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 : 07/17/2025 09:20:51 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/15 18Z,  -0.40,  28.03,  26.82,  99.90,  -0.81,
07/15 19Z,  -0.40,  28.32,  28.15,  99.90,   0.23,  (max)
07/15 20Z,  -0.50,  26.21,  25.67,  99.90,  -0.04,
07/15 21Z,  -0.50,  21.87,  21.20,  99.90,  -0.17,
07/15 22Z,  -0.50,  16.05,  15.96,  99.90,   0.41,
07/15 23Z,  -0.50,   9.69,  10.76,  99.90,   1.57,
07/16 00Z,  -0.60,   4.26,   5.98,  99.90,   2.32,
07/16 01Z,  -0.60,   0.95,   1.67,  99.90,   1.32,
07/16 02Z,  -0.60,   0.59,  -0.87,  99.90,  -0.86,  (min)
07/16 03Z,  -0.50,   4.78,   6.33,  99.90,   2.05,
07/16 04Z,  -0.50,  13.28,  14.05,  99.90,   1.27,
07/16 05Z,  -0.50,  21.85,  20.29,  99.90,  -1.06,
07/16 06Z,  -0.50,  27.03,  25.09,  99.90,  -1.44,
07/16 07Z,  -0.50,  29.09,  28.30,  99.90,  -0.29,
07/16 08Z,  -0.50,  28.80,  29.09,  99.90,   0.79,  (max)
07/16 09Z,  -0.50,  26.12,  26.14,  99.90,   0.52,
07/16 10Z,  -0.60,  21.51,  21.34,  99.90,   0.43,
07/16 11Z,  -0.60,  15.78,  16.12,  99.90,   0.94,
07/16 12Z,  -0.60,  10.11,  11.04,  99.90,   1.53,
07/16 13Z,  -0.60,   5.88,   6.57,  99.90,   1.29,
07/16 14Z,  -0.70,   3.79,   3.02,  99.90,  -0.07,  (min)
07/16 15Z,  -0.70,   5.12,   4.78,  99.90,   0.36,
07/16 16Z,  -0.70,  11.05,  12.21,  99.90,   1.86,
07/16 17Z,  -0.80,  19.03,  18.34,  99.90,   0.11,
07/16 18Z,  -0.70,  24.79,  23.13,  99.90,  -0.96,
07/16 19Z,  -0.80,  27.27,  26.18,  99.90,  -0.29,
07/16 20Z,  -0.80,  27.36,  27.01,  99.90,   0.45,  (max)
07/16 21Z,  -0.80,  25.09,  24.46,  99.90,   0.17,
07/16 22Z,  -0.80,  20.57,  20.10,  99.90,   0.33,
07/16 23Z,  -0.80,  14.68,  14.85,  99.90,   0.97,
07/17 00Z,  -0.80,   8.65,   9.99,  99.90,   2.14,
07/17 01Z,  -0.80,   4.09,   5.45,  99.90,   2.16,
07/17 02Z,  -0.70,   1.91,   1.66,  99.90,   0.45,  (min)
07/17 03Z,  -0.70,   2.69,   2.09,  99.90,   0.10,
07/17 04Z,  -0.70,   7.78,  10.08,  99.90,   3.00,
07/17 05Z,  -0.70,  16.26,  16.98,  99.90,   1.42,
07/17 06Z,  -0.70,  23.86,  22.48,  99.90,  -0.68,
07/17 07Z,  -0.60,  27.96,  26.64,  99.90,  -0.72,
07/17 08Z,  -0.60,  29.27,  29.21,  99.90,   0.54,  (max)
07/17 09Z,  -0.50,  28.29,  28.38,  99.90,   0.59,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/17 10Z,  -0.50,  24.94,  99.90,  25.01,   0.57,
07/17 11Z,  -0.40,  19.86,  99.90,  20.01,   0.55,
