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 : 10/08/2026 10:20:48 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/06 18Z,   0.30,  -6.68,  -7.10,  99.90,  -0.72,  (min)
10/06 19Z,   0.30,  -2.93,  -3.00,  99.90,  -0.37,
10/06 20Z,   0.30,   1.39,   1.00,  99.90,  -0.69,
10/06 21Z,   0.30,   5.42,   4.60,  99.90,  -1.12,
10/06 22Z,   0.30,   7.97,   7.03,  99.90,  -1.24,
10/06 23Z,   0.30,   8.39,   7.92,  99.90,  -0.77,  (max)
10/07 00Z,   0.30,   6.91,   6.79,  99.90,  -0.42,
10/07 01Z,   0.30,   4.24,   3.78,  99.90,  -0.76,
10/07 02Z,   0.30,   0.81,   0.28,  99.90,  -0.83,
10/07 03Z,   0.30,  -3.03,  -2.95,  99.90,  -0.22,
10/07 04Z,   0.20,  -6.04,  -5.67,  99.90,   0.17,
10/07 05Z,   0.20,  -6.72,  -7.03,  99.90,  -0.51,  (min)
10/07 06Z,   0.10,  -5.04,  -5.87,  99.90,  -0.93,
10/07 07Z,   0.10,  -2.06,  -2.32,  99.90,  -0.36,
10/07 08Z,   0.10,   1.56,   1.49,  99.90,  -0.17,
10/07 09Z,   0.10,   5.19,   4.83,  99.90,  -0.46,
10/07 10Z,   0.10,   7.74,   7.20,  99.90,  -0.64,
10/07 11Z,   0.10,   8.32,   7.81,  99.90,  -0.61,  (max)
10/07 12Z,   0.10,   6.83,   6.38,  99.90,  -0.55,
10/07 13Z,   0.00,   3.85,   2.99,  99.90,  -0.86,
10/07 14Z,   0.00,  -0.05,  -1.04,  99.90,  -0.99,
10/07 15Z,   0.00,  -4.56,  -4.88,  99.90,  -0.32,
10/07 16Z,   0.00,  -8.74,  -8.48,  99.90,   0.26,
10/07 17Z,   0.00, -10.80, -10.95,  99.90,  -0.15,  (min)
10/07 18Z,   0.00,  -9.79, -10.82,  99.90,  -1.03,
10/07 19Z,  -0.10,  -6.48,  -6.96,  99.90,  -0.38,
10/07 20Z,  -0.10,  -1.92,  -1.89,  99.90,   0.13,
10/07 21Z,  -0.10,   3.11,   2.63,  99.90,  -0.38,
10/07 22Z,  -0.10,   7.41,   6.43,  99.90,  -0.88,
10/07 23Z,  -0.10,   9.71,   8.66,  99.90,  -0.95,
10/08 00Z,  -0.10,   9.52,   8.79,  99.90,  -0.63,  (max)
10/08 01Z,  -0.20,   7.24,   6.53,  99.90,  -0.51,
10/08 02Z,  -0.20,   3.67,   2.44,  99.90,  -1.03,
10/08 03Z,  -0.20,  -0.72,  -1.68,  99.90,  -0.76,
10/08 04Z,  -0.20,  -5.34,  -5.48,  99.90,   0.06,
10/08 05Z,  -0.20,  -8.58,  -8.72,  99.90,   0.06,
10/08 06Z,  -0.30,  -8.90,  -9.95,  99.90,  -0.75,  (min)
10/08 07Z,  -0.30,  -6.49,  -7.51,  99.90,  -0.72,
10/08 08Z,  -0.30,  -2.53,  -2.56,  99.90,   0.27,
10/08 09Z,  -0.30,   2.11,   2.08,  99.90,   0.27,
10/08 10Z,  -0.30,   6.43,   5.96,  99.90,  -0.17,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/08 11Z,  -0.30,   9.15,  99.90,   8.68,  -0.17,
