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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Seldovia, AK
Nikiski, AK
Anchorage, AK
Kodiak Island, AK
Alitak, AK
Sand Point, AK
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Adak Island, AK
Atka, AK
Unalaska, AK
Surge List
Gulf of Alaska
#Sand Point, AK : 05/20/2026 22:22:58 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/19 06Z,  -0.30,  -4.43,  -3.79,  99.90,   0.94,
05/19 07Z,  -0.30,  -4.15,  -3.50,  99.90,   0.95,  (min)
05/19 08Z,  -0.30,  -3.27,  -2.61,  99.90,   0.96,
05/19 09Z,  -0.30,  -1.90,  -1.26,  99.90,   0.94,
05/19 10Z,  -0.30,  -0.40,   0.27,  99.90,   0.97,
05/19 11Z,  -0.30,   0.76,   1.44,  99.90,   0.98,
05/19 12Z,  -0.20,   1.21,   1.75,  99.90,   0.74,  (max)
05/19 13Z,  -0.20,   0.80,   1.33,  99.90,   0.73,
05/19 14Z,  -0.30,  -0.47,   0.20,  99.90,   0.97,
05/19 15Z,  -0.30,  -2.47,  -1.84,  99.90,   0.93,
05/19 16Z,  -0.30,  -4.86,  -4.20,  99.90,   0.96,
05/19 17Z,  -0.30,  -7.12,  -6.39,  99.90,   1.03,
05/19 18Z,  -0.20,  -8.79,  -7.97,  99.90,   1.02,
05/19 19Z,  -0.20,  -9.60,  -8.96,  99.90,   0.84,  (min)
05/19 20Z,  -0.20,  -9.48,  -8.79,  99.90,   0.89,
05/19 21Z,  -0.20,  -8.45,  -7.77,  99.90,   0.88,
05/19 22Z,  -0.30,  -6.74,  -6.16,  99.90,   0.88,
05/19 23Z,  -0.30,  -4.81,  -4.27,  99.90,   0.84,
05/20 00Z,  -0.40,  -3.12,  -2.62,  99.90,   0.90,
05/20 01Z,  -0.40,  -1.96,  -1.47,  99.90,   0.89,
05/20 02Z,  -0.40,  -1.46,  -0.92,  99.90,   0.94,  (max)
05/20 03Z,  -0.30,  -1.64,  -1.12,  99.90,   0.82,
05/20 04Z,  -0.30,  -2.37,  -1.68,  99.90,   0.99,
05/20 05Z,  -0.30,  -3.30,  -2.60,  99.90,   1.00,
05/20 06Z,  -0.30,  -4.01,  -3.34,  99.90,   0.97,
05/20 07Z,  -0.30,  -4.25,  -3.54,  99.90,   1.01,  (min)
05/20 08Z,  -0.30,  -3.95,  -3.14,  99.90,   1.11,
05/20 09Z,  -0.30,  -3.09,  -2.33,  99.90,   1.06,
05/20 10Z,  -0.30,  -1.83,  -1.24,  99.90,   0.89,
05/20 11Z,  -0.30,  -0.50,   0.08,  99.90,   0.88,
05/20 12Z,  -0.30,   0.45,   1.05,  99.90,   0.90,
05/20 13Z,  -0.40,   0.73,   1.30,  99.90,   0.97,  (max)
05/20 14Z,  -0.40,   0.24,   0.77,  99.90,   0.93,
05/20 15Z,  -0.40,  -1.01,  -0.46,  99.90,   0.95,
05/20 16Z,  -0.40,  -2.91,  -2.33,  99.90,   0.98,
05/20 17Z,  -0.40,  -5.09,  -4.42,  99.90,   1.07,
05/20 18Z,  -0.40,  -7.09,  -6.45,  99.90,   1.04,
05/20 19Z,  -0.40,  -8.51,  -7.88,  99.90,   1.03,
05/20 20Z,  -0.40,  -9.14,  -8.55,  99.90,   0.99,  (min)
