ETSS stn

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The data located HERE are considered OPERATIONAL and are supported on a 24x7 basis.
#Seattle, WA : 02/07/2026 08:21:59 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/05 12Z,   0.40,  -6.56,  -6.56,  99.90,  -0.40,
02/05 13Z,   0.40,  -3.96,  -3.92,  99.90,  -0.36,
02/05 14Z,   0.40,  -1.99,  -2.01,  99.90,  -0.42,
02/05 15Z,   0.40,  -1.03,  -1.09,  99.90,  -0.46,  (max)
02/05 16Z,   0.40,  -1.17,  -1.27,  99.90,  -0.50,
02/05 17Z,   0.40,  -2.28,  -2.17,  99.90,  -0.29,
02/05 18Z,   0.30,  -4.15,  -3.67,  99.90,   0.18,
02/05 19Z,   0.30,  -6.39,  -5.87,  99.90,   0.22,
02/05 20Z,   0.30,  -8.43,  -7.85,  99.90,   0.28,
02/05 21Z,   0.30,  -9.68,  -9.09,  99.90,   0.29,
02/05 22Z,   0.30,  -9.85,  -9.26,  99.90,   0.29,  (min)
02/05 23Z,   0.30,  -9.05,  -8.46,  99.90,   0.29,
02/06 00Z,   0.30,  -7.60,  -7.18,  99.90,   0.12,
02/06 01Z,   0.30,  -5.94,  -5.59,  99.90,   0.05,
02/06 02Z,   0.40,  -4.55,  -4.21,  99.90,  -0.06,
02/06 03Z,   0.40,  -3.88,  -3.49,  99.90,  -0.01,  (max)
02/06 04Z,   0.40,  -4.11,  -3.76,  99.90,  -0.05,
02/06 05Z,   0.40,  -5.17,  -4.80,  99.90,  -0.03,
02/06 06Z,   0.50,  -6.80,  -6.36,  99.90,  -0.06,
02/06 07Z,   0.50,  -8.67,  -8.32,  99.90,  -0.15,
02/06 08Z,   0.50, -10.30, -10.03,  99.90,  -0.23,
02/06 09Z,   0.60, -11.12, -10.90,  99.90,  -0.38,  (min)
02/06 10Z,   0.60, -10.79, -10.57,  99.90,  -0.38,
02/06 11Z,   0.60,  -9.41,  -9.18,  99.90,  -0.37,
02/06 12Z,   0.60,  -7.33,  -7.18,  99.90,  -0.45,
02/06 13Z,   0.60,  -5.01,  -4.77,  99.90,  -0.36,
02/06 14Z,   0.60,  -2.92,  -2.61,  99.90,  -0.29,
02/06 15Z,   0.60,  -1.56,  -1.27,  99.90,  -0.31,
02/06 16Z,   0.60,  -1.21,  -0.94,  99.90,  -0.33,  (max)
02/06 17Z,   0.60,  -1.90,  -1.62,  99.90,  -0.32,
02/06 18Z,   0.50,  -3.43,  -2.92,  99.90,   0.01,
02/06 19Z,   0.50,  -5.53,  -4.93,  99.90,   0.10,
02/06 20Z,   0.50,  -7.79,  -7.26,  99.90,   0.03,
02/06 21Z,   0.50,  -9.63,  -9.09,  99.90,   0.04,
02/06 22Z,   0.60, -10.57, -10.05,  99.90,  -0.08,  (min)
02/06 23Z,   0.60, -10.44,  -9.93,  99.90,  -0.09,
02/07 00Z,   0.60,  -9.44,  -9.00,  99.90,  -0.16,
02/07 01Z,   0.60,  -7.92,  -7.70,  99.90,  -0.38,
02/07 02Z,   0.60,  -6.28,  -6.14,  99.90,  -0.46,
02/07 03Z,   0.60,  -4.97,  -4.80,  99.90,  -0.43,
02/07 04Z,   0.60,  -4.36,  -4.17,  99.90,  -0.41,  (max)
02/07 05Z,   0.60,  -4.54,  -4.35,  99.90,  -0.41,
