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
#Anchorage, AK : 10/12/2026 02:22:36 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/10 06Z,  -0.50,  21.89,  19.89,  99.90,  -1.50,
10/10 07Z,  -0.50,  15.70,  13.95,  99.90,  -1.25,
10/10 08Z,  -0.50,   8.63,   8.65,  99.90,   0.52,
10/10 09Z,  -0.40,   2.05,   3.86,  99.90,   2.21,
10/10 10Z,  -0.40,  -0.20,  -0.26,  99.90,   0.34,  (min)
10/10 11Z,  -0.40,   3.65,   2.72,  99.90,  -0.53,
10/10 12Z,  -0.40,  10.97,  12.51,  99.90,   1.94,
10/10 13Z,  -0.40,  18.93,  20.03,  99.90,   1.50,
10/10 14Z,  -0.30,  26.03,  25.69,  99.90,  -0.04,
10/10 15Z,  -0.30,  30.27,  29.58,  99.90,  -0.39,
10/10 16Z,  -0.20,  30.51,  30.77,  99.90,   0.46,  (max)
10/10 17Z,  -0.20,  27.59,  27.94,  99.90,   0.55,
10/10 18Z,  -0.20,  22.86,  22.31,  99.90,  -0.35,
10/10 19Z,  -0.10,  17.35,  16.40,  99.90,  -0.85,
10/10 20Z,  -0.10,  11.37,  10.80,  99.90,  -0.47,
10/10 21Z,  -0.10,   5.32,   5.88,  99.90,   0.66,
10/10 22Z,  -0.10,   2.08,   1.59,  99.90,  -0.39,  (min)
10/10 23Z,  -0.10,   4.65,   2.88,  99.90,  -1.67,
10/11 00Z,  -0.10,  11.61,  12.85,  99.90,   1.34,
10/11 01Z,  -0.10,  19.45,  20.47,  99.90,   1.12,
10/11 02Z,  -0.10,  26.37,  26.39,  99.90,   0.12,
10/11 03Z,  -0.10,  30.95,  30.54,  99.90,  -0.31,
10/11 04Z,  -0.10,  31.79,  32.04,  99.90,   0.35,  (max)
10/11 05Z,  -0.10,  29.27,  29.20,  99.90,   0.03,
10/11 06Z,  -0.20,  24.69,  23.51,  99.90,  -0.98,
10/11 07Z,  -0.20,  19.05,  17.52,  99.90,  -1.33,
10/11 08Z,  -0.20,  12.84,  11.78,  99.90,  -0.86,
10/11 09Z,  -0.20,   6.06,   6.68,  99.90,   0.82,
10/11 10Z,  -0.30,   0.57,   1.93,  99.90,   1.66,
10/11 11Z,  -0.30,   0.20,  -1.67,  99.90,  -1.57,  (min)
10/11 12Z,  -0.30,   5.70,   5.85,  99.90,   0.45,
10/11 13Z,  -0.30,  13.75,  15.29,  99.90,   1.84,
10/11 14Z,  -0.30,  21.60,  22.18,  99.90,   0.88,
10/11 15Z,  -0.30,  27.81,  27.29,  99.90,  -0.22,
10/11 16Z,  -0.30,  30.65,  30.64,  99.90,   0.29,  (max)
10/11 17Z,  -0.30,  29.62,  30.54,  99.90,   1.22,
10/11 18Z,  -0.20,  25.94,  26.57,  99.90,   0.83,
10/11 19Z,  -0.20,  20.93,  20.76,  99.90,   0.03,
10/11 20Z,  -0.20,  15.54,  14.92,  99.90,  -0.42,
10/11 21Z,  -0.10,  10.02,   9.71,  99.90,  -0.21,
10/11 22Z,  -0.10,   5.08,   5.12,  99.90,   0.14,
10/11 23Z,  -0.10,   3.81,   1.90,  99.90,  -1.81,  (min)
10/12 00Z,  -0.10,   8.34,   8.81,  99.90,   0.57,
