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 : 08/12/2026 01:22:54 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/10 06Z,  -0.50,   8.05,   7.42,  99.90,  -0.13,  (min)
08/10 07Z,  -0.50,  10.96,  10.16,  99.90,  -0.30,
08/10 08Z,  -0.50,  14.32,  13.38,  99.90,  -0.44,
08/10 09Z,  -0.50,  17.39,  16.45,  99.90,  -0.44,
08/10 10Z,  -0.50,  19.63,  18.70,  99.90,  -0.43,
08/10 11Z,  -0.50,  20.29,  19.45,  99.90,  -0.34,  (max)
08/10 12Z,  -0.40,  18.92,  18.06,  99.90,  -0.46,
08/10 13Z,  -0.40,  15.85,  14.85,  99.90,  -0.60,
08/10 14Z,  -0.40,  11.82,  10.71,  99.90,  -0.71,
08/10 15Z,  -0.40,   7.41,   6.59,  99.90,  -0.42,
08/10 16Z,  -0.40,   2.89,   2.49,  99.90,   0.00,
08/10 17Z,  -0.50,  -0.75,  -1.09,  99.90,   0.16,
08/10 18Z,  -0.50,  -1.80,  -2.96,  99.90,  -0.66,  (min)
08/10 19Z,  -0.50,   0.30,  -1.38,  99.90,  -1.18,
08/10 20Z,  -0.50,   4.43,   3.39,  99.90,  -0.54,
08/10 21Z,  -0.50,   9.35,   8.45,  99.90,  -0.40,
08/10 22Z,  -0.50,  14.22,  12.93,  99.90,  -0.79,
08/10 23Z,  -0.50,  17.92,  16.59,  99.90,  -0.83,
08/11 00Z,  -0.50,  19.47,  18.58,  99.90,  -0.39,  (max)
08/11 01Z,  -0.50,  18.73,  18.44,  99.90,   0.21,
08/11 02Z,  -0.50,  16.36,  16.08,  99.90,   0.22,
08/11 03Z,  -0.50,  13.20,  12.47,  99.90,  -0.23,
08/11 04Z,  -0.50,   9.71,   9.02,  99.90,  -0.19,
08/11 05Z,  -0.40,   6.50,   6.17,  99.90,   0.07,
08/11 06Z,  -0.40,   5.06,   4.45,  99.90,  -0.21,  (min)
08/11 07Z,  -0.40,   6.51,   5.50,  99.90,  -0.61,
08/11 08Z,  -0.40,  10.08,   9.46,  99.90,  -0.22,
08/11 09Z,  -0.40,  14.27,  13.81,  99.90,  -0.06,
08/11 10Z,  -0.40,  18.15,  17.50,  99.90,  -0.25,
08/11 11Z,  -0.40,  20.88,  20.27,  99.90,  -0.21,
08/11 12Z,  -0.30,  21.57,  21.09,  99.90,  -0.18,  (max)
08/11 13Z,  -0.30,  19.88,  19.39,  99.90,  -0.19,
08/11 14Z,  -0.30,  16.26,  15.45,  99.90,  -0.51,
08/11 15Z,  -0.20,  11.57,  10.68,  99.90,  -0.69,
08/11 16Z,  -0.30,   6.40,   6.08,  99.90,  -0.02,
08/11 17Z,  -0.30,   1.24,   1.55,  99.90,   0.61,
08/11 18Z,  -0.30,  -2.50,  -2.23,  99.90,   0.57,
08/11 19Z,  -0.20,  -2.99,  -4.04,  99.90,  -0.85,  (min)
08/11 20Z,  -0.20,   0.03,  -1.51,  99.90,  -1.34,
08/11 21Z,  -0.20,   5.14,   4.49,  99.90,  -0.45,
08/11 22Z,  -0.20,  10.92,  10.10,  99.90,  -0.62,
08/11 23Z,  -0.20,  16.25,  14.97,  99.90,  -1.08,
08/12 00Z,  -0.10,  19.86,  18.67,  99.90,  -1.09,
