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 : 04/26/2025 02:21:02 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/24 06Z,   0.00,   8.49,   8.07,  99.90,  -0.42,
04/24 07Z,   0.00,   8.75,   8.40,  99.90,  -0.35,  (max)
04/24 08Z,   0.00,   8.11,   7.80,  99.90,  -0.31,
04/24 09Z,   0.00,   6.76,   6.62,  99.90,  -0.14,
04/24 10Z,   0.00,   5.04,   4.92,  99.90,  -0.12,
04/24 11Z,   0.00,   3.41,   3.32,  99.90,  -0.09,
04/24 12Z,   0.00,   2.29,   2.14,  99.90,  -0.15,
04/24 13Z,   0.00,   1.95,   1.80,  99.90,  -0.15,  (min)
04/24 14Z,   0.00,   2.50,   2.30,  99.90,  -0.20,
04/24 15Z,   0.00,   3.78,   3.50,  99.90,  -0.28,
04/24 16Z,   0.00,   5.46,   5.09,  99.90,  -0.37,
04/24 17Z,   0.10,   7.08,   6.64,  99.90,  -0.54,
04/24 18Z,   0.00,   8.20,   7.73,  99.90,  -0.47,
04/24 19Z,   0.00,   8.50,   7.97,  99.90,  -0.53,  (max)
04/24 20Z,   0.00,   7.86,   7.37,  99.90,  -0.49,
04/24 21Z,   0.00,   6.40,   5.95,  99.90,  -0.45,
04/24 22Z,   0.00,   4.47,   4.04,  99.90,  -0.43,
04/24 23Z,   0.00,   2.54,   2.06,  99.90,  -0.48,
04/25 00Z,   0.10,   1.11,   0.67,  99.90,  -0.54,
04/25 01Z,   0.10,   0.56,   0.04,  99.90,  -0.62,  (min)
04/25 02Z,   0.10,   1.06,   0.52,  99.90,  -0.64,
04/25 03Z,   0.10,   2.52,   1.99,  99.90,  -0.63,
04/25 04Z,   0.10,   4.62,   4.07,  99.90,  -0.65,
04/25 05Z,   0.10,   6.85,   6.30,  99.90,  -0.65,
04/25 06Z,   0.10,   8.69,   8.19,  99.90,  -0.60,
04/25 07Z,   0.10,   9.66,   9.17,  99.90,  -0.59,  (max)
04/25 08Z,   0.10,   9.54,   9.11,  99.90,  -0.53,
04/25 09Z,   0.20,   8.34,   8.00,  99.90,  -0.54,
04/25 10Z,   0.10,   6.34,   6.09,  99.90,  -0.35,
04/25 11Z,   0.10,   4.03,   3.83,  99.90,  -0.30,
04/25 12Z,   0.00,   1.98,   1.69,  99.90,  -0.29,
04/25 13Z,   0.00,   0.69,   0.47,  99.90,  -0.22,
04/25 14Z,   0.10,   0.46,   0.21,  99.90,  -0.35,  (min)
04/25 15Z,   0.10,   1.35,   1.02,  99.90,  -0.43,
04/25 16Z,   0.00,   3.11,   2.75,  99.90,  -0.36,
04/25 17Z,   0.00,   5.29,   4.87,  99.90,  -0.42,
04/25 18Z,   0.00,   7.33,   6.80,  99.90,  -0.53,
04/25 19Z,   0.00,   8.69,   8.10,  99.90,  -0.59,
04/25 20Z,   0.00,   9.03,   8.44,  99.90,  -0.59,  (max)
04/25 21Z,   0.00,   8.25,   7.64,  99.90,  -0.61,
04/25 22Z,   0.00,   6.56,   5.96,  99.90,  -0.60,
04/25 23Z,   0.00,   4.40,   3.78,  99.90,  -0.62,
04/26 00Z,   0.00,   2.36,   1.73,  99.90,  -0.63,
