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
Yakutat, AK
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Seward, AK
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
#Sand Point, AK : 05/18/2026 02:21:04 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/16 06Z,   0.30,   3.82,   5.04,  99.90,   0.92,
05/16 07Z,   0.30,   5.37,   6.58,  99.90,   0.91,
05/16 08Z,   0.30,   6.91,   8.19,  99.90,   0.98,
05/16 09Z,   0.30,   7.97,   9.20,  99.90,   0.93,
05/16 10Z,   0.20,   8.26,   9.42,  99.90,   0.96,  (max)
05/16 11Z,   0.10,   7.66,   8.76,  99.90,   1.00,
05/16 12Z,   0.20,   6.18,   7.43,  99.90,   1.05,
05/16 13Z,   0.20,   4.04,   5.25,  99.90,   1.01,
05/16 14Z,   0.20,   1.66,   2.82,  99.90,   0.96,
05/16 15Z,   0.20,  -0.40,   0.85,  99.90,   1.05,
05/16 16Z,   0.20,  -1.75,  -0.41,  99.90,   1.14,
05/16 17Z,   0.10,  -2.19,  -0.84,  99.90,   1.25,  (min)
05/16 18Z,   0.20,  -1.66,  -0.29,  99.90,   1.17,
05/16 19Z,   0.30,  -0.25,   1.03,  99.90,   0.98,
05/16 20Z,   0.30,   1.66,   2.96,  99.90,   1.00,
05/16 21Z,   0.30,   3.57,   4.77,  99.90,   0.90,
05/16 22Z,   0.20,   5.05,   6.20,  99.90,   0.95,
05/16 23Z,   0.10,   5.87,   7.07,  99.90,   1.10,  (max)
05/17 00Z,   0.10,   5.94,   7.02,  99.90,   0.98,
05/17 01Z,   0.10,   5.30,   6.39,  99.90,   0.99,
05/17 02Z,   0.10,   4.21,   5.43,  99.90,   1.12,
05/17 03Z,   0.10,   3.15,   4.31,  99.90,   1.06,
05/17 04Z,   0.10,   2.51,   3.73,  99.90,   1.12,  (min)
05/17 05Z,   0.20,   2.50,   3.85,  99.90,   1.15,
05/17 06Z,   0.10,   3.18,   4.57,  99.90,   1.29,
05/17 07Z,   0.00,   4.47,   5.84,  99.90,   1.37,
05/17 08Z,   0.00,   6.09,   7.33,  99.90,   1.24,
05/17 09Z,   0.00,   7.57,   8.85,  99.90,   1.28,
05/17 10Z,   0.00,   8.45,   9.64,  99.90,   1.19,  0.13 ft above HAT  (max)
05/17 11Z,   0.00,   8.46,   9.57,  99.90,   1.11,  0.06 ft above HAT
05/17 12Z,   0.00,   7.55,   8.62,  99.90,   1.07,
05/17 13Z,  -0.10,   5.76,   6.75,  99.90,   1.09,
05/17 14Z,  -0.20,   3.38,   4.27,  99.90,   1.09,
05/17 15Z,  -0.20,   0.90,   1.83,  99.90,   1.13,
05/17 16Z,  -0.20,  -1.13,   0.00,  99.90,   1.33,
05/17 17Z,  -0.10,  -2.34,  -1.30,  99.90,   1.14,
05/17 18Z,  -0.20,  -2.58,  -1.66,  99.90,   1.12,  (min)
05/17 19Z,  -0.10,  -1.80,  -0.80,  99.90,   1.10,
05/17 20Z,  -0.10,  -0.18,   0.79,  99.90,   1.07,
05/17 21Z,  -0.10,   1.85,   2.86,  99.90,   1.11,
05/17 22Z,  -0.10,   3.78,   4.58,  99.90,   0.90,
