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 : 06/18/2026 01:22:57 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
06/16 06Z,   0.00,   8.65,   8.46,  99.90,  -0.19,
06/16 07Z,   0.10,   5.22,   5.17,  99.90,  -0.15,
06/16 08Z,   0.10,   3.67,   3.41,  99.90,  -0.36,  (min)
06/16 09Z,   0.20,   5.40,   5.59,  99.90,  -0.01,
06/16 10Z,   0.20,  10.14,  11.03,  99.90,   0.69,
06/16 11Z,   0.30,  15.73,  15.89,  99.90,  -0.14,
06/16 12Z,   0.10,  20.25,  20.03,  99.90,  -0.32,
06/16 13Z,   0.20,  22.86,  22.88,  99.90,  -0.18,
06/16 14Z,   0.20,  23.07,  23.26,  99.90,  -0.01,  (max)
06/16 15Z,   0.20,  20.69,  20.71,  99.90,  -0.18,
06/16 16Z,   0.20,  16.19,  15.83,  99.90,  -0.56,
06/16 17Z,   0.20,  10.48,  10.62,  99.90,  -0.06,
06/16 18Z,   0.20,   4.57,   5.63,  99.90,   0.86,
06/16 19Z,   0.20,  -0.81,   0.69,  99.90,   1.30,
06/16 20Z,   0.20,  -4.63,  -3.23,  99.90,   1.20,
06/16 21Z,   0.20,  -5.21,  -5.07,  99.90,  -0.06,  (min)
06/16 22Z,   0.10,  -1.70,  -2.09,  99.90,  -0.49,
06/16 23Z,   0.10,   4.44,   4.69,  99.90,   0.15,
06/17 00Z,   0.10,  10.97,  10.87,  99.90,  -0.20,
06/17 01Z,   0.10,  16.49,  15.96,  99.90,  -0.63,
06/17 02Z,   0.10,  20.15,  19.71,  99.90,  -0.54,
06/17 03Z,   0.10,  21.29,  21.17,  99.90,  -0.22,  (max)
06/17 04Z,   0.10,  19.80,  19.78,  99.90,  -0.12,
06/17 05Z,   0.20,  16.35,  15.84,  99.90,  -0.71,
06/17 06Z,   0.10,  12.00,  11.23,  99.90,  -0.87,
06/17 07Z,   0.10,   7.73,   7.37,  99.90,  -0.46,
06/17 08Z,   0.10,   4.35,   4.07,  99.90,  -0.38,
06/17 09Z,   0.20,   3.23,   2.62,  99.90,  -0.81,  (min)
06/17 10Z,   0.20,   5.60,   5.43,  99.90,  -0.37,
06/17 11Z,   0.20,  10.68,  10.99,  99.90,   0.11,
06/17 12Z,   0.20,  16.15,  15.84,  99.90,  -0.51,
06/17 13Z,   0.20,  20.35,  19.78,  99.90,  -0.77,
06/17 14Z,   0.20,  22.60,  22.49,  99.90,  -0.31,
06/17 15Z,   0.10,  22.50,  22.49,  99.90,  -0.11,  (max)
06/17 16Z,   0.10,  19.92,  19.53,  99.90,  -0.49,
06/17 17Z,   0.00,  15.29,  14.58,  99.90,  -0.71,
06/17 18Z,   0.00,   9.55,   9.51,  99.90,  -0.04,
06/17 19Z,   0.00,   3.72,   4.54,  99.90,   0.82,
06/17 20Z,   0.00,  -1.40,  -0.24,  99.90,   1.16,
06/17 21Z,   0.00,  -4.65,  -3.87,  99.90,   0.78,
06/17 22Z,  -0.10,  -4.37,  -5.13,  99.90,  -0.66,  (min)
06/17 23Z,  -0.10,  -0.21,  -1.07,  99.90,  -0.76,
06/18 00Z,  -0.10,   6.06,   5.76,  99.90,  -0.20,
