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 : 04/23/2025 12:22:13 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/21 12Z,  -0.50,  -6.25,  -7.06,  99.90,  -0.31,
04/21 13Z,  -0.50,  -5.53,  -6.34,  99.90,  -0.31,
04/21 14Z,  -0.50,  -5.02,  -5.87,  99.90,  -0.35,
04/21 15Z,  -0.50,  -4.91,  -5.74,  99.90,  -0.33,  (max)
04/21 16Z,  -0.50,  -5.30,  -6.19,  99.90,  -0.39,
04/21 17Z,  -0.50,  -6.19,  -6.95,  99.90,  -0.26,
04/21 18Z,  -0.40,  -7.45,  -8.25,  99.90,  -0.40,
04/21 19Z,  -0.40,  -8.89,  -9.58,  99.90,  -0.29,
04/21 20Z,  -0.40, -10.22, -10.94,  99.90,  -0.32,
04/21 21Z,  -0.40, -11.21, -11.85,  99.90,  -0.24,
04/21 22Z,  -0.40, -11.66, -12.26,  99.90,  -0.20,  (min)
04/21 23Z,  -0.30, -11.49, -12.11,  99.90,  -0.32,
04/22 00Z,  -0.30, -10.74, -11.41,  99.90,  -0.37,
04/22 01Z,  -0.40,  -9.58, -10.23,  99.90,  -0.25,
04/22 02Z,  -0.40,  -8.25,  -8.96,  99.90,  -0.31,
04/22 03Z,  -0.40,  -7.02,  -7.66,  99.90,  -0.24,
04/22 04Z,  -0.40,  -6.12,  -6.74,  99.90,  -0.22,
04/22 05Z,  -0.30,  -5.69,  -6.33,  99.90,  -0.34,  (max)
04/22 06Z,  -0.30,  -5.78,  -6.43,  99.90,  -0.35,
04/22 07Z,  -0.30,  -6.28,  -6.84,  99.90,  -0.26,
04/22 08Z,  -0.30,  -6.99,  -7.59,  99.90,  -0.30,
04/22 09Z,  -0.30,  -7.69,  -8.23,  99.90,  -0.24,
04/22 10Z,  -0.30,  -8.14,  -8.75,  99.90,  -0.31,
04/22 11Z,  -0.30,  -8.20,  -8.83,  99.90,  -0.33,  (min)
04/22 12Z,  -0.30,  -7.83,  -8.52,  99.90,  -0.39,
04/22 13Z,  -0.40,  -7.11,  -7.83,  99.90,  -0.32,
04/22 14Z,  -0.40,  -6.24,  -7.01,  99.90,  -0.37,
04/22 15Z,  -0.40,  -5.48,  -6.26,  99.90,  -0.38,
04/22 16Z,  -0.40,  -5.06,  -5.91,  99.90,  -0.45,  (max)
04/22 17Z,  -0.40,  -5.18,  -5.99,  99.90,  -0.41,
04/22 18Z,  -0.30,  -5.89,  -6.69,  99.90,  -0.50,
04/22 19Z,  -0.40,  -7.10,  -7.83,  99.90,  -0.33,
04/22 20Z,  -0.40,  -8.60,  -9.29,  99.90,  -0.29,
04/22 21Z,  -0.40, -10.09, -10.73,  99.90,  -0.24,
04/22 22Z,  -0.40, -11.26, -11.84,  99.90,  -0.18,
04/22 23Z,  -0.30, -11.85, -12.44,  99.90,  -0.29,  (min)
04/23 00Z,  -0.30, -11.71, -12.27,  99.90,  -0.26,
04/23 01Z,  -0.30, -10.88, -11.56,  99.90,  -0.38,
04/23 02Z,  -0.30,  -9.52, -10.18,  99.90,  -0.36,
04/23 03Z,  -0.40,  -7.92,  -8.62,  99.90,  -0.30,
04/23 04Z,  -0.40,  -6.43,  -7.14,  99.90,  -0.31,
04/23 05Z,  -0.40,  -5.36,  -6.02,  99.90,  -0.26,
04/23 06Z,  -0.30,  -4.93,  -5.51,  99.90,  -0.28,  (max)
