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 : 07/13/2025 09:20:51 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/11 18Z,   0.00,  22.69,  23.63,  99.90,   0.94,
07/11 19Z,   0.00,  18.08,  18.16,  99.90,   0.08,
07/11 20Z,   0.00,  12.87,  12.86,  99.90,  -0.01,
07/11 21Z,   0.00,   7.59,   7.87,  99.90,   0.28,
07/11 22Z,   0.00,   2.51,   3.29,  99.90,   0.78,
07/11 23Z,   0.00,  -0.74,  -0.61,  99.90,   0.13,  (min)
07/12 00Z,   0.10,   0.94,   0.38,  99.90,  -0.66,
07/12 01Z,   0.10,   7.48,   9.33,  99.90,   1.75,
07/12 02Z,   0.20,  15.09,  16.58,  99.90,   1.29,
07/12 03Z,   0.20,  21.29,  22.33,  99.90,   0.84,
07/12 04Z,   0.20,  25.77,  26.54,  99.90,   0.57,
07/12 05Z,   0.20,  27.88,  29.08,  99.90,   1.00,  (max)
07/12 06Z,   0.30,  27.26,  28.17,  99.90,   0.61,
07/12 07Z,   0.30,  24.52,  24.47,  99.90,  -0.35,
07/12 08Z,   0.30,  20.29,  19.37,  99.90,  -1.22,
07/12 09Z,   0.40,  15.43,  14.40,  99.90,  -1.43,
07/12 10Z,   0.40,  10.64,   9.80,  99.90,  -1.24,
07/12 11Z,   0.40,   6.99,   6.31,  99.90,  -1.08,  (min)
07/12 12Z,   0.30,   7.17,   7.64,  99.90,   0.17,
07/12 13Z,   0.30,  12.51,  14.82,  99.90,   2.01,
07/12 14Z,   0.30,  19.70,  20.85,  99.90,   0.85,
07/12 15Z,   0.30,  24.93,  25.79,  99.90,   0.56,
07/12 16Z,   0.30,  27.53,  29.11,  99.90,   1.28,
07/12 17Z,   0.30,  27.71,  29.98,  99.90,   1.97,  (max)
07/12 18Z,   0.20,  25.42,  26.95,  99.90,   1.33,
07/12 19Z,   0.20,  21.35,  22.08,  99.90,   0.53,
07/12 20Z,   0.10,  16.22,  16.54,  99.90,   0.22,
07/12 21Z,   0.10,  10.60,  11.24,  99.90,   0.54,
07/12 22Z,   0.10,   5.21,   6.34,  99.90,   1.03,
07/12 23Z,   0.00,   0.69,   1.75,  99.90,   1.06,
07/13 00Z,   0.10,  -0.90,  -1.68,  99.90,  -0.88,  (min)
07/13 01Z,   0.00,   3.01,   3.47,  99.90,   0.46,
07/13 02Z,   0.00,  11.00,  12.07,  99.90,   1.07,
07/13 03Z,   0.00,  18.70,  18.82,  99.90,   0.12,
07/13 04Z,   0.00,  24.09,  24.06,  99.90,  -0.03,
07/13 05Z,   0.10,  27.32,  27.68,  99.90,   0.26,
07/13 06Z,   0.10,  28.07,  29.15,  99.90,   0.98,  (max)
07/13 07Z,   0.10,  26.38,  26.70,  99.90,   0.22,
07/13 08Z,   0.10,  22.82,  22.18,  99.90,  -0.74,
07/13 09Z,   0.10,  17.97,  16.92,  99.90,  -1.15,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/13 10Z,   0.10,  12.79,  99.90,  11.86,  -1.03,
07/13 11Z,   0.10,   8.20,  99.90,   7.40,  -0.90,