08/12 01Z,  -0.10,  20.89,  20.26,  99.90,  -0.53,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/12 02Z,  -0.10,  19.41,  99.90,  18.79,  -0.52,
08/12 03Z,  -0.10,  16.22,  99.90,  15.61,  -0.51,
08/12 04Z,  -0.10,  12.21,  99.90,  11.61,  -0.50,
08/12 05Z,  -0.10,   7.92,  99.90,   7.33,  -0.49,
08/12 06Z,  -0.10,   4.30,  99.90,   3.72,  -0.48,
08/12 07Z,  -0.10,   3.14,  99.90,   2.57,  -0.47,  (min)
08/12 08Z,  -0.10,   5.36,  99.90,   4.80,  -0.46,
08/12 09Z,  -0.10,   9.84,  99.90,   9.29,  -0.45,
08/12 10Z,  -0.10,  14.86,  99.90,  14.32,  -0.44,
08/12 11Z,  -0.10,  19.30,  99.90,  18.77,  -0.43,
08/12 12Z,  -0.10,  22.14,  99.90,  21.63,  -0.42,
08/12 13Z,  -0.10,  22.51,  99.90,  22.00,  -0.41,  (max)
08/12 14Z,  -0.20,  20.23,  99.90,  19.63,  -0.41,
08/12 15Z,  -0.20,  15.96,  99.90,  15.35,  -0.41,
08/12 16Z,  -0.30,  10.61,  99.90,   9.90,  -0.41,
08/12 17Z,  -0.30,   4.86,  99.90,   4.15,  -0.41,
08/12 18Z,  -0.30,  -0.53,  99.90,  -1.24,  -0.41,
08/12 19Z,  -0.40,  -3.83,  99.90,  -4.63,  -0.41,  (min)
08/12 20Z,  -0.40,  -3.27,  99.90,  -4.08,  -0.41,
08/12 21Z,  -0.50,   0.92,  99.90,   0.01,  -0.41,
08/12 22Z,  -0.50,   6.95,  99.90,   6.05,  -0.41,
08/12 23Z,  -0.50,  13.24,  99.90,  12.34,  -0.41,
08/13 00Z,  -0.50,  18.54,  99.90,  17.63,  -0.41,
08/13 01Z,  -0.60,  21.59,  99.90,  20.59,  -0.41,
08/13 02Z,  -0.60,  21.75,  99.90,  20.75,  -0.41,  (max)
08/13 03Z,  -0.60,  19.33,  99.90,  18.33,  -0.41,
08/13 04Z,  -0.60,  15.27,  99.90,  14.26,  -0.41,
08/13 05Z,  -0.70,  10.49,  99.90,   9.38,  -0.41,
08/13 06Z,  -0.70,   5.68,  99.90,   4.57,  -0.41,
08/13 07Z,  -0.70,   2.12,  99.90,   1.01,  -0.41,
08/13 08Z,  -0.80,   1.69,  99.90,   0.49,  -0.41,  (min)
08/13 09Z,  -0.80,   4.94,  99.90,   3.73,  -0.41,
08/13 10Z,  -0.80,  10.29,  99.90,   9.09,  -0.41,
08/13 11Z,  -0.80,  15.87,  99.90,  14.67,  -0.41,
08/13 12Z,  -0.80,  20.46,  99.90,  19.26,  -0.41,
08/13 13Z,  -0.80,  23.02,  99.90,  21.81,  -0.41,  (max)
08/13 14Z,  -0.80,  22.78,  99.90,  21.58,  -0.41,
08/13 15Z,  -0.80,  19.82,  99.90,  18.61,  -0.41,
08/13 16Z,  -0.80,  14.92,  99.90,  13.71,  -0.41,
08/13 17Z,  -0.80,   9.09,  99.90,   7.89,  -0.41,
08/13 18Z,  -0.90,   3.12,  99.90,   1.82,  -0.41,
08/13 19Z,  -0.90,  -1.97,  99.90,  -3.27,  -0.41,
08/13 20Z,  -0.90,  -4.27,  99.90,  -5.58,  -0.41,  (min)
