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 : 11/17/2025 21:21:40 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
11/16 06Z,   0.20,   3.81,   3.05,  99.90,  -0.96,  (min)
11/16 07Z,   0.20,   6.42,   6.40,  99.90,  -0.22,
11/16 08Z,   0.20,  10.06,  10.26,  99.90,  -0.00,
11/16 09Z,   0.10,  14.07,  13.75,  99.90,  -0.42,
11/16 10Z,   0.10,  17.15,  16.48,  99.90,  -0.77,
11/16 11Z,   0.10,  18.31,  17.76,  99.90,  -0.65,  (max)
11/16 12Z,   0.10,  17.52,  17.30,  99.90,  -0.32,
11/16 13Z,   0.00,  15.40,  15.02,  99.90,  -0.38,
11/16 14Z,   0.00,  12.49,  11.82,  99.90,  -0.67,
11/16 15Z,   0.00,   8.99,   8.71,  99.90,  -0.28,
11/16 16Z,   0.00,   5.72,   6.01,  99.90,   0.29,
11/16 17Z,  -0.10,   4.28,   4.43,  99.90,   0.25,  (min)
11/16 18Z,  -0.10,   5.32,   5.09,  99.90,  -0.13,
11/16 19Z,  -0.20,   8.10,   8.49,  99.90,   0.59,
11/16 20Z,  -0.20,  11.83,  12.35,  99.90,   0.72,
11/16 21Z,  -0.20,  15.93,  15.95,  99.90,   0.22,
11/16 22Z,  -0.30,  19.31,  18.72,  99.90,  -0.29,
11/16 23Z,  -0.30,  20.78,  19.99,  99.90,  -0.49,  (max)
11/17 00Z,  -0.20,  20.01,  19.19,  99.90,  -0.62,
11/17 01Z,  -0.20,  17.49,  16.48,  99.90,  -0.81,
11/17 02Z,  -0.30,  13.96,  12.63,  99.90,  -1.03,
11/17 03Z,  -0.40,   9.71,   8.77,  99.90,  -0.54,
11/17 04Z,  -0.50,   5.22,   5.07,  99.90,   0.35,
11/17 05Z,  -0.60,   2.00,   2.00,  99.90,   0.60,
11/17 06Z,  -0.50,   1.43,   0.85,  99.90,  -0.08,  (min)
11/17 07Z,  -0.50,   3.32,   2.67,  99.90,  -0.15,
11/17 08Z,  -0.50,   6.75,   6.87,  99.90,   0.62,
11/17 09Z,  -0.60,  11.10,  11.02,  99.90,   0.52,
11/17 10Z,  -0.60,  15.40,  14.75,  99.90,  -0.05,
11/17 11Z,  -0.60,  18.28,  17.51,  99.90,  -0.17,
11/17 12Z,  -0.60,  18.95,  18.56,  99.90,   0.21,  (max)
11/17 13Z,  -0.60,  17.61,  17.67,  99.90,   0.66,
11/17 14Z,  -0.60,  15.06,  14.97,  99.90,   0.51,
11/17 15Z,  -0.50,  11.86,  11.59,  99.90,   0.23,
11/17 16Z,  -0.50,   8.30,   8.50,  99.90,   0.70,
11/17 17Z,  -0.40,   5.41,   6.02,  99.90,   1.01,
11/17 18Z,  -0.40,   4.75,   4.92,  99.90,   0.57,  (min)
11/17 19Z,  -0.40,   6.62,   6.83,  99.90,   0.61,
11/17 20Z,  -0.40,  10.01,  10.88,  99.90,   1.27,
11/17 21Z,  -0.40,  14.04,  14.74,  99.90,   1.10,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
11/17 22Z,  -0.30,  17.95,  99.90,  18.66,   1.01,
11/17 23Z,  -0.20,  20.60,  99.90,  21.32,   0.92,
