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 : 07/07/2025 17:21:32 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/06 00Z,   0.00,   7.59,   7.63,  99.90,   0.04,
07/06 01Z,  -0.10,   6.95,   6.96,  99.90,   0.11,  (min)
07/06 02Z,  -0.10,   7.30,   7.00,  99.90,  -0.20,
07/06 03Z,  -0.10,   8.49,   8.15,  99.90,  -0.24,
07/06 04Z,  -0.20,  10.25,  10.02,  99.90,  -0.03,
07/06 05Z,  -0.20,  12.26,  11.96,  99.90,  -0.10,
07/06 06Z,   0.00,  13.97,  13.66,  99.90,  -0.31,
07/06 07Z,   0.00,  14.84,  14.73,  99.90,  -0.11,  (max)
07/06 08Z,   0.00,  14.62,  14.63,  99.90,   0.01,
07/06 09Z,   0.00,  13.39,  13.27,  99.90,  -0.12,
07/06 10Z,   0.00,  11.37,  11.26,  99.90,  -0.11,
07/06 11Z,   0.00,   8.85,   8.79,  99.90,  -0.06,
07/06 12Z,   0.00,   6.18,   6.17,  99.90,  -0.01,
07/06 13Z,  -0.10,   3.94,   4.00,  99.90,   0.16,
07/06 14Z,  -0.10,   2.72,   2.86,  99.90,   0.24,  (min)
07/06 15Z,  -0.10,   2.68,   2.89,  99.90,   0.31,
07/06 16Z,  -0.20,   3.74,   4.00,  99.90,   0.46,
07/06 17Z,  -0.20,   5.74,   5.84,  99.90,   0.30,
07/06 18Z,  -0.10,   8.25,   8.11,  99.90,  -0.04,
07/06 19Z,  -0.10,  10.56,  10.40,  99.90,  -0.06,
07/06 20Z,  -0.10,  12.12,  12.05,  99.90,   0.03,
07/06 21Z,  -0.10,  12.67,  12.72,  99.90,   0.15,  (max)
07/06 22Z,  -0.10,  12.24,  12.36,  99.90,   0.22,
07/06 23Z,  -0.10,  11.03,  11.16,  99.90,   0.23,
07/07 00Z,   0.00,   9.38,   9.61,  99.90,   0.23,
07/07 01Z,   0.00,   7.83,   8.15,  99.90,   0.32,
07/07 02Z,   0.00,   7.06,   7.15,  99.90,   0.09,  (min)
07/07 03Z,   0.00,   7.40,   7.18,  99.90,  -0.22,
07/07 04Z,  -0.10,   8.67,   8.44,  99.90,  -0.13,
07/07 05Z,  -0.20,  10.60,  10.41,  99.90,   0.01,
07/07 06Z,  -0.10,  12.77,  12.55,  99.90,  -0.12,
07/07 07Z,  -0.10,  14.53,  14.41,  99.90,  -0.02,
07/07 08Z,  -0.10,  15.32,  15.41,  99.90,   0.19,  (max)
07/07 09Z,  -0.20,  14.93,  15.10,  99.90,   0.37,
07/07 10Z,  -0.20,  13.43,  13.40,  99.90,   0.17,
07/07 11Z,  -0.30,  11.07,  10.84,  99.90,   0.07,
07/07 12Z,  -0.30,   8.16,   8.00,  99.90,   0.14,
07/07 13Z,  -0.30,   5.13,   5.06,  99.90,   0.23,
07/07 14Z,  -0.30,   2.72,   2.75,  99.90,   0.33,
07/07 15Z,  -0.40,   1.56,   1.75,  99.90,   0.59,  (min)
07/07 16Z,  -0.40,   1.79,   2.08,  99.90,   0.69,
07/07 17Z,  -0.40,   3.31,   3.52,  99.90,   0.61,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/07 18Z,  -0.40,   5.86,  99.90,   6.02,   0.57,
