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 : 04/21/2025 02:20:49 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/19 06Z,   0.20,  10.48,  10.73,  99.90,   0.05,  (max)
04/19 07Z,   0.20,  10.17,  10.50,  99.90,   0.13,
04/19 08Z,   0.20,   9.60,   9.91,  99.90,   0.11,
04/19 09Z,   0.20,   8.93,   9.16,  99.90,   0.03,
04/19 10Z,   0.20,   8.35,   8.52,  99.90,  -0.03,
04/19 11Z,   0.20,   8.07,   8.15,  99.90,  -0.12,
04/19 12Z,   0.30,   8.14,   8.15,  99.90,  -0.29,  (min)
04/19 13Z,   0.30,   8.40,   8.43,  99.90,  -0.27,
04/19 14Z,   0.30,   8.65,   8.69,  99.90,  -0.26,
04/19 15Z,   0.30,   8.78,   8.91,  99.90,  -0.17,  (max)
04/19 16Z,   0.30,   8.65,   8.77,  99.90,  -0.18,
04/19 17Z,   0.30,   8.09,   8.06,  99.90,  -0.33,
04/19 18Z,   0.20,   6.96,   6.72,  99.90,  -0.44,
04/19 19Z,   0.20,   5.34,   5.01,  99.90,  -0.53,
04/19 20Z,   0.20,   3.48,   3.04,  99.90,  -0.64,
04/19 21Z,   0.10,   1.68,   1.28,  99.90,  -0.50,
04/19 22Z,   0.10,   0.33,   0.24,  99.90,  -0.19,
04/19 23Z,   0.10,  -0.19,   0.16,  99.90,   0.25,  (min)
04/20 00Z,   0.00,   0.37,   0.92,  99.90,   0.55,
04/20 01Z,   0.00,   1.85,   2.38,  99.90,   0.53,
04/20 02Z,   0.00,   3.86,   4.41,  99.90,   0.55,
04/20 03Z,   0.00,   5.98,   6.55,  99.90,   0.57,
04/20 04Z,   0.00,   7.89,   8.42,  99.90,   0.53,
04/20 05Z,   0.10,   9.34,   9.71,  99.90,   0.27,
04/20 06Z,   0.10,  10.16,  10.42,  99.90,   0.16,
04/20 07Z,   0.10,  10.36,  10.59,  99.90,   0.13,  (max)
04/20 08Z,   0.10,  10.13,  10.38,  99.90,   0.15,
04/20 09Z,   0.10,   9.63,   9.83,  99.90,   0.10,
04/20 10Z,   0.00,   9.00,   9.10,  99.90,   0.10,
04/20 11Z,   0.00,   8.41,   8.41,  99.90,  -0.00,
04/20 12Z,   0.10,   8.06,   7.94,  99.90,  -0.22,
04/20 13Z,   0.10,   8.00,   7.85,  99.90,  -0.25,  (min)
04/20 14Z,   0.10,   8.10,   7.98,  99.90,  -0.22,
04/20 15Z,   0.10,   8.23,   8.23,  99.90,  -0.10,
04/20 16Z,   0.10,   8.30,   8.38,  99.90,  -0.02,  (max)
04/20 17Z,   0.10,   8.20,   8.19,  99.90,  -0.11,
04/20 18Z,   0.00,   7.70,   7.57,  99.90,  -0.13,
04/20 19Z,   0.00,   6.69,   6.45,  99.90,  -0.24,
04/20 20Z,   0.00,   5.22,   4.97,  99.90,  -0.25,
04/20 21Z,   0.00,   3.54,   3.26,  99.90,  -0.28,
04/20 22Z,   0.00,   1.89,   1.77,  99.90,  -0.12,
04/20 23Z,   0.00,   0.65,   0.90,  99.90,   0.25,
04/21 00Z,   0.10,   0.19,   0.80,  99.90,   0.51,  (min)
