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
#Ketchikan, AK : 07/11/2025 12:21:30 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/09 12Z,  -0.20, -14.46, -14.68,  99.90,  -0.02,
07/09 13Z,  -0.10, -17.67, -17.85,  99.90,  -0.08,
07/09 14Z,  -0.10, -19.79, -19.86,  99.90,   0.03,
07/09 15Z,  -0.10, -20.35, -20.27,  99.90,   0.18,  (min)
07/09 16Z,  -0.10, -19.29, -19.16,  99.90,   0.23,
07/09 17Z,  -0.10, -16.94, -16.85,  99.90,   0.19,
07/09 18Z,  -0.20, -13.89, -13.81,  99.90,   0.28,
07/09 19Z,  -0.20, -10.84, -10.75,  99.90,   0.29,
07/09 20Z,  -0.20,  -8.45,  -8.37,  99.90,   0.28,
07/09 21Z,  -0.20,  -7.23,  -7.15,  99.90,   0.28,  (max)
07/09 22Z,  -0.10,  -7.40,  -7.36,  99.90,   0.14,
07/09 23Z,  -0.10,  -8.83,  -8.83,  99.90,   0.10,
07/10 00Z,  -0.20, -11.05, -11.13,  99.90,   0.12,
07/10 01Z,  -0.20, -13.30, -13.44,  99.90,   0.06,
07/10 02Z,  -0.20, -14.83, -15.03,  99.90,  -0.00,
07/10 03Z,  -0.20, -15.09, -15.31,  99.90,  -0.02,  (min)
07/10 04Z,  -0.10, -13.96, -14.14,  99.90,  -0.08,
07/10 05Z,  -0.10, -11.71, -11.78,  99.90,   0.03,
07/10 06Z,  -0.30,  -8.92,  -8.95,  99.90,   0.27,
07/10 07Z,  -0.30,  -6.34,  -6.27,  99.90,   0.37,
07/10 08Z,  -0.30,  -4.63,  -4.56,  99.90,   0.37,
07/10 09Z,  -0.30,  -4.31,  -4.36,  99.90,   0.25,  (max)
07/10 10Z,  -0.20,  -5.61,  -5.77,  99.90,   0.04,
07/10 11Z,  -0.20,  -8.39,  -8.71,  99.90,  -0.12,
07/10 12Z,  -0.30, -12.13, -12.52,  99.90,  -0.09,
07/10 13Z,  -0.30, -16.03, -16.37,  99.90,  -0.04,
07/10 14Z,  -0.20, -19.20, -19.38,  99.90,   0.02,
07/10 15Z,  -0.20, -20.90, -20.97,  99.90,   0.13,  (min)
07/10 16Z,  -0.20, -20.82, -20.77,  99.90,   0.25,
07/10 17Z,  -0.10, -19.06, -18.98,  99.90,   0.18,
07/10 18Z,  -0.30, -16.10, -16.09,  99.90,   0.31,
07/10 19Z,  -0.30, -12.67, -12.65,  99.90,   0.32,
07/10 20Z,  -0.20,  -9.52,  -9.50,  99.90,   0.22,
07/10 21Z,  -0.20,  -7.33,  -7.22,  99.90,   0.31,
07/10 22Z,  -0.10,  -6.56,  -6.49,  99.90,   0.17,  (max)
07/10 23Z,   0.00,  -7.34,  -7.30,  99.90,   0.04,
07/11 00Z,  -0.10,  -9.38,  -9.28,  99.90,   0.20,
07/11 01Z,   0.00, -12.01, -11.95,  99.90,   0.06,
07/11 02Z,   0.00, -14.35, -14.41,  99.90,  -0.06,
07/11 03Z,   0.00, -15.63, -15.64,  99.90,  -0.01,  (min)
07/11 04Z,   0.10, -15.40, -15.24,  99.90,   0.06,
07/11 05Z,   0.10, -13.69, -13.35,  99.90,   0.24,
07/11 06Z,   0.10, -10.95, -10.39,  99.90,   0.46,