07/07 19Z,  -0.50,   8.84,  99.90,   8.86,   0.52,
07/07 20Z,  -0.50,  11.46,  99.90,  11.44,   0.48,
07/07 21Z,  -0.40,  13.15,  99.90,  13.18,   0.44,
07/07 22Z,  -0.30,  13.63,  99.90,  13.73,   0.40,  (max)
07/07 23Z,  -0.20,  12.96,  99.90,  13.11,   0.35,
07/08 00Z,  -0.20,  11.37,  99.90,  11.48,   0.31,
07/08 01Z,  -0.20,   9.29,  99.90,   9.36,   0.27,
07/08 02Z,  -0.20,   7.46,  99.90,   7.48,   0.22,
07/08 03Z,  -0.10,   6.65,  99.90,   6.73,   0.18,  (min)
07/08 04Z,  -0.10,   7.15,  99.90,   7.19,   0.14,
07/08 05Z,  -0.10,   8.75,  99.90,   8.75,   0.10,
07/08 06Z,  -0.10,  11.06,  99.90,  11.06,   0.10,
07/08 07Z,  -0.10,  13.52,  99.90,  13.51,   0.10,
07/08 08Z,  -0.10,  15.36,  99.90,  15.35,   0.10,
07/08 09Z,  -0.10,  16.03,  99.90,  16.03,   0.10,  (max)
07/08 10Z,   0.00,  15.35,  99.90,  15.45,   0.10,
07/08 11Z,   0.00,  13.42,  99.90,  13.51,   0.10,
07/08 12Z,   0.00,  10.52,  99.90,  10.62,   0.10,
07/08 13Z,   0.00,   7.07,  99.90,   7.16,   0.10,
07/08 14Z,   0.00,   3.67,  99.90,   3.77,   0.10,
07/08 15Z,   0.00,   1.22,  99.90,   1.31,   0.10,
07/08 16Z,   0.00,   0.34,  99.90,   0.44,   0.10,  (min)
07/08 17Z,   0.00,   1.12,  99.90,   1.22,   0.10,
07/08 18Z,   0.10,   3.32,  99.90,   3.52,   0.10,
07/08 19Z,   0.10,   6.52,  99.90,   6.71,   0.10,
07/08 20Z,   0.20,   9.95,  99.90,  10.25,   0.10,
07/08 21Z,   0.20,  12.77,  99.90,  13.06,   0.10,
07/08 22Z,   0.20,  14.37,  99.90,  14.67,   0.10,
07/08 23Z,   0.20,  14.54,  99.90,  14.84,   0.10,  (max)
07/09 00Z,   0.30,  13.36,  99.90,  13.75,   0.10,
07/09 01Z,   0.30,  11.17,  99.90,  11.57,   0.10,
07/09 02Z,   0.20,   8.60,  99.90,   8.90,   0.10,
07/09 03Z,   0.20,   6.57,  99.90,   6.87,   0.10,
07/09 04Z,   0.20,   5.92,  99.90,   6.22,   0.10,  (min)
07/09 05Z,   0.20,   6.85,  99.90,   7.15,   0.10,
07/09 06Z,   0.20,   9.00,  99.90,   9.29,   0.10,
07/09 07Z,   0.20,  11.80,  99.90,  12.10,   0.10,
07/09 08Z,   0.20,  14.55,  99.90,  14.85,   0.10,
07/09 09Z,   0.30,  16.41,  99.90,  16.80,   0.10,
07/09 10Z,   0.30,  16.83,  99.90,  17.23,   0.10,  (max)
07/09 11Z,   0.30,  15.69,  99.90,  16.08,   0.10,
07/09 12Z,   0.30,  13.13,  99.90,  13.52,   0.10,
07/09 13Z,   0.20,   9.55,  99.90,   9.85,   0.10,
07/09 14Z,   0.00,   5.52,  99.90,   5.62,   0.10,
07/09 15Z,   0.00,   1.89,  99.90,   1.98,   0.10,