04/26 01Z,  -0.10,   0.98,   0.28,  99.90,  -0.60,
04/26 02Z,  -0.20,   0.66,  -0.03,  99.90,  -0.49,  (min)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/26 03Z,  -0.20,   1.53,  99.90,   0.85,  -0.48,
04/26 04Z,  -0.20,   3.42,  99.90,   2.75,  -0.47,
04/26 05Z,  -0.20,   5.87,  99.90,   5.21,  -0.45,
04/26 06Z,  -0.20,   8.28,  99.90,   7.64,  -0.44,
04/26 07Z,  -0.20,  10.05,  99.90,   9.42,  -0.43,
04/26 08Z,  -0.20,  10.70,  99.90,  10.08,  -0.42,  (max)
04/26 09Z,  -0.20,  10.03,  99.90,   9.43,  -0.40,
04/26 10Z,  -0.20,   8.17,  99.90,   7.58,  -0.39,
04/26 11Z,  -0.20,   5.53,  99.90,   4.95,  -0.38,
04/26 12Z,  -0.30,   2.73,  99.90,   2.07,  -0.37,
04/26 13Z,  -0.30,   0.42,  99.90,  -0.23,  -0.35,
04/26 14Z,  -0.30,  -0.85,  99.90,  -1.49,  -0.34,  (min)
04/26 15Z,  -0.30,  -0.81,  99.90,  -1.45,  -0.34,
04/26 16Z,  -0.30,   0.52,  99.90,  -0.12,  -0.34,
04/26 17Z,  -0.30,   2.78,  99.90,   2.14,  -0.34,
04/26 18Z,  -0.30,   5.40,  99.90,   4.76,  -0.34,
04/26 19Z,  -0.30,   7.72,  99.90,   7.08,  -0.34,
04/26 20Z,  -0.30,   9.17,  99.90,   8.53,  -0.34,
04/26 21Z,  -0.20,   9.42,  99.90,   8.87,  -0.34,  (max)
04/26 22Z,  -0.20,   8.43,  99.90,   7.89,  -0.34,
04/26 23Z,  -0.20,   6.53,  99.90,   5.99,  -0.34,
04/27 00Z,  -0.20,   4.24,  99.90,   3.70,  -0.34,
04/27 01Z,  -0.20,   2.21,  99.90,   1.67,  -0.34,
04/27 02Z,  -0.20,   1.03,  99.90,   0.49,  -0.34,
04/27 03Z,  -0.30,   1.07,  99.90,   0.42,  -0.34,  (min)
04/27 04Z,  -0.30,   2.35,  99.90,   1.71,  -0.34,
04/27 05Z,  -0.30,   4.61,  99.90,   3.97,  -0.34,
04/27 06Z,  -0.30,   7.28,  99.90,   6.64,  -0.34,
04/27 07Z,  -0.30,   9.69,  99.90,   9.05,  -0.34,
04/27 08Z,  -0.20,  11.19,  99.90,  10.65,  -0.34,
04/27 09Z,  -0.20,  11.36,  99.90,  10.82,  -0.34,  (max)
04/27 10Z,  -0.20,  10.09,  99.90,   9.54,  -0.34,
04/27 11Z,  -0.10,   7.61,  99.90,   7.16,  -0.34,
04/27 12Z,  -0.10,   4.46,  99.90,   4.02,  -0.34,
04/27 13Z,  -0.10,   1.36,  99.90,   0.92,  -0.34,
04/27 14Z,  -0.10,  -0.99,  99.90,  -1.43,  -0.34,
04/27 15Z,  -0.20,  -2.06,  99.90,  -2.60,  -0.34,  (min)
04/27 16Z,  -0.30,  -1.64,  99.90,  -2.28,  -0.34,
04/27 17Z,  -0.30,   0.14,  99.90,  -0.50,  -0.34,
04/27 18Z,  -0.30,   2.81,  99.90,   2.17,  -0.34,
04/27 19Z,  -0.30,   5.70,  99.90,   5.06,  -0.34,
04/27 20Z,  -0.30,   8.12,  99.90,   7.48,  -0.34,
04/27 21Z,  -0.20,   9.50,  99.90,   8.96,  -0.34,
