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
#Seldovia, AK : 03/28/2025 15:22:26 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/27 00Z,  -0.50,  10.25,   9.77,  99.90,   0.02,
03/27 01Z,  -0.50,   5.98,   5.63,  99.90,   0.15,
03/27 02Z,  -0.60,   2.11,   1.80,  99.90,   0.29,
03/27 03Z,  -0.70,  -0.23,  -0.60,  99.90,   0.33,
03/27 04Z,  -0.80,  -0.40,  -0.63,  99.90,   0.57,  (min)
03/27 05Z,  -0.80,   1.53,   1.33,  99.90,   0.60,
03/27 06Z,  -0.60,   5.07,   4.83,  99.90,   0.36,
03/27 07Z,  -0.60,   9.50,   9.14,  99.90,   0.24,
03/27 08Z,  -0.50,  13.73,  13.31,  99.90,   0.08,
03/27 09Z,  -0.50,  16.71,  16.22,  99.90,   0.01,
03/27 10Z,  -0.50,  17.75,  17.40,  99.90,   0.15,  (max)
03/27 11Z,  -0.50,  16.66,  16.53,  99.90,   0.37,
03/27 12Z,  -0.30,  13.71,  13.64,  99.90,   0.23,
03/27 13Z,  -0.30,   9.59,   9.53,  99.90,   0.24,
03/27 14Z,  -0.30,   5.33,   5.32,  99.90,   0.29,
03/27 15Z,  -0.30,   2.24,   2.13,  99.90,   0.19,
03/27 16Z,  -0.30,   1.33,   1.12,  99.90,   0.09,  (min)
03/27 17Z,  -0.30,   2.79,   2.66,  99.90,   0.17,
03/27 18Z,  -0.30,   6.09,   6.02,  99.90,   0.23,
03/27 19Z,  -0.30,  10.42,  10.19,  99.90,   0.07,
03/27 20Z,  -0.20,  14.69,  14.38,  99.90,  -0.11,
03/27 21Z,  -0.10,  17.74,  17.48,  99.90,  -0.16,
03/27 22Z,   0.00,  18.76,  18.55,  99.90,  -0.21,  (max)
03/27 23Z,   0.10,  17.48,  17.25,  99.90,  -0.33,
03/28 00Z,   0.10,  14.14,  13.88,  99.90,  -0.36,
03/28 01Z,   0.00,   9.42,   9.18,  99.90,  -0.24,
03/28 02Z,   0.00,   4.31,   4.13,  99.90,  -0.18,
03/28 03Z,   0.00,   0.15,  -0.14,  99.90,  -0.29,
03/28 04Z,   0.00,  -1.80,  -2.19,  99.90,  -0.39,  (min)
03/28 05Z,   0.10,  -1.01,  -1.24,  99.90,  -0.33,
03/28 06Z,  -0.10,   2.17,   1.98,  99.90,  -0.09,
03/28 07Z,  -0.10,   6.92,   6.67,  99.90,  -0.15,
03/28 08Z,  -0.10,  12.18,  11.97,  99.90,  -0.11,
03/28 09Z,   0.00,  16.64,  16.54,  99.90,  -0.10,
03/28 10Z,   0.00,  19.20,  19.20,  99.90,  -0.00,
03/28 11Z,   0.10,  19.29,  19.37,  99.90,  -0.02,  (max)
03/28 12Z,   0.20,  16.88,  16.96,  99.90,  -0.12,
03/28 13Z,   0.30,  12.51,  12.50,  99.90,  -0.31,
03/28 14Z,   0.30,   7.19,   7.24,  99.90,  -0.25,
03/28 15Z,   0.30,   2.27,   2.29,  99.90,  -0.28,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/28 16Z,   0.20,  -0.75,  99.90,  -0.80,  -0.25,
03/28 17Z,   0.10,  -0.90,  99.90,  -1.03,  -0.23,  (min)