04/21 01Z,   0.10,   0.72,   1.48,  99.90,   0.66,
04/21 02Z,   0.10,   2.10,   2.83,  99.90,   0.63,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/21 03Z,   0.10,   3.97,  99.90,   4.65,   0.57,
04/21 04Z,   0.10,   6.00,  99.90,   6.61,   0.52,
04/21 05Z,   0.20,   7.87,  99.90,   8.54,   0.46,
04/21 06Z,   0.20,   9.32,  99.90,   9.93,   0.41,
04/21 07Z,   0.20,  10.16,  99.90,  10.72,   0.35,
04/21 08Z,   0.20,  10.40,  99.90,  10.90,   0.30,  (max)
04/21 09Z,   0.20,  10.19,  99.90,  10.64,   0.24,
04/21 10Z,   0.20,   9.66,  99.90,  10.05,   0.19,
04/21 11Z,   0.20,   8.92,  99.90,   9.25,   0.13,
04/21 12Z,   0.20,   8.17,  99.90,   8.45,   0.08,
04/21 13Z,   0.20,   7.65,  99.90,   7.88,   0.02,
04/21 14Z,   0.20,   7.44,  99.90,   7.61,  -0.03,
04/21 15Z,   0.10,   7.46,  99.90,   7.53,  -0.03,  (min)
04/21 16Z,   0.10,   7.62,  99.90,   7.69,  -0.03,
04/21 17Z,   0.10,   7.83,  99.90,   7.90,  -0.03,
04/21 18Z,   0.10,   7.90,  99.90,   7.97,  -0.03,  (max)
04/21 19Z,   0.10,   7.59,  99.90,   7.66,  -0.03,
04/21 20Z,   0.10,   6.75,  99.90,   6.82,  -0.03,
04/21 21Z,   0.10,   5.45,  99.90,   5.52,  -0.03,
04/21 22Z,   0.10,   3.88,  99.90,   3.95,  -0.03,
04/21 23Z,   0.10,   2.29,  99.90,   2.36,  -0.03,
04/22 00Z,   0.10,   1.05,  99.90,   1.11,  -0.03,
04/22 01Z,   0.10,   0.54,  99.90,   0.61,  -0.03,  (min)
04/22 02Z,   0.10,   0.99,  99.90,   1.06,  -0.03,
04/22 03Z,   0.10,   2.28,  99.90,   2.34,  -0.03,
04/22 04Z,   0.10,   4.10,  99.90,   4.16,  -0.03,
04/22 05Z,   0.10,   6.13,  99.90,   6.20,  -0.03,
04/22 06Z,   0.10,   8.06,  99.90,   8.13,  -0.03,
04/22 07Z,   0.10,   9.55,  99.90,   9.62,  -0.03,
04/22 08Z,   0.00,  10.40,  99.90,  10.37,  -0.03,
04/22 09Z,   0.00,  10.59,  99.90,  10.56,  -0.03,  (max)
04/22 10Z,   0.00,  10.26,  99.90,  10.22,  -0.03,
04/22 11Z,   0.00,   9.50,  99.90,   9.47,  -0.03,
04/22 12Z,   0.00,   8.47,  99.90,   8.44,  -0.03,
04/22 13Z,   0.00,   7.45,  99.90,   7.42,  -0.03,
04/22 14Z,   0.00,   6.73,  99.90,   6.70,  -0.03,
04/22 15Z,   0.00,   6.45,  99.90,   6.42,  -0.03,  (min)
04/22 16Z,   0.00,   6.55,  99.90,   6.52,  -0.03,
04/22 17Z,   0.00,   6.94,  99.90,   6.91,  -0.03,
04/22 18Z,   0.00,   7.47,  99.90,   7.44,  -0.03,
04/22 19Z,   0.00,   7.86,  99.90,   7.82,  -0.03,  (max)
04/22 20Z,   0.00,   7.80,  99.90,   7.77,  -0.03,