07/09 16Z,   0.00,  -0.36,  99.90,  -0.27,   0.10,
07/09 17Z,   0.00,  -0.66,  99.90,  -0.56,   0.10,  (min)
07/09 18Z,  -0.10,   0.90,  99.90,   0.90,   0.10,
07/09 19Z,   0.00,   3.90,  99.90,   4.00,   0.10,
07/09 20Z,   0.00,   7.72,  99.90,   7.82,   0.10,
07/09 21Z,   0.00,  11.47,  99.90,  11.57,   0.10,
07/09 22Z,   0.00,  14.26,  99.90,  14.36,   0.10,
07/09 23Z,   0.00,  15.55,  99.90,  15.64,   0.10,  (max)
07/10 00Z,   0.00,  15.14,  99.90,  15.23,   0.10,
07/10 01Z,   0.00,  13.24,  99.90,  13.33,   0.10,
07/10 02Z,   0.00,  10.38,  99.90,  10.47,   0.10,
07/10 03Z,  -0.10,   7.40,  99.90,   7.39,   0.10,
07/10 04Z,  -0.20,   5.40,  99.90,   5.30,   0.10,
07/10 05Z,  -0.30,   5.20,  99.90,   4.99,   0.10,  (min)
07/10 06Z,  -0.20,   6.78,  99.90,   6.67,   0.10,
07/10 07Z,  -0.10,   9.57,  99.90,   9.57,   0.10,
07/10 08Z,   0.00,  12.86,  99.90,  12.96,   0.10,
07/10 09Z,   0.00,  15.79,  99.90,  15.89,   0.10,
07/10 10Z,   0.00,  17.50,  99.90,  17.59,   0.10,  (max)
07/10 11Z,   0.00,  17.49,  99.90,  17.59,   0.10,
07/10 12Z,   0.00,  15.69,  99.90,  15.79,   0.10,
07/10 13Z,  -0.10,  12.36,  99.90,  12.36,   0.10,
07/10 14Z,  -0.20,   8.07,  99.90,   7.96,   0.10,
07/10 15Z,  -0.20,   3.60,  99.90,   3.49,   0.10,
07/10 16Z,  -0.20,  -0.01,  99.90,  -0.11,   0.10,
07/10 17Z,  -0.10,  -1.72,  99.90,  -1.72,   0.10,  (min)
07/10 18Z,  -0.10,  -1.17,  99.90,  -1.17,   0.10,
07/10 19Z,   0.00,   1.30,  99.90,   1.40,   0.10,
07/10 20Z,   0.00,   5.08,  99.90,   5.17,   0.10,
07/10 21Z,   0.10,   9.38,  99.90,   9.57,   0.10,
07/10 22Z,   0.20,  13.21,  99.90,  13.51,   0.10,
07/10 23Z,   0.20,  15.72,  99.90,  16.01,   0.10,
07/11 00Z,   0.30,  16.41,  99.90,  16.80,   0.10,  (max)
07/11 01Z,   0.40,  15.21,  99.90,  15.70,   0.10,
07/11 02Z,   0.40,  12.50,  99.90,  13.00,   0.10,
07/11 03Z,   0.40,   9.05,  99.90,   9.55,   0.10,
07/11 04Z,   0.30,   5.91,  99.90,   6.31,   0.10,
07/11 05Z,   0.40,   4.26,  99.90,   4.76,   0.10,  (min)
07/11 06Z,   0.40,   4.75,  99.90,   5.24,   0.10,
07/11 07Z,   0.30,   7.09,  99.90,   7.48,   0.10,
07/11 08Z,   0.20,  10.50,  99.90,  10.80,   0.10,
07/11 09Z,   0.20,  14.14,  99.90,  14.43,   0.10,
07/11 10Z,   0.30,  17.04,  99.90,  17.44,   0.10,
07/11 11Z,   0.40,  18.39,  99.90,  18.89,   0.10,  (max)
07/11 12Z,   0.40,  17.76,  99.90,  18.25,   0.10,