ETSS stn

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.
#Seattle, WA : 04/28/2025 23:23:35 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/27 06Z,   0.40,  -9.43,  -9.12,  99.90,  -0.09,  (min)
04/27 07Z,   0.40,  -8.53,  -8.15,  99.90,  -0.02,
04/27 08Z,   0.40,  -6.77,  -6.39,  99.90,  -0.02,
04/27 09Z,   0.40,  -4.62,  -4.32,  99.90,  -0.10,
04/27 10Z,   0.40,  -2.69,  -2.41,  99.90,  -0.12,
04/27 11Z,   0.40,  -1.55,  -1.21,  99.90,  -0.06,  (max)
04/27 12Z,   0.30,  -1.60,  -1.33,  99.90,  -0.03,
04/27 13Z,   0.30,  -2.89,  -2.66,  99.90,  -0.07,
04/27 14Z,   0.30,  -5.21,  -4.83,  99.90,   0.08,
04/27 15Z,   0.30,  -8.19,  -7.92,  99.90,  -0.03,
04/27 16Z,   0.20, -11.32, -11.12,  99.90,  -0.00,
04/27 17Z,   0.20, -13.86, -13.62,  99.90,   0.04,
04/27 18Z,   0.30, -15.11, -15.02,  99.90,  -0.21,  (min)
04/27 19Z,   0.30, -14.71, -14.56,  99.90,  -0.15,
04/27 20Z,   0.30, -12.86, -12.66,  99.90,  -0.10,
04/27 21Z,   0.30, -10.09, -10.07,  99.90,  -0.28,
04/27 22Z,   0.20,  -7.04,  -7.14,  99.90,  -0.30,
04/27 23Z,   0.20,  -4.38,  -4.63,  99.90,  -0.45,
04/28 00Z,   0.20,  -2.63,  -3.09,  99.90,  -0.66,
04/28 01Z,   0.20,  -2.00,  -2.59,  99.90,  -0.79,  (max)
04/28 02Z,   0.20,  -2.41,  -3.10,  99.90,  -0.89,
04/28 03Z,   0.20,  -3.62,  -4.11,  99.90,  -0.69,
04/28 04Z,   0.20,  -5.34,  -5.55,  99.90,  -0.41,
04/28 05Z,   0.20,  -7.07,  -7.19,  99.90,  -0.32,
04/28 06Z,   0.10,  -8.20,  -8.19,  99.90,  -0.09,  (min)
04/28 07Z,   0.10,  -8.27,  -8.12,  99.90,   0.05,
04/28 08Z,   0.10,  -7.26,  -7.06,  99.90,   0.10,
04/28 09Z,   0.10,  -5.52,  -5.33,  99.90,   0.09,
04/28 10Z,   0.10,  -3.58,  -3.45,  99.90,   0.03,
04/28 11Z,   0.10,  -2.03,  -1.90,  99.90,   0.03,
04/28 12Z,   0.00,  -1.40,  -1.26,  99.90,   0.14,  (max)
04/28 13Z,   0.00,  -2.01,  -1.98,  99.90,   0.03,
04/28 14Z,   0.00,  -3.85,  -3.72,  99.90,   0.13,
04/28 15Z,   0.00,  -6.63,  -6.48,  99.90,   0.15,
04/28 16Z,   0.00,  -9.92,  -9.93,  99.90,  -0.01,
04/28 17Z,   0.00, -13.12, -13.14,  99.90,  -0.02,
04/28 18Z,   0.00, -15.47, -15.54,  99.90,  -0.07,
04/28 19Z,   0.00, -16.28, -16.50,  99.90,  -0.22,  (min)
04/28 20Z,   0.00, -15.33, -15.35,  99.90,  -0.02,
04/28 21Z,   0.00, -12.96, -13.04,  99.90,  -0.08,
04/28 22Z,   0.00,  -9.79, -10.01,  99.90,  -0.22,
04/28 23Z,   0.00,  -6.52,  -6.90,  99.90,  -0.38,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/29 00Z,   0.00,  -3.80,  99.90,  -4.16,  -0.36,
