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 : 07/15/2025 22:21:31 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/14 06Z,   0.00,  28.38,  28.72,  99.90,   0.34,
07/14 07Z,   0.00,  27.84,  28.56,  99.90,   0.72,  (max)
07/14 08Z,   0.00,  25.07,  25.07,  99.90,  -0.00,
07/14 09Z,   0.00,  20.64,  19.94,  99.90,  -0.70,
07/14 10Z,   0.00,  15.20,  14.77,  99.90,  -0.43,
07/14 11Z,   0.00,   9.97,   9.84,  99.90,  -0.13,
07/14 12Z,   0.00,   6.02,   5.73,  99.90,  -0.29,
07/14 13Z,   0.00,   4.88,   3.93,  99.90,  -0.95,  (min)
07/14 14Z,   0.10,   8.78,  10.94,  99.90,   2.06,
07/14 15Z,   0.10,  16.73,  17.64,  99.90,   0.81,
07/14 16Z,   0.10,  24.03,  22.97,  99.90,  -1.16,
07/14 17Z,   0.10,  27.85,  26.97,  99.90,  -0.98,
07/14 18Z,   0.10,  28.72,  29.11,  99.90,   0.29,  (max)
07/14 19Z,   0.00,  27.12,  27.36,  99.90,   0.24,
07/14 20Z,   0.00,  23.28,  23.21,  99.90,  -0.07,
07/14 21Z,   0.00,  17.89,  17.96,  99.90,   0.07,
07/14 22Z,   0.00,  11.67,  12.51,  99.90,   0.84,
07/14 23Z,  -0.10,   5.75,   7.47,  99.90,   1.82,
07/15 00Z,  -0.10,   1.34,   2.81,  99.90,   1.57,
07/15 01Z,  -0.20,  -0.57,  -1.03,  99.90,  -0.26,  (min)
07/15 02Z,  -0.20,   1.97,   1.49,  99.90,  -0.28,
07/15 03Z,  -0.20,   9.64,  10.62,  99.90,   1.18,
07/15 04Z,  -0.30,  18.72,  17.68,  99.90,  -0.74,
07/15 05Z,  -0.30,  25.05,  23.26,  99.90,  -1.49,
07/15 06Z,  -0.30,  28.17,  27.19,  99.90,  -0.68,
07/15 07Z,  -0.30,  28.87,  29.23,  99.90,   0.66,  (max)
07/15 08Z,  -0.40,  27.16,  27.36,  99.90,   0.60,
07/15 09Z,  -0.40,  23.38,  23.07,  99.90,   0.09,
07/15 10Z,  -0.40,  18.15,  17.82,  99.90,   0.07,
07/15 11Z,  -0.40,  12.39,  12.61,  99.90,   0.62,
07/15 12Z,  -0.40,   7.51,   7.88,  99.90,   0.77,
07/15 13Z,  -0.40,   4.50,   4.03,  99.90,  -0.07,  (min)
07/15 14Z,  -0.40,   4.81,   4.04,  99.90,  -0.37,
07/15 15Z,  -0.40,  10.08,  11.79,  99.90,   2.11,
07/15 16Z,  -0.40,  18.39,  18.29,  99.90,   0.30,
07/15 17Z,  -0.40,  25.01,  23.35,  99.90,  -1.26,
07/15 18Z,  -0.40,  28.03,  26.82,  99.90,  -0.81,
07/15 19Z,  -0.50,  28.32,  28.15,  99.90,   0.33,  (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,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/15 23Z,  -0.50,   9.69,  99.90,   9.59,   0.40,
07/16 00Z,  -0.60,   4.26,  99.90,   4.05,   0.39,
