EXTRA-TROPICAL  STORM  SURGE
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hat-on
mhhw-on
msl-on
mllw-on
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Alaska
Gulf of Alaska
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Elfin Cove, AK
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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
#Alitak, AK : 10/17/2026 11:21:16 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/15 12Z,  -0.20,   2.10,   2.78,  99.90,   0.88,
10/15 13Z,  -0.10,   3.37,   4.00,  99.90,   0.73,  (max)
10/15 14Z,   0.00,   3.48,   3.97,  99.90,   0.49,
10/15 15Z,   0.00,   2.70,   3.26,  99.90,   0.56,
10/15 16Z,   0.00,   1.39,   2.10,  99.90,   0.71,
10/15 17Z,   0.10,  -0.00,   0.81,  99.90,   0.71,
10/15 18Z,   0.10,  -1.07,  -0.19,  99.90,   0.78,
10/15 19Z,   0.10,  -1.48,  -0.55,  99.90,   0.83,  (min)
10/15 20Z,   0.10,  -1.05,  -0.14,  99.90,   0.81,
10/15 21Z,   0.20,   0.09,   0.87,  99.90,   0.58,
10/15 22Z,   0.20,   1.64,   2.42,  99.90,   0.58,
10/15 23Z,   0.20,   3.32,   4.08,  99.90,   0.56,
10/16 00Z,   0.20,   4.70,   5.25,  99.90,   0.35,
10/16 01Z,   0.10,   5.20,   5.70,  99.90,   0.40,  (max)
10/16 02Z,   0.20,   4.58,   5.22,  99.90,   0.44,
10/16 03Z,   0.10,   3.07,   3.77,  99.90,   0.60,
10/16 04Z,   0.10,   1.04,   1.72,  99.90,   0.58,
10/16 05Z,   0.00,  -1.18,  -0.60,  99.90,   0.58,
10/16 06Z,   0.00,  -3.20,  -2.68,  99.90,   0.52,
10/16 07Z,   0.00,  -4.63,  -4.16,  99.90,   0.47,
10/16 08Z,   0.00,  -5.17,  -4.61,  99.90,   0.56,  (min)
10/16 09Z,   0.00,  -4.74,  -4.17,  99.90,   0.57,
10/16 10Z,   0.00,  -3.51,  -2.99,  99.90,   0.52,
10/16 11Z,   0.00,  -1.72,  -1.17,  99.90,   0.55,
10/16 12Z,   0.00,   0.27,   0.79,  99.90,   0.52,
10/16 13Z,   0.00,   1.89,   2.28,  99.90,   0.39,
10/16 14Z,   0.00,   2.65,   2.96,  99.90,   0.31,  (max)
10/16 15Z,   0.00,   2.54,   2.88,  99.90,   0.34,
10/16 16Z,   0.00,   1.84,   2.09,  99.90,   0.25,
10/16 17Z,   0.00,   0.86,   1.14,  99.90,   0.28,
10/16 18Z,   0.10,  -0.09,   0.32,  99.90,   0.31,
10/16 19Z,   0.20,  -0.70,  -0.38,  99.90,   0.12,
10/16 20Z,   0.20,  -0.72,  -0.48,  99.90,   0.04,  (min)
10/16 21Z,   0.20,  -0.10,   0.02,  99.90,  -0.08,
10/16 22Z,   0.10,   0.96,   1.02,  99.90,  -0.04,
10/16 23Z,   0.10,   2.19,   2.18,  99.90,  -0.11,
10/17 00Z,   0.30,   3.37,   3.41,  99.90,  -0.26,
10/17 01Z,   0.30,   4.17,   4.22,  99.90,  -0.25,
10/17 02Z,   0.30,   4.18,   4.24,  99.90,  -0.24,  (max)
