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
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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
#Kodiak Island, AK : 04/19/2026 08:21:11 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/17 12Z,  -0.50,   7.82,   7.31,  99.90,  -0.01,
04/17 13Z,  -0.50,   5.49,   5.08,  99.90,   0.09,
04/17 14Z,  -0.50,   2.77,   2.21,  99.90,  -0.06,
04/17 15Z,  -0.60,   0.33,  -0.35,  99.90,  -0.08,
04/17 16Z,  -0.60,  -1.17,  -1.59,  99.90,   0.18,
04/17 17Z,  -0.70,  -1.39,  -1.87,  99.90,   0.22,  (min)
04/17 18Z,  -0.60,  -0.41,  -1.00,  99.90,   0.01,
04/17 19Z,  -0.60,   1.48,   0.91,  99.90,   0.03,
04/17 20Z,  -0.60,   3.83,   3.28,  99.90,   0.05,
04/17 21Z,  -0.60,   6.07,   5.55,  99.90,   0.08,
04/17 22Z,  -0.60,   7.63,   6.92,  99.90,  -0.11,
04/17 23Z,  -0.60,   8.15,   7.42,  99.90,  -0.13,  (max)
04/18 00Z,  -0.60,   7.61,   7.00,  99.90,  -0.01,
04/18 01Z,  -0.60,   6.19,   5.65,  99.90,   0.06,
04/18 02Z,  -0.60,   4.24,   3.80,  99.90,   0.16,
04/18 03Z,  -0.60,   2.31,   1.64,  99.90,  -0.07,
04/18 04Z,  -0.60,   1.04,   0.42,  99.90,  -0.02,  (min)
04/18 05Z,  -0.60,   0.90,   0.67,  99.90,   0.37,
04/18 06Z,  -0.60,   1.92,   1.57,  99.90,   0.25,
04/18 07Z,  -0.60,   3.81,   3.18,  99.90,  -0.03,
04/18 08Z,  -0.60,   6.14,   5.59,  99.90,   0.05,
04/18 09Z,  -0.60,   8.37,   8.00,  99.90,   0.23,
04/18 10Z,  -0.60,   9.89,   9.36,  99.90,   0.07,
04/18 11Z,  -0.60,  10.24,   9.54,  99.90,  -0.10,  (max)
04/18 12Z,  -0.50,   9.32,   8.67,  99.90,  -0.15,
04/18 13Z,  -0.60,   7.32,   6.58,  99.90,  -0.14,
04/18 14Z,  -0.60,   4.60,   3.81,  99.90,  -0.19,
04/18 15Z,  -0.70,   1.70,   0.93,  99.90,  -0.07,
04/18 16Z,  -0.70,  -0.66,  -1.54,  99.90,  -0.18,
04/18 17Z,  -0.70,  -1.88,  -2.56,  99.90,   0.02,  (min)
04/18 18Z,  -0.60,  -1.72,  -2.31,  99.90,   0.01,
04/18 19Z,  -0.60,  -0.39,  -1.18,  99.90,  -0.19,
04/18 20Z,  -0.60,   1.73,   0.90,  99.90,  -0.23,
04/18 21Z,  -0.60,   4.16,   3.50,  99.90,  -0.06,
04/18 22Z,  -0.60,   6.31,   5.67,  99.90,  -0.04,
04/18 23Z,  -0.60,   7.66,   6.83,  99.90,  -0.23,
04/19 00Z,  -0.50,   7.93,   7.40,  99.90,  -0.03,  (max)
04/19 01Z,  -0.50,   7.18,   6.64,  99.90,  -0.04,
04/19 02Z,  -0.50,   5.66,   5.07,  99.90,  -0.09,
04/19 03Z,  -0.50,   3.77,   3.13,  99.90,  -0.14,
04/19 04Z,  -0.50,   2.08,   1.46,  99.90,  -0.12,