07/16 01Z,  -0.60,   0.95,  99.90,   0.73,   0.38,
07/16 02Z,  -0.60,   0.59,  99.90,   0.36,   0.37,  (min)
07/16 03Z,  -0.60,   4.78,  99.90,   4.55,   0.36,
07/16 04Z,  -0.60,  13.28,  99.90,  13.03,   0.35,
07/16 05Z,  -0.60,  21.85,  99.90,  21.59,   0.35,
07/16 06Z,  -0.60,  27.03,  99.90,  26.77,   0.34,
07/16 07Z,  -0.60,  29.09,  99.90,  28.82,   0.33,  (max)
07/16 08Z,  -0.60,  28.80,  99.90,  28.51,   0.32,
07/16 09Z,  -0.70,  26.12,  99.90,  25.72,   0.31,
07/16 10Z,  -0.70,  21.51,  99.90,  21.11,   0.30,
07/16 11Z,  -0.70,  15.78,  99.90,  15.38,   0.30,
07/16 12Z,  -0.70,  10.11,  99.90,   9.71,   0.30,
07/16 13Z,  -0.70,   5.88,  99.90,   5.48,   0.30,
07/16 14Z,  -0.80,   3.79,  99.90,   3.29,   0.30,  (min)
07/16 15Z,  -0.80,   5.12,  99.90,   4.62,   0.30,
07/16 16Z,  -0.80,  11.05,  99.90,  10.55,   0.30,
07/16 17Z,  -0.80,  19.03,  99.90,  18.53,   0.30,
07/16 18Z,  -0.90,  24.79,  99.90,  24.19,   0.30,
07/16 19Z,  -0.90,  27.27,  99.90,  26.67,   0.30,
07/16 20Z,  -0.90,  27.36,  99.90,  26.76,   0.30,  (max)
07/16 21Z,  -1.00,  25.09,  99.90,  24.38,   0.30,
07/16 22Z,  -1.00,  20.57,  99.90,  19.87,   0.30,
07/16 23Z,  -1.00,  14.68,  99.90,  13.98,   0.30,
07/17 00Z,  -1.00,   8.65,  99.90,   7.95,   0.30,
07/17 01Z,  -1.00,   4.09,  99.90,   3.39,   0.30,
07/17 02Z,  -1.00,   1.91,  99.90,   1.21,   0.30,  (min)
07/17 03Z,  -1.00,   2.69,  99.90,   1.99,   0.30,
07/17 04Z,  -0.90,   7.78,  99.90,   7.18,   0.30,
07/17 05Z,  -0.90,  16.26,  99.90,  15.66,   0.30,
07/17 06Z,  -0.90,  23.86,  99.90,  23.26,   0.30,
07/17 07Z,  -0.80,  27.96,  99.90,  27.46,   0.30,
07/17 08Z,  -0.80,  29.27,  99.90,  28.77,   0.30,  (max)
07/17 09Z,  -0.70,  28.29,  99.90,  27.89,   0.30,
07/17 10Z,  -0.70,  24.94,  99.90,  24.54,   0.30,
07/17 11Z,  -0.60,  19.86,  99.90,  19.56,   0.30,
07/17 12Z,  -0.60,  14.03,  99.90,  13.73,   0.30,
07/17 13Z,  -0.50,   8.78,  99.90,   8.58,   0.30,
07/17 14Z,  -0.50,   5.21,  99.90,   5.00,   0.30,
07/17 15Z,  -0.40,   3.63,  99.90,   3.53,   0.30,  (min)
07/17 16Z,  -0.40,   5.32,  99.90,   5.22,   0.30,
07/17 17Z,  -0.30,  11.17,  99.90,  11.17,   0.30,
07/17 18Z,  -0.30,  18.43,  99.90,  18.43,   0.30,
07/17 19Z,  -0.30,  23.45,  99.90,  23.45,   0.30,
07/17 20Z,  -0.30,  25.82,  99.90,  25.82,   0.30,
07/17 21Z,  -0.40,  26.16,  99.90,  26.06,   0.30,  (max)