05/20 21Z,  -0.40,  -8.93,  -8.27,  99.90,   1.06,
05/20 22Z,  -0.40,  -7.89,  -7.19,  99.90,   1.10,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/20 23Z,  -0.40,  -6.28,  99.90,  -5.59,   1.10,
05/21 00Z,  -0.50,  -4.52,  99.90,  -3.93,   1.09,
05/21 01Z,  -0.50,  -3.01,  99.90,  -2.42,   1.08,
05/21 02Z,  -0.40,  -1.98,  99.90,  -1.31,   1.08,
05/21 03Z,  -0.30,  -1.55,  99.90,  -0.78,   1.07,
05/21 04Z,  -0.10,  -1.74,  99.90,  -0.78,   1.06,  (max)
05/21 05Z,   0.00,  -2.42,  99.90,  -1.37,   1.06,
05/21 06Z,   0.00,  -3.26,  99.90,  -2.21,   1.05,
05/21 07Z,   0.00,  -3.89,  99.90,  -2.85,   1.04,
05/21 08Z,   0.00,  -4.12,  99.90,  -3.08,   1.04,  (min)
05/21 09Z,  -0.10,  -3.87,  99.90,  -2.93,   1.03,
05/21 10Z,  -0.10,  -3.14,  99.90,  -2.21,   1.02,
05/21 11Z,  -0.10,  -2.05,  99.90,  -1.13,   1.02,
05/21 12Z,  -0.10,  -0.93,  99.90,  -0.01,   1.02,
05/21 13Z,  -0.20,  -0.16,  99.90,   0.66,   1.02,
05/21 14Z,  -0.20,   0.03,  99.90,   0.86,   1.02,  (max)
05/21 15Z,  -0.30,  -0.44,  99.90,   0.29,   1.02,
05/21 16Z,  -0.20,  -1.56,  99.90,  -0.74,   1.02,
05/21 17Z,  -0.20,  -3.23,  99.90,  -2.41,   1.02,
05/21 18Z,  -0.20,  -5.13,  99.90,  -4.31,   1.02,
05/21 19Z,  -0.30,  -6.83,  99.90,  -6.10,   1.02,
05/21 20Z,  -0.30,  -8.00,  99.90,  -7.28,   1.02,
05/21 21Z,  -0.40,  -8.50,  99.90,  -7.88,   1.02,  (min)
05/21 22Z,  -0.40,  -8.25,  99.90,  -7.62,   1.02,
05/21 23Z,  -0.50,  -7.27,  99.90,  -6.75,   1.02,
05/22 00Z,  -0.60,  -5.80,  99.90,  -5.37,   1.02,
05/22 01Z,  -0.70,  -4.21,  99.90,  -3.89,   1.02,
05/22 02Z,  -0.70,  -2.87,  99.90,  -2.54,   1.02,
05/22 03Z,  -0.70,  -1.94,  99.90,  -1.62,   1.02,
05/22 04Z,  -0.80,  -1.55,  99.90,  -1.32,   1.02,  (max)
05/22 05Z,  -0.80,  -1.73,  99.90,  -1.51,   1.02,
05/22 06Z,  -0.70,  -2.37,  99.90,  -2.04,   1.02,
05/22 07Z,  -0.60,  -3.15,  99.90,  -2.73,   1.02,
05/22 08Z,  -0.50,  -3.78,  99.90,  -3.25,   1.02,
05/22 09Z,  -0.60,  -4.07,  99.90,  -3.65,   1.02,  (min)
05/22 10Z,  -0.60,  -3.97,  99.90,  -3.55,   1.02,
05/22 11Z,  -0.70,  -3.43,  99.90,  -3.11,   1.02,
05/22 12Z,  -0.70,  -2.56,  99.90,  -2.23,   1.02,
05/22 13Z,  -0.80,  -1.63,  99.90,  -1.41,   1.02,
05/22 14Z,  -0.80,  -0.98,  99.90,  -0.76,   1.02,
05/22 15Z,  -0.90,  -0.79,  99.90,  -0.67,   1.02,  (max)
05/22 16Z,  -0.90,  -1.14,  99.90,  -1.01,   1.02,
05/22 17Z,  -0.80,  -2.04,  99.90,  -1.82,   1.02,
05/22 18Z,  -0.70,  -3.42,  99.90,  -3.10,   1.02,
05/22 19Z,  -0.60,  -5.00,  99.90,  -4.58,   1.02,
