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 : 08/13/2026 01:22:43 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/11 06Z,  -0.40,  17.16,  16.67,  99.90,  -0.09,
08/11 07Z,  -0.30,  12.23,  11.87,  99.90,  -0.06,
08/11 08Z,  -0.30,   7.52,   7.70,  99.90,   0.48,
08/11 09Z,  -0.30,   6.00,   4.95,  99.90,  -0.75,  (min)
08/11 10Z,  -0.30,   9.64,   9.13,  99.90,  -0.21,
08/11 11Z,  -0.30,  16.03,  16.32,  99.90,   0.59,
08/11 12Z,  -0.30,  22.14,  22.32,  99.90,   0.48,
08/11 13Z,  -0.30,  26.97,  27.08,  99.90,   0.41,
08/11 14Z,  -0.20,  29.47,  30.01,  99.90,   0.74,  (max)
08/11 15Z,  -0.20,  28.74,  29.79,  99.90,   1.25,
08/11 16Z,  -0.20,  25.45,  26.05,  99.90,   0.80,
08/11 17Z,  -0.10,  20.72,  20.51,  99.90,  -0.11,
08/11 18Z,  -0.10,  15.27,  14.79,  99.90,  -0.38,
08/11 19Z,  -0.10,   9.29,   9.52,  99.90,   0.33,
08/11 20Z,  -0.10,   2.78,   4.67,  99.90,   1.99,
08/11 21Z,  -0.10,  -1.94,  -0.03,  99.90,   2.01,
08/11 22Z,  -0.10,  -1.27,  -3.53,  99.90,  -2.16,  (min)
08/11 23Z,  -0.10,   4.58,   3.73,  99.90,  -0.75,
08/12 00Z,  -0.10,  12.33,  13.18,  99.90,   0.95,
08/12 01Z,  -0.10,  19.97,  19.85,  99.90,  -0.02,
08/12 02Z,   0.00,  26.23,  25.13,  99.90,  -1.10,
08/12 03Z,   0.00,  29.36,  28.73,  99.90,  -0.63,
08/12 04Z,   0.00,  28.99,  29.55,  99.90,   0.56,  (max)
08/12 05Z,   0.00,  26.12,  26.65,  99.90,   0.53,
08/12 06Z,   0.00,  21.74,  21.28,  99.90,  -0.46,
08/12 07Z,   0.00,  16.56,  15.67,  99.90,  -0.89,
08/12 08Z,   0.00,  10.71,  10.51,  99.90,  -0.20,
08/12 09Z,   0.00,   5.45,   6.02,  99.90,   0.57,
08/12 10Z,   0.00,   4.36,   2.95,  99.90,  -1.41,  (min)
08/12 11Z,   0.00,   8.93,   8.95,  99.90,   0.02,
08/12 12Z,   0.00,  16.18,  16.84,  99.90,   0.66,
08/12 13Z,   0.00,  23.02,  23.21,  99.90,   0.19,
08/12 14Z,   0.00,  28.26,  28.15,  99.90,  -0.11,
08/12 15Z,   0.00,  30.62,  31.08,  99.90,   0.46,  (max)
08/12 16Z,   0.00,  29.47,  30.45,  99.90,   0.98,
08/12 17Z,   0.00,  25.78,  26.04,  99.90,   0.26,
08/12 18Z,  -0.10,  20.66,  20.18,  99.90,  -0.38,
08/12 19Z,  -0.10,  14.75,  14.21,  99.90,  -0.44,
08/12 20Z,  -0.20,   8.15,   8.85,  99.90,   0.90,
08/12 21Z,  -0.20,   1.27,   3.77,  99.90,   2.70,
08/12 22Z,  -0.20,  -2.85,  -1.10,  99.90,   1.95,
08/12 23Z,  -0.30,  -0.81,  -4.14,  99.90,  -3.03,  (min)
08/13 00Z,  -0.30,   6.27,   5.85,  99.90,  -0.12,