04/23 07Z,  -0.30,  -5.18,  -5.72,  99.90,  -0.24,
04/23 08Z,  -0.20,  -6.01,  -6.51,  99.90,  -0.30,
04/23 09Z,  -0.20,  -7.15,  -7.54,  99.90,  -0.19,
04/23 10Z,  -0.20,  -8.29,  -8.67,  99.90,  -0.18,
04/23 11Z,  -0.20,  -9.11,  -9.43,  99.90,  -0.12,
04/23 12Z,  -0.20,  -9.37,  -9.76,  99.90,  -0.19,  (min)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/23 13Z,  -0.20,  -9.00,  99.90,  -9.40,  -0.20,
04/23 14Z,  -0.20,  -8.09,  99.90,  -8.50,  -0.21,
04/23 15Z,  -0.20,  -6.88,  99.90,  -7.30,  -0.22,
04/23 16Z,  -0.20,  -5.72,  99.90,  -6.15,  -0.23,
04/23 17Z,  -0.10,  -4.94,  99.90,  -5.28,  -0.24,
04/23 18Z,  -0.10,  -4.80,  99.90,  -5.15,  -0.25,  (max)
04/23 19Z,  -0.10,  -5.42,  99.90,  -5.78,  -0.26,
04/23 20Z,  -0.10,  -6.70,  99.90,  -7.07,  -0.27,
04/23 21Z,  -0.10,  -8.38,  99.90,  -8.77,  -0.28,
04/23 22Z,  -0.10, -10.10,  99.90, -10.49,  -0.29,
04/23 23Z,  -0.10, -11.45,  99.90, -11.85,  -0.30,
04/24 00Z,   0.00, -12.09,  99.90, -12.40,  -0.31,  (min)
04/24 01Z,   0.00, -11.85,  99.90, -12.16,  -0.31,
04/24 02Z,   0.00, -10.76,  99.90, -11.07,  -0.31,
04/24 03Z,   0.00,  -9.06,  99.90,  -9.37,  -0.31,
04/24 04Z,  -0.10,  -7.13,  99.90,  -7.54,  -0.31,
04/24 05Z,  -0.10,  -5.41,  99.90,  -5.82,  -0.31,
04/24 06Z,  -0.10,  -4.29,  99.90,  -4.71,  -0.31,
04/24 07Z,  -0.10,  -4.03,  99.90,  -4.45,  -0.31,  (max)
04/24 08Z,   0.00,  -4.67,  99.90,  -4.98,  -0.31,
04/24 09Z,   0.00,  -6.02,  99.90,  -6.34,  -0.31,
04/24 10Z,   0.00,  -7.74,  99.90,  -8.05,  -0.31,
04/24 11Z,   0.00,  -9.37,  99.90,  -9.68,  -0.31,
04/24 12Z,   0.00, -10.49,  99.90, -10.81,  -0.31,
04/24 13Z,   0.00, -10.83,  99.90, -11.14,  -0.31,  (min)
04/24 14Z,   0.00, -10.28,  99.90, -10.59,  -0.31,
04/24 15Z,   0.00,  -9.00,  99.90,  -9.31,  -0.31,
04/24 16Z,   0.00,  -7.32,  99.90,  -7.64,  -0.31,
04/24 17Z,   0.00,  -5.70,  99.90,  -6.02,  -0.31,
04/24 18Z,   0.00,  -4.58,  99.90,  -4.89,  -0.31,
04/24 19Z,   0.00,  -4.28,  99.90,  -4.59,  -0.31,  (max)
04/24 20Z,   0.00,  -4.92,  99.90,  -5.23,  -0.31,
04/24 21Z,   0.00,  -6.38,  99.90,  -6.69,  -0.31,
04/24 22Z,   0.00,  -8.31,  99.90,  -8.62,  -0.31,
04/24 23Z,   0.00, -10.24,  99.90, -10.55,  -0.31,
04/25 00Z,   0.00, -11.67,  99.90, -11.98,  -0.31,
04/25 01Z,   0.00, -12.22,  99.90, -12.53,  -0.31,  (min)
04/25 02Z,   0.00, -11.72,  99.90, -12.04,  -0.31,