05/22 20Z,  -0.60,  -6.41,  99.90,  -5.98,   1.02,
05/22 21Z,  -0.60,  -7.38,  99.90,  -6.95,   1.02,
05/22 22Z,  -0.60,  -7.78,  99.90,  -7.35,   1.02,  (min)
05/22 23Z,  -0.60,  -7.53,  99.90,  -7.10,   1.02,
05/23 00Z,  -0.70,  -6.63,  99.90,  -6.31,   1.02,
05/23 01Z,  -0.80,  -5.29,  99.90,  -5.07,   1.02,
05/23 02Z,  -0.80,  -3.86,  99.90,  -3.64,   1.02,
05/23 03Z,  -0.80,  -2.64,  99.90,  -2.41,   1.02,
05/23 04Z,  -0.80,  -1.78,  99.90,  -1.56,   1.02,
05/23 05Z,  -0.70,  -1.41,  99.90,  -1.09,   1.02,  (max)
05/23 06Z,  -0.60,  -1.60,  99.90,  -1.18,   1.02,
05/23 07Z,  -0.60,  -2.24,  99.90,  -1.82,   1.02,
05/23 08Z,  -0.50,  -3.05,  99.90,  -2.52,   1.02,
05/23 09Z,  -0.50,  -3.75,  99.90,  -3.23,   1.02,
05/23 10Z,  -0.60,  -4.20,  99.90,  -3.78,   1.02,
05/23 11Z,  -0.60,  -4.30,  99.90,  -3.88,   1.02,  (min)
05/23 12Z,  -0.70,  -3.97,  99.90,  -3.65,   1.02,
05/23 13Z,  -0.70,  -3.29,  99.90,  -2.97,   1.02,
05/23 14Z,  -0.70,  -2.50,  99.90,  -2.18,   1.02,
05/23 15Z,  -0.80,  -1.89,  99.90,  -1.67,   1.02,
05/23 16Z,  -0.70,  -1.62,  99.90,  -1.29,   1.02,  (max)
05/23 17Z,  -0.60,  -1.76,  99.90,  -1.34,   1.02,
05/23 18Z,  -0.60,  -2.40,  99.90,  -1.98,   1.02,
05/23 19Z,  -0.50,  -3.48,  99.90,  -2.96,   1.02,
05/23 20Z,  -0.40,  -4.76,  99.90,  -4.13,   1.02,
05/23 21Z,  -0.30,  -5.91,  99.90,  -5.18,   1.02,
05/23 22Z,  -0.30,  -6.71,  99.90,  -5.99,   1.02,
05/23 23Z,  -0.40,  -7.05,  99.90,  -6.43,   1.02,  (min)
05/24 00Z,  -0.50,  -6.81,  99.90,  -6.29,   1.02,
05/24 01Z,  -0.50,  -5.98,  99.90,  -5.46,   1.02,
05/24 02Z,  -0.60,  -4.75,  99.90,  -4.32,   1.02,
05/24 03Z,  -0.50,  -3.43,  99.90,  -2.91,   1.02,
05/24 04Z,  -0.50,  -2.29,  99.90,  -1.77,   1.02,
05/24 05Z,  -0.40,  -1.49,  99.90,  -0.87,   1.02,
05/24 06Z,  -0.30,  -1.17,  99.90,  -0.44,   1.02,  (max)
05/24 07Z,  -0.10,  -1.42,  99.90,  -0.49,   1.02,
05/24 08Z,   0.00,  -2.13,  99.90,  -1.11,   1.02,
05/24 09Z,   0.00,  -3.04,  99.90,  -2.02,   1.02,
05/24 10Z,  -0.10,  -3.90,  99.90,  -2.98,   1.02,
05/24 11Z,  -0.10,  -4.55,  99.90,  -3.63,   1.02,
05/24 12Z,  -0.20,  -4.86,  99.90,  -4.03,   1.02,
05/24 13Z,  99.90,  -4.70,  99.90,  99.90,   1.02,
05/24 14Z,  99.90,  -4.14,  99.90,  99.90,   1.02,
05/24 15Z,  99.90,  -3.40,  99.90,  99.90,   1.02,
05/24 16Z,  99.90,  -2.74,  99.90,  99.90,   1.02,
05/24 17Z,  99.90,  -2.31,  99.90,  99.90,   1.02,
05/24 18Z,  99.90,  -2.23,  99.90,  99.90,   1.02,