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 : 10/09/2026 04:21:16 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/07 12Z,   0.10,  18.10,  17.65,  99.90,  -0.55,  (max)
10/07 13Z,   0.00,  15.12,  14.26,  99.90,  -0.86,
10/07 14Z,   0.00,  11.22,  10.23,  99.90,  -0.99,
10/07 15Z,   0.00,   6.71,   6.39,  99.90,  -0.32,
10/07 16Z,   0.00,   2.53,   2.79,  99.90,   0.26,
10/07 17Z,   0.00,   0.47,   0.32,  99.90,  -0.15,  (min)
10/07 18Z,   0.00,   1.48,   0.45,  99.90,  -1.03,
10/07 19Z,  -0.10,   4.79,   4.31,  99.90,  -0.38,
10/07 20Z,  -0.10,   9.35,   9.38,  99.90,   0.13,
10/07 21Z,  -0.10,  14.38,  13.90,  99.90,  -0.38,
10/07 22Z,  -0.10,  18.68,  17.70,  99.90,  -0.88,
10/07 23Z,  -0.10,  20.98,  19.93,  99.90,  -0.95,
10/08 00Z,  -0.10,  20.79,  20.06,  99.90,  -0.63,  (max)
10/08 01Z,  -0.20,  18.51,  17.80,  99.90,  -0.51,
10/08 02Z,  -0.20,  14.94,  13.71,  99.90,  -1.03,
10/08 03Z,  -0.20,  10.55,   9.59,  99.90,  -0.76,
10/08 04Z,  -0.20,   5.93,   5.79,  99.90,   0.06,
10/08 05Z,  -0.20,   2.69,   2.55,  99.90,   0.06,
10/08 06Z,  -0.30,   2.37,   1.32,  99.90,  -0.75,  (min)
10/08 07Z,  -0.30,   4.78,   3.76,  99.90,  -0.72,
10/08 08Z,  -0.30,   8.74,   8.71,  99.90,   0.27,
10/08 09Z,  -0.30,  13.38,  13.35,  99.90,   0.27,
10/08 10Z,  -0.30,  17.70,  17.23,  99.90,  -0.17,
10/08 11Z,  -0.30,  20.42,  19.75,  99.90,  -0.37,
10/08 12Z,  -0.30,  20.68,  20.20,  99.90,  -0.18,  (max)
10/08 13Z,  -0.30,  18.63,  18.04,  99.90,  -0.29,
10/08 14Z,  -0.30,  15.02,  13.86,  99.90,  -0.86,
10/08 15Z,  -0.30,  10.50,   9.41,  99.90,  -0.79,
10/08 16Z,  -0.30,   5.54,   5.29,  99.90,   0.05,
10/08 17Z,  -0.30,   1.39,   1.52,  99.90,   0.43,
10/08 18Z,  -0.40,  -0.03,  -0.61,  99.90,  -0.18,  (min)
10/08 19Z,  -0.40,   1.92,   0.76,  99.90,  -0.76,
10/08 20Z,  -0.40,   6.18,   6.08,  99.90,   0.30,
10/08 21Z,  -0.40,  11.51,  11.53,  99.90,   0.42,
10/08 22Z,  -0.40,  16.87,  16.17,  99.90,  -0.30,
10/08 23Z,  -0.40,  20.86,  19.73,  99.90,  -0.73,
10/09 00Z,  -0.30,  22.34,  21.27,  99.90,  -0.77,  (max)
10/09 01Z,  -0.40,  21.09,  20.17,  99.90,  -0.52,
10/09 02Z,  -0.40,  17.78,  16.45,  99.90,  -0.93,
10/09 03Z,  -0.40,  13.29,  11.63,  99.90,  -1.26,
10/09 04Z,  -0.40,   8.16,   7.28,  99.90,  -0.48,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/09 05Z,  -0.40,   3.24,  99.90,   2.38,  -0.45,
