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
#Seward, AK : 04/27/2025 13:20:57 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/25 18Z,   0.80,   6.73,   6.31,  99.90,  -1.22,
04/25 19Z,   0.80,   8.64,   8.15,  99.90,  -1.29,
04/25 20Z,   0.80,   9.57,   9.01,  99.90,  -1.36,  (max)
04/25 21Z,   0.80,   9.33,   8.72,  99.90,  -1.41,
04/25 22Z,   0.80,   7.99,   7.36,  99.90,  -1.43,
04/25 23Z,   0.90,   5.86,   5.29,  99.90,  -1.47,
04/26 00Z,   0.80,   3.45,   2.84,  99.90,  -1.41,
04/26 01Z,   0.70,   1.43,   0.71,  99.90,  -1.42,
04/26 02Z,   0.70,   0.41,  -0.32,  99.90,  -1.43,  (min)
04/26 03Z,   0.70,   0.68,   0.02,  99.90,  -1.36,
04/26 04Z,   0.70,   2.19,   1.56,  99.90,  -1.33,
04/26 05Z,   0.70,   4.61,   4.07,  99.90,  -1.24,
04/26 06Z,   0.70,   7.37,   6.84,  99.90,  -1.23,
04/26 07Z,   0.70,   9.76,   9.34,  99.90,  -1.12,
04/26 08Z,   0.70,  11.13,  10.72,  99.90,  -1.11,
04/26 09Z,   0.70,  11.16,  10.76,  99.90,  -1.10,  (max)
04/26 10Z,   0.60,   9.83,   9.39,  99.90,  -1.04,
04/26 11Z,   0.60,   7.39,   6.98,  99.90,  -1.01,
04/26 12Z,   0.60,   4.37,   3.98,  99.90,  -0.99,
04/26 13Z,   0.60,   1.46,   1.12,  99.90,  -0.94,
04/26 14Z,   0.60,  -0.58,  -0.91,  99.90,  -0.93,
04/26 15Z,   0.60,  -1.26,  -1.56,  99.90,  -0.90,  (min)
04/26 16Z,   0.50,  -0.47,  -0.74,  99.90,  -0.77,
04/26 17Z,   0.50,   1.55,   1.24,  99.90,  -0.81,
04/26 18Z,   0.60,   4.30,   3.88,  99.90,  -1.02,
04/26 19Z,   0.60,   7.06,   6.68,  99.90,  -0.98,
04/26 20Z,   0.70,   9.13,   8.67,  99.90,  -1.16,
04/26 21Z,   0.60,  10.01,   9.47,  99.90,  -1.14,  (max)
04/26 22Z,   0.60,   9.58,   8.94,  99.90,  -1.24,
04/26 23Z,   0.60,   7.98,   7.38,  99.90,  -1.20,
04/27 00Z,   0.70,   5.61,   5.09,  99.90,  -1.22,
04/27 01Z,   0.60,   3.11,   2.53,  99.90,  -1.18,
04/27 02Z,   0.60,   1.21,   0.62,  99.90,  -1.19,
04/27 03Z,   0.60,   0.51,  -0.02,  99.90,  -1.13,  (min)
04/27 04Z,   0.60,   1.25,   0.92,  99.90,  -0.93,
04/27 05Z,   0.60,   3.26,   3.00,  99.90,  -0.86,
04/27 06Z,   0.60,   6.07,   5.80,  99.90,  -0.87,
04/27 07Z,   0.60,   8.99,   8.77,  99.90,  -0.82,
04/27 08Z,   0.70,  11.25,  10.98,  99.90,  -0.97,
04/27 09Z,   0.70,  12.22,  11.89,  99.90,  -1.03,  (max)
04/27 10Z,   0.70,  11.65,  11.26,  99.90,  -1.09,
04/27 11Z,   0.60,   9.65,   9.27,  99.90,  -0.98,
04/27 12Z,   0.60,   6.58,   6.29,  99.90,  -0.89,