05/17 23Z,  -0.10,   5.21,   5.97,  99.90,   0.86,
05/18 00Z,  -0.10,   5.94,   6.78,  99.90,   0.94,  (max)
05/18 01Z,  -0.10,   5.90,   6.69,  99.90,   0.89,
05/18 02Z,  -0.20,   5.18,   6.05,  99.90,   1.07,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/18 03Z,  -0.30,   4.10,  99.90,   4.85,   1.06,
05/18 04Z,  -0.40,   3.13,  99.90,   3.77,   1.04,
05/18 05Z,  -0.40,   2.65,  99.90,   3.27,   1.02,  (min)
05/18 06Z,  -0.40,   2.80,  99.90,   3.40,   1.00,
05/18 07Z,  -0.30,   3.62,  99.90,   4.30,   0.98,
05/18 08Z,  -0.20,   5.00,  99.90,   5.76,   0.97,
05/18 09Z,  -0.10,   6.61,  99.90,   7.45,   0.95,
05/18 10Z,  -0.10,   7.95,  99.90,   8.78,   0.93,
05/18 11Z,  -0.10,   8.61,  99.90,   9.42,   0.91,  (max)
05/18 12Z,  -0.20,   8.38,  99.90,   9.07,   0.89,
05/18 13Z,  -0.20,   7.23,  99.90,   7.91,   0.88,
05/18 14Z,  -0.30,   5.26,  99.90,   5.82,   0.86,
05/18 15Z,  -0.40,   2.79,  99.90,   3.25,   0.86,
05/18 16Z,  -0.50,   0.36,  99.90,   0.72,   0.86,
05/18 17Z,  -0.50,  -1.52,  99.90,  -1.16,   0.86,
05/18 18Z,  -0.50,  -2.54,  99.90,  -2.18,   0.86,
05/18 19Z,  -0.50,  -2.58,  99.90,  -2.22,   0.86,  (min)
05/18 20Z,  -0.40,  -1.63,  99.90,  -1.17,   0.86,
05/18 21Z,  -0.30,   0.09,  99.90,   0.65,   0.86,
05/18 22Z,  -0.20,   2.12,  99.90,   2.78,   0.86,
05/18 23Z,   0.00,   3.97,  99.90,   4.83,   0.86,
05/19 00Z,   0.00,   5.27,  99.90,   6.13,   0.86,
05/19 01Z,   0.10,   5.89,  99.90,   6.84,   0.86,  (max)
05/19 02Z,   0.00,   5.76,  99.90,   6.62,   0.86,
05/19 03Z,  -0.10,   5.01,  99.90,   5.76,   0.86,
05/19 04Z,  -0.20,   3.99,  99.90,   4.64,   0.86,
05/19 05Z,  -0.20,   3.15,  99.90,   3.81,   0.86,
05/19 06Z,  -0.20,   2.80,  99.90,   3.46,   0.86,  (min)
05/19 07Z,  -0.20,   3.08,  99.90,   3.74,   0.86,
05/19 08Z,  -0.20,   3.96,  99.90,   4.62,   0.86,
05/19 09Z,  -0.20,   5.33,  99.90,   5.99,   0.86,
05/19 10Z,  -0.20,   6.83,  99.90,   7.49,   0.86,
05/19 11Z,  -0.30,   7.99,  99.90,   8.55,   0.86,
05/19 12Z,  -0.30,   8.44,  99.90,   9.00,   0.86,  (max)
05/19 13Z,  -0.30,   8.03,  99.90,   8.59,   0.86,
05/19 14Z,  -0.30,   6.76,  99.90,   7.32,   0.86,
05/19 15Z,  -0.40,   4.76,  99.90,   5.22,   0.86,
05/19 16Z,  -0.30,   2.37,  99.90,   2.93,   0.86,
05/19 17Z,  -0.20,   0.11,  99.90,   0.77,   0.86,
05/19 18Z,  -0.20,  -1.56,  99.90,  -0.90,   0.86,
05/19 19Z,  -0.20,  -2.37,  99.90,  -1.71,   0.86,  (min)