04/29 01Z,   0.00,  -2.10,  99.90,  -2.43,  -0.33,
04/29 02Z,   0.00,  -1.53,  99.90,  -1.84,  -0.31,  (max)
04/29 03Z,   0.00,  -1.96,  99.90,  -2.25,  -0.29,
04/29 04Z,   0.00,  -3.15,  99.90,  -3.41,  -0.26,
04/29 05Z,   0.00,  -4.78,  99.90,  -5.02,  -0.24,
04/29 06Z,   0.00,  -6.35,  99.90,  -6.57,  -0.22,
04/29 07Z,   0.00,  -7.29,  99.90,  -7.48,  -0.19,  (min)
04/29 08Z,   0.00,  -7.21,  99.90,  -7.39,  -0.17,
04/29 09Z,   0.00,  -6.19,  99.90,  -6.34,  -0.15,
04/29 10Z,   0.00,  -4.60,  99.90,  -4.73,  -0.12,
04/29 11Z,   0.00,  -2.97,  99.90,  -3.07,  -0.10,
04/29 12Z,   0.00,  -1.84,  99.90,  -1.94,  -0.10,
04/29 13Z,   0.00,  -1.68,  99.90,  -1.78,  -0.10,  (max)
04/29 14Z,   0.00,  -2.75,  99.90,  -2.85,  -0.10,
04/29 15Z,   0.00,  -4.95,  99.90,  -5.06,  -0.10,
04/29 16Z,   0.00,  -7.97,  99.90,  -8.07,  -0.10,
04/29 17Z,   0.00, -11.33,  99.90, -11.43,  -0.10,
04/29 18Z,   0.00, -14.40,  99.90, -14.50,  -0.10,
04/29 19Z,   0.10, -16.40,  99.90, -16.40,  -0.10,
04/29 20Z,   0.10, -16.74,  99.90, -16.74,  -0.10,  (min)
04/29 21Z,   0.10, -15.34,  99.90, -15.34,  -0.10,
04/29 22Z,   0.10, -12.63,  99.90, -12.63,  -0.10,
04/29 23Z,   0.10,  -9.30,  99.90,  -9.30,  -0.10,
04/30 00Z,   0.10,  -6.03,  99.90,  -6.03,  -0.10,
04/30 01Z,   0.10,  -3.41,  99.90,  -3.41,  -0.10,
04/30 02Z,   0.10,  -1.83,  99.90,  -1.83,  -0.10,
04/30 03Z,   0.10,  -1.34,  99.90,  -1.34,  -0.10,  (max)
04/30 04Z,   0.10,  -1.77,  99.90,  -1.77,  -0.10,
04/30 05Z,   0.10,  -2.88,  99.90,  -2.89,  -0.10,
04/30 06Z,   0.10,  -4.38,  99.90,  -4.38,  -0.10,
04/30 07Z,   0.10,  -5.78,  99.90,  -5.78,  -0.10,
04/30 08Z,   0.10,  -6.55,  99.90,  -6.55,  -0.10,  (min)
04/30 09Z,   0.10,  -6.40,  99.90,  -6.40,  -0.10,
04/30 10Z,   0.10,  -5.47,  99.90,  -5.47,  -0.10,
04/30 11Z,   0.10,  -4.13,  99.90,  -4.13,  -0.10,
04/30 12Z,   0.10,  -2.85,  99.90,  -2.85,  -0.10,
04/30 13Z,   0.10,  -2.11,  99.90,  -2.11,  -0.10,  (max)
04/30 14Z,   0.00,  -2.31,  99.90,  -2.41,  -0.10,
04/30 15Z,   0.00,  -3.65,  99.90,  -3.75,  -0.10,
04/30 16Z,   0.00,  -6.00,  99.90,  -6.10,  -0.10,
04/30 17Z,   0.00,  -9.01,  99.90,  -9.11,  -0.10,
04/30 18Z,   0.00, -12.23,  99.90, -12.33,  -0.10,
04/30 19Z,   0.00, -15.01,  99.90, -15.11,  -0.10,
04/30 20Z,   0.00, -16.61,  99.90, -16.71,  -0.10,  (min)
