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 : 06/23/2025 13:21:51 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
06/21 18Z,  -0.20,   4.84,   4.61,  99.90,  -0.03,
06/21 19Z,  -0.30,   8.74,   8.58,  99.90,   0.14,
06/21 20Z,  -0.30,  12.51,  12.12,  99.90,  -0.09,
06/21 21Z,  -0.30,  15.58,  15.04,  99.90,  -0.24,
06/21 22Z,  -0.40,  17.16,  16.57,  99.90,  -0.19,  (max)
06/21 23Z,  -0.40,  16.71,  16.34,  99.90,   0.03,
06/22 00Z,  -0.40,  14.56,  14.37,  99.90,   0.21,
06/22 01Z,  -0.40,  11.69,  11.40,  99.90,   0.11,
06/22 02Z,  -0.40,   8.95,   8.51,  99.90,  -0.04,
06/22 03Z,  -0.40,   6.64,   6.17,  99.90,  -0.07,
06/22 04Z,  -0.40,   5.33,   4.88,  99.90,  -0.05,  (min)
06/22 05Z,  -0.40,   6.15,   6.08,  99.90,   0.33,
06/22 06Z,  -0.40,   9.28,   9.45,  99.90,   0.57,
06/22 07Z,  -0.50,  13.33,  12.99,  99.90,   0.16,
06/22 08Z,  -0.50,  17.01,  16.42,  99.90,  -0.09,
06/22 09Z,  -0.50,  19.77,  19.17,  99.90,  -0.10,
06/22 10Z,  -0.40,  20.99,  20.34,  99.90,  -0.25,  (max)
06/22 11Z,  -0.40,  20.08,  19.27,  99.90,  -0.41,
06/22 12Z,  -0.40,  17.12,  16.13,  99.90,  -0.59,
06/22 13Z,  -0.40,  12.92,  12.13,  99.90,  -0.39,
06/22 14Z,  -0.40,   8.45,   8.11,  99.90,   0.06,
06/22 15Z,  -0.40,   4.20,   4.01,  99.90,   0.21,
06/22 16Z,  -0.30,   0.58,   0.51,  99.90,   0.23,
06/22 17Z,  -0.30,  -1.16,  -1.46,  99.90,   0.00,  (min)
06/22 18Z,  -0.30,   0.08,  -0.60,  99.90,  -0.38,
06/22 19Z,  -0.30,   3.71,   3.60,  99.90,   0.19,
06/22 20Z,  -0.30,   8.25,   8.28,  99.90,   0.33,
06/22 21Z,  -0.30,  12.72,  12.38,  99.90,  -0.04,
06/22 22Z,  -0.20,  16.35,  15.78,  99.90,  -0.37,
06/22 23Z,  -0.20,  18.16,  17.70,  99.90,  -0.26,  (max)
06/23 00Z,  -0.20,  17.71,  17.68,  99.90,   0.17,
06/23 01Z,  -0.20,  15.49,  15.64,  99.90,   0.35,
06/23 02Z,  -0.10,  12.50,  12.36,  99.90,  -0.04,
06/23 03Z,  -0.10,   9.52,   9.17,  99.90,  -0.25,
06/23 04Z,  -0.10,   6.88,   6.59,  99.90,  -0.19,
06/23 05Z,  -0.10,   5.40,   5.07,  99.90,  -0.23,  (min)
06/23 06Z,   0.00,   6.35,   6.21,  99.90,  -0.14,
06/23 07Z,   0.00,   9.73,   9.87,  99.90,   0.14,
06/23 08Z,   0.00,  14.02,  13.74,  99.90,  -0.28,
06/23 09Z,   0.00,  17.92,  17.36,  99.90,  -0.56,
06/23 10Z,   0.00,  20.74,  20.11,  99.90,  -0.63,
06/23 11Z,   0.00,  21.74,  21.07,  99.90,  -0.67,  (max)
06/23 12Z,   0.00,  20.39,  19.66,  99.90,  -0.73,