10/12 01Z,  -0.10,  16.11,  17.13,  99.90,   1.12,
10/12 02Z,  -0.10,  23.45,  23.68,  99.90,   0.33,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/12 03Z,   0.00,  28.93,  99.90,  29.24,   0.30,
10/12 04Z,   0.00,  31.49,  99.90,  31.77,   0.28,  (max)
10/12 05Z,   0.00,  30.41,  99.90,  30.67,   0.26,
10/12 06Z,   0.00,  26.62,  99.90,  26.86,   0.24,
10/12 07Z,   0.00,  21.44,  99.90,  21.66,   0.22,
10/12 08Z,   0.00,  15.73,  99.90,  15.93,   0.20,
10/12 09Z,  -0.10,   9.83,  99.90,   9.90,   0.18,
10/12 10Z,  -0.10,   3.85,  99.90,   3.90,   0.16,
10/12 11Z,  -0.10,   0.05,  99.90,   0.09,   0.13,  (min)
10/12 12Z,  -0.10,   1.87,  99.90,   1.88,   0.11,
10/12 13Z,  -0.10,   8.81,  99.90,   8.80,   0.09,
10/12 14Z,  -0.10,  17.01,  99.90,  16.98,   0.07,
10/12 15Z,  -0.10,  24.08,  99.90,  24.05,   0.07,
10/12 16Z,  -0.10,  28.91,  99.90,  28.88,   0.07,
10/12 17Z,  -0.10,  30.22,  99.90,  30.19,   0.07,  (max)
10/12 18Z,  -0.10,  28.08,  99.90,  28.05,   0.07,
10/12 19Z,  -0.10,  23.85,  99.90,  23.82,   0.07,
10/12 20Z,  -0.10,  18.73,  99.90,  18.70,   0.07,
10/12 21Z,  -0.10,  13.66,  99.90,  13.63,   0.07,
10/12 22Z,  -0.20,   8.90,  99.90,   8.77,   0.07,
10/12 23Z,  -0.20,   5.50,  99.90,   5.37,   0.07,  (min)
10/13 00Z,  -0.20,   6.44,  99.90,   6.31,   0.07,
10/13 01Z,  -0.20,  12.65,  99.90,  12.51,   0.07,
10/13 02Z,  -0.20,  20.54,  99.90,  20.41,   0.07,
10/13 03Z,  -0.10,  26.70,  99.90,  26.67,   0.07,
10/13 04Z,  -0.10,  30.28,  99.90,  30.25,   0.07,
10/13 05Z,  -0.10,  30.76,  99.90,  30.72,   0.07,  (max)
10/13 06Z,  -0.10,  28.04,  99.90,  28.01,   0.07,
10/13 07Z,  -0.10,  23.34,  99.90,  23.31,   0.07,
10/13 08Z,  -0.10,  17.85,  99.90,  17.82,   0.07,
10/13 09Z,  -0.10,  12.32,  99.90,  12.29,   0.07,
10/13 10Z,  -0.10,   7.03,  99.90,   7.00,   0.07,
10/13 11Z,  -0.10,   2.32,  99.90,   2.29,   0.07,
10/13 12Z,  -0.10,   0.62,  99.90,   0.59,   0.07,  (min)
10/13 13Z,  -0.10,   4.57,  99.90,   4.54,   0.07,
10/13 14Z,  -0.10,  12.41,  99.90,  12.38,   0.07,
10/13 15Z,  -0.10,  20.10,  99.90,  20.07,   0.07,
10/13 16Z,   0.00,  25.91,  99.90,  25.98,   0.07,
10/13 17Z,   0.00,  29.20,  99.90,  29.27,   0.07,  (max)
10/13 18Z,   0.00,  29.15,  99.90,  29.22,   0.07,
10/13 19Z,  -0.10,  26.19,  99.90,  26.16,   0.07,
10/13 20Z,  -0.10,  21.59,  99.90,  21.56,   0.07,
