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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Cordova, AK
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Seldovia, AK
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Anchorage, AK
Kodiak Island, AK
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Atka, AK
Unalaska, AK
Surge List
Gulf of Alaska
#Cordova, AK : 10/18/2026 03:21:57 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/16 12Z,   0.70,   8.40,   8.75,  99.90,  -0.35,
10/16 13Z,   0.70,   9.24,   9.75,  99.90,  -0.19,
10/16 14Z,   0.70,   9.40,  10.08,  99.90,  -0.02,  (max)
10/16 15Z,   0.60,   8.97,   9.62,  99.90,   0.05,
10/16 16Z,   0.70,   8.08,   8.73,  99.90,  -0.05,
10/16 17Z,   0.80,   7.02,   7.49,  99.90,  -0.33,
10/16 18Z,   0.60,   6.05,   6.41,  99.90,  -0.24,
10/16 19Z,   0.50,   5.56,   6.05,  99.90,  -0.01,  (min)
10/16 20Z,   0.50,   5.96,   6.40,  99.90,  -0.06,
10/16 21Z,   0.50,   7.27,   7.59,  99.90,  -0.18,
10/16 22Z,   0.50,   8.96,   9.13,  99.90,  -0.33,
10/16 23Z,   0.50,  10.44,  10.72,  99.90,  -0.22,
10/17 00Z,   0.30,  11.35,  11.73,  99.90,   0.08,
10/17 01Z,   0.20,  11.49,  12.02,  99.90,   0.33,  (max)
10/17 02Z,   0.10,  10.88,  11.60,  99.90,   0.62,
10/17 03Z,   0.10,   9.64,  10.43,  99.90,   0.69,
10/17 04Z,   0.20,   7.92,   8.75,  99.90,   0.63,
10/17 05Z,   0.30,   5.97,   6.69,  99.90,   0.42,
10/17 06Z,   0.20,   4.10,   4.72,  99.90,   0.42,
10/17 07Z,   0.10,   2.64,   3.23,  99.90,   0.49,
10/17 08Z,   0.20,   2.03,   2.66,  99.90,   0.43,  (min)
10/17 09Z,   0.30,   2.53,   3.21,  99.90,   0.38,
10/17 10Z,   0.30,   3.83,   4.38,  99.90,   0.25,
10/17 11Z,   0.40,   5.39,   5.78,  99.90,  -0.01,
10/17 12Z,   0.20,   6.82,   7.28,  99.90,   0.26,
10/17 13Z,   0.20,   7.91,   8.47,  99.90,   0.36,
10/17 14Z,   0.30,   8.55,   9.18,  99.90,   0.33,
10/17 15Z,   0.30,   8.77,   9.43,  99.90,   0.36,  (max)
10/17 16Z,   0.40,   8.55,   9.12,  99.90,   0.17,
10/17 17Z,   0.60,   7.96,   8.49,  99.90,  -0.07,
10/17 18Z,   0.40,   7.21,   7.69,  99.90,   0.08,
10/17 19Z,   0.40,   6.53,   6.99,  99.90,   0.06,
10/17 20Z,   0.50,   6.24,   6.75,  99.90,   0.01,  (min)
10/17 21Z,   0.50,   6.71,   7.13,  99.90,  -0.08,
10/17 22Z,   0.60,   7.81,   8.17,  99.90,  -0.24,
10/17 23Z,   0.60,   9.05,   9.39,  99.90,  -0.26,
10/18 00Z,   0.70,  10.01,  10.48,  99.90,  -0.23,
10/18 01Z,   0.60,  10.51,  10.94,  99.90,  -0.17,  (max)
10/18 02Z,   0.60,  10.48,  10.93,  99.90,  -0.15,
