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
#Seattle, WA : 05/21/2025 05:23:12 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/19 12Z,   0.30,   7.18,   7.28,  99.90,  -0.20,
05/19 13Z,   0.30,   7.23,   7.25,  99.90,  -0.28,  (min)
05/19 14Z,   0.30,   7.49,   7.66,  99.90,  -0.13,
05/19 15Z,   0.30,   7.79,   8.01,  99.90,  -0.08,
05/19 16Z,   0.30,   7.96,   8.28,  99.90,   0.02,  (max)
05/19 17Z,   0.30,   7.81,   8.18,  99.90,   0.07,
05/19 18Z,   0.30,   7.11,   7.51,  99.90,   0.10,
05/19 19Z,   0.30,   5.84,   6.27,  99.90,   0.13,
05/19 20Z,   0.40,   4.18,   4.64,  99.90,   0.06,
05/19 21Z,   0.40,   2.40,   2.77,  99.90,  -0.03,
05/19 22Z,   0.40,   0.85,   1.23,  99.90,  -0.02,
05/19 23Z,   0.40,  -0.04,   0.46,  99.90,   0.10,  (min)
05/20 00Z,   0.40,   0.08,   0.73,  99.90,   0.25,
05/20 01Z,   0.40,   1.27,   1.83,  99.90,   0.16,
05/20 02Z,   0.40,   3.23,   3.62,  99.90,  -0.01,
05/20 03Z,   0.40,   5.52,   5.91,  99.90,  -0.01,
05/20 04Z,   0.40,   7.77,   8.20,  99.90,   0.03,
05/20 05Z,   0.40,   9.63,   9.95,  99.90,  -0.08,
05/20 06Z,   0.40,  10.82,  11.04,  99.90,  -0.18,
05/20 07Z,   0.40,  11.20,  11.42,  99.90,  -0.18,  (max)
05/20 08Z,   0.40,  10.87,  11.17,  99.90,  -0.10,
05/20 09Z,   0.30,  10.03,  10.50,  99.90,   0.17,
05/20 10Z,   0.30,   8.87,   9.40,  99.90,   0.23,
05/20 11Z,   0.30,   7.65,   8.06,  99.90,   0.11,
05/20 12Z,   0.40,   6.70,   6.96,  99.90,  -0.14,
05/20 13Z,   0.40,   6.24,   6.36,  99.90,  -0.28,
05/20 14Z,   0.30,   6.27,   6.28,  99.90,  -0.29,  (min)
05/20 15Z,   0.30,   6.59,   6.56,  99.90,  -0.33,
05/20 16Z,   0.30,   7.04,   6.91,  99.90,  -0.43,
05/20 17Z,   0.30,   7.43,   7.26,  99.90,  -0.47,
05/20 18Z,   0.30,   7.50,   7.32,  99.90,  -0.48,  (max)
05/20 19Z,   0.30,   7.03,   6.91,  99.90,  -0.42,
05/20 20Z,   0.30,   5.99,   5.99,  99.90,  -0.30,
05/20 21Z,   0.20,   4.57,   4.61,  99.90,  -0.16,
05/20 22Z,   0.20,   3.02,   3.12,  99.90,  -0.10,
05/20 23Z,   0.20,   1.65,   1.82,  99.90,  -0.03,
05/21 00Z,   0.20,   0.88,   1.12,  99.90,   0.04,  (min)
05/21 01Z,   0.10,   1.06,   1.41,  99.90,   0.25,
05/21 02Z,   0.10,   2.21,   2.48,  99.90,   0.17,
05/21 03Z,   0.10,   4.07,   4.23,  99.90,   0.06,
05/21 04Z,   0.10,   6.24,   6.45,  99.90,   0.11,
05/21 05Z,   0.10,   8.38,   8.58,  99.90,   0.10,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/21 06Z,   0.10,  10.12,  99.90,  10.30,   0.08,