04/27 13Z,   0.60,   3.08,   2.74,  99.90,  -0.94,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/27 14Z,   0.60,  -0.03,  99.90,  -0.39,  -0.96,
04/27 15Z,   0.60,  -1.98,  99.90,  -2.35,  -0.97,
04/27 16Z,   0.70,  -2.33,  99.90,  -2.62,  -0.99,  (min)
04/27 17Z,   0.70,  -1.07,  99.90,  -1.37,  -1.00,
04/27 18Z,   0.70,   1.43,  99.90,   1.11,  -1.02,
04/27 19Z,   0.70,   4.54,  99.90,   4.21,  -1.03,
04/27 20Z,   0.70,   7.48,  99.90,   7.13,  -1.05,
04/27 21Z,   0.70,   9.51,  99.90,   9.14,  -1.06,
04/27 22Z,   0.60,  10.21,  99.90,   9.73,  -1.08,  (max)
04/27 23Z,   0.80,   9.53,  99.90,   9.24,  -1.09,
04/28 00Z,   0.70,   7.71,  99.90,   7.31,  -1.11,
04/28 01Z,   0.60,   5.24,  99.90,   4.72,  -1.12,
04/28 02Z,   0.70,   2.81,  99.90,   2.39,  -1.12,
04/28 03Z,   0.80,   1.19,  99.90,   0.87,  -1.12,
04/28 04Z,   0.80,   0.93,  99.90,   0.61,  -1.12,  (min)
04/28 05Z,   0.90,   2.14,  99.90,   1.92,  -1.12,
04/28 06Z,   1.00,   4.55,  99.90,   4.42,  -1.12,
04/28 07Z,   1.10,   7.56,  99.90,   7.53,  -1.12,
04/28 08Z,   1.10,  10.41,  99.90,  10.39,  -1.12,
04/28 09Z,   1.10,  12.33,  99.90,  12.31,  -1.12,
04/28 10Z,   1.20,  12.78,  99.90,  12.86,  -1.12,  (max)
04/28 11Z,   1.20,  11.62,  99.90,  11.69,  -1.12,
04/28 12Z,   1.20,   9.05,  99.90,   9.12,  -1.12,
04/28 13Z,   1.00,   5.55,  99.90,   5.43,  -1.12,
04/28 14Z,   1.40,   1.84,  99.90,   2.12,  -1.12,
04/28 15Z,   1.30,  -1.21,  99.90,  -1.04,  -1.12,
04/28 16Z,   0.90,  -2.88,  99.90,  -3.10,  -1.12,  (min)
04/28 17Z,   1.20,  -2.81,  99.90,  -2.74,  -1.12,
04/28 18Z,   1.40,  -1.13,  99.90,  -0.85,  -1.12,
04/28 19Z,   1.30,   1.69,  99.90,   1.87,  -1.12,
04/28 20Z,   1.20,   4.94,  99.90,   5.02,  -1.12,
04/28 21Z,   1.30,   7.82,  99.90,   7.99,  -1.12,
04/28 22Z,   1.50,   9.64,  99.90,  10.01,  -1.12,
04/28 23Z,   1.40,  10.08,  99.90,  10.36,  -1.12,  (max)
04/29 00Z,   1.40,   9.19,  99.90,   9.46,  -1.12,
04/29 01Z,   1.40,   7.26,  99.90,   7.54,  -1.12,
04/29 02Z,   1.50,   4.84,  99.90,   5.22,  -1.12,
04/29 03Z,   1.40,   2.66,  99.90,   2.93,  -1.12,
04/29 04Z,   1.30,   1.44,  99.90,   1.61,  -1.12,  (min)
04/29 05Z,   1.30,   1.63,  99.90,   1.81,  -1.12,
04/29 06Z,   1.30,   3.23,  99.90,   3.40,  -1.12,
04/29 07Z,   1.20,   5.83,  99.90,   5.91,  -1.12,
04/29 08Z,   1.20,   8.81,  99.90,   8.89,  -1.12,