04/19 05Z,  -0.50,   1.22,   0.78,  99.90,   0.06,  (min)
04/19 06Z,  -0.50,   1.53,   1.05,  99.90,   0.02,
04/19 07Z,  -0.40,   2.90,   2.49,  99.90,  -0.01,
04/19 08Z,  -0.40,   4.99,   4.47,  99.90,  -0.12,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/19 09Z,  -0.30,   7.30,  99.90,   6.89,  -0.11,
04/19 10Z,  -0.30,   9.31,  99.90,   8.90,  -0.11,
04/19 11Z,  -0.30,  10.43,  99.90,  10.02,  -0.11,  (max)
04/19 12Z,  -0.20,  10.31,  99.90,  10.01,  -0.10,
04/19 13Z,  -0.20,   8.95,  99.90,   8.65,  -0.10,
04/19 14Z,  -0.10,   6.62,  99.90,   6.42,  -0.10,
04/19 15Z,  -0.20,   3.73,  99.90,   3.44,  -0.09,
04/19 16Z,  -0.10,   0.88,  99.90,   0.69,  -0.09,
04/19 17Z,  -0.20,  -1.24,  99.90,  -1.52,  -0.09,
04/19 18Z,  -0.20,  -2.11,  99.90,  -2.39,  -0.08,  (min)
04/19 19Z,  -0.10,  -1.64,  99.90,  -1.81,  -0.08,
04/19 20Z,  -0.20,  -0.10,  99.90,  -0.38,  -0.08,
04/19 21Z,  -0.10,   2.07,  99.90,   1.90,  -0.08,
04/19 22Z,  -0.10,   4.40,  99.90,   4.23,  -0.08,
04/19 23Z,  -0.10,   6.33,  99.90,   6.16,  -0.08,
04/20 00Z,  -0.20,   7.41,  99.90,   7.13,  -0.08,
04/20 01Z,  -0.20,   7.46,  99.90,   7.19,  -0.08,  (max)
04/20 02Z,  -0.40,   6.61,  99.90,   6.13,  -0.08,
04/20 03Z,  -0.40,   5.13,  99.90,   4.66,  -0.08,
04/20 04Z,  -0.40,   3.44,  99.90,   2.97,  -0.08,
04/20 05Z,  -0.40,   2.10,  99.90,   1.62,  -0.08,
04/20 06Z,  -0.50,   1.65,  99.90,   1.07,  -0.08,  (min)
04/20 07Z,  -0.40,   2.30,  99.90,   1.82,  -0.08,
04/20 08Z,  -0.40,   3.86,  99.90,   3.39,  -0.08,
04/20 09Z,  -0.30,   5.94,  99.90,   5.57,  -0.08,
04/20 10Z,  -0.40,   8.07,  99.90,   7.60,  -0.08,
04/20 11Z,  -0.30,   9.74,  99.90,   9.37,  -0.08,
04/20 12Z,  -0.30,  10.46,  99.90,  10.08,  -0.08,  (max)
04/20 13Z,  -0.30,   9.96,  99.90,   9.58,  -0.08,
04/20 14Z,  -0.30,   8.34,  99.90,   7.96,  -0.08,
04/20 15Z,  -0.30,   5.90,  99.90,   5.52,  -0.08,
04/20 16Z,  -0.30,   3.07,  99.90,   2.70,  -0.08,
04/20 17Z,  -0.30,   0.45,  99.90,   0.08,  -0.08,
04/20 18Z,  -0.40,  -1.34,  99.90,  -1.81,  -0.08,
04/20 19Z,  -0.40,  -1.89,  99.90,  -2.37,  -0.08,  (min)
04/20 20Z,  -0.30,  -1.23,  99.90,  -1.61,  -0.08,
04/20 21Z,  -0.30,   0.32,  99.90,  -0.05,  -0.08,
04/20 22Z,  -0.30,   2.37,  99.90,   1.99,  -0.08,
04/20 23Z,  -0.30,   4.46,  99.90,   4.08,  -0.08,
04/21 00Z,  -0.30,   6.11,  99.90,   5.73,  -0.08,
04/21 01Z,  -0.40,   6.94,  99.90,   6.46,  -0.08,  (max)
04/21 02Z,  -0.40,   6.86,  99.90,   6.39,  -0.08,