05/21 07Z,   0.10,  11.12,  99.90,  11.29,   0.07,
05/21 08Z,   0.10,  11.27,  99.90,  11.43,   0.06,  (max)
05/21 09Z,   0.10,  10.68,  99.90,  10.83,   0.05,
05/21 10Z,   0.10,   9.53,  99.90,   9.67,   0.04,
05/21 11Z,   0.10,   8.04,  99.90,   8.17,   0.02,
05/21 12Z,   0.00,   6.53,  99.90,   6.54,   0.01,
05/21 13Z,   0.00,   5.38,  99.90,   5.38,  -0.00,
05/21 14Z,   0.00,   4.85,  99.90,   4.84,  -0.01,  (min)
05/21 15Z,   0.00,   4.95,  99.90,   4.92,  -0.03,
05/21 16Z,   0.00,   5.49,  99.90,   5.45,  -0.04,
05/21 17Z,   0.00,   6.27,  99.90,   6.22,  -0.05,
05/21 18Z,   0.00,   7.04,  99.90,   6.99,  -0.05,
05/21 19Z,   0.00,   7.46,  99.90,   7.41,  -0.05,  (max)
05/21 20Z,   0.00,   7.30,  99.90,   7.25,  -0.05,
05/21 21Z,   0.00,   6.54,  99.90,   6.49,  -0.05,
05/21 22Z,   0.00,   5.37,  99.90,   5.32,  -0.05,
05/21 23Z,   0.00,   3.99,  99.90,   3.94,  -0.05,
05/22 00Z,   0.00,   2.74,  99.90,   2.69,  -0.05,
05/22 01Z,   0.00,   2.02,  99.90,   1.97,  -0.05,  (min)
05/22 02Z,   0.00,   2.18,  99.90,   2.13,  -0.05,
05/22 03Z,   0.10,   3.26,  99.90,   3.31,  -0.05,
05/22 04Z,   0.10,   5.02,  99.90,   5.07,  -0.05,
05/22 05Z,   0.10,   7.11,  99.90,   7.16,  -0.05,
05/22 06Z,   0.10,   9.14,  99.90,   9.19,  -0.05,
05/22 07Z,   0.10,  10.70,  99.90,  10.75,  -0.05,
05/22 08Z,   0.10,  11.45,  99.90,  11.50,  -0.05,  (max)
05/22 09Z,   0.10,  11.27,  99.90,  11.32,  -0.05,
05/22 10Z,   0.10,  10.28,  99.90,  10.33,  -0.05,
05/22 11Z,   0.10,   8.70,  99.90,   8.75,  -0.05,
05/22 12Z,   0.10,   6.78,  99.90,   6.83,  -0.05,
05/22 13Z,   0.10,   4.92,  99.90,   4.97,  -0.05,
05/22 14Z,   0.20,   3.60,  99.90,   3.75,  -0.05,
05/22 15Z,   0.20,   3.11,  99.90,   3.26,  -0.05,  (min)
05/22 16Z,   0.20,   3.44,  99.90,   3.59,  -0.05,
05/22 17Z,   0.20,   4.38,  99.90,   4.53,  -0.05,
05/22 18Z,   0.20,   5.66,  99.90,   5.81,  -0.05,
05/22 19Z,   0.20,   6.92,  99.90,   7.07,  -0.05,
05/22 20Z,   0.20,   7.75,  99.90,   7.90,  -0.05,
05/22 21Z,   0.20,   7.93,  99.90,   8.08,  -0.05,  (max)
05/22 22Z,   0.20,   7.44,  99.90,   7.59,  -0.05,
05/22 23Z,   0.20,   6.47,  99.90,   6.62,  -0.05,
05/23 00Z,   0.20,   5.22,  99.90,   5.37,  -0.05,
05/23 01Z,   0.20,   4.00,  99.90,   4.15,  -0.05,
05/23 02Z,   0.20,   3.27,  99.90,   3.42,  -0.05,  (min)