08/13 01Z,  -0.40,  14.74,  15.33,  99.90,   0.99,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/13 02Z,  -0.40,  22.58,  99.90,  23.10,   0.92,
08/13 03Z,  -0.40,  28.36,  99.90,  28.82,   0.86,
08/13 04Z,  -0.50,  30.59,  99.90,  30.87,   0.79,  (max)
08/13 05Z,  -0.50,  29.40,  99.90,  29.62,   0.72,
08/13 06Z,  -0.50,  25.90,  99.90,  26.05,   0.65,
08/13 07Z,  -0.60,  20.96,  99.90,  20.94,   0.58,
08/13 08Z,  -0.60,  15.12,  99.90,  15.03,   0.51,
08/13 09Z,  -0.60,   8.63,  99.90,   8.47,   0.44,
08/13 10Z,  -0.60,   3.44,  99.90,   3.21,   0.38,
08/13 11Z,  -0.70,   3.38,  99.90,   2.99,   0.31,  (min)
08/13 12Z,  -0.70,   9.17,  99.90,   8.71,   0.24,
08/13 13Z,  -0.70,  17.18,  99.90,  16.65,   0.17,
08/13 14Z,  -0.70,  24.35,  99.90,  23.81,   0.17,
08/13 15Z,  -0.70,  29.45,  99.90,  28.92,   0.17,
08/13 16Z,  -0.70,  31.22,  99.90,  30.69,   0.17,  (max)
08/13 17Z,  -0.70,  29.46,  99.90,  28.93,   0.17,
08/13 18Z,  -0.70,  25.33,  99.90,  24.80,   0.17,
08/13 19Z,  -0.70,  19.83,  99.90,  19.30,   0.17,
08/13 20Z,  -0.80,  13.54,  99.90,  12.91,   0.17,
08/13 21Z,  -0.80,   6.62,  99.90,   5.99,   0.17,
08/13 22Z,  -0.80,   0.01,  99.90,  -0.62,   0.17,
08/13 23Z,  -0.80,  -2.77,  99.90,  -3.40,   0.17,  (min)
08/14 00Z,  -0.80,   1.06,  99.90,   0.43,   0.17,
08/14 01Z,  -0.80,   9.27,  99.90,   8.64,   0.17,
08/14 02Z,  -0.80,  17.98,  99.90,  17.35,   0.17,
08/14 03Z,  -0.80,  25.35,  99.90,  24.72,   0.17,
08/14 04Z,  -0.80,  30.08,  99.90,  29.45,   0.17,
08/14 05Z,  -0.80,  31.10,  99.90,  30.47,   0.17,  (max)
08/14 06Z,  -0.80,  29.00,  99.90,  28.37,   0.17,
08/14 07Z,  -0.80,  24.83,  99.90,  24.20,   0.17,
08/14 08Z,  -0.80,  19.32,  99.90,  18.69,   0.17,
08/14 09Z,  -0.80,  12.98,  99.90,  12.35,   0.17,
08/14 10Z,  -0.80,   6.31,  99.90,   5.68,   0.17,
08/14 11Z,  -0.80,   1.87,  99.90,   1.24,   0.17,  (min)
08/14 12Z,  -0.80,   3.36,  99.90,   2.73,   0.17,
08/14 13Z,  -0.70,  10.38,  99.90,   9.85,   0.17,
08/14 14Z,  -0.70,  18.76,  99.90,  18.23,   0.17,
08/14 15Z,  -0.70,  25.72,  99.90,  25.19,   0.17,
08/14 16Z,  -0.60,  30.19,  99.90,  29.76,   0.17,
08/14 17Z,  -0.60,  31.12,  99.90,  30.69,   0.17,  (max)
08/14 18Z,  -0.60,  28.69,  99.90,  28.26,   0.17,
08/14 19Z,  -0.60,  24.11,  99.90,  23.68,   0.17,
08/14 20Z,  -0.60,  18.26,  99.90,  17.83,   0.17,