07/13 12Z,   0.10,   5.63,  99.90,   4.95,  -0.78,  (min)
07/13 13Z,   0.10,   7.69,  99.90,   7.13,  -0.66,
07/13 14Z,   0.10,  14.59,  99.90,  14.15,  -0.54,
07/13 15Z,   0.10,  22.10,  99.90,  21.79,  -0.42,
07/13 16Z,   0.10,  26.74,  99.90,  26.55,  -0.29,
07/13 17Z,   0.10,  28.43,  99.90,  28.36,  -0.17,  (max)
07/13 18Z,   0.10,  27.63,  99.90,  27.68,  -0.05,
07/13 19Z,   0.10,  24.49,  99.90,  24.66,   0.07,
07/13 20Z,   0.10,  19.74,  99.90,  20.03,   0.19,
07/13 21Z,   0.00,  14.01,  99.90,  14.32,   0.32,
07/13 22Z,   0.00,   8.07,  99.90,   8.39,   0.32,
07/13 23Z,   0.00,   2.93,  99.90,   3.25,   0.32,
07/14 00Z,   0.00,  -0.49,  99.90,  -0.17,   0.32,  (min)
07/14 01Z,   0.00,  -0.02,  99.90,   0.29,   0.32,
07/14 02Z,   0.00,   6.02,  99.90,   6.34,   0.32,
07/14 03Z,   0.00,  14.92,  99.90,  15.24,   0.32,
07/14 04Z,   0.00,  22.16,  99.90,  22.48,   0.32,
07/14 05Z,   0.00,  26.46,  99.90,  26.78,   0.32,
07/14 06Z,   0.00,  28.38,  99.90,  28.69,   0.32,  (max)
07/14 07Z,   0.00,  27.84,  99.90,  28.16,   0.32,
07/14 08Z,   0.00,  25.07,  99.90,  25.39,   0.32,
07/14 09Z,   0.10,  20.64,  99.90,  21.05,   0.32,
07/14 10Z,   0.10,  15.20,  99.90,  15.61,   0.32,
07/14 11Z,   0.10,   9.97,  99.90,  10.39,   0.32,
07/14 12Z,   0.20,   6.02,  99.90,   6.53,   0.32,
07/14 13Z,   0.20,   4.88,  99.90,   5.40,   0.32,  (min)
07/14 14Z,   0.20,   8.78,  99.90,   9.30,   0.32,
07/14 15Z,   0.20,  16.73,  99.90,  17.25,   0.32,
07/14 16Z,   0.10,  24.03,  99.90,  24.44,   0.32,
07/14 17Z,   0.10,  27.85,  99.90,  28.27,   0.32,
07/14 18Z,   0.10,  28.72,  99.90,  29.13,   0.32,  (max)
07/14 19Z,   0.00,  27.12,  99.90,  27.44,   0.32,
07/14 20Z,   0.00,  23.28,  99.90,  23.59,   0.32,
07/14 21Z,   0.00,  17.89,  99.90,  18.20,   0.32,
07/14 22Z,   0.00,  11.67,  99.90,  11.98,   0.32,
07/14 23Z,  -0.10,   5.75,  99.90,   5.97,   0.32,
07/15 00Z,  -0.10,   1.34,  99.90,   1.55,   0.32,
07/15 01Z,  -0.20,  -0.57,  99.90,  -0.46,   0.32,  (min)
07/15 02Z,  -0.20,   1.97,  99.90,   2.09,   0.32,
07/15 03Z,  -0.20,   9.64,  99.90,   9.76,   0.32,
07/15 04Z,  -0.20,  18.72,  99.90,  18.84,   0.32,
07/15 05Z,  -0.20,  25.05,  99.90,  25.17,   0.32,
07/15 06Z,  -0.20,  28.17,  99.90,  28.29,   0.32,
07/15 07Z,  -0.30,  28.87,  99.90,  28.89,   0.32,  (max)
07/15 08Z,  -0.30,  27.16,  99.90,  27.18,   0.32,
