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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Ketchikan, AK
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Elfin Cove, AK
Yakutat, AK
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Valdez, AK
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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
#Ketchikan, AK : 05/10/2026 15:22:05 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/09 00Z,   0.20,   7.92,   8.11,  99.90,  -0.01,
05/09 01Z,   0.30,   9.62,   9.77,  99.90,  -0.15,
05/09 02Z,   0.40,  10.68,  10.76,  99.90,  -0.32,
05/09 03Z,   0.50,  10.91,  10.94,  99.90,  -0.47,  (max)
05/09 04Z,   0.50,  10.34,  10.38,  99.90,  -0.46,
05/09 05Z,   0.50,   9.20,   9.36,  99.90,  -0.34,
05/09 06Z,   0.30,   7.87,   8.13,  99.90,  -0.04,
05/09 07Z,   0.40,   6.79,   7.10,  99.90,  -0.09,
05/09 08Z,   0.50,   6.27,   6.65,  99.90,  -0.12,  (min)
05/09 09Z,   0.50,   6.50,   6.76,  99.90,  -0.24,
05/09 10Z,   0.60,   7.41,   7.54,  99.90,  -0.47,
05/09 11Z,   0.70,   8.77,   8.89,  99.90,  -0.58,
05/09 12Z,   0.40,  10.23,  10.40,  99.90,  -0.23,
05/09 13Z,   0.50,  11.38,  11.53,  99.90,  -0.35,
05/09 14Z,   0.60,  11.88,  12.11,  99.90,  -0.37,  (max)
05/09 15Z,   0.60,  11.51,  11.81,  99.90,  -0.30,
05/09 16Z,   0.60,  10.26,  10.55,  99.90,  -0.31,
05/09 17Z,   0.60,   8.36,   8.65,  99.90,  -0.31,
05/09 18Z,   0.30,   6.20,   6.39,  99.90,  -0.11,
05/09 19Z,   0.30,   4.24,   4.29,  99.90,  -0.25,
05/09 20Z,   0.30,   2.91,   2.95,  99.90,  -0.26,
05/09 21Z,   0.40,   2.46,   2.48,  99.90,  -0.38,  (min)
05/09 22Z,   0.40,   2.95,   3.12,  99.90,  -0.23,
05/09 23Z,   0.50,   4.25,   4.50,  99.90,  -0.25,
05/10 00Z,   0.20,   6.08,   6.45,  99.90,   0.17,
05/10 01Z,   0.30,   8.04,   8.30,  99.90,  -0.04,
05/10 02Z,   0.40,   9.76,   9.90,  99.90,  -0.26,
05/10 03Z,   0.40,  10.88,  10.88,  99.90,  -0.40,
05/10 04Z,   0.40,  11.19,  11.18,  99.90,  -0.41,  (max)
05/10 05Z,   0.40,  10.68,  10.71,  99.90,  -0.37,
05/10 06Z,   0.20,   9.53,   9.79,  99.90,   0.06,
05/10 07Z,   0.20,   8.10,   8.41,  99.90,   0.11,
05/10 08Z,   0.20,   6.81,   7.14,  99.90,   0.13,
05/10 09Z,   0.30,   6.03,   6.34,  99.90,   0.01,
05/10 10Z,   0.30,   5.97,   6.09,  99.90,  -0.18,  (min)
05/10 11Z,   0.30,   6.66,   6.68,  99.90,  -0.28,
05/10 12Z,   0.30,   7.90,   7.80,  99.90,  -0.40,
05/10 13Z,   0.20,   9.37,   9.25,  99.90,  -0.32,
05/10 14Z,   0.10,  10.65,  10.63,  99.90,  -0.12,