04/27 22Z,  -0.10,   9.57,  99.90,   9.12,  -0.34,  (max)
04/27 23Z,  -0.10,   8.38,  99.90,   7.93,  -0.34,
04/28 00Z,   0.00,   6.33,  99.90,   5.99,  -0.34,
04/28 01Z,   0.00,   4.04,  99.90,   3.70,  -0.34,
04/28 02Z,   0.00,   2.19,  99.90,   1.85,  -0.34,
04/28 03Z,   0.00,   1.33,  99.90,   0.99,  -0.34,  (min)
04/28 04Z,   0.00,   1.75,  99.90,   1.41,  -0.34,
04/28 05Z,   0.00,   3.41,  99.90,   3.06,  -0.34,
04/28 06Z,   0.00,   5.90,  99.90,   5.56,  -0.34,
04/28 07Z,   0.10,   8.61,  99.90,   8.37,  -0.34,
04/28 08Z,   0.20,  10.82,  99.90,  10.68,  -0.34,
04/28 09Z,   0.20,  11.91,  99.90,  11.77,  -0.34,  (max)
04/28 10Z,   0.30,  11.55,  99.90,  11.50,  -0.34,
04/28 11Z,   0.50,   9.71,  99.90,   9.87,  -0.34,
04/28 12Z,   0.60,   6.76,  99.90,   7.02,  -0.34,
04/28 13Z,   0.70,   3.33,  99.90,   3.69,  -0.34,
04/28 14Z,   0.70,   0.18,  99.90,   0.54,  -0.34,
04/28 15Z,   0.70,  -2.00,  99.90,  -1.64,  -0.34,
04/28 16Z,   0.70,  -2.75,  99.90,  -2.39,  -0.34,  (min)
04/28 17Z,   0.70,  -1.93,  99.90,  -1.57,  -0.34,
04/28 18Z,   0.70,   0.20,  99.90,   0.56,  -0.34,
04/28 19Z,   0.70,   3.11,  99.90,   3.47,  -0.34,
04/28 20Z,   0.80,   6.07,  99.90,   6.53,  -0.34,
04/28 21Z,   0.80,   8.40,  99.90,   8.86,  -0.34,
04/28 22Z,   0.80,   9.59,  99.90,  10.05,  -0.34,  (max)
04/28 23Z,   0.70,   9.43,  99.90,   9.79,  -0.34,
04/29 00Z,   0.60,   8.09,  99.90,   8.35,  -0.34,
04/29 01Z,   0.60,   6.03,  99.90,   6.29,  -0.34,
04/29 02Z,   0.60,   3.90,  99.90,   4.16,  -0.34,
04/29 03Z,   0.50,   2.34,  99.90,   2.50,  -0.34,
04/29 04Z,   0.50,   1.85,  99.90,   2.01,  -0.34,  (min)
04/29 05Z,   0.40,   2.63,  99.90,   2.68,  -0.34,
04/29 06Z,   0.30,   4.52,  99.90,   4.48,  -0.34,
04/29 07Z,   0.20,   7.07,  99.90,   6.93,  -0.34,
04/29 08Z,   0.10,   9.62,  99.90,   9.37,  -0.34,
04/29 09Z,   0.10,  11.47,  99.90,  11.23,  -0.34,
04/29 10Z,   0.10,  12.10,  99.90,  11.85,  -0.34,  (max)
04/29 11Z,   0.10,  11.24,  99.90,  10.99,  -0.34,
04/29 12Z,   0.10,   9.00,  99.90,   8.76,  -0.34,
04/29 13Z,   0.00,   5.82,  99.90,   5.48,  -0.34,
04/29 14Z,   0.00,   2.37,  99.90,   2.03,  -0.34,
04/29 15Z,   0.00,  -0.60,  99.90,  -0.94,  -0.34,
04/29 16Z,   0.00,  -2.46,  99.90,  -2.80,  -0.34,
04/29 17Z,   0.00,  -2.84,  99.90,  -3.18,  -0.34,  (min)
04/29 18Z,   0.00,  -1.71,  99.90,  -2.05,  -0.34,