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
#Sitka, AK : 04/28/2025 22:21:38 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/27 06Z,  -0.20,  -5.50,  -5.96,  99.90,  -0.26,
04/27 07Z,  -0.20,  -3.09,  -3.58,  99.90,  -0.29,
04/27 08Z,  -0.20,  -1.59,  -2.14,  99.90,  -0.35,
04/27 09Z,  -0.20,  -1.42,  -1.94,  99.90,  -0.32,  (max)
04/27 10Z,  -0.20,  -2.69,  -3.22,  99.90,  -0.33,
04/27 11Z,  -0.20,  -5.17,  -5.69,  99.90,  -0.32,
04/27 12Z,  -0.20,  -8.32,  -8.82,  99.90,  -0.30,
04/27 13Z,  -0.30, -11.42, -11.95,  99.90,  -0.23,
04/27 14Z,  -0.30, -13.77, -14.23,  99.90,  -0.16,
04/27 15Z,  -0.30, -14.84, -15.31,  99.90,  -0.17,  (min)
04/27 16Z,  -0.30, -14.42, -14.85,  99.90,  -0.13,
04/27 17Z,  -0.30, -12.64, -13.12,  99.90,  -0.18,
04/27 18Z,  -0.20,  -9.97, -10.47,  99.90,  -0.30,
04/27 19Z,  -0.20,  -7.08,  -7.64,  99.90,  -0.36,
04/27 20Z,  -0.20,  -4.66,  -5.22,  99.90,  -0.36,
04/27 21Z,  -0.20,  -3.28,  -3.90,  99.90,  -0.42,
04/27 22Z,  -0.10,  -3.21,  -3.81,  99.90,  -0.50,  (max)
04/27 23Z,   0.00,  -4.40,  -4.97,  99.90,  -0.57,
04/28 00Z,   0.00,  -6.45,  -6.98,  99.90,  -0.53,
04/28 01Z,   0.00,  -8.74,  -9.23,  99.90,  -0.49,
04/28 02Z,   0.00, -10.59, -10.96,  99.90,  -0.37,
04/28 03Z,   0.00, -11.45, -11.66,  99.90,  -0.21,  (min)
04/28 04Z,   0.00, -11.03, -11.11,  99.90,  -0.08,
04/28 05Z,   0.10,  -9.37,  -9.43,  99.90,  -0.16,
04/28 06Z,   0.10,  -6.88,  -6.86,  99.90,  -0.08,
04/28 07Z,   0.20,  -4.17,  -4.13,  99.90,  -0.16,
04/28 08Z,   0.20,  -1.96,  -1.91,  99.90,  -0.15,
04/28 09Z,   0.30,  -0.87,  -0.79,  99.90,  -0.22,  (max)
04/28 10Z,   0.40,  -1.23,  -1.16,  99.90,  -0.33,
04/28 11Z,   0.40,  -3.07,  -3.02,  99.90,  -0.35,
04/28 12Z,   0.40,  -6.02,  -5.96,  99.90,  -0.34,
04/28 13Z,   0.40,  -9.45,  -9.35,  99.90,  -0.30,
04/28 14Z,   0.40, -12.60, -12.51,  99.90,  -0.31,
04/28 15Z,   0.50, -14.78, -14.65,  99.90,  -0.37,
04/28 16Z,   0.50, -15.53, -15.32,  99.90,  -0.29,  (min)
04/28 17Z,   0.60, -14.71, -14.53,  99.90,  -0.42,
04/28 18Z,   0.60, -12.58, -12.40,  99.90,  -0.42,
04/28 19Z,   0.70,  -9.67,  -9.59,  99.90,  -0.62,
04/28 20Z,   0.70,  -6.71,  -6.73,  99.90,  -0.72,
04/28 21Z,   0.80,  -4.38,  -4.50,  99.90,  -0.92,
04/28 22Z,   0.80,  -3.19,  -3.43,  99.90,  -1.04,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/28 23Z,   0.80,  -3.35,  99.90,  -3.53,  -0.98,
