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 : 11/11/2025 08:20:52 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
11/09 12Z,   0.60,  13.61,  13.38,  99.90,  -0.83,
11/09 13Z,   0.50,  16.87,  16.55,  99.90,  -0.82,
11/09 14Z,   0.40,  18.14,  17.84,  99.90,  -0.70,  (max)
11/09 15Z,   0.40,  17.25,  17.03,  99.90,  -0.62,
11/09 16Z,   0.50,  14.53,  14.31,  99.90,  -0.72,
11/09 17Z,   0.50,  10.81,  10.65,  99.90,  -0.66,
11/09 18Z,   0.70,   7.17,   7.04,  99.90,  -0.83,
11/09 19Z,   0.70,   4.75,   4.61,  99.90,  -0.84,
11/09 20Z,   0.80,   4.46,   4.47,  99.90,  -0.79,  (min)
11/09 21Z,   0.90,   6.40,   6.57,  99.90,  -0.73,
11/09 22Z,   1.00,   9.81,   9.84,  99.90,  -0.97,
11/09 23Z,   1.10,  13.69,  13.52,  99.90,  -1.27,
11/10 00Z,   1.20,  17.13,  16.88,  99.90,  -1.45,
11/10 01Z,   1.20,  19.30,  19.16,  99.90,  -1.34,
11/10 02Z,   1.10,  19.54,  19.42,  99.90,  -1.22,  (max)
11/10 03Z,   1.00,  17.68,  17.39,  99.90,  -1.29,
11/10 04Z,   1.00,  14.03,  13.91,  99.90,  -1.12,
11/10 05Z,   0.90,   9.31,   9.62,  99.90,  -0.59,
11/10 06Z,   0.90,   4.49,   4.93,  99.90,  -0.46,
11/10 07Z,   0.90,   0.61,   1.02,  99.90,  -0.49,
11/10 08Z,   0.90,  -1.38,  -0.76,  99.90,  -0.28,  (min)
11/10 09Z,   0.80,  -0.98,  -0.40,  99.90,  -0.22,
11/10 10Z,   0.80,   1.46,   1.72,  99.90,  -0.54,
11/10 11Z,   0.70,   5.13,   5.09,  99.90,  -0.74,
11/10 12Z,   0.60,   9.27,   9.28,  99.90,  -0.59,
11/10 13Z,   0.50,  13.11,  13.26,  99.90,  -0.35,
11/10 14Z,   0.40,  15.83,  15.87,  99.90,  -0.36,
11/10 15Z,   0.40,  16.87,  16.79,  99.90,  -0.48,  (max)
11/10 16Z,   0.40,  16.10,  16.06,  99.90,  -0.44,
11/10 17Z,   0.50,  13.84,  13.78,  99.90,  -0.56,
11/10 18Z,   0.30,  10.80,  10.77,  99.90,  -0.33,
11/10 19Z,   0.20,   7.85,   7.89,  99.90,  -0.16,
11/10 20Z,   0.20,   5.93,   5.96,  99.90,  -0.17,
11/10 21Z,   0.20,   5.76,   5.77,  99.90,  -0.19,  (min)
11/10 22Z,   0.30,   7.35,   7.43,  99.90,  -0.22,
11/10 23Z,   0.50,  10.03,  10.00,  99.90,  -0.53,
11/11 00Z,   0.30,  13.05,  12.79,  99.90,  -0.56,
11/11 01Z,   0.40,  15.76,  15.38,  99.90,  -0.78,
11/11 02Z,   0.40,  17.44,  17.10,  99.90,  -0.74,
11/11 03Z,   0.50,  17.56,  17.25,  99.90,  -0.81,  (max)
11/11 04Z,   0.50,  15.99,  15.60,  99.90,  -0.89,
11/11 05Z,   0.50,  13.00,  12.78,  99.90,  -0.72,
11/11 06Z,   0.40,   9.18,   9.31,  99.90,  -0.27,