03/28 18Z,   0.00,   1.69,  99.90,   1.49,  -0.20,
03/28 19Z,  -0.10,   6.21,  99.90,   5.94,  -0.17,
03/28 20Z,  -0.20,  11.55,  99.90,  11.20,  -0.14,
03/28 21Z,  -0.20,  16.37,  99.90,  16.06,  -0.12,
03/28 22Z,  -0.30,  19.44,  99.90,  19.05,  -0.09,
03/28 23Z,  -0.20,  20.00,  99.90,  19.73,  -0.06,  (max)
03/29 00Z,  -0.10,  17.90,  99.90,  17.76,  -0.04,
03/29 01Z,   0.00,  13.58,  99.90,  13.57,  -0.01,
03/29 02Z,   0.00,   8.00,  99.90,   8.02,   0.02,
03/29 03Z,   0.00,   2.48,  99.90,   2.52,   0.04,
03/29 04Z,   0.00,  -1.44,  99.90,  -1.40,   0.04,
03/29 05Z,   0.00,  -2.51,  99.90,  -2.46,   0.04,  (min)
03/29 06Z,   0.00,  -0.47,  99.90,  -0.42,   0.04,
03/29 07Z,   0.00,   3.95,  99.90,   3.99,   0.04,
03/29 08Z,   0.00,   9.62,  99.90,   9.66,   0.04,
03/29 09Z,   0.00,  15.22,  99.90,  15.26,   0.04,
03/29 10Z,   0.00,  19.37,  99.90,  19.41,   0.04,
03/29 11Z,   0.00,  21.06,  99.90,  21.10,   0.04,  (max)
03/29 12Z,   0.00,  19.88,  99.90,  19.92,   0.04,
03/29 13Z,   0.00,  16.06,  99.90,  16.10,   0.04,
03/29 14Z,  -0.10,  10.43,  99.90,  10.37,   0.04,
03/29 15Z,  -0.20,   4.30,  99.90,   4.14,   0.04,
03/29 16Z,  -0.30,  -0.75,  99.90,  -1.00,   0.04,
03/29 17Z,  -0.40,  -3.17,  99.90,  -3.52,   0.04,  (min)
03/29 18Z,  -0.40,  -2.26,  99.90,  -2.62,   0.04,
03/29 19Z,  -0.40,   1.51,  99.90,   1.15,   0.04,
03/29 20Z,  -0.30,   7.02,  99.90,   6.77,   0.04,
03/29 21Z,  -0.20,  12.95,  99.90,  12.80,   0.04,
03/29 22Z,  -0.10,  17.87,  99.90,  17.81,   0.04,
03/29 23Z,   0.00,  20.57,  99.90,  20.61,   0.04,  (max)
03/30 00Z,   0.10,  20.42,  99.90,  20.56,   0.04,
03/30 01Z,   0.10,  17.45,  99.90,  17.60,   0.04,
03/30 02Z,   0.00,  12.36,  99.90,  12.40,   0.04,
03/30 03Z,   0.00,   6.35,  99.90,   6.39,   0.04,
03/30 04Z,   0.00,   0.96,  99.90,   1.00,   0.04,
03/30 05Z,   0.00,  -2.19,  99.90,  -2.15,   0.04,  (min)
03/30 06Z,   0.00,  -2.06,  99.90,  -2.01,   0.04,
03/30 07Z,   0.00,   1.21,  99.90,   1.26,   0.04,
03/30 08Z,   0.10,   6.56,  99.90,   6.70,   0.04,
03/30 09Z,   0.10,  12.63,  99.90,  12.77,   0.04,
03/30 10Z,   0.00,  18.01,  99.90,  18.05,   0.04,
03/30 11Z,   0.00,  21.37,  99.90,  21.42,   0.04,
03/30 12Z,  -0.10,  21.88,  99.90,  21.82,   0.04,  (max)
03/30 13Z,  -0.20,  19.37,  99.90,  19.21,   0.04,
03/30 14Z,  -0.40,  14.33,  99.90,  13.97,   0.04,