10/18 03Z,   0.50,   9.97,  10.37,  99.90,  -0.10,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/18 04Z,   0.40,   9.00,  99.90,   9.30,  -0.10,
10/18 05Z,   0.30,   7.61,  99.90,   7.82,  -0.09,
10/18 06Z,   0.30,   6.01,  99.90,   6.22,  -0.09,
10/18 07Z,   0.20,   4.44,  99.90,   4.56,  -0.08,
10/18 08Z,   0.20,   3.22,  99.90,   3.34,  -0.08,
10/18 09Z,   0.20,   2.75,  99.90,   2.87,  -0.07,  (min)
10/18 10Z,   0.20,   3.18,  99.90,   3.31,  -0.07,
10/18 11Z,   0.20,   4.18,  99.90,   4.32,  -0.06,
10/18 12Z,   0.20,   5.33,  99.90,   5.47,  -0.06,
10/18 13Z,   0.10,   6.43,  99.90,   6.48,  -0.05,
10/18 14Z,   0.10,   7.40,  99.90,   7.45,  -0.05,
10/18 15Z,   0.10,   8.15,  99.90,   8.21,  -0.04,
10/18 16Z,   0.00,   8.60,  99.90,   8.56,  -0.04,
10/18 17Z,   0.00,   8.62,  99.90,   8.57,  -0.04,  (max)
10/18 18Z,   0.00,   8.22,  99.90,   8.18,  -0.04,
10/18 19Z,   0.00,   7.60,  99.90,   7.55,  -0.04,
10/18 20Z,   0.00,   6.96,  99.90,   6.92,  -0.04,
10/18 21Z,   0.00,   6.66,  99.90,   6.62,  -0.04,  (min)
10/18 22Z,   0.00,   6.97,  99.90,   6.93,  -0.04,
10/18 23Z,   0.00,   7.73,  99.90,   7.69,  -0.04,
10/19 00Z,  -0.10,   8.53,  99.90,   8.39,  -0.04,
10/19 01Z,  -0.10,   9.16,  99.90,   9.02,  -0.04,
10/19 02Z,  -0.20,   9.56,  99.90,   9.32,  -0.04,
10/19 03Z,  -0.20,   9.70,  99.90,   9.46,  -0.04,  (max)
10/19 04Z,  -0.20,   9.51,  99.90,   9.27,  -0.04,
10/19 05Z,  -0.20,   8.86,  99.90,   8.61,  -0.04,
10/19 06Z,  -0.20,   7.72,  99.90,   7.47,  -0.04,
10/19 07Z,  -0.10,   6.29,  99.90,   6.14,  -0.04,
10/19 08Z,  -0.10,   4.83,  99.90,   4.68,  -0.04,
10/19 09Z,  -0.10,   3.65,  99.90,   3.51,  -0.04,
10/19 10Z,  -0.10,   3.14,  99.90,   2.99,  -0.04,  (min)
10/19 11Z,  -0.10,   3.37,  99.90,   3.23,  -0.04,
10/19 12Z,  -0.10,   4.07,  99.90,   3.93,  -0.04,
10/19 13Z,  -0.20,   4.99,  99.90,   4.74,  -0.04,
10/19 14Z,  -0.20,   6.07,  99.90,   5.82,  -0.04,
10/19 15Z,  -0.20,   7.23,  99.90,   6.98,  -0.04,
10/19 16Z,  -0.30,   8.28,  99.90,   7.94,  -0.04,
10/19 17Z,  -0.20,   8.97,  99.90,   8.73,  -0.04,
10/19 18Z,  -0.30,   9.09,  99.90,   8.74,  -0.04,  (max)
10/19 19Z,  -0.20,   8.67,  99.90,   8.43,  -0.04,
10/19 20Z,  -0.10,   7.94,  99.90,   7.80,  -0.04,
10/19 21Z,   0.00,   7.15,  99.90,   7.10,  -0.04,
10/19 22Z,   0.00,   6.63,  99.90,   6.58,  -0.04,  (min)
10/19 23Z,   0.00,   6.64,  99.90,   6.59,  -0.04,
10/20 00Z,   0.10,   7.04,  99.90,   7.09,  -0.04,