05/10 15Z,   0.10,  11.37,  11.35,  99.90,  -0.12,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/10 16Z,   0.00,  11.26,  99.90,  11.13,  -0.13,
05/10 17Z,   0.00,  10.26,  99.90,  10.13,  -0.13,
05/10 18Z,   0.00,   8.54,  99.90,   8.41,  -0.14,
05/10 19Z,  -0.10,   6.47,  99.90,   6.23,  -0.14,
05/10 20Z,   0.00,   4.51,  99.90,   4.36,  -0.15,
05/10 21Z,   0.00,   3.11,  99.90,   2.96,  -0.15,
05/10 22Z,   0.00,   2.58,  99.90,   2.42,  -0.16,  (min)
05/10 23Z,   0.00,   3.03,  99.90,   2.86,  -0.16,
05/11 00Z,   0.00,   4.37,  99.90,   4.20,  -0.17,
05/11 01Z,   0.00,   6.31,  99.90,   6.14,  -0.17,
05/11 02Z,   0.00,   8.46,  99.90,   8.28,  -0.18,
05/11 03Z,   0.00,  10.36,  99.90,  10.18,  -0.18,
05/11 04Z,  -0.10,  11.61,  99.90,  11.33,  -0.18,
05/11 05Z,  -0.10,  11.95,  99.90,  11.67,  -0.18,  (max)
05/11 06Z,  -0.20,  11.31,  99.90,  10.93,  -0.18,
05/11 07Z,  -0.30,   9.89,  99.90,   9.40,  -0.18,
05/11 08Z,  -0.30,   8.06,  99.90,   7.58,  -0.18,
05/11 09Z,  -0.40,   6.33,  99.90,   5.74,  -0.18,
05/11 10Z,  -0.40,   5.14,  99.90,   4.56,  -0.18,
05/11 11Z,  -0.40,   4.81,  99.90,   4.23,  -0.18,  (min)
05/11 12Z,  -0.40,   5.42,  99.90,   4.84,  -0.18,
05/11 13Z,  -0.40,   6.79,  99.90,   6.21,  -0.18,
05/11 14Z,  -0.40,   8.55,  99.90,   7.96,  -0.18,
05/11 15Z,  -0.40,  10.21,  99.90,   9.63,  -0.18,
05/11 16Z,  -0.40,  11.31,  99.90,  10.73,  -0.18,
05/11 17Z,  -0.40,  11.51,  99.90,  10.92,  -0.18,  (max)
05/11 18Z,  -0.50,  10.67,  99.90,   9.99,  -0.18,
05/11 19Z,  -0.50,   8.97,  99.90,   8.28,  -0.18,
05/11 20Z,  -0.50,   6.78,  99.90,   6.09,  -0.18,
05/11 21Z,  -0.50,   4.63,  99.90,   3.95,  -0.18,
05/11 22Z,  -0.50,   3.06,  99.90,   2.38,  -0.18,
05/11 23Z,  -0.50,   2.46,  99.90,   1.78,  -0.18,  (min)
05/12 00Z,  -0.50,   3.00,  99.90,   2.31,  -0.18,
05/12 01Z,  -0.50,   4.56,  99.90,   3.88,  -0.18,
05/12 02Z,  -0.60,   6.84,  99.90,   6.06,  -0.18,
05/12 03Z,  -0.60,   9.33,  99.90,   8.55,  -0.18,
05/12 04Z,  -0.60,  11.48,  99.90,  10.70,  -0.18,
05/12 05Z,  -0.60,  12.81,  99.90,  12.03,  -0.18,
05/12 06Z,  -0.60,  13.00,  99.90,  12.21,  -0.18,  (max)
05/12 07Z,  -0.60,  11.98,  99.90,  11.19,  -0.18,
05/12 08Z,  -0.60,  10.00,  99.90,   9.21,  -0.18,
05/12 09Z,  -0.50,   7.54,  99.90,   6.85,  -0.18,
05/12 10Z,  -0.50,   5.22,  99.90,   4.54,  -0.18,
05/12 11Z,  -0.40,   3.64,  99.90,   3.06,  -0.18,
05/12 12Z,  -0.40,   3.18,  99.90,   2.60,  -0.18,  (min)
