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 : 05/18/2025 17:23:25 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/17 00Z,   0.30, -11.84, -11.31,  99.90,   0.23,
05/17 01Z,   0.30,  -9.36,  -8.94,  99.90,   0.12,
05/17 02Z,   0.20,  -8.23,  -8.03,  99.90,  -0.00,  (max)
05/17 03Z,   0.10,  -8.67,  -8.61,  99.90,  -0.04,
05/17 04Z,   0.00, -10.49, -10.53,  99.90,  -0.04,
05/17 05Z,   0.00, -13.08, -13.22,  99.90,  -0.14,
05/17 06Z,   0.10, -15.63, -15.78,  99.90,  -0.25,
05/17 07Z,   0.10, -17.35, -17.39,  99.90,  -0.14,
05/17 08Z,   0.10, -17.60, -17.46,  99.90,   0.04,  (min)
05/17 09Z,   0.10, -16.14, -15.79,  99.90,   0.25,
05/17 10Z,   0.10, -13.51, -13.22,  99.90,   0.19,
05/17 11Z,   0.00, -10.63, -10.45,  99.90,   0.18,
05/17 12Z,   0.00,  -8.23,  -8.10,  99.90,   0.13,
05/17 13Z,   0.00,  -6.84,  -6.68,  99.90,   0.16,  (max)
05/17 14Z,   0.00,  -6.92,  -6.94,  99.90,  -0.02,
05/17 15Z,   0.00,  -8.63,  -8.90,  99.90,  -0.27,
05/17 16Z,  -0.10, -11.67, -11.92,  99.90,  -0.15,
05/17 17Z,  -0.10, -15.40, -15.36,  99.90,   0.14,
05/17 18Z,  -0.10, -19.00, -18.83,  99.90,   0.27,
05/17 19Z,   0.00, -21.73, -21.64,  99.90,   0.09,
05/17 20Z,   0.00, -23.01, -22.79,  99.90,   0.22,  (min)
05/17 21Z,   0.00, -22.50, -22.28,  99.90,   0.22,
05/17 22Z,   0.00, -20.41, -20.41,  99.90,  -0.00,
05/17 23Z,  -0.10, -17.47, -17.51,  99.90,   0.06,
05/18 00Z,  -0.10, -14.38, -14.18,  99.90,   0.30,
05/18 01Z,  -0.20, -11.59, -11.22,  99.90,   0.57,
05/18 02Z,  -0.20,  -9.61,  -9.37,  99.90,   0.44,
05/18 03Z,  -0.20,  -8.89,  -8.81,  99.90,   0.28,  (max)
05/18 04Z,  -0.20,  -9.55,  -9.59,  99.90,   0.16,
05/18 05Z,  -0.20, -11.31, -11.47,  99.90,   0.04,
05/18 06Z,  -0.20, -13.58, -13.73,  99.90,   0.05,
05/18 07Z,  -0.20, -15.66, -15.88,  99.90,  -0.02,
05/18 08Z,  -0.20, -16.89, -17.14,  99.90,  -0.05,  (min)
05/18 09Z,  -0.20, -16.79, -16.93,  99.90,   0.06,
05/18 10Z,  -0.20, -15.27, -15.31,  99.90,   0.16,
05/18 11Z,  -0.20, -12.90, -12.98,  99.90,   0.12,
05/18 12Z,  -0.20, -10.50, -10.54,  99.90,   0.16,
05/18 13Z,  -0.30,  -8.62,  -8.55,  99.90,   0.37,
05/18 14Z,  -0.30,  -7.70,  -7.62,  99.90,   0.38,  (max)
05/18 15Z,  -0.20,  -8.11,  -8.21,  99.90,   0.10,
05/18 16Z,  -0.30,  -9.92, -10.25,  99.90,  -0.03,
05/18 17Z,  -0.30, -12.80, -12.98,  99.90,   0.12,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/18 18Z,  -0.30, -16.13,  99.90, -16.31,   0.12,