10/09 06Z,  -0.40,   0.37,  99.90,  -0.46,  -0.42,  (min)
10/09 07Z,  -0.40,   0.95,  99.90,   0.15,  -0.39,
10/09 08Z,  -0.40,   4.43,  99.90,   3.67,  -0.37,
10/09 09Z,  -0.40,   9.42,  99.90,   8.68,  -0.34,
10/09 10Z,  -0.40,  14.77,  99.90,  14.07,  -0.31,
10/09 11Z,  -0.40,  19.27,  99.90,  18.59,  -0.28,
10/09 12Z,  -0.40,  21.58,  99.90,  20.92,  -0.25,  (max)
10/09 13Z,  -0.50,  21.10,  99.90,  20.38,  -0.22,
10/09 14Z,  -0.50,  18.28,  99.90,  17.59,  -0.19,
10/09 15Z,  -0.50,  14.05,  99.90,  13.38,  -0.17,
10/09 16Z,  -0.50,   9.13,  99.90,   8.49,  -0.14,
10/09 17Z,  -0.50,   4.15,  99.90,   3.51,  -0.14,
10/09 18Z,  -0.50,   0.60,  99.90,  -0.04,  -0.14,
10/09 19Z,  -0.50,   0.33,  99.90,  -0.31,  -0.14,  (min)
10/09 20Z,  -0.60,   3.50,  99.90,   2.77,  -0.14,
10/09 21Z,  -0.60,   8.68,  99.90,   7.94,  -0.14,
10/09 22Z,  -0.50,  14.42,  99.90,  13.78,  -0.14,
10/09 23Z,  -0.50,  19.52,  99.90,  18.88,  -0.14,
10/10 00Z,  -0.50,  22.61,  99.90,  21.97,  -0.14,
10/10 01Z,  -0.50,  22.82,  99.90,  22.19,  -0.14,  (max)
10/10 02Z,  -0.50,  20.33,  99.90,  19.69,  -0.14,
10/10 03Z,  -0.50,  16.02,  99.90,  15.38,  -0.14,
10/10 04Z,  -0.60,  10.84,  99.90,  10.10,  -0.14,
10/10 05Z,  -0.60,   5.37,  99.90,   4.64,  -0.14,
10/10 06Z,  -0.60,   0.71,  99.90,  -0.03,  -0.14,
10/10 07Z,  -0.60,  -1.22,  99.90,  -1.96,  -0.14,  (min)
10/10 08Z,  -0.60,   0.63,  99.90,  -0.11,  -0.14,
10/10 09Z,  -0.50,   5.26,  99.90,   4.62,  -0.14,
10/10 10Z,  -0.50,  11.00,  99.90,  10.36,  -0.14,
10/10 11Z,  -0.50,  16.58,  99.90,  15.94,  -0.14,
10/10 12Z,  -0.40,  20.67,  99.90,  20.13,  -0.14,
10/10 13Z,  -0.40,  22.12,  99.90,  21.59,  -0.14,  (max)
10/10 14Z,  -0.40,  20.71,  99.90,  20.17,  -0.14,
10/10 15Z,  -0.30,  17.14,  99.90,  16.70,  -0.14,
10/10 16Z,  -0.30,  12.49,  99.90,  12.05,  -0.14,
10/10 17Z,  -0.30,   7.53,  99.90,   7.09,  -0.14,
10/10 18Z,  -0.40,   3.00,  99.90,   2.47,  -0.14,
10/10 19Z,  -0.40,   0.56,  99.90,   0.02,  -0.14,  (min)
10/10 20Z,  -0.40,   1.74,  99.90,   1.20,  -0.14,
10/10 21Z,  -0.40,   6.12,  99.90,   5.58,  -0.14,
10/10 22Z,  -0.40,  11.86,  99.90,  11.32,  -0.14,
10/10 23Z,  -0.40,  17.44,  99.90,  16.90,  -0.14,
10/11 00Z,  -0.30,  21.67,  99.90,  21.24,  -0.14,
10/11 01Z,  -0.30,  23.42,  99.90,  22.98,  -0.14,  (max)
10/11 02Z,  -0.40,  22.21,  99.90,  21.67,  -0.14,
