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 : 03/05/2026 11:24:59 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/03 12Z,   0.40,  -0.12,   0.08,  99.90,  -0.20,
03/03 13Z,   0.40,   0.65,   0.76,  99.90,  -0.29,  (max)
03/03 14Z,   0.40,   0.40,   0.41,  99.90,  -0.39,
03/03 15Z,   0.40,  -0.81,  -0.68,  99.90,  -0.27,
03/03 16Z,   0.40,  -2.76,  -2.32,  99.90,   0.04,
03/03 17Z,   0.40,  -4.93,  -4.41,  99.90,   0.12,
03/03 18Z,   0.40,  -6.64,  -6.04,  99.90,   0.20,
03/03 19Z,   0.40,  -7.37,  -6.73,  99.90,   0.24,  (min)
03/03 20Z,   0.50,  -7.01,  -6.24,  99.90,   0.27,
03/03 21Z,   0.50,  -5.72,  -4.91,  99.90,   0.31,
03/03 22Z,   0.50,  -3.92,  -3.32,  99.90,   0.10,
03/03 23Z,   0.50,  -2.17,  -1.66,  99.90,   0.01,
03/04 00Z,   0.60,  -1.05,  -0.51,  99.90,  -0.06,
03/04 01Z,   0.60,  -0.91,  -0.42,  99.90,  -0.11,  (max)
03/04 02Z,   0.60,  -1.80,  -1.38,  99.90,  -0.18,
03/04 03Z,   0.60,  -3.58,  -3.11,  99.90,  -0.13,
03/04 04Z,   0.60,  -5.98,  -5.53,  99.90,  -0.15,
03/04 05Z,   0.60,  -8.46,  -8.09,  99.90,  -0.23,
03/04 06Z,   0.70, -10.30, -10.02,  99.90,  -0.42,
03/04 07Z,   0.70, -10.91, -10.71,  99.90,  -0.50,  (min)
03/04 08Z,   0.70, -10.13,  -9.88,  99.90,  -0.45,
03/04 09Z,   0.70,  -8.21,  -7.95,  99.90,  -0.44,
03/04 10Z,   0.70,  -5.61,  -5.33,  99.90,  -0.42,
03/04 11Z,   0.70,  -2.92,  -2.58,  99.90,  -0.36,
03/04 12Z,   0.60,  -0.75,  -0.32,  99.90,  -0.17,
03/04 13Z,   0.60,   0.46,   0.84,  99.90,  -0.22,
03/04 14Z,   0.60,   0.59,   0.93,  99.90,  -0.26,  (max)
03/04 15Z,   0.60,  -0.31,   0.06,  99.90,  -0.23,
03/04 16Z,   0.70,  -2.08,  -1.40,  99.90,  -0.02,
03/04 17Z,   0.70,  -4.38,  -3.53,  99.90,   0.15,
03/04 18Z,   0.60,  -6.59,  -5.72,  99.90,   0.27,
03/04 19Z,   0.60,  -8.03,  -7.09,  99.90,   0.34,
03/04 20Z,   0.60,  -8.33,  -7.39,  99.90,   0.34,  (min)
03/04 21Z,   0.70,  -7.48,  -6.47,  99.90,   0.31,
03/04 22Z,   0.60,  -5.81,  -4.94,  99.90,   0.27,
03/04 23Z,   0.60,  -3.80,  -3.17,  99.90,   0.03,
03/05 00Z,   0.70,  -2.04,  -1.45,  99.90,  -0.11,
03/05 01Z,   0.70,  -1.04,  -0.40,  99.90,  -0.06,  (max)
03/05 02Z,   0.70,  -1.07,  -0.53,  99.90,  -0.16,
03/05 03Z,   0.70,  -2.07,  -1.65,  99.90,  -0.28,
03/05 04Z,   0.70,  -3.86,  -3.33,  99.90,  -0.17,
03/05 05Z,   0.70,  -6.10,  -5.67,  99.90,  -0.27,
03/05 06Z,   0.70,  -8.23,  -7.89,  99.90,  -0.36,