11/11 07Z,   0.40,   5.30,   5.55,  99.90,  -0.15,
11/11 08Z,   0.40,   2.16,   2.44,  99.90,  -0.12,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
11/11 09Z,   0.50,   0.56,  99.90,   0.91,  -0.15,  (min)
11/11 10Z,   0.50,   0.86,  99.90,   1.18,  -0.18,
11/11 11Z,   0.50,   2.77,  99.90,   3.06,  -0.21,
11/11 12Z,   0.50,   5.69,  99.90,   5.95,  -0.24,
11/11 13Z,   0.40,   9.11,  99.90,   9.24,  -0.27,
11/11 14Z,   0.30,  12.38,  99.90,  12.39,  -0.30,
11/11 15Z,   0.20,  14.79,  99.90,  14.67,  -0.32,
11/11 16Z,   0.20,  15.85,  99.90,  15.69,  -0.35,  (max)
11/11 17Z,   0.20,  15.40,  99.90,  15.22,  -0.38,
11/11 18Z,   0.20,  13.70,  99.90,  13.49,  -0.41,
11/11 19Z,   0.20,  11.27,  99.90,  11.03,  -0.44,
11/11 20Z,   0.20,   8.78,  99.90,   8.51,  -0.47,
11/11 21Z,   0.20,   7.01,  99.90,   6.74,  -0.47,
11/11 22Z,   0.20,   6.60,  99.90,   6.33,  -0.47,  (min)
11/11 23Z,   0.20,   7.57,  99.90,   7.30,  -0.47,
11/12 00Z,   0.20,   9.44,  99.90,   9.17,  -0.47,
11/12 01Z,   0.20,  11.72,  99.90,  11.46,  -0.47,
11/12 02Z,   0.10,  13.93,  99.90,  13.57,  -0.47,
11/12 03Z,   0.00,  15.45,  99.90,  14.98,  -0.47,
11/12 04Z,  -0.10,  15.78,  99.90,  15.21,  -0.47,  (max)
11/12 05Z,  -0.10,  14.77,  99.90,  14.21,  -0.47,
11/12 06Z,   0.00,  12.59,  99.90,  12.13,  -0.47,
11/12 07Z,  -0.10,   9.66,  99.90,   9.10,  -0.47,
11/12 08Z,   0.00,   6.53,  99.90,   6.06,  -0.47,
11/12 09Z,   0.00,   3.84,  99.90,   3.37,  -0.47,
11/12 10Z,  -0.10,   2.30,  99.90,   1.74,  -0.47,
11/12 11Z,  -0.10,   2.29,  99.90,   1.73,  -0.47,  (min)
11/12 12Z,  -0.20,   3.61,  99.90,   2.94,  -0.47,
11/12 13Z,  -0.30,   5.89,  99.90,   5.13,  -0.47,
11/12 14Z,  -0.30,   8.80,  99.90,   8.04,  -0.47,
11/12 15Z,  -0.30,  11.78,  99.90,  11.01,  -0.47,
11/12 16Z,  -0.20,  14.13,  99.90,  13.46,  -0.47,
11/12 17Z,  -0.20,  15.37,  99.90,  14.70,  -0.47,
11/12 18Z,  -0.10,  15.30,  99.90,  14.74,  -0.47,  (max)
11/12 19Z,   0.00,  14.05,  99.90,  13.58,  -0.47,
11/12 20Z,   0.00,  11.96,  99.90,  11.50,  -0.47,
11/12 21Z,   0.00,   9.58,  99.90,   9.11,  -0.47,
11/12 22Z,   0.00,   7.62,  99.90,   7.16,  -0.47,
11/12 23Z,  -0.10,   6.73,  99.90,   6.17,  -0.47,  (min)
11/13 00Z,  -0.20,   7.02,  99.90,   6.35,  -0.47,
11/13 01Z,  -0.30,   8.20,  99.90,   7.44,  -0.47,
11/13 02Z,  -0.30,  10.02,  99.90,   9.25,  -0.47,
