EXTRA-TROPICAL  STORM  SURGE
N A T I O N A L    O C E A N I C    A N D    A T M O S P H E R I C    A D M I N I S T R A T I O N

  • This website is considered EXPERIMENTAL, is supported on an 8x5 basis, and has no guarantee of availability.
  • The data located HERE are considered OPERATIONAL and are supported on a 24x7 basis.
About
Manual
Disclaimer
Manual
Datum
hat-on
mhhw-on
msl-on
mllw-on
Regions
Northeast
Mid-Atlantic
Southeast
Gulf
Northwest
Alaska
Gulf of Alaska
Status
Stations
Ketchikan, AK
Sitka, AK
Juneau, AK
Skagway, AK
Elfin Cove, AK
Yakutat, AK
Cordova, AK
Valdez, AK
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
#Nikiski, AK : 01/23/2026 12:21:47 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/21 12Z,  -0.90,   9.55,   8.24,  99.90,  -0.41,
01/21 13Z,  -0.90,  15.08,  13.36,  99.90,  -0.82,
01/21 14Z,  -0.90,  19.12,  17.60,  99.90,  -0.62,
01/21 15Z,  -0.90,  21.28,  20.05,  99.90,  -0.33,  (max)
01/21 16Z,  -0.90,  21.10,  19.97,  99.90,  -0.23,
01/21 17Z,  -0.80,  18.56,  17.33,  99.90,  -0.43,
01/21 18Z,  -0.80,  14.34,  12.80,  99.90,  -0.74,
01/21 19Z,  -0.90,   9.66,   8.59,  99.90,  -0.17,
01/21 20Z,  -0.90,   5.67,   4.82,  99.90,   0.05,
01/21 21Z,  -0.90,   3.19,   2.01,  99.90,  -0.28,
01/21 22Z,  -0.80,   3.29,   1.87,  99.90,  -0.62,  (min)
01/21 23Z,  -0.80,   6.62,   6.07,  99.90,   0.25,
01/22 00Z,  -0.80,  11.94,  11.16,  99.90,   0.02,
01/22 01Z,  -0.80,  16.89,  15.46,  99.90,  -0.63,
01/22 02Z,  -0.80,  20.12,  18.84,  99.90,  -0.48,
01/22 03Z,  -0.80,  21.38,  20.40,  99.90,  -0.18,  (max)
01/22 04Z,  -0.80,  20.51,  19.34,  99.90,  -0.37,
01/22 05Z,  -0.80,  17.41,  15.80,  99.90,  -0.81,
01/22 06Z,  -0.80,  12.61,  11.17,  99.90,  -0.64,
01/22 07Z,  -0.80,   7.20,   6.66,  99.90,   0.26,
01/22 08Z,  -0.80,   2.46,   2.22,  99.90,   0.56,
01/22 09Z,  -0.80,  -0.72,  -1.52,  99.90,  -0.00,
01/22 10Z,  -0.80,  -1.50,  -3.16,  99.90,  -0.86,  (min)
01/22 11Z,  -0.80,   1.04,  -0.28,  99.90,  -0.52,
01/22 12Z,  -0.80,   6.50,   5.60,  99.90,  -0.10,
01/22 13Z,  -0.80,  12.66,  11.05,  99.90,  -0.81,
01/22 14Z,  -0.80,  17.57,  15.76,  99.90,  -1.01,
01/22 15Z,  -0.80,  20.65,  19.24,  99.90,  -0.61,
01/22 16Z,  -0.80,  21.69,  20.59,  99.90,  -0.30,  (max)
01/22 17Z,  -0.80,  20.40,  19.19,  99.90,  -0.41,
01/22 18Z,  -0.80,  16.96,  15.45,  99.90,  -0.71,
01/22 19Z,  -0.80,  12.23,  10.89,  99.90,  -0.54,
01/22 20Z,  -0.80,   7.57,   6.83,  99.90,   0.06,
01/22 21Z,  -0.80,   4.06,   3.24,  99.90,  -0.02,
01/22 22Z,  -0.80,   2.44,   1.17,  99.90,  -0.47,  (min)