11/18 00Z,  -0.20,  21.04,  99.90,  21.66,   0.83,  (max)
11/18 01Z,  -0.10,  19.22,  99.90,  19.85,   0.73,
11/18 02Z,  -0.10,  15.88,  99.90,  16.42,   0.64,
11/18 03Z,  -0.10,  11.78,  99.90,  12.23,   0.55,
11/18 04Z,  -0.20,   7.23,  99.90,   7.48,   0.46,
11/18 05Z,  -0.20,   2.88,  99.90,   3.05,   0.36,
11/18 06Z,  -0.20,   0.40,  99.90,   0.47,   0.27,  (min)
11/18 07Z,  -0.10,   0.90,  99.90,   0.97,   0.18,
11/18 08Z,  -0.10,   3.83,  99.90,   3.81,   0.09,
11/18 09Z,   0.00,   8.09,  99.90,   8.09,  -0.01,
11/18 10Z,   0.00,  12.88,  99.90,  12.87,  -0.01,
11/18 11Z,   0.00,  17.04,  99.90,  17.03,  -0.01,
11/18 12Z,   0.00,  19.31,  99.90,  19.30,  -0.01,  (max)
11/18 13Z,   0.00,  19.18,  99.90,  19.17,  -0.01,
11/18 14Z,  -0.10,  17.16,  99.90,  17.05,  -0.01,
11/18 15Z,  -0.10,  14.19,  99.90,  14.08,  -0.01,
11/18 16Z,  -0.20,  10.83,  99.90,  10.62,  -0.01,
11/18 17Z,  -0.20,   7.46,  99.90,   7.25,  -0.01,
11/18 18Z,  -0.20,   5.28,  99.90,   5.07,  -0.01,  (min)
11/18 19Z,  -0.20,   5.68,  99.90,   5.48,  -0.01,
11/18 20Z,  -0.20,   8.50,  99.90,   8.30,  -0.01,
11/18 21Z,  -0.20,  12.42,  99.90,  12.21,  -0.01,
11/18 22Z,  -0.10,  16.44,  99.90,  16.34,  -0.01,
11/18 23Z,   0.00,  19.76,  99.90,  19.76,  -0.01,
11/19 00Z,   0.00,  21.33,  99.90,  21.32,  -0.01,  (max)
11/19 01Z,  -0.10,  20.51,  99.90,  20.41,  -0.01,
11/19 02Z,  -0.10,  17.64,  99.90,  17.54,  -0.01,
11/19 03Z,  -0.20,  13.61,  99.90,  13.41,  -0.01,
11/19 04Z,  -0.20,   9.17,  99.90,   8.96,  -0.01,
11/19 05Z,  -0.30,   4.63,  99.90,   4.33,  -0.01,
11/19 06Z,  -0.30,   0.86,  99.90,   0.55,  -0.01,
11/19 07Z,  -0.30,  -0.49,  99.90,  -0.80,  -0.01,  (min)
11/19 08Z,  -0.30,   1.31,  99.90,   1.01,  -0.01,
11/19 09Z,  -0.30,   5.29,  99.90,   4.98,  -0.01,
11/19 10Z,  -0.30,  10.14,  99.90,   9.84,  -0.01,
11/19 11Z,  -0.30,  14.95,  99.90,  14.64,  -0.01,
11/19 12Z,  -0.40,  18.55,  99.90,  18.15,  -0.01,
11/19 13Z,  -0.50,  19.91,  99.90,  19.41,  -0.01,  (max)
11/19 14Z,  -0.50,  18.89,  99.90,  18.38,  -0.01,
11/19 15Z,  -0.50,  16.24,  99.90,  15.73,  -0.01,
11/19 16Z,  -0.50,  12.97,  99.90,  12.47,  -0.01,
11/19 17Z,  -0.50,   9.63,  99.90,   9.13,  -0.01,
11/19 18Z,  -0.50,   6.72,  99.90,   6.21,  -0.01,
11/19 19Z,  -0.50,   5.53,  99.90,   5.02,  -0.01,  (min)
11/19 20Z,  -0.50,   7.13,  99.90,   6.62,  -0.01,