10/08 12Z,  -0.30,   9.41,  99.90,   8.96,  -0.16,  (max)
10/08 13Z,  -0.30,   7.36,  99.90,   6.92,  -0.15,
10/08 14Z,  -0.30,   3.75,  99.90,   3.31,  -0.14,
10/08 15Z,  -0.30,  -0.77,  99.90,  -1.19,  -0.13,
10/08 16Z,  -0.40,  -5.73,  99.90,  -6.25,  -0.12,
10/08 17Z,  -0.40,  -9.88,  99.90, -10.39,  -0.11,
10/08 18Z,  -0.40, -11.30,  99.90, -11.81,  -0.10,  (min)
10/08 19Z,  -0.40,  -9.35,  99.90,  -9.84,  -0.09,
10/08 20Z,  -0.40,  -5.09,  99.90,  -5.57,  -0.08,
10/08 21Z,  -0.40,   0.24,  99.90,  -0.23,  -0.07,
10/08 22Z,  -0.40,   5.60,  99.90,   5.13,  -0.07,
10/08 23Z,  -0.40,   9.59,  99.90,   9.13,  -0.07,
10/09 00Z,  -0.40,  11.07,  99.90,  10.61,  -0.07,  (max)
10/09 01Z,  -0.40,   9.82,  99.90,   9.35,  -0.07,
10/09 02Z,  -0.40,   6.51,  99.90,   6.04,  -0.07,
10/09 03Z,  -0.40,   2.02,  99.90,   1.56,  -0.07,
10/09 04Z,  -0.40,  -3.11,  99.90,  -3.58,  -0.07,
10/09 05Z,  -0.40,  -8.03,  99.90,  -8.50,  -0.07,
10/09 06Z,  -0.40, -10.90,  99.90, -11.37,  -0.07,  (min)
10/09 07Z,  -0.40, -10.32,  99.90, -10.79,  -0.07,
10/09 08Z,  -0.40,  -6.84,  99.90,  -7.30,  -0.07,
10/09 09Z,  -0.40,  -1.85,  99.90,  -2.32,  -0.07,
10/09 10Z,  -0.40,   3.50,  99.90,   3.04,  -0.07,
10/09 11Z,  -0.40,   8.00,  99.90,   7.54,  -0.07,
10/09 12Z,  -0.40,  10.31,  99.90,   9.84,  -0.07,  (max)
10/09 13Z,  -0.40,   9.83,  99.90,   9.37,  -0.07,
10/09 14Z,  -0.40,   7.01,  99.90,   6.55,  -0.07,
10/09 15Z,  -0.50,   2.78,  99.90,   2.21,  -0.07,
10/09 16Z,  -0.50,  -2.14,  99.90,  -2.70,  -0.07,
10/09 17Z,  -0.50,  -7.12,  99.90,  -7.69,  -0.07,
10/09 18Z,  -0.50, -10.67,  99.90, -11.24,  -0.07,
10/09 19Z,  -0.50, -10.94,  99.90, -11.51,  -0.07,  (min)
10/09 20Z,  -0.50,  -7.77,  99.90,  -8.33,  -0.07,
10/09 21Z,  -0.50,  -2.59,  99.90,  -3.16,  -0.07,
10/09 22Z,  -0.50,   3.15,  99.90,   2.58,  -0.07,
10/09 23Z,  -0.50,   8.25,  99.90,   7.68,  -0.07,
10/10 00Z,  -0.50,  11.34,  99.90,  10.77,  -0.07,
10/10 01Z,  -0.50,  11.55,  99.90,  10.99,  -0.07,  (max)
10/10 02Z,  -0.50,   9.06,  99.90,   8.49,  -0.07,
10/10 03Z,  -0.50,   4.75,  99.90,   4.18,  -0.07,
10/10 04Z,  -0.60,  -0.43,  99.90,  -1.10,  -0.07,
10/10 05Z,  -0.60,  -5.90,  99.90,  -6.56,  -0.07,
10/10 06Z,  -0.60, -10.56,  99.90, -11.23,  -0.07,
10/10 07Z,  -0.60, -12.49,  99.90, -13.16,  -0.07,  (min)
10/10 08Z,  -0.50, -10.64,  99.90, -11.20,  -0.07,
