/25 18Z,   0.20,  -2.59,  99.90,  -3.96,  -1.57,
04/25 19Z,   0.30,  -3.73,  99.90,  -5.00,  -1.57,
04/25 20Z,   0.30,  -5.40,  99.90,  -6.67,  -1.57,
04/25 21Z,   0.30,  -7.26,  99.90,  -8.52,  -1.57,
04/25 22Z,   0.30,  -8.83,  99.90, -10.10,  -1.57,
04/25 23Z,   0.30,  -9.78,  99.90, -11.05,  -1.57,
04/26 00Z,   0.30,  -9.93,  99.90, -11.19,  -1.57,  (min)
04/26 01Z,   0.20,  -9.26,  99.90, -10.63,  -1.57,
04/26 02Z,   0.20,  -7.90,  99.90,  -9.27,  -1.57,
04/26 03Z,   0.20,  -6.12,  99.90,  -7.49,  -1.57,
04/26 04Z,   0.30,  -4.35,  99.90,  -5.62,  -1.57,
04/26 05Z,   0.20,  -2.96,  99.90,  -4.33,  -1.57,
04/26 06Z,   0.30,  -2.20,  99.90,  -3.47,  -1.57,
04/26 07Z,   0.40,  -2.21,  99.90,  -3.38,  -1.57,  (max)
04/26 08Z,   0.40,  -2.98,  99.90,  -4.15,  -1.57,
04/26 09Z,   0.40,  -4.31,  99.90,  -5.48,  -1.57,
04/26 10Z,   0.40,  -5.78,  99.90,  -6.95,  -1.57,
04/26 11Z,   0.50,  -6.97,  99.90,  -8.04,  -1.57,
04/26 12Z,   0.40,  -7.59,  99.90,  -8.76,  -1.57,