02/07 06Z,   0.60,  -5.38,  -5.14,  99.90,  -0.36,
02/07 07Z,   0.60,  -6.64,  -6.26,  99.90,  -0.22,
02/07 08Z,   0.60,  -8.01,  -7.62,  99.90,  -0.21,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/07 09Z,   0.60,  -9.09,  99.90,  -8.69,  -0.20,
02/07 10Z,   0.60,  -9.43,  99.90,  -9.03,  -0.20,  (min)
02/07 11Z,   0.60,  -8.85,  99.90,  -8.45,  -0.20,
02/07 12Z,   0.60,  -7.51,  99.90,  -7.11,  -0.20,
02/07 13Z,   0.60,  -5.73,  99.90,  -5.33,  -0.20,
02/07 14Z,   0.60,  -3.89,  99.90,  -3.49,  -0.20,
02/07 15Z,   0.60,  -2.39,  99.90,  -1.98,  -0.19,
02/07 16Z,   0.60,  -1.62,  99.90,  -1.21,  -0.19,  (max)
02/07 17Z,   0.60,  -1.82,  99.90,  -1.41,  -0.19,
02/07 18Z,   0.70,  -2.92,  99.90,  -2.41,  -0.19,
02/07 19Z,   0.70,  -4.71,  99.90,  -4.19,  -0.19,
02/07 20Z,   0.70,  -6.87,  99.90,  -6.36,  -0.19,
02/07 21Z,   0.70,  -9.00,  99.90,  -8.49,  -0.19,
02/07 22Z,   0.70, -10.57,  99.90, -10.06,  -0.19,
02/07 23Z,   0.70, -11.19,  99.90, -10.68,  -0.19,  (min)
02/08 00Z,   0.70, -10.82,  99.90, -10.31,  -0.19,
02/08 01Z,   0.70,  -9.71,  99.90,  -9.19,  -0.19,
02/08 02Z,   0.70,  -8.18,  99.90,  -7.67,  -0.19,
02/08 03Z,   0.70,  -6.60,  99.90,  -6.09,  -0.19,
02/08 04Z,   0.70,  -5.35,  99.90,  -4.84,  -0.19,
02/08 05Z,   0.70,  -4.73,  99.90,  -4.22,  -0.19,  (max)
02/08 06Z,   0.70,  -4.78,  99.90,  -4.26,  -0.19,
02/08 07Z,   0.70,  -5.31,  99.90,  -4.80,  -0.19,
02/08 08Z,   0.70,  -6.14,  99.90,  -5.62,  -0.19,
02/08 09Z,   0.70,  -7.02,  99.90,  -6.50,  -0.19,
02/08 10Z,   0.70,  -7.64,  99.90,  -7.12,  -0.19,
02/08 11Z,   0.70,  -7.68,  99.90,  -7.17,  -0.19,  (min)
02/08 12Z,   0.70,  -7.07,  99.90,  -6.55,  -0.19,
02/08 13Z,   0.70,  -5.96,  99.90,  -5.45,  -0.19,
02/08 14Z,   0.60,  -4.63,  99.90,  -4.21,  -0.19,
02/08 15Z,   0.60,  -3.33,  99.90,  -2.91,  -0.19,
02/08 16Z,   0.60,  -2.38,  99.90,  -1.96,  -0.19,
02/08 17Z,   0.60,  -2.11,  99.90,  -1.70,  -0.19,  (max)
02/08 18Z,   0.50,  -2.70,  99.90,  -2.38,  -0.19,
02/08 19Z,   0.50,  -4.04,  99.90,  -3.72,  -0.19,
02/08 20Z,   0.50,  -5.90,  99.90,  -5.59,  -0.19,
02/08 21Z,   0.50,  -7.99,  99.90,  -7.68,  -0.19,
02/08 22Z,   0.50,  -9.92,  99.90,  -9.60,  -0.19,
02/08 23Z,   0.50, -11.21,  99.90, -10.89,  -0.19,
02/09 00Z,   0.50, -11.58,  99.90, -11.27,  -0.19,  (min)
02/09 01Z,   0.50, -11.07,  99.90, -10.75,  -0.19,
02/09 02Z,   0.50,  -9.92,  99.90,  -9.61,  -0.19,