05/12 13Z,  -0.40,   3.95,  99.90,   3.36,  -0.18,
05/12 14Z,  -0.40,   5.72,  99.90,   5.13,  -0.18,
05/12 15Z,  -0.40,   8.01,  99.90,   7.42,  -0.18,
05/12 16Z,  -0.40,  10.21,  99.90,   9.62,  -0.18,
05/12 17Z,  -0.40,  11.73,  99.90,  11.14,  -0.18,
05/12 18Z,  -0.50,  12.14,  99.90,  11.46,  -0.18,  (max)
05/12 19Z,  -0.50,  11.32,  99.90,  10.63,  -0.18,
05/12 20Z,  -0.50,   9.43,  99.90,   8.75,  -0.18,
05/12 21Z,  -0.50,   6.96,  99.90,   6.27,  -0.18,
05/12 22Z,  -0.40,   4.53,  99.90,   3.95,  -0.18,
05/12 23Z,  -0.30,   2.80,  99.90,   2.32,  -0.18,
05/13 00Z,  -0.20,   2.25,  99.90,   1.86,  -0.18,  (min)
05/13 01Z,  -0.10,   3.04,  99.90,   2.76,  -0.18,
05/13 02Z,  -0.10,   5.04,  99.90,   4.76,  -0.18,
05/13 03Z,  -0.10,   7.80,  99.90,   7.51,  -0.18,
05/13 04Z,  -0.10,  10.68,  99.90,  10.40,  -0.18,
05/13 05Z,  -0.10,  13.02,  99.90,  12.74,  -0.18,
05/13 06Z,  -0.10,  14.26,  99.90,  13.97,  -0.18,  (max)
05/13 07Z,  -0.10,  14.05,  99.90,  13.77,  -0.18,
05/13 08Z,  -0.20,  12.41,  99.90,  12.02,  -0.18,
05/13 09Z,  -0.20,   9.66,  99.90,   9.27,  -0.18,
05/13 10Z,  -0.20,   6.45,  99.90,   6.07,  -0.18,
05/13 11Z,  -0.10,   3.56,  99.90,   3.28,  -0.18,
05/13 12Z,  -0.10,   1.72,  99.90,   1.43,  -0.18,
05/13 13Z,   0.00,   1.35,  99.90,   1.17,  -0.18,  (min)
05/13 14Z,   0.00,   2.54,  99.90,   2.35,  -0.18,
05/13 15Z,   0.00,   4.93,  99.90,   4.75,  -0.18,
05/13 16Z,   0.00,   7.89,  99.90,   7.70,  -0.18,
05/13 17Z,  -0.10,  10.64,  99.90,  10.36,  -0.18,
05/13 18Z,  -0.10,  12.50,  99.90,  12.22,  -0.18,
05/13 19Z,  -0.20,  12.99,  99.90,  12.61,  -0.18,  (max)
05/13 20Z,  -0.20,  12.00,  99.90,  11.61,  -0.18,
05/13 21Z,  -0.10,   9.78,  99.90,   9.49,  -0.18,
05/13 22Z,  -0.10,   6.92,  99.90,   6.64,  -0.18,
05/13 23Z,   0.00,   4.22,  99.90,   4.04,  -0.18,
05/14 00Z,   0.00,   2.43,  99.90,   2.25,  -0.18,
05/14 01Z,   0.00,   2.09,  99.90,   1.90,  -0.18,  (min)
05/14 02Z,   0.10,   3.33,  99.90,   3.25,  -0.18,
05/14 03Z,   0.00,   5.89,  99.90,   5.71,  -0.18,
05/14 04Z,   0.00,   9.17,  99.90,   8.98,  -0.18,
05/14 05Z,   0.00,  12.38,  99.90,  12.19,  -0.18,
05/14 06Z,  -0.10,  14.75,  99.90,  14.46,  -0.18,
05/14 07Z,  99.90,  15.67,  99.90,  99.90,  -0.18,
05/14 08Z,  99.90,  14.87,  99.90,  99.90,  -0.18,
05/14 09Z,  99.90,  12.41,  99.90,  99.90,  -0.18,
05/14 10Z,  99.90,   8.81,  99.90,  99.90,  -0.18,
05/14 11Z,  99.90,   4.88,  99.90,  99.90,  -0.18,
05/14 12Z,  99.90,   1.56,  99.90,  99.90,  -0.18,