10/11 03Z,  -0.40,  18.55,  99.90,  18.01,  -0.14,
10/11 04Z,  -0.40,  13.51,  99.90,  12.97,  -0.14,
10/11 05Z,  -0.40,   8.03,  99.90,   7.49,  -0.14,
10/11 06Z,  -0.50,   2.72,  99.90,   2.09,  -0.14,
10/11 07Z,  -0.50,  -1.15,  99.90,  -1.79,  -0.14,
10/11 08Z,  -0.40,  -1.72,  99.90,  -2.26,  -0.14,  (min)
10/11 09Z,  -0.40,   1.50,  99.90,   0.96,  -0.14,
10/11 10Z,  -0.40,   7.02,  99.90,   6.48,  -0.14,
10/11 11Z,  -0.40,  13.03,  99.90,  12.49,  -0.14,
10/11 12Z,  -0.50,  18.26,  99.90,  17.63,  -0.14,
10/11 13Z,  -0.50,  21.51,  99.90,  20.87,  -0.14,
10/11 14Z,  -0.50,  21.91,  99.90,  21.27,  -0.14,  (max)
10/11 15Z,  -0.50,  19.59,  99.90,  18.95,  -0.14,
10/11 16Z,  -0.50,  15.49,  99.90,  14.85,  -0.14,
10/11 17Z,  -0.50,  10.75,  99.90,  10.11,  -0.14,
10/11 18Z,  -0.50,   6.14,  99.90,   5.50,  -0.14,
10/11 19Z,  -0.40,   2.50,  99.90,   1.96,  -0.14,
10/11 20Z,  -0.40,   1.48,  99.90,   0.94,  -0.14,  (min)
10/11 21Z,  -0.40,   4.12,  99.90,   3.58,  -0.14,
10/11 22Z,  -0.30,   9.35,  99.90,   8.91,  -0.14,
10/11 23Z,  -0.30,  15.09,  99.90,  14.65,  -0.14,
10/12 00Z,  -0.20,  19.91,  99.90,  19.57,  -0.14,
10/12 01Z,  -0.20,  22.85,  99.90,  22.51,  -0.14,
10/12 02Z,  -0.20,  23.09,  99.90,  22.76,  -0.14,  (max)
10/12 03Z,  -0.20,  20.58,  99.90,  20.24,  -0.14,
10/12 04Z,  -0.30,  16.07,  99.90,  15.63,  -0.14,
10/12 05Z,  -0.30,  10.70,  99.90,  10.26,  -0.14,
10/12 06Z,  -0.30,   5.36,  99.90,   4.92,  -0.14,
10/12 07Z,  -0.30,   0.70,  99.90,   0.26,  -0.14,
10/12 08Z,  -0.30,  -1.97,  99.90,  -2.41,  -0.14,  (min)
10/12 09Z,  -0.20,  -1.05,  99.90,  -1.39,  -0.14,
10/12 10Z,  -0.10,   3.32,  99.90,   3.08,  -0.14,
10/12 11Z,  -0.10,   9.25,  99.90,   9.01,  -0.14,
10/12 12Z,  -0.10,  14.97,  99.90,  14.73,  -0.14,
10/12 13Z,  -0.10,  19.41,  99.90,  19.17,  -0.14,
10/12 14Z,  -0.10,  21.59,  99.90,  21.36,  -0.14,  (max)
10/12 15Z,  -0.20,  21.00,  99.90,  20.66,  -0.14,
10/12 16Z,  -0.20,  18.01,  99.90,  17.67,  -0.14,
10/12 17Z,  -0.20,  13.70,  99.90,  13.36,  -0.14,
10/12 18Z,  -0.20,   9.22,  99.90,   8.88,  -0.14,
10/12 19Z,  99.90,   5.30,  99.90,  99.90,  -0.14,
10/12 20Z,  99.90,   2.84,  99.90,  99.90,  -0.14,
10/12 21Z,  99.90,   3.30,  99.90,  99.90,  -0.14,
10/12 22Z,  99.90,   7.11,  99.90,  99.90,  -0.14,
10/12 23Z,  99.90,  12.61,  99.90,  99.90,  -0.14,
10/13 00Z,  99.90,  17.74,  99.90,  99.90,  -0.14,