10/10 09Z,  -0.50,  -6.01,  99.90,  -6.58,  -0.07,
10/10 10Z,  -0.50,  -0.27,  99.90,  -0.84,  -0.07,
10/10 11Z,  -0.40,   5.31,  99.90,   4.84,  -0.07,
10/10 12Z,  -0.40,   9.40,  99.90,   8.93,  -0.07,
10/10 13Z,  -0.40,  10.85,  99.90,  10.39,  -0.07,  (max)
10/10 14Z,  -0.40,   9.44,  99.90,   8.97,  -0.07,
10/10 15Z,  -0.30,   5.87,  99.90,   5.50,  -0.07,
10/10 16Z,  -0.40,   1.22,  99.90,   0.76,  -0.07,
10/10 17Z,  -0.40,  -3.74,  99.90,  -4.21,  -0.07,
10/10 18Z,  -0.50,  -8.27,  99.90,  -8.83,  -0.07,
10/10 19Z,  -0.50, -10.71,  99.90, -11.28,  -0.07,  (min)
10/10 20Z,  -0.50,  -9.53,  99.90, -10.09,  -0.07,
10/10 21Z,  -0.50,  -5.15,  99.90,  -5.72,  -0.07,
10/10 22Z,  -0.50,   0.59,  99.90,   0.02,  -0.07,
10/10 23Z,  -0.50,   6.17,  99.90,   5.60,  -0.07,
10/11 00Z,  -0.40,  10.40,  99.90,   9.94,  -0.07,
10/11 01Z,  -0.40,  12.15,  99.90,  11.69,  -0.07,  (max)
10/11 02Z,  -0.50,  10.94,  99.90,  10.37,  -0.07,
10/11 03Z,  -0.50,   7.28,  99.90,   6.71,  -0.07,
10/11 04Z,  -0.50,   2.24,  99.90,   1.67,  -0.07,
10/11 05Z,  -0.50,  -3.24,  99.90,  -3.81,  -0.07,
10/11 06Z,  -0.60,  -8.55,  99.90,  -9.21,  -0.07,
10/11 07Z,  -0.60, -12.42,  99.90, -13.08,  -0.07,
10/11 08Z,  -0.50, -12.99,  99.90, -13.56,  -0.07,  (min)
10/11 09Z,  -0.50,  -9.77,  99.90, -10.34,  -0.07,
10/11 10Z,  -0.50,  -4.25,  99.90,  -4.82,  -0.07,
10/11 11Z,  -0.50,   1.76,  99.90,   1.19,  -0.07,
10/11 12Z,  -0.50,   6.99,  99.90,   6.43,  -0.07,
10/11 13Z,  -0.50,  10.24,  99.90,   9.67,  -0.07,
10/11 14Z,  -0.50,  10.64,  99.90,  10.07,  -0.07,  (max)
10/11 15Z,  -0.50,   8.32,  99.90,   7.75,  -0.07,
10/11 16Z,  -0.50,   4.22,  99.90,   3.65,  -0.07,
10/11 17Z,  -0.50,  -0.52,  99.90,  -1.08,  -0.07,
10/11 18Z,  -0.50,  -5.13,  99.90,  -5.70,  -0.07,
10/11 19Z,  -0.50,  -8.77,  99.90,  -9.33,  -0.07,
10/11 20Z,  -0.50,  -9.79,  99.90, -10.36,  -0.07,  (min)
10/11 21Z,  -0.40,  -7.15,  99.90,  -7.61,  -0.07,
10/11 22Z,  -0.40,  -1.92,  99.90,  -2.39,  -0.07,
10/11 23Z,  -0.30,   3.82,  99.90,   3.45,  -0.07,
10/12 00Z,  -0.20,   8.64,  99.90,   8.38,  -0.07,
10/12 01Z,  99.90,  11.58,  99.90,  99.90,  -0.07,
10/12 02Z,  99.90,  11.82,  99.90,  99.90,  -0.07,
10/12 03Z,  99.90,   9.31,  99.90,  99.90,  -0.07,
10/12 04Z,  99.90,   4.80,  99.90,  99.90,  -0.07,
10/12 05Z,  99.90,  -0.57,  99.90,  99.90,  -0.07,
10/12 06Z,  99.90,  -5.91,  99.90,  99.90,  -0.07,