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
Surge List
#Seldovia, AK : 04/18/2025 23:23:31 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/17 06Z,   0.20,   5.62,   6.51,  99.90,   0.69,
04/17 07Z,   0.30,   4.29,   5.08,  99.90,   0.49,  (min)
04/17 08Z,   0.40,   4.87,   5.63,  99.90,   0.36,
04/17 09Z,   0.50,   7.26,   8.11,  99.90,   0.35,
04/17 10Z,   0.50,  10.61,  11.32,  99.90,   0.21,
04/17 11Z,   0.50,  13.90,  14.38,  99.90,  -0.02,
04/17 12Z,   0.60,  16.36,  16.84,  99.90,  -0.12,
04/17 13Z,   0.50,  17.41,  18.04,  99.90,   0.13,  (max)
04/17 14Z,   0.30,  16.66,  17.27,  99.90,   0.31,
04/17 15Z,   0.20,  14.19,  14.71,  99.90,   0.32,
04/17 16Z,   0.20,  10.52,  11.12,  99.90,   0.40,
04/17 17Z,   0.20,   6.49,   7.22,  99.90,   0.53,
04/17 18Z,   0.30,   3.01,   3.57,  99.90,   0.26,
04/17 19Z,   0.30,   0.78,   1.23,  99.90,   0.15,
04/17 20Z,   0.40,   0.33,   0.85,  99.90,   0.12,  (min)
04/17 21Z,   0.30,   1.77,   2.22,  99.90,   0.15,
04/17 22Z,   0.30,   4.57,   4.74,  99.90,  -0.13,
04/17 23Z,   0.20,   7.85,   8.06,  99.90,   0.01,
04/18 00Z,   0.40,  10.93,  11.48,  99.90,   0.15,
04/18 01Z,   0.40,  13.32,  14.00,  99.90,   0.28,
04/18 02Z,   0.30,  14.50,  15.07,  99.90,   0.27,  (max)
04/18 03Z,   0.30,  14.21,  14.74,  99.90,   0.23,
04/18 04Z,   0.20,  12.59,  13.04,  99.90,   0.25,
04/18 05Z,   0.20,  10.17,  10.54,  99.90,   0.17,
04/18 06Z,   0.40,   7.72,   8.02,  99.90,  -0.10,
04/18 07Z,   0.40,   5.98,   6.25,  99.90,  -0.13,
04/18 08Z,   0.40,   5.54,   5.87,  99.90,  -0.07,  (min)
04/18 09Z,   0.30,   6.70,   7.16,  99.90,   0.16,
04/18 10Z,   0.20,   9.17,   9.52,  99.90,   0.15,
04/18 11Z,   0.00,  12.06,  12.18,  99.90,   0.12,
04/18 12Z,   0.30,  14.55,  14.52,  99.90,  -0.33,
04/18 13Z,   0.30,  16.09,  16.15,  99.90,  -0.24,
04/18 14Z,   0.20,  16.30,  16.47,  99.90,  -0.03,  (max)
04/18 15Z,   0.00,  14.96,  14.96,  99.90,   0.00,
04/18 16Z,   0.00,  12.29,  12.23,  99.90,  -0.06,
04/18 17Z,  -0.10,   8.89,   9.15,  99.90,   0.36,
04/18 18Z,   0.10,   5.53,   5.87,  99.90,   0.24,
04/18 19Z,   0.10,   2.92,   2.93,  99.90,  -0.09,
04/18 20Z,   0.10,   1.54,   1.47,  99.90,  -0.17,  (min)
04/18 21Z,   0.00,   1.69,   1.61,  99.90,  -0.08,
04/18 22Z,   0.00,   3.32,   3.08,  99.90,  -0.24,
04/18 23Z,   0.00,   5.82,   5.35,  99.90,  -0.47,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/19 00Z,  -0.10,   8.47,  99.90,   7.96,  -0.42,