10/17 03Z,   0.30,   3.35,   3.55,  99.90,  -0.10,
10/17 04Z,   0.20,   1.96,   2.27,  99.90,   0.11,
10/17 05Z,   0.10,   0.28,   0.30,  99.90,  -0.08,
10/17 06Z,   0.00,  -1.47,  -1.48,  99.90,  -0.01,
10/17 07Z,   0.00,  -3.00,  -3.08,  99.90,  -0.08,
10/17 08Z,   0.00,  -4.01,  -4.16,  99.90,  -0.15,
10/17 09Z,   0.00,  -4.29,  -4.39,  99.90,  -0.10,  (min)
10/17 10Z,   0.00,  -3.82,  -3.74,  99.90,   0.08,
10/17 11Z,   0.10,  -2.78,  -2.69,  99.90,  -0.01,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/17 12Z,   0.10,  -1.35,  99.90,  -1.22,   0.03,
10/17 13Z,   0.20,   0.20,  99.90,   0.47,   0.07,
10/17 14Z,   0.10,   1.40,  99.90,   1.61,   0.11,
10/17 15Z,   0.10,   1.91,  99.90,   2.16,   0.15,  (max)
10/17 16Z,   0.00,   1.83,  99.90,   2.02,   0.19,
10/17 17Z,   0.00,   1.38,  99.90,   1.61,   0.23,
10/17 18Z,   0.00,   0.74,  99.90,   1.02,   0.27,
10/17 19Z,   0.00,   0.14,  99.90,   0.45,   0.31,
10/17 20Z,   0.00,  -0.18,  99.90,   0.17,   0.35,  (min)
10/17 21Z,   0.00,  -0.07,  99.90,   0.32,   0.39,
10/17 22Z,   0.00,   0.49,  99.90,   0.92,   0.43,
10/17 23Z,   0.00,   1.29,  99.90,   1.76,   0.47,
10/18 00Z,   0.00,   2.13,  99.90,   2.60,   0.47,
10/18 01Z,   0.00,   2.89,  99.90,   3.36,   0.47,
10/18 02Z,   0.00,   3.33,  99.90,   3.80,   0.47,  (max)
10/18 03Z,   0.00,   3.17,  99.90,   3.64,   0.47,
10/18 04Z,   0.00,   2.44,  99.90,   2.91,   0.47,
10/18 05Z,   0.00,   1.35,  99.90,   1.82,   0.47,
10/18 06Z,   0.00,   0.05,  99.90,   0.53,   0.47,
10/18 07Z,   0.00,  -1.31,  99.90,  -0.84,   0.47,
10/18 08Z,   0.00,  -2.54,  99.90,  -2.06,   0.47,
10/18 09Z,  -0.10,  -3.37,  99.90,  -3.00,   0.47,
10/18 10Z,  -0.10,  -3.64,  99.90,  -3.26,   0.47,  (min)
10/18 11Z,  -0.20,  -3.31,  99.90,  -3.04,   0.47,
10/18 12Z,  -0.30,  -2.53,  99.90,  -2.36,   0.47,
10/18 13Z,  -0.30,  -1.40,  99.90,  -1.23,   0.47,
10/18 14Z,  -0.40,  -0.12,  99.90,  -0.04,   0.47,
10/18 15Z,  -0.40,   0.92,  99.90,   0.99,   0.47,
10/18 16Z,  -0.40,   1.46,  99.90,   1.54,   0.47,
10/18 17Z,  -0.50,   1.58,  99.90,   1.55,   0.47,  (max)
10/18 18Z,  -0.50,   1.39,  99.90,   1.36,   0.47,
10/18 19Z,  -0.40,   1.00,  99.90,   1.07,   0.47,
10/18 20Z,  -0.40,   0.55,  99.90,   0.62,   0.47,
10/18 21Z,  -0.40,   0.25,  99.90,   0.32,   0.47,
10/18 22Z,  -0.40,   0.24,  99.90,   0.31,   0.47,  (min)
10/18 23Z,  -0.40,   0.55,  99.90,   0.62,   0.47,
10/19 00Z,  -0.40,   1.02,  99.90,   1.10,   0.47,