04/30 21Z,   0.00, -16.54,  99.90, -16.64,  -0.10,
04/30 22Z,   0.00, -14.85,  99.90, -14.95,  -0.10,
04/30 23Z,   0.00, -12.05,  99.90, -12.15,  -0.10,
05/01 00Z,   0.00,  -8.78,  99.90,  -8.88,  -0.10,
05/01 01Z,   0.00,  -5.68,  99.90,  -5.78,  -0.10,
05/01 02Z,   0.00,  -3.26,  99.90,  -3.37,  -0.10,
05/01 03Z,   0.00,  -1.84,  99.90,  -1.94,  -0.10,
05/01 04Z,   0.00,  -1.41,  99.90,  -1.51,  -0.10,  (max)
05/01 05Z,   0.00,  -1.80,  99.90,  -1.90,  -0.10,
05/01 06Z,   0.00,  -2.80,  99.90,  -2.90,  -0.10,
05/01 07Z,   0.00,  -4.15,  99.90,  -4.25,  -0.10,
05/01 08Z,   0.00,  -5.38,  99.90,  -5.48,  -0.10,
05/01 09Z,   0.10,  -6.04,  99.90,  -6.04,  -0.10,  (min)
05/01 10Z,   0.10,  -5.93,  99.90,  -5.93,  -0.10,
05/01 11Z,   0.00,  -5.18,  99.90,  -5.28,  -0.10,
05/01 12Z,   0.00,  -4.14,  99.90,  -4.24,  -0.10,
05/01 13Z,   0.00,  -3.19,  99.90,  -3.29,  -0.10,
05/01 14Z,   0.10,  -2.73,  99.90,  -2.73,  -0.10,  (max)
05/01 15Z,   0.10,  -3.14,  99.90,  -3.14,  -0.10,
05/01 16Z,   0.10,  -4.55,  99.90,  -4.55,  -0.10,
05/01 17Z,   0.10,  -6.82,  99.90,  -6.82,  -0.10,
05/01 18Z,   0.10,  -9.64,  99.90,  -9.64,  -0.10,
05/01 19Z,   0.10, -12.56,  99.90, -12.56,  -0.10,
05/01 20Z,   0.10, -14.96,  99.90, -14.96,  -0.10,
05/01 21Z,   0.10, -16.17,  99.90, -16.17,  -0.10,  (min)
05/01 22Z,   0.10, -15.83,  99.90, -15.83,  -0.10,
05/01 23Z,   0.10, -14.06,  99.90, -14.06,  -0.10,
05/02 00Z,   0.10, -11.37,  99.90, -11.37,  -0.10,
05/02 01Z,   0.10,  -8.34,  99.90,  -8.34,  -0.10,
05/02 02Z,   0.10,  -5.52,  99.90,  -5.52,  -0.10,
05/02 03Z,   0.10,  -3.35,  99.90,  -3.35,  -0.10,
05/02 04Z,   0.10,  -2.07,  99.90,  -2.07,  -0.10,
05/02 05Z,   0.20,  -1.66,  99.90,  -1.56,  -0.10,  (max)
05/02 06Z,   0.20,  -1.97,  99.90,  -1.87,  -0.10,
05/02 07Z,   0.20,  -2.85,  99.90,  -2.75,  -0.10,
05/02 08Z,   0.20,  -4.05,  99.90,  -3.95,  -0.10,
05/02 09Z,   0.20,  -5.17,  99.90,  -5.07,  -0.10,
05/02 10Z,   0.20,  -5.81,  99.90,  -5.72,  -0.10,
05/02 11Z,   0.20,  -5.82,  99.90,  -5.73,  -0.10,  (min)
05/02 12Z,   0.20,  -5.33,  99.90,  -5.23,  -0.10,
05/02 13Z,   0.20,  -4.59,  99.90,  -4.49,  -0.10,
05/02 14Z,   0.20,  -3.89,  99.90,  -3.79,  -0.10,
05/02 15Z,   0.20,  -3.59,  99.90,  -3.49,  -0.10,  (max)
05/02 16Z,   0.20,  -4.03,  99.90,  -3.93,  -0.10,
05/02 17Z,   0.20,  -5.32,  99.90,  -5.22,  -0.10,
05/02 18Z,   0.20,  -7.34,  99.90,  -7.24,  -0.10,