04/19 01Z,  -0.20,  10.84,  99.90,  10.28,  -0.36,
04/19 02Z,  -0.20,  12.57,  99.90,  12.07,  -0.31,
04/19 03Z,  -0.20,  13.30,  99.90,  12.85,  -0.25,  (max)
04/19 04Z,  -0.10,  12.88,  99.90,  12.58,  -0.20,
04/19 05Z,   0.00,  11.49,  99.90,  11.35,  -0.14,
04/19 06Z,   0.00,   9.62,  99.90,   9.54,  -0.09,
04/19 07Z,   0.00,   7.91,  99.90,   7.87,  -0.04,
04/19 08Z,   0.00,   6.87,  99.90,   6.89,   0.02,  (min)
04/19 09Z,   0.00,   6.90,  99.90,   6.97,   0.07,
04/19 10Z,   0.00,   8.17,  99.90,   8.30,   0.13,
04/19 11Z,  -0.20,  10.32,  99.90,  10.30,   0.18,
04/19 12Z,  -0.30,  12.56,  99.90,  12.45,   0.18,
04/19 13Z,  -0.40,  14.30,  99.90,  14.08,   0.18,
04/19 14Z,  -0.50,  15.18,  99.90,  14.86,   0.18,  (max)
04/19 15Z,  -0.50,  14.94,  99.90,  14.62,   0.18,
04/19 16Z,  -0.50,  13.46,  99.90,  13.14,   0.18,
04/19 17Z,  -0.50,  11.02,  99.90,  10.70,   0.18,
04/19 18Z,  -0.50,   8.14,  99.90,   7.82,   0.18,
04/19 19Z,  -0.40,   5.47,  99.90,   5.25,   0.18,
04/19 20Z,  -0.40,   3.51,  99.90,   3.29,   0.18,
04/19 21Z,  -0.30,   2.57,  99.90,   2.46,   0.18,  (min)
04/19 22Z,  -0.30,   2.86,  99.90,   2.74,   0.18,
04/19 23Z,  -0.40,   4.27,  99.90,   4.05,   0.18,
04/20 00Z,  -0.50,   6.28,  99.90,   5.96,   0.18,
04/20 01Z,  -0.50,   8.35,  99.90,   8.03,   0.18,
04/20 02Z,  -0.70,  10.23,  99.90,   9.71,   0.18,
04/20 03Z,  -0.80,  11.67,  99.90,  11.06,   0.18,
04/20 04Z,  -0.90,  12.35,  99.90,  11.63,   0.18,  (max)
04/20 05Z,  -0.80,  12.13,  99.90,  11.51,   0.18,
04/20 06Z,  -0.70,  11.16,  99.90,  10.65,   0.18,
04/20 07Z,  -0.60,   9.83,  99.90,   9.41,   0.18,
04/20 08Z,  -0.40,   8.59,  99.90,   8.38,   0.18,
04/20 09Z,  -0.40,   7.84,  99.90,   7.62,   0.18,  (min)
04/20 10Z,  -0.30,   7.87,  99.90,   7.75,   0.18,
04/20 11Z,  -0.30,   8.87,  99.90,   8.75,   0.18,
04/20 12Z,  -0.40,  10.49,  99.90,  10.27,   0.18,
04/20 13Z,  -0.50,  12.13,  99.90,  11.81,   0.18,
04/20 14Z,  -0.60,  13.39,  99.90,  12.97,   0.18,
04/20 15Z,  -0.70,  14.03,  99.90,  13.51,   0.18,  (max)
04/20 16Z,  -0.80,  13.80,  99.90,  13.18,   0.18,
04/20 17Z,  -0.80,  12.59,  99.90,  11.97,   0.18,
04/20 18Z,  -0.70,  10.60,  99.90,  10.08,   0.18,
04/20 19Z,  -0.70,   8.26,  99.90,   7.74,   0.18,
04/20 20Z,  -0.60,   6.06,  99.90,   5.64,   0.18,