04/29 00Z,   0.70,  -4.69,  99.90,  -4.91,  -0.93,
04/29 01Z,   0.60,  -6.75,  99.90,  -7.02,  -0.87,
04/29 02Z,   0.50,  -8.88,  99.90,  -9.20,  -0.82,
04/29 03Z,   0.50, -10.44,  99.90, -10.70,  -0.76,
04/29 04Z,   0.50, -10.93,  99.90, -11.14,  -0.70,  (min)
04/29 05Z,   0.50, -10.15,  99.90, -10.30,  -0.65,
04/29 06Z,   0.50,  -8.26,  99.90,  -8.35,  -0.59,
04/29 07Z,   0.40,  -5.71,  99.90,  -5.85,  -0.54,
04/29 08Z,   0.20,  -3.16,  99.90,  -3.44,  -0.48,
04/29 09Z,   0.10,  -1.31,  99.90,  -1.63,  -0.42,
04/29 10Z,   0.10,  -0.68,  99.90,  -0.95,  -0.37,  (max)
04/29 11Z,   0.00,  -1.54,  99.90,  -1.91,  -0.37,
04/29 12Z,   0.00,  -3.78,  99.90,  -4.15,  -0.37,
04/29 13Z,   0.00,  -6.96,  99.90,  -7.33,  -0.37,
04/29 14Z,  -0.10, -10.41,  99.90, -10.88,  -0.37,
04/29 15Z,  -0.10, -13.38,  99.90, -13.85,  -0.37,
04/29 16Z,  -0.20, -15.24,  99.90, -15.81,  -0.37,
04/29 17Z,  -0.20, -15.62,  99.90, -16.19,  -0.37,  (min)
04/29 18Z,  -0.20, -14.49,  99.90, -15.06,  -0.37,
04/29 19Z,  -0.20, -12.17,  99.90, -12.74,  -0.37,
04/29 20Z,  -0.20,  -9.24,  99.90,  -9.81,  -0.37,
04/29 21Z,  -0.20,  -6.41,  99.90,  -6.98,  -0.37,
04/29 22Z,  -0.20,  -4.32,  99.90,  -4.89,  -0.37,
04/29 23Z,  -0.20,  -3.39,  99.90,  -3.96,  -0.37,  (max)
04/30 00Z,  -0.20,  -3.73,  99.90,  -4.30,  -0.37,
04/30 01Z,  -0.20,  -5.11,  99.90,  -5.68,  -0.37,
04/30 02Z,  -0.20,  -7.04,  99.90,  -7.61,  -0.37,
04/30 03Z,  -0.20,  -8.90,  99.90,  -9.47,  -0.37,
04/30 04Z,  -0.20, -10.10,  99.90, -10.67,  -0.37,
04/30 05Z,  -0.30, -10.25,  99.90, -10.92,  -0.37,  (min)
04/30 06Z,  -0.30,  -9.23,  99.90,  -9.90,  -0.37,
04/30 07Z,  -0.30,  -7.28,  99.90,  -7.95,  -0.37,
04/30 08Z,  -0.30,  -4.87,  99.90,  -5.54,  -0.37,
04/30 09Z,  -0.30,  -2.64,  99.90,  -3.31,  -0.37,
04/30 10Z,  -0.30,  -1.22,  99.90,  -1.88,  -0.37,
04/30 11Z,  -0.30,  -1.03,  99.90,  -1.70,  -0.37,  (max)
04/30 12Z,  -0.30,  -2.24,  99.90,  -2.91,  -0.37,
04/30 13Z,  -0.30,  -4.65,  99.90,  -5.32,  -0.37,
04/30 14Z,  -0.20,  -7.80,  99.90,  -8.37,  -0.37,
04/30 15Z,  -0.20, -11.03,  99.90, -11.60,  -0.37,
04/30 16Z,  -0.20, -13.65,  99.90, -14.22,  -0.37,
04/30 17Z,  -0.20, -15.13,  99.90, -15.70,  -0.37,
04/30 18Z,  -0.20, -15.20,  99.90, -15.76,  -0.37,  (min)
04/30 19Z,  -0.20, -13.89,  99.90, -14.46,  -0.37,
04/30 20Z,  -0.20, -11.59,  99.90, -12.16,  -0.37,