08/14 21Z,  -0.60,  11.77,  99.90,  11.34,   0.17,
08/14 22Z,  -0.60,   5.00,  99.90,   4.57,   0.17,
08/14 23Z,  -0.60,  -0.61,  99.90,  -1.04,   0.17,
08/15 00Z,  -0.50,  -1.42,  99.90,  -1.75,   0.17,  (min)
08/15 01Z,  -0.50,   4.29,  99.90,   3.95,   0.17,
08/15 02Z,  -0.50,  13.20,  99.90,  12.86,   0.17,
08/15 03Z,  -0.40,  21.50,  99.90,  21.27,   0.17,
08/15 04Z,  -0.40,  27.79,  99.90,  27.56,   0.17,
08/15 05Z,  -0.40,  31.08,  99.90,  30.85,   0.17,  (max)
08/15 06Z,  -0.40,  30.81,  99.90,  30.57,   0.17,
08/15 07Z,  -0.30,  27.77,  99.90,  27.64,   0.17,
08/15 08Z,  -0.30,  22.91,  99.90,  22.77,   0.17,
08/15 09Z,  -0.30,  16.92,  99.90,  16.79,   0.17,
08/15 10Z,  -0.30,  10.40,  99.90,  10.27,   0.17,
08/15 11Z,  -0.20,   4.17,  99.90,   4.14,   0.17,
08/15 12Z,  -0.20,   1.13,  99.90,   1.10,   0.17,  (min)
08/15 13Z,  -0.20,   4.38,  99.90,   4.35,   0.17,
08/15 14Z,  -0.10,  12.32,  99.90,  12.39,   0.17,
08/15 15Z,   0.00,  20.52,  99.90,  20.69,   0.17,
08/15 16Z,   0.00,  26.76,  99.90,  26.93,   0.17,
08/15 17Z,   0.00,  30.28,  99.90,  30.45,   0.17,
08/15 18Z,   0.00,  30.31,  99.90,  30.48,   0.17,  (max)
08/15 19Z,   0.00,  27.26,  99.90,  27.43,   0.17,
08/15 20Z,   0.00,  22.25,  99.90,  22.42,   0.17,
08/15 21Z,   0.00,  16.15,  99.90,  16.32,   0.17,
08/15 22Z,   0.00,   9.78,  99.90,   9.95,   0.17,
08/15 23Z,   0.00,   3.75,  99.90,   3.92,   0.17,
08/16 00Z,   0.00,  -0.20,  99.90,  -0.03,   0.17,  (min)
08/16 01Z,   0.00,   1.28,  99.90,   1.45,   0.17,
08/16 02Z,   0.00,   8.52,  99.90,   8.69,   0.17,
08/16 03Z,   0.00,  17.43,  99.90,  17.60,   0.17,
08/16 04Z,   0.00,  24.66,  99.90,  24.83,   0.17,
08/16 05Z,   0.00,  29.46,  99.90,  29.63,   0.17,
08/16 06Z,   0.10,  31.19,  99.90,  31.46,   0.17,  (max)
08/16 07Z,   0.10,  29.65,  99.90,  29.92,   0.17,
08/16 08Z,   0.10,  25.72,  99.90,  25.98,   0.17,
08/16 09Z,   0.10,  20.24,  99.90,  20.51,   0.17,
08/16 10Z,   0.10,  14.03,  99.90,  14.30,   0.17,
08/16 11Z,   0.10,   7.84,  99.90,   8.11,   0.17,
08/16 12Z,   0.10,   2.67,  99.90,   2.94,   0.17,
08/16 13Z,   0.10,   1.45,  99.90,   1.71,   0.17,  (min)
08/16 14Z,   0.20,   6.29,  99.90,   6.66,   0.17,
08/16 15Z,   0.20,  14.54,  99.90,  14.91,   0.17,
08/16 16Z,   0.20,  21.97,  99.90,  22.34,   0.17,
08/16 17Z,   0.20,  27.15,  99.90,  27.52,   0.17,
08/16 18Z,   0.20,  29.66,  99.90,  30.03,   0.17,