04/20 21Z,  -0.50,   4.35,  99.90,   4.04,   0.18,
04/20 22Z,  -0.50,   3.41,  99.90,   3.09,   0.18,  (min)
04/20 23Z,  -0.50,   3.46,  99.90,   3.14,   0.18,
04/21 00Z,  -0.50,   4.46,  99.90,   4.14,   0.18,
04/21 01Z,  -0.50,   6.01,  99.90,   5.69,   0.18,
04/21 02Z,  -0.60,   7.76,  99.90,   7.34,   0.18,
04/21 03Z,  -0.60,   9.55,  99.90,   9.13,   0.18,
04/21 04Z,  -0.60,  11.12,  99.90,  10.70,   0.18,
04/21 05Z,  -0.50,  12.07,  99.90,  11.75,   0.18,
04/21 06Z,  -0.50,  12.22,  99.90,  11.90,   0.18,  (max)
04/21 07Z,  -0.40,  11.62,  99.90,  11.40,   0.18,
04/21 08Z,  -0.30,  10.55,  99.90,  10.43,   0.18,
04/21 09Z,  -0.30,   9.37,  99.90,   9.25,   0.18,
04/21 10Z,  -0.20,   8.41,  99.90,   8.39,   0.18,
04/21 11Z,  -0.30,   8.05,  99.90,   7.93,   0.18,  (min)
04/21 12Z,  -0.40,   8.55,  99.90,   8.33,   0.18,
04/21 13Z,  -0.40,   9.67,  99.90,   9.45,   0.18,
04/21 14Z,  -0.50,  10.98,  99.90,  10.66,   0.18,
04/21 15Z,  -0.50,  12.18,  99.90,  11.87,   0.18,
04/21 16Z,  -0.60,  13.05,  99.90,  12.64,   0.18,
04/21 17Z,  -0.50,  13.24,  99.90,  12.92,   0.18,  (max)
04/21 18Z,  -0.40,  12.54,  99.90,  12.32,   0.18,
04/21 19Z,  -0.30,  11.03,  99.90,  10.91,   0.18,
04/21 20Z,  -0.30,   9.03,  99.90,   8.91,   0.18,
04/21 21Z,  -0.20,   6.92,  99.90,   6.90,   0.18,
04/21 22Z,  -0.20,   5.04,  99.90,   5.02,   0.18,
04/21 23Z,  -0.20,   3.72,  99.90,   3.70,   0.18,
04/22 00Z,  -0.20,   3.34,  99.90,   3.32,   0.18,  (min)
04/22 01Z,  -0.30,   3.96,  99.90,   3.85,   0.18,
04/22 02Z,  -0.40,   5.32,  99.90,   5.10,   0.18,
04/22 03Z,  -0.50,   7.15,  99.90,   6.84,   0.18,
04/22 04Z,  -0.50,   9.29,  99.90,   8.97,   0.18,
04/22 05Z,  -0.50,  11.30,  99.90,  10.98,   0.18,
04/22 06Z,  -0.40,  12.68,  99.90,  12.46,   0.18,
04/22 07Z,  -0.20,  13.13,  99.90,  13.11,   0.18,  (max)
04/22 08Z,  -0.10,  12.63,  99.90,  12.71,   0.18,
04/22 09Z,  -0.10,  11.39,  99.90,  11.47,   0.18,
04/22 10Z,   0.00,   9.77,  99.90,   9.95,   0.18,
04/22 11Z,  -0.10,   8.20,  99.90,   8.28,   0.18,
04/22 12Z,  -0.20,   7.21,  99.90,   7.19,   0.18,
04/22 13Z,  -0.30,   7.20,  99.90,   7.09,   0.18,  (min)
04/22 14Z,  -0.40,   8.07,  99.90,   7.85,   0.18,
04/22 15Z,  -0.50,   9.45,  99.90,   9.13,   0.18,
04/22 16Z,  -0.50,  11.09,  99.90,  10.77,   0.18,
04/22 17Z,  -0.50,  12.60,  99.90,  12.28,   0.18,
04/22 18Z,  -0.50,  13.44,  99.90,  13.13,   0.18,