07/17 12Z,  -0.40,  14.03,  99.90,  14.15,   0.52,
07/17 13Z,  -0.40,   8.78,  99.90,   8.88,   0.50,
07/17 14Z,  -0.30,   5.21,  99.90,   5.38,   0.47,
07/17 15Z,  -0.30,   3.63,  99.90,   3.78,   0.45,  (min)
07/17 16Z,  -0.30,   5.32,  99.90,   5.44,   0.43,
07/17 17Z,  -0.30,  11.17,  99.90,  11.27,   0.40,
07/17 18Z,  -0.30,  18.43,  99.90,  18.51,   0.38,
07/17 19Z,  -0.30,  23.45,  99.90,  23.51,   0.35,
07/17 20Z,  -0.30,  25.82,  99.90,  25.85,   0.33,
07/17 21Z,  -0.30,  26.16,  99.90,  26.17,   0.31,  (max)
07/17 22Z,  -0.30,  24.10,  99.90,  24.11,   0.31,
07/17 23Z,  -0.30,  19.79,  99.90,  19.80,   0.31,
07/18 00Z,  -0.30,  14.25,  99.90,  14.26,   0.31,
07/18 01Z,  -0.20,   8.91,  99.90,   9.02,   0.31,
07/18 02Z,  -0.20,   5.28,  99.90,   5.39,   0.31,
07/18 03Z,  -0.20,   3.84,  99.90,   3.94,   0.31,  (min)
07/18 04Z,  -0.20,   5.06,  99.90,   5.17,   0.31,
07/18 05Z,  -0.10,  10.25,  99.90,  10.46,   0.31,
07/18 06Z,  -0.10,  18.12,  99.90,  18.33,   0.31,
07/18 07Z,  -0.10,  24.64,  99.90,  24.84,   0.31,
07/18 08Z,  -0.10,  27.97,  99.90,  28.18,   0.31,
07/18 09Z,  -0.10,  28.93,  99.90,  29.13,   0.31,  (max)
07/18 10Z,  -0.10,  27.63,  99.90,  27.83,   0.31,
07/18 11Z,   0.00,  23.99,  99.90,  24.29,   0.31,
07/18 12Z,  -0.10,  18.82,  99.90,  19.02,   0.31,
07/18 13Z,  -0.10,  13.23,  99.90,  13.43,   0.31,
07/18 14Z,  -0.10,   8.48,  99.90,   8.69,   0.31,
07/18 15Z,   0.00,   5.23,  99.90,   5.53,   0.31,
07/18 16Z,   0.00,   3.55,  99.90,   3.86,   0.31,  (min)
07/18 17Z,   0.00,   4.94,  99.90,   5.25,   0.31,
07/18 18Z,   0.00,  10.26,  99.90,  10.56,   0.31,
07/18 19Z,   0.00,  16.74,  99.90,  17.05,   0.31,
07/18 20Z,   0.00,  21.41,  99.90,  21.72,   0.31,
07/18 21Z,   0.00,  24.18,  99.90,  24.48,   0.31,
07/18 22Z,   0.00,  25.16,  99.90,  25.47,   0.31,  (max)
07/18 23Z,  -0.10,  23.64,  99.90,  23.84,   0.31,
07/19 00Z,  -0.10,  19.85,  99.90,  20.06,   0.31,
07/19 01Z,  -0.10,  14.94,  99.90,  15.15,   0.31,
07/19 02Z,   0.00,  10.38,  99.90,  10.68,   0.31,
07/19 03Z,   0.00,   7.38,  99.90,   7.68,   0.31,
07/19 04Z,   0.00,   6.04,  99.90,   6.35,   0.31,  (min)
07/19 05Z,   0.00,   7.01,  99.90,   7.31,   0.31,
07/19 06Z,   0.00,  11.73,  99.90,  12.04,   0.31,
07/19 07Z,   0.00,  18.75,  99.90,  19.06,   0.31,
07/19 08Z,   0.00,  24.39,  99.90,  24.70,   0.31,