05/23 03Z,   0.20,   3.38,  99.90,   3.53,  -0.05,
05/23 04Z,   0.20,   4.40,  99.90,   4.55,  -0.05,
05/23 05Z,   0.20,   6.09,  99.90,   6.24,  -0.05,
05/23 06Z,   0.20,   8.09,  99.90,   8.24,  -0.05,
05/23 07Z,   0.20,   9.98,  99.90,  10.13,  -0.05,
05/23 08Z,   0.20,  11.30,  99.90,  11.45,  -0.05,
05/23 09Z,   0.20,  11.68,  99.90,  11.83,  -0.05,  (max)
05/23 10Z,   0.20,  11.06,  99.90,  11.21,  -0.05,
05/23 11Z,   0.20,   9.57,  99.90,   9.72,  -0.05,
05/23 12Z,   0.20,   7.47,  99.90,   7.62,  -0.05,
05/23 13Z,   0.20,   5.09,  99.90,   5.24,  -0.05,
05/23 14Z,   0.20,   2.93,  99.90,   3.08,  -0.05,
05/23 15Z,   0.20,   1.55,  99.90,   1.70,  -0.05,
05/23 16Z,   0.20,   1.25,  99.90,   1.40,  -0.05,  (min)
05/23 17Z,   0.20,   1.99,  99.90,   2.14,  -0.05,
05/23 18Z,   0.20,   3.49,  99.90,   3.64,  -0.05,
05/23 19Z,   0.20,   5.36,  99.90,   5.51,  -0.05,
05/23 20Z,   0.20,   7.14,  99.90,   7.29,  -0.05,
05/23 21Z,   0.20,   8.38,  99.90,   8.53,  -0.05,
05/23 22Z,   0.20,   8.85,  99.90,   9.00,  -0.05,  (max)
05/23 23Z,   0.20,   8.58,  99.90,   8.73,  -0.05,
05/24 00Z,   0.20,   7.73,  99.90,   7.88,  -0.05,
05/24 01Z,   0.20,   6.52,  99.90,   6.67,  -0.05,
05/24 02Z,   0.30,   5.29,  99.90,   5.54,  -0.05,
05/24 03Z,   0.30,   4.52,  99.90,   4.77,  -0.05,  (min)
05/24 04Z,   0.30,   4.60,  99.90,   4.85,  -0.05,
05/24 05Z,   0.30,   5.57,  99.90,   5.82,  -0.05,
05/24 06Z,   0.30,   7.20,  99.90,   7.45,  -0.05,
05/24 07Z,   0.30,   9.09,  99.90,   9.34,  -0.05,
05/24 08Z,   0.30,  10.78,  99.90,  11.03,  -0.05,
05/24 09Z,   0.30,  11.76,  99.90,  12.01,  -0.05,  (max)
05/24 10Z,   0.30,  11.70,  99.90,  11.95,  -0.05,
05/24 11Z,   0.30,  10.56,  99.90,  10.81,  -0.05,
05/24 12Z,   0.30,   8.52,  99.90,   8.77,  -0.05,
05/24 13Z,   0.30,   5.90,  99.90,   6.15,  -0.05,
05/24 14Z,   0.30,   3.12,  99.90,   3.37,  -0.05,
05/24 15Z,   0.30,   0.79,  99.90,   1.04,  -0.05,
05/24 16Z,   0.30,  -0.49,  99.90,  -0.24,  -0.05,
05/24 17Z,   0.20,  -0.42,  99.90,  -0.27,  -0.05,  (min)
05/24 18Z,   0.20,   0.87,  99.90,   1.02,  -0.05,
05/24 19Z,   0.20,   2.99,  99.90,   3.14,  -0.05,
05/24 20Z,   0.20,   5.45,  99.90,   5.60,  -0.05,
05/24 21Z,   0.20,   7.68,  99.90,   7.83,  -0.05,
05/24 22Z,   0.20,   9.24,  99.90,   9.39,  -0.05,
05/24 23Z,   0.20,   9.90,  99.90,  10.05,  -0.05,  (max)
05/25 00Z,   0.20,   9.76,  99.90,   9.91,  -0.05,