05/19 20Z,  -0.20,  -2.25,  99.90,  -1.59,   0.86,
05/19 21Z,  -0.20,  -1.22,  99.90,  -0.56,   0.86,
05/19 22Z,  -0.20,   0.49,  99.90,   1.15,   0.86,
05/19 23Z,  -0.30,   2.42,  99.90,   2.98,   0.86,
05/20 00Z,  -0.40,   4.11,  99.90,   4.57,   0.86,
05/20 01Z,  -0.50,   5.27,  99.90,   5.63,   0.86,
05/20 02Z,  -0.50,   5.77,  99.90,   6.13,   0.86,  (max)
05/20 03Z,  -0.60,   5.59,  99.90,   5.85,   0.86,
05/20 04Z,  -0.50,   4.86,  99.90,   5.22,   0.86,
05/20 05Z,  -0.40,   3.93,  99.90,   4.39,   0.86,
05/20 06Z,  -0.30,   3.22,  99.90,   3.78,   0.86,
05/20 07Z,  -0.30,   2.98,  99.90,   3.53,   0.86,  (min)
05/20 08Z,  -0.20,   3.28,  99.90,   3.94,   0.86,
05/20 09Z,  -0.20,   4.14,  99.90,   4.80,   0.86,
05/20 10Z,  -0.20,   5.40,  99.90,   6.06,   0.86,
05/20 11Z,  -0.20,   6.73,  99.90,   7.39,   0.86,
05/20 12Z,  -0.20,   7.68,  99.90,   8.34,   0.86,
05/20 13Z,  -0.30,   7.96,  99.90,   8.52,   0.86,  (max)
05/20 14Z,  -0.40,   7.47,  99.90,   7.93,   0.86,
05/20 15Z,  -0.50,   6.22,  99.90,   6.57,   0.86,
05/20 16Z,  -0.50,   4.32,  99.90,   4.68,   0.86,
05/20 17Z,  -0.50,   2.14,  99.90,   2.50,   0.86,
05/20 18Z,  -0.40,   0.14,  99.90,   0.60,   0.86,
05/20 19Z,  -0.30,  -1.28,  99.90,  -0.72,   0.86,
05/20 20Z,  -0.30,  -1.91,  99.90,  -1.35,   0.86,  (min)
05/20 21Z,  -0.20,  -1.70,  99.90,  -1.04,   0.86,
05/20 22Z,  -0.30,  -0.66,  99.90,  -0.10,   0.86,
05/20 23Z,  -0.30,   0.95,  99.90,   1.51,   0.86,
05/21 00Z,  -0.40,   2.71,  99.90,   3.17,   0.86,
05/21 01Z,  -0.40,   4.22,  99.90,   4.68,   0.86,
05/21 02Z,  -0.30,   5.25,  99.90,   5.81,   0.86,
05/21 03Z,  -0.30,   5.68,  99.90,   6.24,   0.86,  (max)
05/21 04Z,  -0.20,   5.49,  99.90,   6.15,   0.86,
05/21 05Z,  -0.10,   4.81,  99.90,   5.56,   0.86,
05/21 06Z,   0.00,   3.97,  99.90,   4.83,   0.86,
05/21 07Z,   0.00,   3.34,  99.90,   4.20,   0.86,
05/21 08Z,  -0.10,   3.11,  99.90,   3.87,   0.86,  (min)
05/21 09Z,  -0.10,   3.36,  99.90,   4.12,   0.86,
05/21 10Z,  -0.10,   4.09,  99.90,   4.85,   0.86,
05/21 11Z,  -0.10,   5.18,  99.90,   5.94,   0.86,
05/21 12Z,  -0.10,   6.30,  99.90,   7.06,   0.86,
05/21 13Z,  -0.30,   7.07,  99.90,   7.63,   0.86,
05/21 14Z,  -0.40,   7.26,  99.90,   7.72,   0.86,  (max)
05/21 15Z,  -0.40,   6.79,  99.90,   7.25,   0.86,
05/21 16Z,  -0.40,   5.67,  99.90,   6.13,   0.86,
05/21 17Z,  -0.40,   4.00,  99.90,   4.46,   0.86,
05/21 18Z,  -0.40,   2.10,  99.90,   2.56,   0.86,