04/30 21Z,  -0.20,  -8.84,  99.90,  -9.41,  -0.37,
04/30 22Z,  -0.20,  -6.31,  99.90,  -6.88,  -0.37,
04/30 23Z,  -0.10,  -4.53,  99.90,  -4.99,  -0.37,
05/01 00Z,  -0.10,  -3.83,  99.90,  -4.30,  -0.37,  (max)
05/01 01Z,  -0.10,  -4.26,  99.90,  -4.73,  -0.37,
05/01 02Z,  -0.10,  -5.55,  99.90,  -6.02,  -0.37,
05/01 03Z,  -0.10,  -7.23,  99.90,  -7.70,  -0.37,
05/01 04Z,  -0.10,  -8.76,  99.90,  -9.23,  -0.37,
05/01 05Z,  -0.10,  -9.62,  99.90, -10.09,  -0.37,  (min)
05/01 06Z,  -0.10,  -9.52,  99.90,  -9.99,  -0.37,
05/01 07Z,   0.00,  -8.43,  99.90,  -8.80,  -0.37,
05/01 08Z,   0.00,  -6.59,  99.90,  -6.96,  -0.37,
05/01 09Z,   0.10,  -4.48,  99.90,  -4.75,  -0.37,
05/01 10Z,   0.30,  -2.66,  99.90,  -2.73,  -0.37,
05/01 11Z,   0.30,  -1.65,  99.90,  -1.72,  -0.37,  (max)
05/01 12Z,   0.40,  -1.79,  99.90,  -1.76,  -0.37,
05/01 13Z,   0.30,  -3.14,  99.90,  -3.21,  -0.37,
05/01 14Z,   0.40,  -5.50,  99.90,  -5.47,  -0.37,
05/01 15Z,   0.30,  -8.39,  99.90,  -8.46,  -0.37,
05/01 16Z,   0.30, -11.23,  99.90, -11.29,  -0.37,
05/01 17Z,   0.30, -13.43,  99.90, -13.50,  -0.37,
05/01 18Z,   0.30, -14.56,  99.90, -14.63,  -0.37,  (min)
05/01 19Z,   0.30, -14.43,  99.90, -14.50,  -0.37,
05/01 20Z,   0.40, -13.13,  99.90, -13.10,  -0.37,
05/01 21Z,   0.40, -11.01,  99.90, -10.98,  -0.37,
05/01 22Z,   0.40,  -8.59,  99.90,  -8.56,  -0.37,
05/01 23Z,   0.40,  -6.41,  99.90,  -6.38,  -0.37,
05/02 00Z,   0.50,  -4.92,  99.90,  -4.79,  -0.37,
05/02 01Z,   0.50,  -4.38,  99.90,  -4.25,  -0.37,  (max)
05/02 02Z,   0.50,  -4.78,  99.90,  -4.65,  -0.37,
05/02 03Z,   0.50,  -5.88,  99.90,  -5.75,  -0.37,
05/02 04Z,   0.50,  -7.26,  99.90,  -7.13,  -0.37,
05/02 05Z,   0.40,  -8.46,  99.90,  -8.43,  -0.37,
05/02 06Z,   0.40,  -9.07,  99.90,  -9.04,  -0.37,  (min)
05/02 07Z,   0.40,  -8.88,  99.90,  -8.84,  -0.37,
05/02 08Z,   0.30,  -7.88,  99.90,  -7.95,  -0.37,
05/02 09Z,   0.30,  -6.32,  99.90,  -6.38,  -0.37,
05/02 10Z,   0.30,  -4.59,  99.90,  -4.66,  -0.37,
05/02 11Z,   0.30,  -3.18,  99.90,  -3.25,  -0.37,
05/02 12Z,   0.30,  -2.49,  99.90,  -2.56,  -0.37,
05/02 13Z,  99.90,  -2.78,  99.90,  99.90,  -0.37,
05/02 14Z,  99.90,  -4.07,  99.90,  99.90,  -0.37,
05/02 15Z,  99.90,  -6.16,  99.90,  99.90,  -0.37,
05/02 16Z,  99.90,  -8.65,  99.90,  99.90,  -0.37,
05/02 17Z,  99.90, -11.04,  99.90,  99.90,  -0.37,
05/02 18Z,  99.90, -12.85,  99.90,  99.90,  -0.37,