01/22 23Z,  -0.80,   3.57,   2.45,  99.90,  -0.32,
01/23 00Z,  -0.80,   7.68,   7.18,  99.90,   0.30,
01/23 01Z,  -0.80,  13.10,  11.96,  99.90,  -0.34,
01/23 02Z,  -0.80,  17.57,  15.97,  99.90,  -0.80,
01/23 03Z,  -0.80,  20.13,  18.82,  99.90,  -0.51,
01/23 04Z,  -0.80,  20.73,  19.62,  99.90,  -0.31,  (max)
01/23 05Z,  -0.80,  19.26,  17.90,  99.90,  -0.56,
01/23 06Z,  -0.80,  15.72,  14.04,  99.90,  -0.88,
01/23 07Z,  -0.80,  10.79,   9.54,  99.90,  -0.45,
01/23 08Z,  -0.80,   5.72,   5.25,  99.90,   0.33,
01/23 09Z,  -0.80,   1.80,   1.20,  99.90,   0.20,
01/23 10Z,  -0.80,  -0.25,  -1.65,  99.90,  -0.60,  (min)
01/23 11Z,  -0.80,   0.25,  -1.55,  99.90,  -1.00,
01/23 12Z,  -0.80,   3.86,   2.96,  99.90,  -0.10,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/23 13Z,  -0.80,   9.67,  99.90,   8.76,  -0.11,
01/23 14Z,  -0.80,  15.36,  99.90,  14.44,  -0.12,
01/23 15Z,  -0.80,  19.35,  99.90,  18.41,  -0.13,
01/23 16Z,  -0.80,  21.38,  99.90,  20.44,  -0.15,  (max)
01/23 17Z,  -0.80,  21.38,  99.90,  20.43,  -0.16,
01/23 18Z,  -0.80,  19.20,  99.90,  18.23,  -0.17,
01/23 19Z,  -0.80,  15.15,  99.90,  14.17,  -0.18,
01/23 20Z,  -0.80,  10.31,  99.90,   9.31,  -0.19,
01/23 21Z,  -0.80,   6.01,  99.90,   5.01,  -0.20,
01/23 22Z,  -0.80,   3.18,  99.90,   2.17,  -0.22,
01/23 23Z,  -0.80,   2.35,  99.90,   1.32,  -0.23,  (min)
01/24 00Z,  -0.80,   4.18,  99.90,   3.14,  -0.24,
01/24 01Z,  -0.80,   8.54,  99.90,   7.50,  -0.24,
01/24 02Z,  -0.80,  13.61,  99.90,  12.57,  -0.24,
01/24 03Z,  -0.80,  17.41,  99.90,  16.37,  -0.24,
01/24 04Z,  -0.90,  19.35,  99.90,  18.21,  -0.24,
01/24 05Z,  -0.90,  19.51,  99.90,  18.37,  -0.24,  (max)
01/24 06Z,  -0.90,  17.73,  99.90,  16.59,  -0.24,
01/24 07Z,  -0.90,  14.14,  99.90,  13.00,  -0.24,
01/24 08Z,  -0.90,   9.51,  99.90,   8.37,  -0.24,
01/24 09Z,  -0.90,   5.19,  99.90,   4.05,  -0.24,
01/24 10Z,  -0.90,   2.31,  99.90,   1.17,  -0.24,
01/24 11Z,  -0.90,   1.34,  99.90,   0.20,  -0.24,  (min)
01/24 12Z,  -0.90,   2.77,  99.90,   1.63,  -0.24,
01/24 13Z,  -0.90,   6.88,  99.90,   5.74,  -0.24,
01/24 14Z,  -1.00,  12.45,  99.90,  11.21,  -0.24,
01/24 15Z,  -1.00,  17.29,  99.90,  16.05,  -0.24,
01/24 16Z,  -1.00,  20.26,  99.90,  19.02,  -0.24,
01/24 17Z,  -1.00,  21.36,  99.90,  20.12,  -0.24,  (max)
01/24 18Z,  -1.10,  20.55,  99.90,  19.21,  -0.24,
01/24 19Z,  -1.10,  17.78,  99.90,  16.44,  -0.24,
01/24 20Z,  -1.10,  13.52,  99.90,  12.18,  -0.24,
01/24 21Z,  -1.10,   8.92,  99.90,   7.58,  -0.24,
01/24 22Z,  -1.10,   5.21,  99.90,   3.87,  -0.24,
01/24 23Z,  -1.10,   3.01,  99.90,   1.67,  -0.24,