07/15 09Z,  -0.30,  23.38,  99.90,  23.40,   0.32,
07/15 10Z,  -0.30,  18.15,  99.90,  18.16,   0.32,
07/15 11Z,  -0.30,  12.39,  99.90,  12.41,   0.32,
07/15 12Z,  -0.30,   7.51,  99.90,   7.53,   0.32,
07/15 13Z,  -0.30,   4.50,  99.90,   4.52,   0.32,  (min)
07/15 14Z,  -0.30,   4.81,  99.90,   4.82,   0.32,
07/15 15Z,  -0.30,  10.08,  99.90,  10.10,   0.32,
07/15 16Z,  -0.30,  18.39,  99.90,  18.40,   0.32,
07/15 17Z,  -0.30,  25.01,  99.90,  25.03,   0.32,
07/15 18Z,  -0.40,  28.03,  99.90,  27.95,   0.32,
07/15 19Z,  -0.40,  28.32,  99.90,  28.24,   0.32,  (max)
07/15 20Z,  -0.50,  26.21,  99.90,  26.02,   0.32,
07/15 21Z,  -0.50,  21.87,  99.90,  21.69,   0.32,
07/15 22Z,  -0.60,  16.05,  99.90,  15.77,   0.32,
07/15 23Z,  -0.60,   9.69,  99.90,   9.41,   0.32,
07/16 00Z,  -0.60,   4.26,  99.90,   3.98,   0.32,
07/16 01Z,  -0.70,   0.95,  99.90,   0.57,   0.32,
07/16 02Z,  -0.70,   0.59,  99.90,   0.20,   0.32,  (min)
07/16 03Z,  -0.70,   4.78,  99.90,   4.40,   0.32,
07/16 04Z,  -0.70,  13.28,  99.90,  12.89,   0.32,
07/16 05Z,  -0.70,  21.85,  99.90,  21.46,   0.32,
07/16 06Z,  -0.70,  27.03,  99.90,  26.65,   0.32,
07/16 07Z,  -0.70,  29.09,  99.90,  28.71,   0.32,  (max)
07/16 08Z,  -0.80,  28.80,  99.90,  28.31,   0.32,
07/16 09Z,  -0.80,  26.12,  99.90,  25.63,   0.32,
07/16 10Z,  -0.80,  21.51,  99.90,  21.03,   0.32,
07/16 11Z,  -0.80,  15.78,  99.90,  15.29,   0.32,
07/16 12Z,  -0.80,  10.11,  99.90,   9.63,   0.32,
07/16 13Z,  -0.90,   5.88,  99.90,   5.30,   0.32,
07/16 14Z,  -0.90,   3.79,  99.90,   3.21,   0.32,  (min)
07/16 15Z,  -0.90,   5.12,  99.90,   4.54,   0.32,
07/16 16Z,  -0.90,  11.05,  99.90,  10.46,   0.32,
07/16 17Z,  -0.90,  19.03,  99.90,  18.45,   0.32,
07/16 18Z,  -0.90,  24.79,  99.90,  24.21,   0.32,
07/16 19Z,  -0.90,  27.27,  99.90,  26.68,   0.32,
07/16 20Z,  -0.90,  27.36,  99.90,  26.78,   0.32,  (max)
07/16 21Z,  -0.90,  25.09,  99.90,  24.50,   0.32,
07/16 22Z,  -0.90,  20.57,  99.90,  19.99,   0.32,
07/16 23Z,  -0.90,  14.68,  99.90,  14.10,   0.32,
07/17 00Z,  -0.90,   8.65,  99.90,   8.07,   0.32,
07/17 01Z,  99.90,   4.09,  99.90,  99.90,   0.32,
07/17 02Z,  99.90,   1.91,  99.90,  99.90,   0.32,
07/17 03Z,  99.90,   2.69,  99.90,  99.90,   0.32,
07/17 04Z,  99.90,   7.78,  99.90,  99.90,   0.32,
07/17 05Z,  99.90,  16.26,  99.90,  99.90,   0.32,
07/17 06Z,  99.90,  23.86,  99.90,  99.90,   0.32,