04/22 21Z,   0.00,   7.15,  99.90,   7.12,  -0.03,
04/22 22Z,   0.00,   5.97,  99.90,   5.93,  -0.03,
04/22 23Z,   0.00,   4.44,  99.90,   4.40,  -0.03,
04/23 00Z,   0.00,   2.81,  99.90,   2.78,  -0.03,
04/23 01Z,   0.00,   1.48,  99.90,   1.45,  -0.03,
04/23 02Z,   0.00,   0.89,  99.90,   0.86,  -0.03,  (min)
04/23 03Z,   0.10,   1.28,  99.90,   1.35,  -0.03,
04/23 04Z,   0.10,   2.56,  99.90,   2.63,  -0.03,
04/23 05Z,   0.10,   4.44,  99.90,   4.50,  -0.03,
04/23 06Z,   0.10,   6.57,  99.90,   6.64,  -0.03,
04/23 07Z,   0.10,   8.58,  99.90,   8.65,  -0.03,
04/23 08Z,   0.10,  10.07,  99.90,  10.14,  -0.03,
04/23 09Z,   0.10,  10.81,  99.90,  10.87,  -0.03,  (max)
04/23 10Z,   0.10,  10.78,  99.90,  10.85,  -0.03,
04/23 11Z,   0.10,  10.11,  99.90,  10.18,  -0.03,
04/23 12Z,   0.10,   8.94,  99.90,   9.01,  -0.03,
04/23 13Z,   0.10,   7.49,  99.90,   7.56,  -0.03,
04/23 14Z,   0.10,   6.15,  99.90,   6.22,  -0.03,
04/23 15Z,   0.10,   5.30,  99.90,   5.37,  -0.03,
04/23 16Z,   0.10,   5.11,  99.90,   5.18,  -0.03,  (min)
04/23 17Z,   0.10,   5.51,  99.90,   5.58,  -0.03,
04/23 18Z,   0.10,   6.33,  99.90,   6.40,  -0.03,
04/23 19Z,   0.10,   7.32,  99.90,   7.39,  -0.03,
04/23 20Z,   0.10,   8.09,  99.90,   8.16,  -0.03,
04/23 21Z,   0.10,   8.30,  99.90,   8.37,  -0.03,  (max)
04/23 22Z,   0.10,   7.80,  99.90,   7.87,  -0.03,
04/23 23Z,   0.10,   6.68,  99.90,   6.75,  -0.03,
04/24 00Z,   0.10,   5.12,  99.90,   5.19,  -0.03,
04/24 01Z,   0.10,   3.40,  99.90,   3.47,  -0.03,
04/24 02Z,   0.10,   1.98,  99.90,   2.05,  -0.03,
04/24 03Z,   0.10,   1.35,  99.90,   1.42,  -0.03,  (min)
04/24 04Z,   0.20,   1.76,  99.90,   1.93,  -0.03,
04/24 05Z,   0.20,   3.13,  99.90,   3.30,  -0.03,
04/24 06Z,   0.20,   5.14,  99.90,   5.31,  -0.03,
04/24 07Z,   0.20,   7.38,  99.90,   7.55,  -0.03,
04/24 08Z,   0.20,   9.41,  99.90,   9.58,  -0.03,
04/24 09Z,   0.20,  10.76,  99.90,  10.93,  -0.03,
04/24 10Z,   0.20,  11.20,  99.90,  11.37,  -0.03,  (max)
04/24 11Z,   0.20,  10.76,  99.90,  10.92,  -0.03,
04/24 12Z,   0.20,   9.56,  99.90,   9.73,  -0.03,
04/24 13Z,   0.20,   7.83,  99.90,   8.00,  -0.03,
04/24 14Z,   0.20,   5.92,  99.90,   6.09,  -0.03,
04/24 15Z,   0.20,   4.33,  99.90,   4.50,  -0.03,
04/24 16Z,   0.30,   3.52,  99.90,   3.79,  -0.03,  (min)
04/24 17Z,   0.30,   3.63,  99.90,   3.89,  -0.03,
04/24 18Z,   0.30,   4.52,  99.90,   4.79,  -0.03,