06/18 01Z,  -0.10,  12.28,  11.71,  99.90,  -0.47,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
06/18 02Z,  -0.20,  17.35,  99.90,  16.73,  -0.42,
06/18 03Z,  -0.20,  20.54,  99.90,  19.98,  -0.37,
06/18 04Z,  -0.20,  21.23,  99.90,  20.72,  -0.31,  (max)
06/18 05Z,  -0.20,  19.38,  99.90,  18.91,  -0.26,
06/18 06Z,  -0.30,  15.65,  99.90,  15.14,  -0.21,
06/18 07Z,  -0.30,  11.17,  99.90,  10.71,  -0.16,
06/18 08Z,  -0.30,   6.90,  99.90,   6.50,  -0.10,
06/18 09Z,  -0.30,   3.76,  99.90,   3.40,  -0.05,
06/18 10Z,  -0.30,   3.12,  99.90,   2.83,   0.00,  (min)
06/18 11Z,  -0.30,   5.93,  99.90,   5.68,   0.05,
06/18 12Z,  -0.40,  11.00,  99.90,  10.70,   0.11,
06/18 13Z,  -0.40,  16.07,  99.90,  15.83,   0.16,
06/18 14Z,  -0.40,  19.81,  99.90,  19.57,   0.16,
06/18 15Z,  -0.50,  21.76,  99.90,  21.42,   0.16,  (max)
06/18 16Z,  -0.50,  21.50,  99.90,  21.16,   0.16,
06/18 17Z,  -0.60,  18.87,  99.90,  18.43,   0.16,
06/18 18Z,  -0.70,  14.30,  99.90,  13.76,   0.16,
06/18 19Z,  -0.70,   8.75,  99.90,   8.21,   0.16,
06/18 20Z,  -0.70,   3.27,  99.90,   2.73,   0.16,
06/18 21Z,  -0.80,  -1.33,  99.90,  -1.97,   0.16,
06/18 22Z,  -0.80,  -3.83,  99.90,  -4.47,   0.16,  (min)
06/18 23Z,  -0.80,  -2.79,  99.90,  -3.43,   0.16,
06/19 00Z,  -0.80,   1.70,  99.90,   1.06,   0.16,
06/19 01Z,  -0.80,   7.70,  99.90,   7.06,   0.16,
06/19 02Z,  -0.80,  13.37,  99.90,  12.73,   0.16,
06/19 03Z,  -0.80,  17.89,  99.90,  17.25,   0.16,
06/19 04Z,  -0.80,  20.61,  99.90,  19.97,   0.16,
06/19 05Z,  -0.80,  20.89,  99.90,  20.25,   0.16,  (max)
06/19 06Z,  -0.80,  18.73,  99.90,  18.09,   0.16,
06/19 07Z,  -0.80,  14.86,  99.90,  14.22,   0.16,
06/19 08Z,  -0.80,  10.42,  99.90,   9.78,   0.16,
06/19 09Z,  -0.80,   6.36,  99.90,   5.71,   0.16,
06/19 10Z,  -0.80,   3.55,  99.90,   2.91,   0.16,
06/19 11Z,  -0.70,   3.31,  99.90,   2.77,   0.16,  (min)
06/19 12Z,  -0.70,   6.25,  99.90,   5.71,   0.16,
06/19 13Z,  -0.70,  10.95,  99.90,  10.41,   0.16,
06/19 14Z,  -0.70,  15.42,  99.90,  14.88,   0.16,
06/19 15Z,  -0.70,  18.70,  99.90,  18.16,   0.16,
06/19 16Z,  -0.70,  20.45,  99.90,  19.91,   0.16,  (max)
06/19 17Z,  -0.80,  20.17,  99.90,  19.53,   0.16,
06/19 18Z,  -0.80,  17.64,  99.90,  17.00,   0.16,
06/19 19Z,  -0.80,  13.31,  99.90,  12.67,   0.16,
06/19 20Z,  -0.80,   8.21,  99.90,   7.57,   0.16,