10/20 01Z,   0.10,   7.57,  99.90,   7.63,  -0.04,
10/20 02Z,   0.20,   8.19,  99.90,   8.35,  -0.04,
10/20 03Z,   0.20,   8.85,  99.90,   9.00,  -0.04,
10/20 04Z,   0.10,   9.38,  99.90,   9.43,  -0.04,
10/20 05Z,   0.30,   9.54,  99.90,   9.80,  -0.04,  (max)
10/20 06Z,   0.40,   9.10,  99.90,   9.45,  -0.04,
10/20 07Z,   0.40,   8.03,  99.90,   8.39,  -0.04,
10/20 08Z,   0.60,   6.60,  99.90,   7.15,  -0.04,
10/20 09Z,   0.60,   5.07,  99.90,   5.62,  -0.04,
10/20 10Z,   0.60,   3.78,  99.90,   4.34,  -0.04,
10/20 11Z,   0.70,   3.11,  99.90,   3.77,  -0.04,  (min)
10/20 12Z,   0.80,   3.15,  99.90,   3.90,  -0.04,
10/20 13Z,   1.00,   3.72,  99.90,   4.67,  -0.04,
10/20 14Z,   0.90,   4.72,  99.90,   5.57,  -0.04,
10/20 15Z,   1.00,   6.11,  99.90,   7.06,  -0.04,
10/20 16Z,   1.20,   7.65,  99.90,   8.81,  -0.04,
10/20 17Z,   1.30,   9.00,  99.90,  10.25,  -0.04,
10/20 18Z,   1.40,   9.76,  99.90,  11.12,  -0.04,
10/20 19Z,   1.50,   9.74,  99.90,  11.20,  -0.04,  (max)
10/20 20Z,   1.60,   9.08,  99.90,  10.63,  -0.04,
10/20 21Z,   1.60,   8.03,  99.90,   9.58,  -0.04,
10/20 22Z,   1.70,   6.88,  99.90,   8.53,  -0.04,
10/20 23Z,   2.00,   6.00,  99.90,   7.95,  -0.04,
10/21 00Z,   1.70,   5.68,  99.90,   7.34,  -0.04,  (min)
10/21 01Z,   1.70,   5.88,  99.90,   7.54,  -0.04,
10/21 02Z,   1.80,   6.48,  99.90,   8.24,  -0.04,
10/21 03Z,   1.90,   7.44,  99.90,   9.30,  -0.04,
10/21 04Z,   1.70,   8.59,  99.90,  10.24,  -0.04,
10/21 05Z,   2.00,   9.55,  99.90,  11.50,  -0.04,
10/21 06Z,   1.80,   9.94,  99.90,  11.70,  -0.04,  (max)
10/21 07Z,   1.70,   9.53,  99.90,  11.18,  -0.04,
10/21 08Z,   1.70,   8.37,  99.90,  10.02,  -0.04,
10/21 09Z,   1.60,   6.77,  99.90,   8.33,  -0.04,
10/21 10Z,   1.80,   5.04,  99.90,   6.80,  -0.04,
10/21 11Z,   1.80,   3.55,  99.90,   5.30,  -0.04,
10/21 12Z,   1.70,   2.72,  99.90,   4.38,  -0.04,  (min)
10/21 13Z,   1.70,   2.72,  99.90,   4.38,  -0.04,
10/21 14Z,   1.50,   3.47,  99.90,   4.93,  -0.04,
10/21 15Z,   1.40,   4.89,  99.90,   6.25,  -0.04,
10/21 16Z,   1.30,   6.78,  99.90,   8.04,  -0.04,
10/21 17Z,   1.00,   8.70,  99.90,   9.66,  -0.04,
10/21 18Z,   0.80,  10.15,  99.90,  10.91,  -0.04,
10/21 19Z,  99.90,  10.73,  99.90,  99.90,  -0.04,
10/21 20Z,  99.90,  10.34,  99.90,  99.90,  -0.04,
10/21 21Z,  99.90,   9.21,  99.90,  99.90,  -0.04,
10/21 22Z,  99.90,   7.66,  99.90,  99.90,  -0.04,
10/21 23Z,  99.90,   6.02,  99.90,  99.90,  -0.04,
10/22 00Z,  99.90,   4.76,  99.90,  99.90,  -0.04,