10/13 21Z,  -0.10,  16.51,  99.90,  16.48,   0.07,
10/13 22Z,  -0.10,  11.92,  99.90,  11.89,   0.07,
10/13 23Z,  -0.20,   8.21,  99.90,   8.08,   0.07,
10/14 00Z,  -0.20,   6.60,  99.90,   6.47,   0.07,  (min)
10/14 01Z,  -0.20,   9.66,  99.90,   9.53,   0.07,
10/14 02Z,  -0.20,  16.93,  99.90,  16.80,   0.07,
10/14 03Z,  -0.20,  24.19,  99.90,  24.06,   0.07,
10/14 04Z,  -0.20,  28.67,  99.90,  28.54,   0.07,
10/14 05Z,  -0.20,  30.29,  99.90,  30.16,   0.07,  (max)
10/14 06Z,  -0.20,  29.00,  99.90,  28.87,   0.07,
10/14 07Z,  -0.20,  25.12,  99.90,  24.99,   0.07,
10/14 08Z,  -0.20,  19.90,  99.90,  19.77,   0.07,
10/14 09Z,  -0.20,  14.34,  99.90,  14.21,   0.07,
10/14 10Z,  -0.20,   9.21,  99.90,   9.08,   0.07,
10/14 11Z,  -0.20,   4.85,  99.90,   4.72,   0.07,
10/14 12Z,  -0.20,   1.73,  99.90,   1.60,   0.07,  (min)
10/14 13Z,  -0.10,   2.21,  99.90,   2.18,   0.07,
10/14 14Z,  -0.10,   7.85,  99.90,   7.82,   0.07,
10/14 15Z,   0.00,  15.83,  99.90,  15.90,   0.07,
10/14 16Z,   0.00,  22.44,  99.90,  22.51,   0.07,
10/14 17Z,   0.00,  26.80,  99.90,  26.87,   0.07,
10/14 18Z,   0.00,  28.72,  99.90,  28.79,   0.07,  (max)
10/14 19Z,   0.00,  27.67,  99.90,  27.74,   0.07,
10/14 20Z,  -0.10,  24.17,  99.90,  24.14,   0.07,
10/14 21Z,  -0.10,  19.37,  99.90,  19.34,   0.07,
10/14 22Z,  -0.20,  14.47,  99.90,  14.34,   0.07,
10/14 23Z,  -0.20,  10.57,  99.90,  10.44,   0.07,
10/15 00Z,  -0.30,   8.11,  99.90,   7.88,   0.07,  (min)
10/15 01Z,  -0.30,   8.31,  99.90,   8.08,   0.07,
10/15 02Z,  -0.40,  13.00,  99.90,  12.67,   0.07,
10/15 03Z,  -0.40,  20.52,  99.90,  20.19,   0.07,
10/15 04Z,  -0.50,  26.49,  99.90,  26.06,   0.07,
10/15 05Z,  -0.60,  29.15,  99.90,  28.62,   0.07,  (max)
10/15 06Z,  -0.70,  29.13,  99.90,  28.50,   0.07,
10/15 07Z,  -0.70,  26.64,  99.90,  26.01,   0.07,
10/15 08Z,  -0.80,  22.14,  99.90,  21.41,   0.07,
10/15 09Z,  -0.90,  16.71,  99.90,  15.88,   0.07,
10/15 10Z,  -1.00,  11.31,  99.90,  10.38,   0.07,
10/15 11Z,  -1.00,   6.84,  99.90,   5.91,   0.07,
10/15 12Z,  -1.10,   3.64,  99.90,   2.61,   0.07,
10/15 13Z,  -1.20,   2.19,  99.90,   1.06,   0.07,  (min)
10/15 14Z,  -1.30,   4.51,  99.90,   3.28,   0.07,
10/15 15Z,  -1.30,  11.06,  99.90,   9.83,   0.07,
10/15 16Z,  -1.40,  18.43,  99.90,  17.10,   0.07,
10/15 17Z,  -1.40,  23.64,  99.90,  22.31,   0.07,
10/15 18Z,  -1.50,  26.70,  99.90,  25.27,   0.07,