06/19 21Z,  -0.80,   3.34,  99.90,   2.70,   0.16,
06/19 22Z,  -0.80,  -0.53,  99.90,  -1.17,   0.16,
06/19 23Z,  -0.80,  -2.28,  99.90,  -2.92,   0.16,  (min)
06/20 00Z,  -0.80,  -0.70,  99.90,  -1.34,   0.16,
06/20 01Z,  -0.80,   3.76,  99.90,   3.12,   0.16,
06/20 02Z,  -0.80,   9.19,  99.90,   8.55,   0.16,
06/20 03Z,  -0.70,  14.17,  99.90,  13.63,   0.16,
06/20 04Z,  -0.70,  18.13,  99.90,  17.59,   0.16,
06/20 05Z,  -0.70,  20.40,  99.90,  19.86,   0.16,  (max)
06/20 06Z,  -0.70,  20.34,  99.90,  19.79,   0.16,
06/20 07Z,  -0.60,  17.97,  99.90,  17.53,   0.16,
06/20 08Z,  -0.60,  14.12,  99.90,  13.68,   0.16,
06/20 09Z,  -0.50,   9.93,  99.90,   9.58,   0.16,
06/20 10Z,  -0.50,   6.18,  99.90,   5.84,   0.16,
06/20 11Z,  -0.50,   3.69,  99.90,   3.35,   0.16,  (min)
06/20 12Z,  -0.40,   3.64,  99.90,   3.40,   0.16,
06/20 13Z,  -0.40,   6.37,  99.90,   6.13,   0.16,
06/20 14Z,  -0.40,  10.45,  99.90,  10.21,   0.16,
06/20 15Z,  -0.40,  14.25,  99.90,  14.01,   0.16,
06/20 16Z,  -0.50,  17.17,  99.90,  16.83,   0.16,
06/20 17Z,  -0.50,  18.85,  99.90,  18.51,   0.16,  (max)
06/20 18Z,  -0.50,  18.68,  99.90,  18.33,   0.16,
06/20 19Z,  -0.50,  16.39,  99.90,  16.05,   0.16,
06/20 20Z,  -0.50,  12.52,  99.90,  12.18,   0.16,
06/20 21Z,  -0.50,   8.10,  99.90,   7.76,   0.16,
06/20 22Z,  -0.40,   4.04,  99.90,   3.80,   0.16,
06/20 23Z,  -0.40,   0.92,  99.90,   0.68,   0.16,
06/21 00Z,  -0.40,  -0.22,  99.90,  -0.46,   0.16,  (min)
06/21 01Z,  -0.40,   1.60,  99.90,   1.35,   0.16,
06/21 02Z,  -0.30,   5.71,  99.90,   5.57,   0.16,
06/21 03Z,  -0.30,  10.41,  99.90,  10.27,   0.16,
06/21 04Z,  -0.30,  14.69,  99.90,  14.55,   0.16,
06/21 05Z,  -0.30,  18.13,  99.90,  17.99,   0.16,
06/21 06Z,  -0.20,  19.99,  99.90,  19.95,   0.16,  (max)
06/21 07Z,  -0.20,  19.65,  99.90,  19.61,   0.16,
06/21 08Z,  -0.20,  17.21,  99.90,  17.17,   0.16,
06/21 09Z,  -0.10,  13.57,  99.90,  13.63,   0.16,
06/21 10Z,  -0.10,   9.74,  99.90,   9.80,   0.16,
06/21 11Z,  -0.10,   6.32,  99.90,   6.38,   0.16,
06/21 12Z,   0.00,   3.98,  99.90,   4.14,   0.16,
06/21 13Z,   0.00,   3.86,  99.90,   4.02,   0.16,  (min)
06/21 14Z,   0.00,   6.15,  99.90,   6.31,   0.16,
06/21 15Z,  -0.10,   9.51,  99.90,   9.57,   0.16,
06/21 16Z,  -0.10,  12.72,  99.90,  12.78,   0.16,
06/21 17Z,  -0.20,  15.44,  99.90,  15.40,   0.16,
06/21 18Z,  -0.20,  17.20,  99.90,  17.16,   0.16,