02/09 03Z,   0.50,  -8.42,  99.90,  -8.11,  -0.19,
02/09 04Z,   0.50,  -6.88,  99.90,  -6.57,  -0.19,
02/09 05Z,   0.50,  -5.64,  99.90,  -5.33,  -0.19,
02/09 06Z,   0.50,  -4.94,  99.90,  -4.63,  -0.19,
02/09 07Z,   0.50,  -4.76,  99.90,  -4.45,  -0.19,  (max)
02/09 08Z,   0.50,  -4.95,  99.90,  -4.63,  -0.19,
02/09 09Z,   0.50,  -5.36,  99.90,  -5.04,  -0.19,
02/09 10Z,   0.50,  -5.84,  99.90,  -5.53,  -0.19,
02/09 11Z,   0.50,  -6.18,  99.90,  -5.86,  -0.19,  (min)
02/09 12Z,   0.50,  -6.14,  99.90,  -5.82,  -0.19,
02/09 13Z,   0.50,  -5.69,  99.90,  -5.37,  -0.19,
02/09 14Z,   0.50,  -4.96,  99.90,  -4.64,  -0.19,
02/09 15Z,   0.50,  -4.10,  99.90,  -3.79,  -0.19,
02/09 16Z,   0.50,  -3.28,  99.90,  -2.97,  -0.19,
02/09 17Z,   0.50,  -2.76,  99.90,  -2.45,  -0.19,  (max)
02/09 18Z,   0.50,  -2.84,  99.90,  -2.52,  -0.19,
02/09 19Z,   0.50,  -3.63,  99.90,  -3.31,  -0.19,
02/09 20Z,   0.40,  -5.04,  99.90,  -4.82,  -0.19,
02/09 21Z,   0.40,  -6.84,  99.90,  -6.63,  -0.19,
02/09 22Z,   0.40,  -8.79,  99.90,  -8.58,  -0.19,
02/09 23Z,   0.40, -10.51,  99.90, -10.30,  -0.19,
02/10 00Z,   0.40, -11.60,  99.90, -11.39,  -0.19,
02/10 01Z,   0.40, -11.83,  99.90, -11.62,  -0.19,  (min)
02/10 02Z,   0.40, -11.27,  99.90, -11.05,  -0.19,
02/10 03Z,   0.40, -10.12,  99.90,  -9.91,  -0.19,
02/10 04Z,   0.40,  -8.64,  99.90,  -8.43,  -0.19,
02/10 05Z,   0.40,  -7.10,  99.90,  -6.88,  -0.19,
02/10 06Z,   0.40,  -5.80,  99.90,  -5.58,  -0.19,
02/10 07Z,   0.40,  -4.94,  99.90,  -4.72,  -0.19,
02/10 08Z,   0.40,  -4.49,  99.90,  -4.28,  -0.19,
02/10 09Z,   0.40,  -4.35,  99.90,  -4.14,  -0.19,  (max)
02/10 10Z,   0.40,  -4.44,  99.90,  -4.23,  -0.19,
02/10 11Z,   0.40,  -4.70,  99.90,  -4.48,  -0.19,
02/10 12Z,   0.40,  -4.95,  99.90,  -4.74,  -0.19,
02/10 13Z,   0.40,  -5.02,  99.90,  -4.81,  -0.19,  (min)
02/10 14Z,   0.40,  -4.86,  99.90,  -4.65,  -0.19,
02/10 15Z,   0.40,  -4.53,  99.90,  -4.32,  -0.19,
02/10 16Z,   0.40,  -4.08,  99.90,  -3.86,  -0.19,
02/10 17Z,   0.40,  -3.60,  99.90,  -3.38,  -0.19,
02/10 18Z,   0.50,  -3.33,  99.90,  -3.01,  -0.19,  (max)
02/10 19Z,   0.50,  -3.55,  99.90,  -3.24,  -0.19,
02/10 20Z,   0.50,  -4.39,  99.90,  -4.08,  -0.19,
02/10 21Z,   0.50,  -5.75,  99.90,  -5.44,  -0.19,
02/10 22Z,   0.50,  -7.46,  99.90,  -7.15,  -0.19,
02/10 23Z,   0.50,  -9.29,  99.90,  -8.98,  -0.19,
02/11 00Z,   0.50, -10.90,  99.90, -10.58,  -0.19,