11/13 03Z,  -0.30,  12.07,  99.90,  11.30,  -0.47,
11/13 04Z,  -0.30,  13.74,  99.90,  12.98,  -0.47,
11/13 05Z,  -0.30,  14.53,  99.90,  13.76,  -0.47,  (max)
11/13 06Z,  -0.20,  14.18,  99.90,  13.52,  -0.47,
11/13 07Z,  -0.10,  12.75,  99.90,  12.18,  -0.47,
11/13 08Z,   0.00,  10.48,  99.90,  10.02,  -0.47,
11/13 09Z,   0.00,   7.78,  99.90,   7.32,  -0.47,
11/13 10Z,   0.00,   5.23,  99.90,   4.76,  -0.47,
11/13 11Z,   0.00,   3.56,  99.90,   3.10,  -0.47,
11/13 12Z,   0.00,   3.19,  99.90,   2.73,  -0.47,  (min)
11/13 13Z,   0.00,   4.05,  99.90,   3.59,  -0.47,
11/13 14Z,  -0.10,   5.97,  99.90,   5.40,  -0.47,
11/13 15Z,  -0.10,   8.69,  99.90,   8.12,  -0.47,
11/13 16Z,  -0.10,  11.63,  99.90,  11.06,  -0.47,
11/13 17Z,   0.00,  14.09,  99.90,  13.62,  -0.47,
11/13 18Z,   0.00,  15.53,  99.90,  15.06,  -0.47,
11/13 19Z,   0.00,  15.69,  99.90,  15.23,  -0.47,  (max)
11/13 20Z,   0.00,  14.60,  99.90,  14.14,  -0.47,
11/13 21Z,   0.10,  12.51,  99.90,  12.14,  -0.47,
11/13 22Z,   0.10,   9.89,  99.90,   9.52,  -0.47,
11/13 23Z,   0.10,   7.51,  99.90,   7.15,  -0.47,
11/14 00Z,   0.00,   6.09,  99.90,   5.62,  -0.47,
11/14 01Z,   0.00,   5.82,  99.90,   5.36,  -0.47,  (min)
11/14 02Z,  -0.10,   6.63,  99.90,   6.06,  -0.47,
11/14 03Z,  -0.10,   8.36,  99.90,   7.79,  -0.47,
11/14 04Z,  -0.20,  10.60,  99.90,   9.93,  -0.47,
11/14 05Z,  -0.10,  12.67,  99.90,  12.10,  -0.47,
11/14 06Z,   0.00,  13.98,  99.90,  13.52,  -0.47,
11/14 07Z,   0.10,  14.21,  99.90,  13.84,  -0.47,  (max)
11/14 08Z,   0.10,  13.27,  99.90,  12.90,  -0.47,
11/14 09Z,   0.20,  11.33,  99.90,  11.07,  -0.47,
11/14 10Z,   0.10,   8.73,  99.90,   8.36,  -0.47,
11/14 11Z,   0.10,   6.10,  99.90,   5.73,  -0.47,
11/14 12Z,   0.10,   4.24,  99.90,   3.87,  -0.47,
11/14 13Z,   0.10,   3.64,  99.90,   3.27,  -0.47,  (min)
11/14 14Z,   0.00,   4.32,  99.90,   3.86,  -0.47,
11/14 15Z,   0.00,   6.22,  99.90,   5.76,  -0.47,
11/14 16Z,   0.00,   9.05,  99.90,   8.58,  -0.47,
11/14 17Z,  -0.10,  12.13,  99.90,  11.56,  -0.47,
11/14 18Z,   0.00,  14.70,  99.90,  14.23,  -0.47,
11/14 19Z,   0.10,  16.18,  99.90,  15.82,  -0.47,
11/14 20Z,   0.30,  16.29,  99.90,  16.12,  -0.47,  (max)
11/14 21Z,   0.50,  15.00,  99.90,  15.03,  -0.47,
11/14 22Z,   0.50,  12.55,  99.90,  12.58,  -0.47,
11/14 23Z,   0.50,   9.46,  99.90,   9.49,  -0.47,
11/15 00Z,   0.30,   6.61,  99.90,   6.44,  -0.47,