07/11 07Z,   0.10,  -7.91,  -7.30,  99.90,   0.51,
07/11 08Z,   0.10,  -5.33,  -4.64,  99.90,   0.59,
07/11 09Z,   0.10,  -3.92,  -3.33,  99.90,   0.49,  (max)
07/11 10Z,   0.00,  -4.14,  -3.68,  99.90,   0.46,
07/11 11Z,   0.00,  -6.12,  -5.84,  99.90,   0.28,
07/11 12Z,  -0.10,  -9.56,  -9.34,  99.90,   0.32,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/11 13Z,  -0.10, -13.75,  99.90, -13.53,   0.32,
07/11 14Z,  -0.20, -17.74,  99.90, -17.62,   0.32,
07/11 15Z,  -0.20, -20.58,  99.90, -20.46,   0.31,
07/11 16Z,  -0.20, -21.64,  99.90, -21.53,   0.31,  (min)
07/11 17Z,  -0.20, -20.78,  99.90, -20.67,   0.31,
07/11 18Z,  -0.20, -18.30,  99.90, -18.19,   0.31,
07/11 19Z,  -0.20, -14.84,  99.90, -14.73,   0.30,
07/11 20Z,  -0.20, -11.19,  99.90, -11.09,   0.30,
07/11 21Z,  -0.20,  -8.15,  99.90,  -8.05,   0.30,
07/11 22Z,  -0.20,  -6.38,  99.90,  -6.28,   0.30,
07/11 23Z,  -0.20,  -6.24,  99.90,  -6.15,   0.29,  (max)
07/12 00Z,  -0.20,  -7.72,  99.90,  -7.62,   0.29,
07/12 01Z,  -0.20, -10.32,  99.90, -10.23,   0.29,
07/12 02Z,  -0.30, -13.21,  99.90, -13.21,   0.29,
07/12 03Z,  -0.30, -15.43,  99.90, -15.44,   0.29,
07/12 04Z,  -0.30, -16.28,  99.90, -16.28,   0.29,  (min)
07/12 05Z,  -0.40, -15.45,  99.90, -15.56,   0.29,
07/12 06Z,  -0.40, -13.17,  99.90, -13.28,   0.29,
07/12 07Z,  -0.40, -10.05,  99.90, -10.16,   0.29,
07/12 08Z,  -0.50,  -6.89,  99.90,  -7.10,   0.29,
07/12 09Z,  -0.50,  -4.50,  99.90,  -4.71,   0.29,
07/12 10Z,  -0.40,  -3.56,  99.90,  -3.67,   0.29,  (max)
07/12 11Z,  -0.40,  -4.44,  99.90,  -4.55,   0.29,
07/12 12Z,  -0.30,  -7.13,  99.90,  -7.13,   0.29,
07/12 13Z,  -0.30, -11.12,  99.90, -11.12,   0.29,
07/12 14Z,  -0.30, -15.52,  99.90, -15.53,   0.29,
07/12 15Z,  -0.30, -19.30,  99.90, -19.31,   0.29,
07/12 16Z,  -0.30, -21.56,  99.90, -21.56,   0.29,
07/12 17Z,  -0.30, -21.82,  99.90, -21.83,   0.29,  (min)
07/12 18Z,  -0.30, -20.15,  99.90, -20.16,   0.29,
07/12 19Z,  -0.30, -17.04,  99.90, -17.05,   0.29,
07/12 20Z,  -0.30, -13.24,  99.90, -13.24,   0.29,
07/12 21Z,  -0.30,  -9.59,  99.90,  -9.60,   0.29,
07/12 22Z,  -0.20,  -6.89,  99.90,  -6.80,   0.29,
07/12 23Z,  -0.20,  -5.72,  99.90,  -5.62,   0.29,  (max)
07/13 00Z,  -0.10,  -6.32,  99.90,  -6.13,   0.29,
07/13 01Z,   0.00,  -8.48,  99.90,  -8.18,   0.29,
07/13 02Z,   0.00, -11.51,  99.90, -11.21,   0.29,