06/23 13Z,   0.00,  16.96,  16.06,  99.90,  -0.90,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
06/23 14Z,   0.00,  12.35,  99.90,  11.51,  -0.84,
06/23 15Z,   0.00,   7.47,  99.90,   6.68,  -0.79,
06/23 16Z,   0.00,   2.76,  99.90,   2.02,  -0.74,
06/23 17Z,   0.00,  -1.17,  99.90,  -1.85,  -0.68,
06/23 18Z,   0.00,  -2.78,  99.90,  -3.41,  -0.63,  (min)
06/23 19Z,   0.00,  -1.03,  99.90,  -1.60,  -0.57,
06/23 20Z,   0.00,   3.25,  99.90,   2.73,  -0.52,
06/23 21Z,   0.00,   8.47,  99.90,   8.01,  -0.47,
06/23 22Z,   0.00,  13.55,  99.90,  13.14,  -0.41,
06/23 23Z,   0.00,  17.47,  99.90,  17.11,  -0.36,
06/24 00Z,   0.00,  19.23,  99.90,  18.93,  -0.30,  (max)
06/24 01Z,   0.00,  18.56,  99.90,  18.31,  -0.25,
06/24 02Z,   0.00,  16.10,  99.90,  15.85,  -0.25,
06/24 03Z,   0.00,  12.86,  99.90,  12.61,  -0.25,
06/24 04Z,  -0.10,   9.56,  99.90,   9.21,  -0.25,
06/24 05Z,  -0.10,   6.59,  99.90,   6.25,  -0.25,
06/24 06Z,  -0.10,   5.08,  99.90,   4.73,  -0.25,  (min)
06/24 07Z,  -0.20,   6.36,  99.90,   5.91,  -0.25,
06/24 08Z,  -0.20,  10.15,  99.90,   9.70,  -0.25,
06/24 09Z,  -0.20,  14.78,  99.90,  14.33,  -0.25,
06/24 10Z,  -0.20,  18.86,  99.90,  18.41,  -0.25,
06/24 11Z,  -0.20,  21.61,  99.90,  21.17,  -0.25,
06/24 12Z,  -0.10,  22.25,  99.90,  21.91,  -0.25,  (max)
06/24 13Z,  -0.20,  20.41,  99.90,  19.96,  -0.25,
06/24 14Z,  -0.20,  16.53,  99.90,  16.08,  -0.25,
06/24 15Z,  -0.20,  11.56,  99.90,  11.11,  -0.25,
06/24 16Z,  -0.30,   6.33,  99.90,   5.78,  -0.25,
06/24 17Z,  -0.30,   1.27,  99.90,   0.72,  -0.25,
06/24 18Z,  -0.30,  -2.73,  99.90,  -3.28,  -0.25,
06/24 19Z,  -0.30,  -3.92,  99.90,  -4.46,  -0.25,  (min)
06/24 20Z,  -0.30,  -1.43,  99.90,  -1.98,  -0.25,
06/24 21Z,  -0.20,   3.57,  99.90,   3.12,  -0.25,
06/24 22Z,  -0.20,   9.37,  99.90,   8.92,  -0.25,
06/24 23Z,  -0.20,  14.77,  99.90,  14.32,  -0.25,
06/25 00Z,  -0.20,  18.66,  99.90,  18.21,  -0.25,
06/25 01Z,  -0.20,  20.13,  99.90,  19.68,  -0.25,  (max)
06/25 02Z,  -0.20,  19.08,  99.90,  18.63,  -0.25,
06/25 03Z,  -0.20,  16.28,  99.90,  15.83,  -0.25,
06/25 04Z,  -0.20,  12.73,  99.90,  12.28,  -0.25,
06/25 05Z,  -0.20,   9.08,  99.90,   8.63,  -0.25,
06/25 06Z,  -0.10,   5.90,  99.90,   5.55,  -0.25,
06/25 07Z,  -0.10,   4.57,  99.90,   4.22,  -0.25,  (min)
06/25 08Z,  -0.10,   6.37,  99.90,   6.02,  -0.25,