04/25 03Z,   0.00, -10.26,  99.90, -10.57,  -0.31,
04/25 04Z,   0.00,  -8.16,  99.90,  -8.48,  -0.31,
04/25 05Z,   0.00,  -5.93,  99.90,  -6.24,  -0.31,
04/25 06Z,   0.00,  -4.09,  99.90,  -4.41,  -0.31,
04/25 07Z,   0.10,  -3.12,  99.90,  -3.33,  -0.31,  (max)
04/25 08Z,   0.10,  -3.24,  99.90,  -3.45,  -0.31,
04/25 09Z,   0.10,  -4.44,  99.90,  -4.65,  -0.31,
04/25 10Z,   0.10,  -6.44,  99.90,  -6.65,  -0.31,
04/25 11Z,   0.10,  -8.75,  99.90,  -8.96,  -0.31,
04/25 12Z,   0.10, -10.80,  99.90, -11.01,  -0.31,
04/25 13Z,   0.10, -12.09,  99.90, -12.31,  -0.31,
04/25 14Z,   0.10, -12.32,  99.90, -12.53,  -0.31,  (min)
04/25 15Z,   0.10, -11.43,  99.90, -11.65,  -0.31,
04/25 16Z,   0.10,  -9.67,  99.90,  -9.88,  -0.31,
04/25 17Z,   0.10,  -7.49,  99.90,  -7.70,  -0.31,
04/25 18Z,   0.10,  -5.45,  99.90,  -5.67,  -0.31,
04/25 19Z,   0.10,  -4.09,  99.90,  -4.30,  -0.31,
04/25 20Z,   0.00,  -3.75,  99.90,  -4.07,  -0.31,  (max)
04/25 21Z,   0.00,  -4.53,  99.90,  -4.85,  -0.31,
04/25 22Z,   0.00,  -6.22,  99.90,  -6.53,  -0.31,
04/25 23Z,   0.00,  -8.38,  99.90,  -8.69,  -0.31,
04/26 00Z,   0.00, -10.42,  99.90, -10.73,  -0.31,
04/26 01Z,   0.00, -11.80,  99.90, -12.11,  -0.31,
04/26 02Z,   0.00, -12.12,  99.90, -12.43,  -0.31,  (min)
04/26 03Z,   0.00, -11.25,  99.90, -11.56,  -0.31,
04/26 04Z,  -0.10,  -9.36,  99.90,  -9.78,  -0.31,
04/26 05Z,  -0.10,  -6.91,  99.90,  -7.32,  -0.31,
04/26 06Z,  -0.10,  -4.50,  99.90,  -4.91,  -0.31,
04/26 07Z,  -0.10,  -2.73,  99.90,  -3.15,  -0.31,
04/26 08Z,  -0.10,  -2.08,  99.90,  -2.50,  -0.31,  (max)
04/26 09Z,  -0.10,  -2.75,  99.90,  -3.16,  -0.31,
04/26 10Z,  -0.10,  -4.61,  99.90,  -5.02,  -0.31,
04/26 11Z,  -0.10,  -7.25,  99.90,  -7.66,  -0.31,
04/26 12Z,  -0.10, -10.05,  99.90, -10.46,  -0.31,
04/26 13Z,   0.00, -12.36,  99.90, -12.67,  -0.31,
04/26 14Z,   0.00, -13.63,  99.90, -13.94,  -0.31,
04/26 15Z,  -0.10, -13.59,  99.90, -14.00,  -0.31,  (min)
04/26 16Z,  -0.10, -12.26,  99.90, -12.67,  -0.31,
04/26 17Z,  -0.10, -10.00,  99.90, -10.41,  -0.31,
04/26 18Z,  -0.10,  -7.38,  99.90,  -7.79,  -0.31,
04/26 19Z,  -0.10,  -5.06,  99.90,  -5.47,  -0.31,
04/26 20Z,  -0.10,  -3.61,  99.90,  -4.02,  -0.31,
04/26 21Z,  -0.10,  -3.36,  99.90,  -3.78,  -0.31,  (max)
04/26 22Z,   0.00,  -4.35,  99.90,  -4.66,  -0.31,
04/26 23Z,   0.00,  -6.25,  99.90,  -6.57,  -0.31,
04/27 00Z,   0.00,  -8.54,  99.90,  -8.86,  -0.31,