05/18 19Z,  -0.30, -19.19,  99.90, -19.36,   0.12,
05/18 20Z,  -0.30, -21.36,  99.90, -21.54,   0.12,
05/18 21Z,  -0.30, -22.20,  99.90, -22.38,   0.12,  (min)
05/18 22Z,  -0.30, -21.46,  99.90, -21.64,   0.13,
05/18 23Z,  -0.30, -19.42,  99.90, -19.60,   0.13,
05/19 00Z,  -0.30, -16.76,  99.90, -16.93,   0.13,
05/19 01Z,  -0.30, -14.02,  99.90, -14.19,   0.13,
05/19 02Z,  -0.30, -11.56,  99.90, -11.73,   0.13,
05/19 03Z,  -0.30,  -9.86,  99.90, -10.03,   0.13,
05/19 04Z,  -0.30,  -9.32,  99.90,  -9.48,   0.14,  (max)
05/19 05Z,  -0.30,  -9.99,  99.90, -10.16,   0.14,
05/19 06Z,  -0.30, -11.61,  99.90, -11.78,   0.14,
05/19 07Z,  -0.30, -13.63,  99.90, -13.80,   0.14,
05/19 08Z,  -0.30, -15.45,  99.90, -15.61,   0.14,
05/19 09Z,  -0.30, -16.52,  99.90, -16.68,   0.14,  (min)
05/19 10Z,  -0.20, -16.41,  99.90, -16.47,   0.14,
05/19 11Z,  -0.20, -15.08,  99.90, -15.14,   0.14,
05/19 12Z,  -0.10, -13.08,  99.90, -13.04,   0.14,
05/19 13Z,  -0.10, -11.07,  99.90, -11.04,   0.14,
05/19 14Z,  -0.10,  -9.49,  99.90,  -9.45,   0.14,
05/19 15Z,  -0.10,  -8.71,  99.90,  -8.68,   0.14,  (max)
05/19 16Z,  -0.10,  -9.11,  99.90,  -9.08,   0.14,
05/19 17Z,  -0.10, -10.74,  99.90, -10.70,   0.14,
05/19 18Z,  -0.10, -13.29,  99.90, -13.25,   0.14,
05/19 19Z,  -0.10, -16.20,  99.90, -16.16,   0.14,
05/19 20Z,   0.00, -18.86,  99.90, -18.72,   0.14,
05/19 21Z,   0.00, -20.74,  99.90, -20.61,   0.14,
05/19 22Z,   0.00, -21.44,  99.90, -21.31,   0.14,  (min)
05/19 23Z,   0.00, -20.72,  99.90, -20.58,   0.14,
05/20 00Z,   0.00, -18.83,  99.90, -18.70,   0.14,
05/20 01Z,   0.00, -16.39,  99.90, -16.25,   0.14,
05/20 02Z,   0.00, -13.80,  99.90, -13.66,   0.14,
05/20 03Z,  -0.10, -11.44,  99.90, -11.40,   0.14,
05/20 04Z,  -0.10,  -9.79,  99.90,  -9.75,   0.14,
05/20 05Z,  -0.10,  -9.25,  99.90,  -9.22,   0.14,  (max)
05/20 06Z,   0.00,  -9.89,  99.90,  -9.76,   0.14,
05/20 07Z,   0.00, -11.46,  99.90, -11.32,   0.14,
05/20 08Z,   0.00, -13.45,  99.90, -13.31,   0.14,
05/20 09Z,   0.10, -15.33,  99.90, -15.09,   0.14,
05/20 10Z,   0.10, -16.58,  99.90, -16.34,   0.14,
05/20 11Z,   0.10, -16.73,  99.90, -16.49,   0.14,  (min)
05/20 12Z,   0.00, -15.72,  99.90, -15.58,   0.14,
05/20 13Z,   0.00, -14.02,  99.90, -13.89,   0.14,
05/20 14Z,  -0.10, -12.18,  99.90, -12.14,   0.14,