06/25 09Z,   0.00,  10.66,  99.90,  10.42,  -0.25,
06/25 10Z,   0.00,  15.56,  99.90,  15.31,  -0.25,
06/25 11Z,   0.00,  19.69,  99.90,  19.44,  -0.25,
06/25 12Z,   0.00,  22.21,  99.90,  21.96,  -0.25,
06/25 13Z,   0.00,  22.41,  99.90,  22.16,  -0.25,  (max)
06/25 14Z,   0.00,  20.09,  99.90,  19.84,  -0.25,
06/25 15Z,   0.00,  15.83,  99.90,  15.58,  -0.25,
06/25 16Z,   0.00,  10.58,  99.90,  10.33,  -0.25,
06/25 17Z,   0.00,   5.09,  99.90,   4.84,  -0.25,
06/25 18Z,   0.00,  -0.13,  99.90,  -0.38,  -0.25,
06/25 19Z,   0.00,  -3.89,  99.90,  -4.14,  -0.25,
06/25 20Z,   0.00,  -4.36,  99.90,  -4.61,  -0.25,  (min)
06/25 21Z,   0.00,  -1.02,  99.90,  -1.27,  -0.25,
06/25 22Z,   0.00,   4.62,  99.90,   4.37,  -0.25,
06/25 23Z,   0.00,  10.73,  99.90,  10.48,  -0.25,
06/26 00Z,   0.00,  16.12,  99.90,  15.88,  -0.25,
06/26 01Z,   0.00,  19.70,  99.90,  19.45,  -0.25,
06/26 02Z,   0.00,  20.69,  99.90,  20.44,  -0.25,  (max)
06/26 03Z,  -0.10,  19.18,  99.90,  18.83,  -0.25,
06/26 04Z,  -0.10,  16.01,  99.90,  15.66,  -0.25,
06/26 05Z,  -0.10,  12.13,  99.90,  11.78,  -0.25,
06/26 06Z,  -0.10,   8.20,  99.90,   7.85,  -0.25,
06/26 07Z,   0.00,   5.00,  99.90,   4.75,  -0.25,
06/26 08Z,   0.00,   4.10,  99.90,   3.85,  -0.25,  (min)
06/26 09Z,   0.00,   6.55,  99.90,   6.30,  -0.25,
06/26 10Z,   0.00,  11.28,  99.90,  11.04,  -0.25,
06/26 11Z,   0.00,  16.28,  99.90,  16.03,  -0.25,
06/26 12Z,   0.00,  20.24,  99.90,  19.99,  -0.25,
06/26 13Z,   0.00,  22.40,  99.90,  22.15,  -0.25,  (max)
06/26 14Z,   0.00,  22.14,  99.90,  21.89,  -0.25,
06/26 15Z,   0.00,  19.42,  99.90,  19.17,  -0.25,
06/26 16Z,   0.00,  14.89,  99.90,  14.64,  -0.25,
06/26 17Z,  -0.10,   9.45,  99.90,   9.10,  -0.25,
06/26 18Z,  -0.10,   3.86,  99.90,   3.51,  -0.25,
06/26 19Z,  -0.10,  -1.25,  99.90,  -1.60,  -0.25,
06/26 20Z,  -0.10,  -4.45,  99.90,  -4.80,  -0.25,  (min)
06/26 21Z,  -0.10,  -3.99,  99.90,  -4.34,  -0.25,
06/26 22Z,  -0.10,   0.17,  99.90,  -0.18,  -0.25,
06/26 23Z,  -0.10,   6.19,  99.90,   5.84,  -0.25,
06/27 00Z,   0.00,  12.29,  99.90,  12.04,  -0.25,
06/27 01Z,   0.00,  17.36,  99.90,  17.11,  -0.25,
06/27 02Z,   0.00,  20.42,  99.90,  20.17,  -0.25,
06/27 03Z,   0.00,  20.85,  99.90,  20.60,  -0.25,  (max)
06/27 04Z,   0.00,  18.88,  99.90,  18.63,  -0.25,
06/27 05Z,   0.00,  15.33,  99.90,  15.08,  -0.25,
06/27 06Z,   0.00,  11.19,  99.90,  10.94,  -0.25,