08/13 21Z,  -0.90,  -2.35,  99.90,  -3.66,  -0.41,
08/13 22Z,  -0.90,   2.97,  99.90,   1.66,  -0.41,
08/13 23Z,  -0.90,   9.59,  99.90,   8.28,  -0.41,
08/14 00Z,  -0.90,  15.88,  99.90,  14.57,  -0.41,
08/14 01Z,  -0.90,  20.62,  99.90,  19.31,  -0.41,
08/14 02Z,  -0.90,  22.73,  99.90,  21.42,  -0.41,  (max)
08/14 03Z,  -1.00,  21.84,  99.90,  20.43,  -0.41,
08/14 04Z,  -0.90,  18.45,  99.90,  17.15,  -0.41,
08/14 05Z,  -0.90,  13.63,  99.90,  12.33,  -0.41,
08/14 06Z,  -0.90,   8.35,  99.90,   7.05,  -0.41,
08/14 07Z,  -0.90,   3.45,  99.90,   2.14,  -0.41,
08/14 08Z,  -0.90,   0.43,  99.90,  -0.88,  -0.41,  (min)
08/14 09Z,  -0.80,   1.06,  99.90,  -0.15,  -0.41,
08/14 10Z,  -0.80,   5.33,  99.90,   4.12,  -0.41,
08/14 11Z,  -0.80,  11.26,  99.90,  10.05,  -0.41,
08/14 12Z,  -0.70,  16.95,  99.90,  15.85,  -0.41,
08/14 13Z,  -0.70,  21.25,  99.90,  20.15,  -0.41,
08/14 14Z,  -0.70,  23.21,  99.90,  22.11,  -0.41,  (max)
08/14 15Z,  -0.70,  22.26,  99.90,  21.15,  -0.41,
08/14 16Z,  -0.70,  18.65,  99.90,  17.55,  -0.41,
08/14 17Z,  -0.70,  13.31,  99.90,  12.21,  -0.41,
08/14 18Z,  -0.70,   7.35,  99.90,   6.24,  -0.41,
08/14 19Z,  -0.70,   1.64,  99.90,   0.53,  -0.41,
08/14 20Z,  -0.70,  -2.61,  99.90,  -3.72,  -0.41,
08/14 21Z,  -0.60,  -3.53,  99.90,  -4.54,  -0.41,  (min)
08/14 22Z,  -0.60,  -0.22,  99.90,  -1.23,  -0.41,
08/14 23Z,  -0.60,   5.89,  99.90,   4.88,  -0.41,
08/15 00Z,  -0.50,  12.55,  99.90,  11.64,  -0.41,
08/15 01Z,  -0.50,  18.29,  99.90,  17.38,  -0.41,
08/15 02Z,  -0.50,  22.07,  99.90,  21.16,  -0.41,
08/15 03Z,  -0.50,  23.05,  99.90,  22.14,  -0.41,  (max)
08/15 04Z,  -0.50,  21.09,  99.90,  20.19,  -0.41,
08/15 05Z,  -0.50,  16.89,  99.90,  15.99,  -0.41,
08/15 06Z,  -0.50,  11.59,  99.90,  10.69,  -0.41,
08/15 07Z,  -0.40,   6.21,  99.90,   5.40,  -0.41,
08/15 08Z,  -0.40,   1.68,  99.90,   0.88,  -0.41,
08/15 09Z,  -0.40,  -0.41,  99.90,  -1.22,  -0.41,  (min)
08/15 10Z,  -0.30,   1.35,  99.90,   0.64,  -0.41,
08/15 11Z,  -0.30,   6.35,  99.90,   5.65,  -0.41,
08/15 12Z,  -0.20,  12.39,  99.90,  11.78,  -0.41,
08/15 13Z,  -0.20,  17.72,  99.90,  17.11,  -0.41,
08/15 14Z,  -0.20,  21.40,  99.90,  20.79,  -0.41,
08/15 15Z,  -0.20,  22.62,  99.90,  22.02,  -0.41,  (max)
08/15 16Z,  -0.20,  21.00,  99.90,  20.39,  -0.41,
08/15 17Z,  -0.20,  16.93,  99.90,  16.33,  -0.41,
08/15 18Z,  -0.30,  11.48,  99.90,  10.78,  -0.41,