10/19 01Z,  -0.40,   1.56,  99.90,   1.63,   0.47,
10/19 02Z,  -0.50,   2.12,  99.90,   2.09,   0.47,
10/19 03Z,  -0.50,   2.50,  99.90,   2.47,   0.47,  (max)
10/19 04Z,  -0.50,   2.46,  99.90,   2.43,   0.47,
10/19 05Z,  -0.50,   2.01,  99.90,   1.98,   0.47,
10/19 06Z,  -0.40,   1.26,  99.90,   1.33,   0.47,
10/19 07Z,  -0.40,   0.26,  99.90,   0.33,   0.47,
10/19 08Z,  -0.40,  -0.92,  99.90,  -0.84,   0.47,
10/19 09Z,  -0.40,  -2.07,  99.90,  -2.00,   0.47,
10/19 10Z,  -0.40,  -2.97,  99.90,  -2.90,   0.47,
10/19 11Z,  -0.40,  -3.37,  99.90,  -3.30,   0.47,  (min)
10/19 12Z,  -0.40,  -3.25,  99.90,  -3.18,   0.47,
10/19 13Z,  -0.50,  -2.66,  99.90,  -2.69,   0.47,
10/19 14Z,  -0.50,  -1.63,  99.90,  -1.66,   0.47,
10/19 15Z,  -0.50,  -0.35,  99.90,  -0.38,   0.47,
10/19 16Z,  -0.50,   0.79,  99.90,   0.76,   0.47,
10/19 17Z,  -0.50,   1.52,  99.90,   1.49,   0.47,
10/19 18Z,  -0.50,   1.85,  99.90,   1.82,   0.47,  (max)
10/19 19Z,  -0.50,   1.81,  99.90,   1.79,   0.47,
10/19 20Z,  -0.50,   1.45,  99.90,   1.42,   0.47,
10/19 21Z,  -0.50,   0.89,  99.90,   0.86,   0.47,
10/19 22Z,  -0.50,   0.35,  99.90,   0.32,   0.47,
10/19 23Z,  -0.50,   0.04,  99.90,   0.01,   0.47,
10/20 00Z,  -0.50,   0.03,  99.90,   0.01,   0.47,  (min)
10/20 01Z,  -0.50,   0.25,  99.90,   0.23,   0.47,
10/20 02Z,  -0.60,   0.69,  99.90,   0.56,   0.47,
10/20 03Z,  -0.60,   1.33,  99.90,   1.20,   0.47,
10/20 04Z,  -0.70,   1.94,  99.90,   1.71,   0.47,
10/20 05Z,  -0.70,   2.20,  99.90,   1.98,   0.47,  (max)
10/20 06Z,  -0.60,   2.08,  99.90,   1.95,   0.47,
10/20 07Z,  -0.60,   1.58,  99.90,   1.46,   0.47,
10/20 08Z,  -0.50,   0.69,  99.90,   0.67,   0.47,
10/20 09Z,  -0.50,  -0.53,  99.90,  -0.55,   0.47,
10/20 10Z,  -0.60,  -1.85,  99.90,  -1.97,   0.47,
10/20 11Z,  -0.60,  -2.94,  99.90,  -3.06,   0.47,
10/20 12Z,  -0.60,  -3.51,  99.90,  -3.64,   0.47,  (min)
10/20 13Z,  -0.60,  -3.50,  99.90,  -3.63,   0.47,
10/20 14Z,  -0.60,  -2.91,  99.90,  -3.03,   0.47,
10/20 15Z,  -0.60,  -1.72,  99.90,  -1.85,   0.47,
10/20 16Z,  -0.50,  -0.20,  99.90,  -0.23,   0.47,
10/20 17Z,  -0.40,   1.18,  99.90,   1.25,   0.47,
10/20 18Z,  -0.20,   2.12,  99.90,   2.39,   0.47,
10/20 19Z,   0.00,   2.56,  99.90,   3.03,   0.47,
10/20 20Z,   0.10,   2.46,  99.90,   3.03,   0.47,  (max)
10/20 21Z,   0.30,   1.84,  99.90,   2.62,   0.47,
10/20 22Z,   0.50,   0.90,  99.90,   1.87,   0.47,
10/20 23Z,   0.40,  -0.06,  99.90,   0.81,   0.47,
10/21 00Z,   0.30,  -0.73,  99.90,   0.04,   0.47,