03/05 07Z,   0.70,  -9.57,  -9.36,  99.90,  -0.49,
03/05 08Z,   0.70,  -9.67,  -9.49,  99.90,  -0.52,  (min)
03/05 09Z,   0.70,  -8.51,  -8.27,  99.90,  -0.46,
03/05 10Z,   0.70,  -6.43,  -6.32,  99.90,  -0.59,
03/05 11Z,   0.70,  -3.93,  -3.81,  99.90,  -0.58,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/05 12Z,   0.70,  -1.59,  99.90,  -1.43,  -0.54,
03/05 13Z,   0.70,   0.03,  99.90,   0.23,  -0.50,
03/05 14Z,   0.60,   0.59,  99.90,   0.73,  -0.46,  (max)
03/05 15Z,   0.60,   0.04,  99.90,   0.23,  -0.41,
03/05 16Z,   0.60,  -1.46,  99.90,  -1.23,  -0.37,
03/05 17Z,   0.60,  -3.66,  99.90,  -3.39,  -0.33,
03/05 18Z,   0.60,  -6.11,  99.90,  -5.79,  -0.29,
03/05 19Z,   0.50,  -8.14,  99.90,  -7.89,  -0.25,
03/05 20Z,   0.50,  -9.16,  99.90,  -8.86,  -0.20,  (min)
03/05 21Z,   0.50,  -8.94,  99.90,  -8.60,  -0.16,
03/05 22Z,   0.50,  -7.64,  99.90,  -7.26,  -0.12,
03/05 23Z,   0.50,  -5.69,  99.90,  -5.27,  -0.08,
03/06 00Z,   0.40,  -3.59,  99.90,  -3.27,  -0.08,
03/06 01Z,   0.40,  -1.92,  99.90,  -1.60,  -0.08,
03/06 02Z,   0.40,  -1.11,  99.90,  -0.79,  -0.08,  (max)
03/06 03Z,   0.40,  -1.29,  99.90,  -0.97,  -0.08,
03/06 04Z,   0.40,  -2.35,  99.90,  -2.03,  -0.08,
03/06 05Z,   0.40,  -4.04,  99.90,  -3.72,  -0.08,
03/06 06Z,   0.40,  -5.99,  99.90,  -5.67,  -0.08,
03/06 07Z,   0.30,  -7.66,  99.90,  -7.44,  -0.08,
03/06 08Z,   0.30,  -8.47,  99.90,  -8.25,  -0.08,  (min)
03/06 09Z,   0.30,  -8.11,  99.90,  -7.89,  -0.08,
03/06 10Z,   0.30,  -6.73,  99.90,  -6.50,  -0.08,
03/06 11Z,   0.30,  -4.69,  99.90,  -4.47,  -0.08,
03/06 12Z,   0.30,  -2.49,  99.90,  -2.27,  -0.08,
03/06 13Z,   0.30,  -0.66,  99.90,  -0.44,  -0.08,
03/06 14Z,   0.30,   0.31,  99.90,   0.53,  -0.08,  (max)
03/06 15Z,   0.30,   0.20,  99.90,   0.42,  -0.08,
03/06 16Z,   0.30,  -0.96,  99.90,  -0.73,  -0.08,
03/06 17Z,   0.30,  -2.91,  99.90,  -2.69,  -0.08,
03/06 18Z,   0.30,  -5.34,  99.90,  -5.11,  -0.08,
03/06 19Z,   0.30,  -7.71,  99.90,  -7.49,  -0.08,
03/06 20Z,   0.30,  -9.39,  99.90,  -9.17,  -0.08,
03/06 21Z,   0.20,  -9.89,  99.90,  -9.77,  -0.08,  (min)
03/06 22Z,   0.20,  -9.17,  99.90,  -9.05,  -0.08,
03/06 23Z,   0.20,  -7.52,  99.90,  -7.40,  -0.08,
03/07 00Z,   0.20,  -5.41,  99.90,  -5.29,  -0.08,
03/07 01Z,   0.20,  -3.35,  99.90,  -3.23,  -0.08,
03/07 02Z,   0.20,  -1.85,  99.90,  -1.73,  -0.08,
03/07 03Z,   0.20,  -1.24,  99.90,  -1.11,  -0.08,  (max)
