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
Valdez, AK
Seward, AK
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
#Cordova, AK : 10/17/2026 03:21:56 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/15 12Z,   0.50,   9.86,  10.30,  99.90,  -0.06,
10/15 13Z,   0.60,  10.25,  10.82,  99.90,  -0.03,  (max)
10/15 14Z,   0.50,   9.79,  10.41,  99.90,   0.12,
10/15 15Z,   0.80,   8.64,   9.33,  99.90,  -0.11,
10/15 16Z,   0.80,   7.17,   8.00,  99.90,   0.03,
10/15 17Z,   0.90,   5.76,   6.64,  99.90,  -0.02,
10/15 18Z,   1.10,   4.83,   6.08,  99.90,   0.15,
10/15 19Z,   1.10,   4.94,   6.06,  99.90,   0.02,  (min)
10/15 20Z,   1.20,   6.22,   7.16,  99.90,  -0.26,
10/15 21Z,   1.30,   8.23,   8.65,  99.90,  -0.88,
10/15 22Z,   1.20,  10.26,  10.73,  99.90,  -0.73,
10/15 23Z,   1.30,  11.78,  12.22,  99.90,  -0.86,
10/16 00Z,   1.10,  12.40,  12.97,  99.90,  -0.53,  (max)
10/16 01Z,   1.00,  12.01,  12.64,  99.90,  -0.37,
10/16 02Z,   0.70,  10.73,  11.42,  99.90,  -0.01,
10/16 03Z,   0.60,   8.74,   9.40,  99.90,   0.06,
10/16 04Z,   0.60,   6.39,   6.99,  99.90,   0.00,
10/16 05Z,   0.60,   4.06,   4.68,  99.90,   0.02,
10/16 06Z,   0.60,   2.15,   2.92,  99.90,   0.17,
10/16 07Z,   0.40,   1.18,   1.98,  99.90,   0.40,  (min)
10/16 08Z,   0.40,   1.53,   2.41,  99.90,   0.48,
10/16 09Z,   0.40,   2.99,   3.74,  99.90,   0.35,
10/16 10Z,   0.50,   4.97,   5.46,  99.90,  -0.01,
10/16 11Z,   0.60,   6.91,   7.25,  99.90,  -0.26,
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,   0.50,  11.35,  11.73,  99.90,  -0.12,
10/17 01Z,   0.50,  11.49,  12.02,  99.90,   0.03,  (max)
10/17 02Z,   0.40,  10.88,  11.60,  99.90,   0.32,
10/17 03Z,   0.40,   9.64,  10.43,  99.90,   0.39,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/17 04Z,   0.40,   7.92,  99.90,   8.67,   0.35,
10/17 05Z,   0.40,   5.97,  99.90,   6.68,   0.31,
10/17 06Z,   0.40,   4.10,  99.90,   4.78,   0.27,
10/17 07Z,   0.30,   2.64,  99.90,   3.17,   0.23,
10/17 08Z,   0.20,   2.03,  99.90,   2.42,   0.19,  (min)
10/17 09Z,   0.20,   2.53,  99.90,   2.88,   0.16,
10/17 10Z,   0.20,   3.83,  99.90,   4.15,   0.12,
10/17 11Z,   0.20,   5.39,  99.90,   5.67,   0.08,
10/17 12Z,   0.30,   6.82,  99.90,   7.16,   0.04,
10/17 13Z,   0.40,   7.91,  99.90,   8.30,  -0.00,
10/17 14Z,   0.40,   8.55,  99.90,   8.91,  -0.04,
10/17 15Z,   0.50,   8.77,  99.90,   9.19,  -0.08,  (max)
10/17 16Z,   0.60,   8.55,  99.90,   9.07,  -0.08,
10/17 17Z,   0.70,   7.96,  99.90,   8.58,  -0.08,
10/17 18Z,   0.70,   7.21,  99.90,   7.83,  -0.08,
10/17 19Z,   0.70,   6.53,  99.90,   7.15,  -0.08,
10/17 20Z,   0.70,   6.24,  99.90,   6.86,  -0.08,  (min)
10/17 21Z,   0.60,   6.71,  99.90,   7.23,  -0.08,
10/17 22Z,   0.60,   7.81,  99.90,   8.33,  -0.08,
10/17 23Z,   0.50,   9.05,  99.90,   9.47,  -0.08,
10/18 00Z,   0.40,  10.01,  99.90,  10.33,  -0.08,
10/18 01Z,   0.30,  10.51,  99.90,  10.73,  -0.08,  (max)
10/18 02Z,   0.30,  10.48,  99.90,  10.70,  -0.08,
10/18 03Z,   0.30,   9.97,  99.90,  10.19,  -0.08,
10/18 04Z,   0.30,   9.00,  99.90,   9.22,  -0.08,
10/18 05Z,   0.30,   7.61,  99.90,   7.83,  -0.08,
10/18 06Z,   0.30,   6.01,  99.90,   6.23,  -0.08,
10/18 07Z,   0.30,   4.44,  99.90,   4.66,  -0.08,
10/18 08Z,   0.30,   3.22,  99.90,   3.44,  -0.08,