03/30 15Z,  -0.50,   7.87,  99.90,   7.42,   0.04,
03/30 16Z,  -0.50,   1.51,  99.90,   1.05,   0.04,
03/30 17Z,  -0.50,  -3.08,  99.90,  -3.54,   0.04,
03/30 18Z,  -0.50,  -4.53,  99.90,  -4.99,   0.04,  (min)
03/30 19Z,  -0.30,  -2.51,  99.90,  -2.76,   0.04,
03/30 20Z,  -0.30,   2.18,  99.90,   1.92,   0.04,
03/30 21Z,  -0.20,   8.23,  99.90,   8.07,   0.04,
03/30 22Z,  -0.20,  14.23,  99.90,  14.07,   0.04,
03/30 23Z,  -0.20,  18.79,  99.90,  18.63,   0.04,
03/31 00Z,  -0.20,  20.83,  99.90,  20.67,   0.04,  (max)
03/31 01Z,  -0.30,  19.91,  99.90,  19.65,   0.04,
03/31 02Z,  -0.50,  16.26,  99.90,  15.80,   0.04,
03/31 03Z,  -0.50,  10.80,  99.90,  10.34,   0.04,
03/31 04Z,  -0.60,   4.90,  99.90,   4.34,   0.04,
03/31 05Z,  -0.50,   0.19,  99.90,  -0.27,   0.04,
03/31 06Z,  -0.40,  -1.84,  99.90,  -2.19,   0.04,  (min)
03/31 07Z,  -0.20,  -0.48,  99.90,  -0.64,   0.04,
03/31 08Z,   0.00,   3.71,  99.90,   3.75,   0.04,
03/31 09Z,   0.00,   9.44,  99.90,   9.48,   0.04,
03/31 10Z,   0.00,  15.33,  99.90,  15.37,   0.04,
03/31 11Z,   0.00,  19.98,  99.90,  20.02,   0.04,
03/31 12Z,   0.00,  22.24,  99.90,  22.29,   0.04,  (max)
03/31 13Z,   0.00,  21.51,  99.90,  21.56,   0.04,
03/31 14Z,  -0.10,  17.88,  99.90,  17.82,   0.04,
03/31 15Z,  -0.10,  12.08,  99.90,  12.02,   0.04,
03/31 16Z,  -0.20,   5.42,  99.90,   5.26,   0.04,
03/31 17Z,  -0.20,  -0.55,  99.90,  -0.71,   0.04,
03/31 18Z,  -0.20,  -4.26,  99.90,  -4.42,   0.04,
03/31 19Z,  -0.20,  -4.63,  99.90,  -4.79,   0.04,  (min)
03/31 20Z,  -0.20,  -1.72,  99.90,  -1.88,   0.04,
03/31 21Z,  -0.10,   3.41,  99.90,   3.35,   0.04,
03/31 22Z,   0.00,   9.42,  99.90,   9.47,   0.04,
03/31 23Z,   0.00,  15.00,  99.90,  15.04,   0.04,
04/01 00Z,   0.00,  18.87,  99.90,  18.91,   0.04,
04/01 01Z,  -0.10,  20.14,  99.90,  20.08,   0.04,  (max)
04/01 02Z,  -0.20,  18.59,  99.90,  18.43,   0.04,
04/01 03Z,  -0.30,  14.63,  99.90,  14.37,   0.04,
04/01 04Z,  -0.50,   9.31,  99.90,   8.86,   0.04,
04/01 05Z,  -0.50,   4.07,  99.90,   3.62,   0.04,
04/01 06Z,  -0.40,   0.42,  99.90,   0.06,   0.04,
04/01 07Z,  99.90,  -0.42,  99.90,  99.90,   0.04,
04/01 08Z,  99.90,   1.87,  99.90,  99.90,   0.04,
04/01 09Z,  99.90,   6.45,  99.90,  99.90,   0.04,
04/01 10Z,  99.90,  11.99,  99.90,  99.90,   0.04,
04/01 11Z,  99.90,  17.16,  99.90,  99.90,   0.04,
04/01 12Z,  99.90,  20.77,  99.90,  99.90,   0.04,