03/07 04Z,   0.20,  -1.54,  99.90,  -1.41,  -0.08,
03/07 05Z,   0.20,  -2.56,  99.90,  -2.44,  -0.08,
03/07 06Z,   0.20,  -4.04,  99.90,  -3.91,  -0.08,
03/07 07Z,   0.20,  -5.61,  99.90,  -5.49,  -0.08,
03/07 08Z,   0.20,  -6.79,  99.90,  -6.67,  -0.08,
03/07 09Z,   0.30,  -7.12,  99.90,  -6.89,  -0.08,  (min)
03/07 10Z,   0.30,  -6.46,  99.90,  -6.24,  -0.08,
03/07 11Z,   0.30,  -5.05,  99.90,  -4.82,  -0.08,
03/07 12Z,   0.30,  -3.25,  99.90,  -3.03,  -0.08,
03/07 13Z,   0.30,  -1.51,  99.90,  -1.29,  -0.08,
03/07 14Z,   0.30,  -0.28,  99.90,  -0.06,  -0.08,
03/07 15Z,   0.30,   0.06,  99.90,   0.28,  -0.08,  (max)
03/07 16Z,   0.30,  -0.64,  99.90,  -0.42,  -0.08,
03/07 17Z,   0.30,  -2.24,  99.90,  -2.02,  -0.08,
03/07 18Z,   0.30,  -4.45,  99.90,  -4.22,  -0.08,
03/07 19Z,   0.30,  -6.87,  99.90,  -6.65,  -0.08,
03/07 20Z,   0.30,  -8.98,  99.90,  -8.76,  -0.08,
03/07 21Z,   0.30, -10.19,  99.90,  -9.97,  -0.08,  (min)
03/07 22Z,   0.30, -10.18,  99.90,  -9.96,  -0.08,
03/07 23Z,   0.30,  -9.06,  99.90,  -8.84,  -0.08,
03/08 00Z,   0.30,  -7.21,  99.90,  -6.98,  -0.08,
03/08 01Z,   0.30,  -5.08,  99.90,  -4.86,  -0.08,
03/08 02Z,   0.30,  -3.16,  99.90,  -2.94,  -0.08,
03/08 03Z,   0.30,  -1.86,  99.90,  -1.64,  -0.08,
03/08 04Z,   0.40,  -1.41,  99.90,  -1.09,  -0.08,  (max)
03/08 05Z,   0.40,  -1.75,  99.90,  -1.43,  -0.08,
03/08 06Z,   0.40,  -2.64,  99.90,  -2.32,  -0.08,
03/08 07Z,   0.30,  -3.82,  99.90,  -3.60,  -0.08,
03/08 08Z,   0.30,  -4.98,  99.90,  -4.76,  -0.08,
03/08 09Z,   0.30,  -5.71,  99.90,  -5.49,  -0.08,  (min)
03/08 10Z,   0.30,  -5.70,  99.90,  -5.48,  -0.08,
03/08 11Z,   0.40,  -4.95,  99.90,  -4.63,  -0.08,
03/08 12Z,   0.40,  -3.71,  99.90,  -3.38,  -0.08,
03/08 13Z,   0.40,  -2.31,  99.90,  -1.99,  -0.08,
03/08 14Z,   0.40,  -1.10,  99.90,  -0.77,  -0.08,
03/08 15Z,   0.50,  -0.44,  99.90,  -0.01,  -0.08,  (max)
03/08 16Z,   0.50,  -0.63,  99.90,  -0.21,  -0.08,
03/08 17Z,   0.50,  -1.74,  99.90,  -1.32,  -0.08,
03/08 18Z,   0.50,  -3.57,  99.90,  -3.15,  -0.08,
03/08 19Z,   0.50,  -5.80,  99.90,  -5.38,  -0.08,
03/08 20Z,   0.50,  -8.04,  99.90,  -7.62,  -0.08,
03/08 21Z,   0.50,  -9.77,  99.90,  -9.35,  -0.08,
03/08 22Z,   0.60, -10.52,  99.90, -10.00,  -0.08,  (min)
03/08 23Z,   0.60, -10.10,  99.90,  -9.58,  -0.08,
03/09 00Z,   0.60,  -8.74,  99.90,  -8.22,  -0.08,