07/17 22Z,  -0.40,  24.10,  99.90,  24.00,   0.30,
07/17 23Z,  -0.50,  19.79,  99.90,  19.59,   0.30,
07/18 00Z,  -0.50,  14.25,  99.90,  14.05,   0.30,
07/18 01Z,  -0.50,   8.91,  99.90,   8.71,   0.30,
07/18 02Z,  -0.40,   5.28,  99.90,   5.18,   0.30,
07/18 03Z,  -0.40,   3.84,  99.90,   3.74,   0.30,  (min)
07/18 04Z,  -0.40,   5.06,  99.90,   4.96,   0.30,
07/18 05Z,  -0.30,  10.25,  99.90,  10.25,   0.30,
07/18 06Z,  -0.30,  18.12,  99.90,  18.12,   0.30,
07/18 07Z,  -0.30,  24.64,  99.90,  24.63,   0.30,
07/18 08Z,  -0.30,  27.97,  99.90,  27.97,   0.30,
07/18 09Z,  -0.30,  28.93,  99.90,  28.92,   0.30,  (max)
07/18 10Z,  -0.30,  27.63,  99.90,  27.63,   0.30,
07/18 11Z,  -0.30,  23.99,  99.90,  23.99,   0.30,
07/18 12Z,  -0.30,  18.82,  99.90,  18.82,   0.30,
07/18 13Z,  -0.30,  13.23,  99.90,  13.23,   0.30,
07/18 14Z,  -0.30,   8.48,  99.90,   8.48,   0.30,
07/18 15Z,  -0.20,   5.23,  99.90,   5.32,   0.30,
07/18 16Z,  -0.20,   3.55,  99.90,   3.65,   0.30,  (min)
07/18 17Z,  -0.20,   4.94,  99.90,   5.04,   0.30,
07/18 18Z,  -0.20,  10.26,  99.90,  10.35,   0.30,
07/18 19Z,  -0.20,  16.74,  99.90,  16.84,   0.30,
07/18 20Z,  -0.30,  21.41,  99.90,  21.41,   0.30,
07/18 21Z,  -0.30,  24.18,  99.90,  24.18,   0.30,
07/18 22Z,  -0.40,  25.16,  99.90,  25.06,   0.30,  (max)
07/18 23Z,  -0.40,  23.64,  99.90,  23.54,   0.30,
07/19 00Z,  -0.40,  19.85,  99.90,  19.75,   0.30,
07/19 01Z,  -0.30,  14.94,  99.90,  14.94,   0.30,
07/19 02Z,  -0.30,  10.38,  99.90,  10.38,   0.30,
07/19 03Z,  -0.30,   7.38,  99.90,   7.38,   0.30,
07/19 04Z,  -0.20,   6.04,  99.90,   6.14,   0.30,  (min)
07/19 05Z,  -0.20,   7.01,  99.90,   7.11,   0.30,
07/19 06Z,  -0.20,  11.73,  99.90,  11.83,   0.30,
07/19 07Z,  -0.20,  18.75,  99.90,  18.85,   0.30,
07/19 08Z,  -0.20,  24.39,  99.90,  24.49,   0.30,
07/19 09Z,  -0.30,  27.41,  99.90,  27.41,   0.30,
07/19 10Z,  -0.30,  28.43,  99.90,  28.42,   0.30,  (max)
07/19 11Z,  -0.30,  27.15,  99.90,  27.15,   0.30,
07/19 12Z,  -0.30,  23.55,  99.90,  23.55,   0.30,
07/19 13Z,  99.90,  18.57,  99.90,  99.90,   0.30,
07/19 14Z,  99.90,  13.34,  99.90,  99.90,   0.30,
07/19 15Z,  99.90,   8.91,  99.90,  99.90,   0.30,
07/19 16Z,  99.90,   5.46,  99.90,  99.90,   0.30,
07/19 17Z,  99.90,   3.12,  99.90,  99.90,   0.30,
07/19 18Z,  99.90,   3.84,  99.90,  99.90,   0.30,