04/21 03Z,  -0.50,   6.04,  99.90,   5.46,  -0.08,
04/21 04Z,  -0.50,   4.73,  99.90,   4.16,  -0.08,
04/21 05Z,  -0.50,   3.33,  99.90,   2.76,  -0.08,
04/21 06Z,  -0.50,   2.35,  99.90,   1.77,  -0.08,
04/21 07Z,  -0.60,   2.22,  99.90,   1.54,  -0.08,  (min)
04/21 08Z,  -0.50,   3.05,  99.90,   2.48,  -0.08,
04/21 09Z,  -0.40,   4.61,  99.90,   4.13,  -0.08,
04/21 10Z,  -0.40,   6.50,  99.90,   6.02,  -0.08,
04/21 11Z,  -0.40,   8.33,  99.90,   7.85,  -0.08,
04/21 12Z,  -0.40,   9.65,  99.90,   9.17,  -0.08,
04/21 13Z,  -0.40,  10.03,  99.90,   9.56,  -0.08,  (max)
04/21 14Z,  -0.50,   9.32,  99.90,   8.75,  -0.08,
04/21 15Z,  -0.50,   7.65,  99.90,   7.07,  -0.08,
04/21 16Z,  -0.50,   5.32,  99.90,   4.75,  -0.08,
04/21 17Z,  -0.50,   2.75,  99.90,   2.17,  -0.08,
04/21 18Z,  -0.50,   0.45,  99.90,  -0.12,  -0.08,
04/21 19Z,  -0.50,  -1.02,  99.90,  -1.59,  -0.08,
04/21 20Z,  -0.50,  -1.36,  99.90,  -1.94,  -0.08,  (min)
04/21 21Z,  -0.40,  -0.68,  99.90,  -1.16,  -0.08,
04/21 22Z,  -0.40,   0.73,  99.90,   0.25,  -0.08,
04/21 23Z,  -0.40,   2.52,  99.90,   2.04,  -0.08,
04/22 00Z,  -0.40,   4.32,  99.90,   3.84,  -0.08,
04/22 01Z,  -0.50,   5.70,  99.90,   5.13,  -0.08,
04/22 02Z,  -0.50,   6.38,  99.90,   5.80,  -0.08,  (max)
04/22 03Z,  -0.50,   6.30,  99.90,   5.72,  -0.08,
04/22 04Z,  -0.50,   5.62,  99.90,   5.04,  -0.08,
04/22 05Z,  -0.50,   4.57,  99.90,   3.99,  -0.08,
04/22 06Z,  -0.50,   3.46,  99.90,   2.89,  -0.08,
04/22 07Z,  -0.50,   2.76,  99.90,   2.18,  -0.08,  (min)
04/22 08Z,  -0.50,   2.80,  99.90,   2.22,  -0.08,
04/22 09Z,  -0.60,   3.62,  99.90,   2.95,  -0.08,
04/22 10Z,  -0.60,   4.98,  99.90,   4.31,  -0.08,
04/22 11Z,  -0.60,   6.57,  99.90,   5.90,  -0.08,
04/22 12Z,  -0.60,   8.07,  99.90,   7.39,  -0.08,
04/22 13Z,  -0.60,   9.09,  99.90,   8.42,  -0.08,
04/22 14Z,  -0.60,   9.30,  99.90,   8.62,  -0.08,  (max)
04/22 15Z,  -0.60,   8.57,  99.90,   7.89,  -0.08,
04/22 16Z,  -0.70,   7.05,  99.90,   6.27,  -0.08,
04/22 17Z,  -0.70,   5.00,  99.90,   4.23,  -0.08,
04/22 18Z,  -0.70,   2.77,  99.90,   1.99,  -0.08,
04/22 19Z,  -0.70,   0.80,  99.90,   0.03,  -0.08,
04/22 20Z,  -0.60,  -0.43,  99.90,  -1.10,  -0.08,
04/22 21Z,  -0.50,  -0.71,  99.90,  -1.28,  -0.08,  (min)
04/22 22Z,  -0.60,  -0.15,  99.90,  -0.82,  -0.08,
04/22 23Z,  -0.60,   1.01,  99.90,   0.33,  -0.08,
04/23 00Z,  -0.60,   2.51,  99.90,   1.84,  -0.08,