11/19 21Z,  -0.50,  10.80,  99.90,  10.30,  -0.01,
11/19 22Z,  -0.40,  14.96,  99.90,  14.56,  -0.01,
11/19 23Z,  -0.40,  18.60,  99.90,  18.19,  -0.01,
11/20 00Z,  -0.30,  20.96,  99.90,  20.66,  -0.01,
11/20 01Z,  -0.20,  21.25,  99.90,  21.05,  -0.01,  (max)
11/20 02Z,  -0.20,  19.23,  99.90,  19.03,  -0.01,
11/20 03Z,  -0.30,  15.49,  99.90,  15.18,  -0.01,
11/20 04Z,  -0.30,  11.02,  99.90,  10.72,  -0.01,
11/20 05Z,  -0.30,   6.52,  99.90,   6.21,  -0.01,
11/20 06Z,  -0.20,   2.34,  99.90,   2.13,  -0.01,
11/20 07Z,  -0.20,  -0.51,  99.90,  -0.72,  -0.01,  (min)
11/20 08Z,  -0.20,  -0.48,  99.90,  -0.68,  -0.01,
11/20 09Z,  -0.20,   2.64,  99.90,   2.44,  -0.01,
11/20 10Z,  -0.20,   7.41,  99.90,   7.21,  -0.01,
11/20 11Z,  -0.10,  12.46,  99.90,  12.35,  -0.01,
11/20 12Z,   0.00,  16.86,  99.90,  16.85,  -0.01,
11/20 13Z,   0.00,  19.60,  99.90,  19.60,  -0.01,
11/20 14Z,   0.00,  19.97,  99.90,  19.96,  -0.01,  (max)
11/20 15Z,   0.00,  18.13,  99.90,  18.13,  -0.01,
11/20 16Z,   0.00,  15.02,  99.90,  15.01,  -0.01,
11/20 17Z,   0.10,  11.63,  99.90,  11.73,  -0.01,
11/20 18Z,   0.30,   8.52,  99.90,   8.81,  -0.01,
11/20 19Z,   0.40,   6.29,  99.90,   6.68,  -0.01,  (min)
11/20 20Z,   0.50,   6.25,  99.90,   6.74,  -0.01,
11/20 21Z,   0.60,   8.98,  99.90,   9.58,  -0.01,
11/20 22Z,   0.80,  13.23,  99.90,  14.02,  -0.01,
11/20 23Z,   0.90,  17.24,  99.90,  18.13,  -0.01,
11/21 00Z,   1.00,  20.13,  99.90,  21.12,  -0.01,
11/21 01Z,   0.90,  21.34,  99.90,  22.24,  -0.01,  (max)
11/21 02Z,   0.90,  20.41,  99.90,  21.30,  -0.01,
11/21 03Z,   0.90,  17.40,  99.90,  18.29,  -0.01,
11/21 04Z,   0.90,  13.09,  99.90,  13.98,  -0.01,
11/21 05Z,   1.00,   8.47,  99.90,   9.47,  -0.01,
11/21 06Z,   1.00,   4.19,  99.90,   5.18,  -0.01,
11/21 07Z,   1.00,   0.64,  99.90,   1.63,  -0.01,
11/21 08Z,   0.90,  -1.03,  99.90,  -0.14,  -0.01,  (min)
11/21 09Z,   0.90,   0.43,  99.90,   1.32,  -0.01,
11/21 10Z,   0.80,   4.62,  99.90,   5.42,  -0.01,
11/21 11Z,   0.80,   9.78,  99.90,  10.57,  -0.01,
11/21 12Z,   0.80,  14.57,  99.90,  15.37,  -0.01,
11/21 13Z,  99.90,  18.25,  99.90,  99.90,  -0.01,
11/21 14Z,  99.90,  20.04,  99.90,  99.90,  -0.01,
11/21 15Z,  99.90,  19.52,  99.90,  99.90,  -0.01,
11/21 16Z,  99.90,  17.06,  99.90,  99.90,  -0.01,
11/21 17Z,  99.90,  13.68,  99.90,  99.90,  -0.01,
11/21 18Z,  99.90,  10.37,  99.90,  99.90,  -0.01,