01/25 00Z,  -1.10,   2.66,  99.90,   1.32,  -0.24,  (min)
01/25 01Z,  -1.10,   4.71,  99.90,   3.37,  -0.24,
01/25 02Z,  -1.10,   8.86,  99.90,   7.52,  -0.24,
01/25 03Z,  -1.10,  13.29,  99.90,  11.95,  -0.24,
01/25 04Z,  -1.20,  16.42,  99.90,  14.98,  -0.24,
01/25 05Z,  -1.20,  17.98,  99.90,  16.54,  -0.24,
01/25 06Z,  -1.20,  18.01,  99.90,  16.57,  -0.24,  (max)
01/25 07Z,  -1.20,  16.31,  99.90,  14.87,  -0.24,
01/25 08Z,  -1.10,  13.05,  99.90,  11.71,  -0.24,
01/25 09Z,  -1.10,   9.10,  99.90,   7.76,  -0.24,
01/25 10Z,  -1.00,   5.75,  99.90,   4.51,  -0.24,
01/25 11Z,  -1.00,   3.85,  99.90,   2.61,  -0.24,
01/25 12Z,  -1.00,   3.63,  99.90,   2.39,  -0.24,  (min)
01/25 13Z,  -1.00,   5.47,  99.90,   4.23,  -0.24,
01/25 14Z,  -1.00,   9.50,  99.90,   8.26,  -0.24,
01/25 15Z,  -1.00,  14.41,  99.90,  13.17,  -0.24,
01/25 16Z,  -1.00,  18.26,  99.90,  17.02,  -0.24,
01/25 17Z,  -1.00,  20.34,  99.90,  19.10,  -0.24,
01/25 18Z,  -1.00,  20.78,  99.90,  19.54,  -0.24,  (max)
01/25 19Z,  -0.90,  19.52,  99.90,  18.38,  -0.24,
01/25 20Z,  -0.90,  16.54,  99.90,  15.40,  -0.24,
01/25 21Z,  -0.90,  12.43,  99.90,  11.29,  -0.24,
01/25 22Z,  -0.80,   8.30,  99.90,   7.26,  -0.24,
01/25 23Z,  -0.70,   5.15,  99.90,   4.21,  -0.24,
01/26 00Z,  -0.60,   3.29,  99.90,   2.45,  -0.24,
01/26 01Z,  -0.60,   2.99,  99.90,   2.15,  -0.24,  (min)
01/26 02Z,  -0.60,   4.82,  99.90,   3.98,  -0.24,
01/26 03Z,  -0.70,   8.43,  99.90,   7.49,  -0.24,
01/26 04Z,  -0.70,  12.17,  99.90,  11.23,  -0.24,
01/26 05Z,  -0.70,  14.85,  99.90,  13.91,  -0.24,
01/26 06Z,  -0.70,  16.37,  99.90,  15.43,  -0.24,
01/26 07Z,  -0.60,  16.64,  99.90,  15.80,  -0.24,  (max)
01/26 08Z,  -0.60,  15.38,  99.90,  14.54,  -0.24,
01/26 09Z,  -0.50,  12.76,  99.90,  12.02,  -0.24,
01/26 10Z,  -0.40,   9.66,  99.90,   9.02,  -0.24,
01/26 11Z,  -0.40,   7.22,  99.90,   6.58,  -0.24,
01/26 12Z,  -0.40,   5.98,  99.90,   5.34,  -0.24,  (min)
01/26 13Z,  -0.40,   6.01,  99.90,   5.37,  -0.24,
01/26 14Z,  -0.40,   7.72,  99.90,   7.08,  -0.24,
01/26 15Z,  -0.30,  11.25,  99.90,  10.71,  -0.24,
01/26 16Z,  -0.30,  15.32,  99.90,  14.78,  -0.24,
01/26 17Z,  -0.30,  18.32,  99.90,  17.78,  -0.24,
01/26 18Z,  -0.30,  19.84,  99.90,  19.30,  -0.24,
01/26 19Z,  -0.30,  20.00,  99.90,  19.46,  -0.24,  (max)
01/26 20Z,  -0.30,  18.67,  99.90,  18.13,  -0.24,
01/26 21Z,  -0.30,  15.83,  99.90,  15.29,  -0.24,
01/26 22Z,  -0.20,  12.08,  99.90,  11.64,  -0.24,
01/26 23Z,  -0.10,   8.43,  99.90,   8.09,  -0.24,
01/27 00Z,  -0.10,   5.59,  99.90,   5.25,  -0.24,