10/18 09Z,   0.30,   2.75,  99.90,   2.97,  -0.08,  (min)
10/18 10Z,   0.30,   3.18,  99.90,   3.40,  -0.08,
10/18 11Z,   0.30,   4.18,  99.90,   4.40,  -0.08,
10/18 12Z,   0.20,   5.33,  99.90,   5.45,  -0.08,
10/18 13Z,   0.10,   6.43,  99.90,   6.45,  -0.08,
10/18 14Z,   0.00,   7.40,  99.90,   7.32,  -0.08,
10/18 15Z,   0.00,   8.15,  99.90,   8.07,  -0.08,
10/18 16Z,   0.00,   8.60,  99.90,   8.52,  -0.08,
10/18 17Z,   0.00,   8.62,  99.90,   8.54,  -0.08,  (max)
10/18 18Z,  -0.10,   8.22,  99.90,   8.04,  -0.08,
10/18 19Z,  -0.10,   7.60,  99.90,   7.42,  -0.08,
10/18 20Z,   0.00,   6.96,  99.90,   6.88,  -0.08,
10/18 21Z,   0.00,   6.66,  99.90,   6.58,  -0.08,  (min)
10/18 22Z,   0.00,   6.97,  99.90,   6.89,  -0.08,
10/18 23Z,   0.00,   7.73,  99.90,   7.65,  -0.08,
10/19 00Z,  -0.10,   8.53,  99.90,   8.35,  -0.08,
10/19 01Z,  -0.10,   9.16,  99.90,   8.98,  -0.08,
10/19 02Z,  -0.10,   9.56,  99.90,   9.38,  -0.08,
10/19 03Z,  -0.10,   9.70,  99.90,   9.52,  -0.08,  (max)
10/19 04Z,  -0.20,   9.51,  99.90,   9.23,  -0.08,
10/19 05Z,  -0.20,   8.86,  99.90,   8.58,  -0.08,
10/19 06Z,  -0.20,   7.72,  99.90,   7.44,  -0.08,
10/19 07Z,  -0.20,   6.29,  99.90,   6.01,  -0.08,
10/19 08Z,  -0.20,   4.83,  99.90,   4.55,  -0.08,
10/19 09Z,  -0.20,   3.65,  99.90,   3.37,  -0.08,
10/19 10Z,  -0.10,   3.14,  99.90,   2.96,  -0.08,  (min)
10/19 11Z,  -0.20,   3.37,  99.90,   3.09,  -0.08,
10/19 12Z,  -0.20,   4.07,  99.90,   3.79,  -0.08,
10/19 13Z,  -0.20,   4.99,  99.90,   4.71,  -0.08,
10/19 14Z,  -0.20,   6.07,  99.90,   5.79,  -0.08,
10/19 15Z,  -0.30,   7.23,  99.90,   6.85,  -0.08,
10/19 16Z,  -0.30,   8.28,  99.90,   7.90,  -0.08,
10/19 17Z,  -0.20,   8.97,  99.90,   8.69,  -0.08,
10/19 18Z,  -0.20,   9.09,  99.90,   8.81,  -0.08,  (max)
10/19 19Z,  -0.10,   8.67,  99.90,   8.49,  -0.08,
10/19 20Z,   0.00,   7.94,  99.90,   7.86,  -0.08,
10/19 21Z,   0.00,   7.15,  99.90,   7.07,  -0.08,
10/19 22Z,   0.00,   6.63,  99.90,   6.55,  -0.08,  (min)
10/19 23Z,   0.00,   6.64,  99.90,   6.56,  -0.08,
10/20 00Z,   0.00,   7.04,  99.90,   6.96,  -0.08,
10/20 01Z,   0.00,   7.57,  99.90,   7.49,  -0.08,
10/20 02Z,   0.10,   8.19,  99.90,   8.21,  -0.08,
10/20 03Z,   0.00,   8.85,  99.90,   8.77,  -0.08,
10/20 04Z,   0.00,   9.38,  99.90,   9.30,  -0.08,
10/20 05Z,   0.20,   9.54,  99.90,   9.66,  -0.08,  (max)
10/20 06Z,   0.20,   9.10,  99.90,   9.22,  -0.08,
10/20 07Z,   0.30,   8.03,  99.90,   8.25,  -0.08,
10/20 08Z,   0.30,   6.60,  99.90,   6.82,  -0.08,
10/20 09Z,   0.40,   5.07,  99.90,   5.39,  -0.08,
10/20 10Z,   0.40,   3.78,  99.90,   4.10,  -0.08,
10/20 11Z,   0.50,   3.11,  99.90,   3.53,  -0.08,  (min)
10/20 12Z,   0.60,   3.15,  99.90,   3.67,  -0.08,
10/20 13Z,   0.60,   3.72,  99.90,   4.24,  -0.08,
10/20 14Z,   0.70,   4.72,  99.90,   5.34,  -0.08,
10/20 15Z,   0.70,   6.11,  99.90,   6.73,  -0.08,
10/20 16Z,   0.80,   7.65,  99.90,   8.37,  -0.08,
10/20 17Z,   0.90,   9.00,  99.90,   9.82,  -0.08,
10/20 18Z,   1.00,   9.76,  99.90,  10.68,  -0.08,
10/20 19Z,  99.90,   9.74,  99.90,  99.90,  -0.08,
10/20 20Z,  99.90,   9.08,  99.90,  99.90,  -0.08,
10/20 21Z,  99.90,   8.03,  99.90,  99.90,  -0.08,
10/20 22Z,  99.90,   6.88,  99.90,  99.90,  -0.08,
10/20 23Z,  99.90,   6.00,  99.90,  99.90,  -0.08,
10/21 00Z,  99.90,   5.68,  99.90,  99.90,  -0.08,