07/19 09Z,  -0.10,  27.41,  99.90,  27.62,   0.31,
07/19 10Z,  -0.10,  28.43,  99.90,  28.63,   0.31,  (max)
07/19 11Z,  -0.10,  27.15,  99.90,  27.36,   0.31,
07/19 12Z,  -0.10,  23.55,  99.90,  23.76,   0.31,
07/19 13Z,  -0.10,  18.57,  99.90,  18.78,   0.31,
07/19 14Z,   0.00,  13.34,  99.90,  13.65,   0.31,
07/19 15Z,   0.00,   8.91,  99.90,   9.22,   0.31,
07/19 16Z,   0.00,   5.46,  99.90,   5.76,   0.31,
07/19 17Z,   0.00,   3.12,  99.90,   3.42,   0.31,  (min)
07/19 18Z,   0.00,   3.84,  99.90,   4.14,   0.31,
07/19 19Z,   0.00,   8.52,  99.90,   8.83,   0.31,
07/19 20Z,   0.00,  14.49,  99.90,  14.80,   0.31,
07/19 21Z,   0.00,  19.30,  99.90,  19.61,   0.31,
07/19 22Z,   0.00,  22.88,  99.90,  23.19,   0.31,
07/19 23Z,   0.00,  24.75,  99.90,  25.05,   0.31,  (max)
07/20 00Z,   0.00,  23.93,  99.90,  24.23,   0.31,
07/20 01Z,   0.00,  20.79,  99.90,  21.10,   0.31,
07/20 02Z,   0.00,  16.53,  99.90,  16.84,   0.31,
07/20 03Z,   0.00,  12.54,  99.90,  12.84,   0.31,
07/20 04Z,   0.00,   9.66,  99.90,   9.97,   0.31,
07/20 05Z,   0.00,   7.81,  99.90,   8.12,   0.31,  (min)
07/20 06Z,   0.00,   8.07,  99.90,   8.38,   0.31,
07/20 07Z,   0.00,  12.14,  99.90,  12.44,   0.31,
07/20 08Z,   0.00,  18.42,  99.90,  18.72,   0.31,
07/20 09Z,   0.00,  23.57,  99.90,  23.88,   0.31,
07/20 10Z,   0.00,  26.73,  99.90,  27.03,   0.31,
07/20 11Z,   0.00,  28.11,  99.90,  28.42,   0.31,  (max)
07/20 12Z,   0.00,  27.07,  99.90,  27.38,   0.31,
07/20 13Z,   0.00,  23.68,  99.90,  23.99,   0.31,
07/20 14Z,   0.00,  18.99,  99.90,  19.29,   0.31,
07/20 15Z,   0.00,  14.03,  99.90,  14.33,   0.31,
07/20 16Z,   0.00,   9.57,  99.90,   9.87,   0.31,
07/20 17Z,   0.00,   5.46,  99.90,   5.77,   0.31,
07/20 18Z,   0.00,   2.18,  99.90,   2.48,   0.31,  (min)
07/20 19Z,   0.00,   2.22,  99.90,   2.53,   0.31,
07/20 20Z,  -0.10,   6.50,  99.90,   6.70,   0.31,
07/20 21Z,  -0.10,  12.36,  99.90,  12.56,   0.31,
07/20 22Z,  -0.20,  17.73,  99.90,  17.84,   0.31,
07/20 23Z,  -0.20,  22.34,  99.90,  22.44,   0.31,
07/21 00Z,  -0.20,  25.08,  99.90,  25.19,   0.31,
07/21 01Z,  99.90,  24.90,  99.90,  99.90,   0.31,
07/21 02Z,  99.90,  22.30,  99.90,  99.90,   0.31,
07/21 03Z,  99.90,  18.49,  99.90,  99.90,   0.31,
07/21 04Z,  99.90,  14.71,  99.90,  99.90,   0.31,
07/21 05Z,  99.90,  11.47,  99.90,  99.90,   0.31,
07/21 06Z,  99.90,   8.74,  99.90,  99.90,   0.31,