07/13 03Z,   0.00, -14.45,  99.90, -14.16,   0.29,
07/13 04Z,  -0.10, -16.37,  99.90, -16.18,   0.29,
07/13 05Z,  -0.10, -16.66,  99.90, -16.47,   0.29,  (min)
07/13 06Z,  -0.20, -15.24,  99.90, -15.15,   0.29,
07/13 07Z,  -0.30, -12.50,  99.90, -12.51,   0.29,
07/13 08Z,  -0.30,  -9.16,  99.90,  -9.17,   0.29,
07/13 09Z,  -0.40,  -6.08,  99.90,  -6.19,   0.29,
07/13 10Z,  -0.40,  -4.05,  99.90,  -4.16,   0.29,
07/13 11Z,  -0.40,  -3.70,  99.90,  -3.80,   0.29,  (max)
07/13 12Z,  -0.40,  -5.26,  99.90,  -5.37,   0.29,
07/13 13Z,  -0.40,  -8.54,  99.90,  -8.64,   0.29,
07/13 14Z,  -0.40, -12.84,  99.90, -12.95,   0.29,
07/13 15Z,  -0.40, -17.15,  99.90, -17.26,   0.29,
07/13 16Z,  -0.40, -20.43,  99.90, -20.54,   0.29,
07/13 17Z,  -0.40, -21.91,  99.90, -22.02,   0.29,  (min)
07/13 18Z,  -0.50, -21.33,  99.90, -21.54,   0.29,
07/13 19Z,  -0.50, -18.94,  99.90, -19.15,   0.29,
07/13 20Z,  -0.60, -15.37,  99.90, -15.68,   0.29,
07/13 21Z,  -0.60, -11.45,  99.90, -11.76,   0.29,
07/13 22Z,  -0.50,  -8.04,  99.90,  -8.25,   0.29,
07/13 23Z,  -0.50,  -5.88,  99.90,  -6.09,   0.29,
07/14 00Z,  -0.40,  -5.43,  99.90,  -5.54,   0.29,  (max)
07/14 01Z,  -0.40,  -6.78,  99.90,  -6.88,   0.29,
07/14 02Z,  -0.40,  -9.49,  99.90,  -9.60,   0.29,
07/14 03Z,  -0.40, -12.75,  99.90, -12.86,   0.29,
07/14 04Z,  -0.50, -15.55,  99.90, -15.76,   0.29,
07/14 05Z,  -0.60, -17.04,  99.90, -17.35,   0.29,  (min)
07/14 06Z,  -0.60, -16.80,  99.90, -17.11,   0.29,
07/14 07Z,  -0.70, -14.90,  99.90, -15.31,   0.29,
07/14 08Z,  -0.80, -11.88,  99.90, -12.38,   0.29,
07/14 09Z,  -0.80,  -8.52,  99.90,  -9.02,   0.29,
07/14 10Z,  -0.70,  -5.68,  99.90,  -6.09,   0.29,
07/14 11Z,  -0.70,  -4.13,  99.90,  -4.54,   0.29,  (max)
07/14 12Z,  -0.60,  -4.37,  99.90,  -4.68,   0.29,
07/14 13Z,  -0.60,  -6.50,  99.90,  -6.80,   0.29,
07/14 14Z,  -0.60, -10.12,  99.90, -10.43,   0.29,
07/14 15Z,  -0.70, -14.42,  99.90, -14.83,   0.29,
07/14 16Z,  -0.70, -18.33,  99.90, -18.74,   0.29,
07/14 17Z,  -0.80, -20.90,  99.90, -21.41,   0.29,
07/14 18Z,  -0.80, -21.54,  99.90, -22.05,   0.29,  (min)
07/14 19Z,  -0.90, -20.19,  99.90, -20.80,   0.29,
07/14 20Z,  -0.90, -17.26,  99.90, -17.87,   0.29,
07/14 21Z,  -0.90, -13.48,  99.90, -14.09,   0.29,
07/14 22Z,  -0.80,  -9.69,  99.90, -10.20,   0.29,
07/14 23Z,  -0.80,  -6.73,  99.90,  -7.23,   0.29,
07/15 00Z,  -0.70,  -5.22,  99.90,  -5.63,   0.29,