04/29 09Z,   1.20,  11.38,  99.90,  11.46,  -1.12,
04/29 10Z,   1.20,  12.84,  99.90,  12.91,  -1.12,  (max)
04/29 11Z,   1.20,  12.75,  99.90,  12.83,  -1.12,
04/29 12Z,   1.10,  11.10,  99.90,  11.08,  -1.12,
04/29 13Z,   1.10,   8.18,  99.90,   8.16,  -1.12,
04/29 14Z,   1.00,   4.53,  99.90,   4.40,  -1.12,
04/29 15Z,   1.00,   0.89,  99.90,   0.77,  -1.12,
04/29 16Z,   1.00,  -1.89,  99.90,  -2.01,  -1.12,
04/29 17Z,   1.00,  -3.15,  99.90,  -3.27,  -1.12,  (min)
04/29 18Z,   1.00,  -2.69,  99.90,  -2.81,  -1.12,
04/29 19Z,   1.00,  -0.73,  99.90,  -0.85,  -1.12,
04/29 20Z,   1.00,   2.19,  99.90,   2.07,  -1.12,
04/29 21Z,   1.00,   5.34,  99.90,   5.21,  -1.12,
04/29 22Z,   0.90,   7.95,  99.90,   7.73,  -1.12,
04/29 23Z,   0.90,   9.47,  99.90,   9.24,  -1.12,
04/30 00Z,   0.90,   9.66,  99.90,   9.43,  -1.12,  (max)
04/30 01Z,   0.90,   8.64,  99.90,   8.41,  -1.12,
04/30 02Z,   0.90,   6.75,  99.90,   6.52,  -1.12,
04/30 03Z,   0.90,   4.54,  99.90,   4.32,  -1.12,
04/30 04Z,   0.90,   2.72,  99.90,   2.49,  -1.12,
04/30 05Z,   1.10,   1.93,  99.90,   1.91,  -1.12,  (min)
04/30 06Z,   0.70,   2.50,  99.90,   2.07,  -1.12,
04/30 07Z,   0.80,   4.30,  99.90,   3.98,  -1.12,
04/30 08Z,   0.90,   6.89,  99.90,   6.66,  -1.12,
04/30 09Z,   1.00,   9.61,  99.90,   9.49,  -1.12,
04/30 10Z,   0.80,  11.76,  99.90,  11.43,  -1.12,
04/30 11Z,   0.70,  12.72,  99.90,  12.29,  -1.12,  (max)
04/30 12Z,   0.70,  12.19,  99.90,  11.77,  -1.12,
04/30 13Z,   0.70,  10.26,  99.90,   9.84,  -1.12,
04/30 14Z,   0.60,   7.25,  99.90,   6.73,  -1.12,
04/30 15Z,   0.60,   3.72,  99.90,   3.20,  -1.12,
04/30 16Z,   0.80,   0.39,  99.90,   0.07,  -1.12,
04/30 17Z,   0.70,  -1.97,  99.90,  -2.39,  -1.12,
04/30 18Z,   0.80,  -2.82,  99.90,  -3.15,  -1.12,  (min)
04/30 19Z,   1.00,  -2.08,  99.90,  -2.20,  -1.12,
04/30 20Z,   1.20,  -0.04,  99.90,   0.03,  -1.12,
04/30 21Z,   1.10,   2.74,  99.90,   2.71,  -1.12,
04/30 22Z,   1.10,   5.58,  99.90,   5.56,  -1.12,
04/30 23Z,   1.20,   7.83,  99.90,   7.90,  -1.12,
05/01 00Z,   1.30,   9.02,  99.90,   9.20,  -1.12,
05/01 01Z,   1.30,   9.04,  99.90,   9.21,  -1.12,  (max)
05/01 02Z,   1.10,   8.02,  99.90,   8.00,  -1.12,
05/01 03Z,   1.10,   6.32,  99.90,   6.29,  -1.12,
05/01 04Z,   1.00,   4.43,  99.90,   4.31,  -1.12,
05/01 05Z,   1.10,   3.01,  99.90,   2.99,  -1.12,
05/01 06Z,   1.10,   2.60,  99.90,   2.57,  -1.12,