05/20 15Z,  -0.10, -10.55,  99.90, -10.51,   0.14,
05/20 16Z,  -0.10,  -9.58,  99.90,  -9.54,   0.14,  (max)
05/20 17Z,  -0.10,  -9.68,  99.90,  -9.64,   0.14,
05/20 18Z,   0.00, -10.94,  99.90, -10.80,   0.14,
05/20 19Z,   0.00, -13.12,  99.90, -12.98,   0.14,
05/20 20Z,   0.00, -15.74,  99.90, -15.61,   0.14,
05/20 21Z,   0.00, -18.24,  99.90, -18.11,   0.14,
05/20 22Z,   0.00, -20.13,  99.90, -19.99,   0.14,
05/20 23Z,   0.00, -20.91,  99.90, -20.77,   0.14,  (min)
05/21 00Z,   0.00, -20.30,  99.90, -20.17,   0.14,
05/21 01Z,   0.00, -18.54,  99.90, -18.40,   0.14,
05/21 02Z,  -0.10, -16.13,  99.90, -16.09,   0.14,
05/21 03Z,  -0.30, -13.46,  99.90, -13.62,   0.14,
05/21 04Z,  -0.30, -10.95,  99.90, -11.11,   0.14,
05/21 05Z,  -0.30,  -9.19,  99.90,  -9.36,   0.14,
05/21 06Z,  -0.20,  -8.62,  99.90,  -8.68,   0.14,  (max)
05/21 07Z,  -0.10,  -9.32,  99.90,  -9.28,   0.14,
05/21 08Z,   0.00, -11.05,  99.90, -10.91,   0.14,
05/21 09Z,   0.00, -13.34,  99.90, -13.20,   0.14,
05/21 10Z,   0.00, -15.63,  99.90, -15.49,   0.14,
05/21 11Z,   0.00, -17.33,  99.90, -17.19,   0.14,
05/21 12Z,  -0.10, -17.87,  99.90, -17.83,   0.14,  (min)
05/21 13Z,  -0.20, -17.14,  99.90, -17.20,   0.14,
05/21 14Z,  -0.30, -15.54,  99.90, -15.70,   0.14,
05/21 15Z,  -0.40, -13.53,  99.90, -13.79,   0.14,
05/21 16Z,  -0.40, -11.51,  99.90, -11.77,   0.14,
05/21 17Z,  -0.40, -10.04,  99.90, -10.31,   0.14,
05/21 18Z,  -0.40,  -9.65,  99.90,  -9.91,   0.14,  (max)
05/21 19Z,  -0.30, -10.51,  99.90, -10.67,   0.14,
05/21 20Z,  -0.30, -12.43,  99.90, -12.59,   0.14,
05/21 21Z,  -0.30, -14.97,  99.90, -15.14,   0.14,
05/21 22Z,  -0.30, -17.58,  99.90, -17.74,   0.14,
05/21 23Z,  -0.30, -19.68,  99.90, -19.84,   0.14,
05/22 00Z,  -0.40, -20.67,  99.90, -20.93,   0.14,  (min)
05/22 01Z,  -0.40, -20.17,  99.90, -20.43,   0.14,
05/22 02Z,  -0.50, -18.37,  99.90, -18.74,   0.14,
05/22 03Z,  -0.50, -15.76,  99.90, -16.12,   0.14,
05/22 04Z,  -0.50, -12.76,  99.90, -13.12,   0.14,
05/22 05Z,  -0.50,  -9.95,  99.90, -10.32,   0.14,
05/22 06Z,  -0.50,  -8.05,  99.90,  -8.41,   0.14,
05/22 07Z,  -0.40,  -7.53,  99.90,  -7.80,   0.14,  (max)
05/22 08Z,  -0.30,  -8.50,  99.90,  -8.66,   0.14,
05/22 09Z,  -0.30, -10.69,  99.90, -10.85,   0.14,
05/22 10Z,  -0.20, -13.57,  99.90, -13.63,   0.14,
05/22 11Z,  -0.20, -16.52,  99.90, -16.59,   0.14,
05/22 12Z,  -0.20, -18.81,  99.90, -18.87,   0.14,