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.
#Ketchikan, AK : 04/18/2026 15:22:41 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/17 00Z,  -0.30,  -8.18,  -8.69,  99.90,  -0.21,
04/17 01Z,  -0.30, -12.02, -12.57,  99.90,  -0.25,
04/17 02Z,  -0.40, -14.61, -15.17,  99.90,  -0.16,
04/17 03Z,  -0.40, -15.21, -15.75,  99.90,  -0.14,  (min)
04/17 04Z,  -0.50, -13.63, -14.12,  99.90,   0.01,
04/17 05Z,  -0.50, -10.31, -10.81,  99.90,  -0.00,
04/17 06Z,  -0.40,  -6.09,  -6.53,  99.90,  -0.04,
04/17 07Z,  -0.50,  -2.01,  -2.45,  99.90,   0.06,
04/17 08Z,  -0.60,   0.94,   0.58,  99.90,   0.24,
04/17 09Z,  -0.60,   2.03,   1.71,  99.90,   0.28,  (max)
04/17 10Z,  -0.60,   0.90,   0.52,  99.90,   0.22,
04/17 11Z,  -0.50,  -2.32,  -2.77,  99.90,   0.05,
04/17 12Z,  -0.50,  -6.95,  -7.50,  99.90,  -0.05,
04/17 13Z,  -0.50, -11.89, -12.42,  99.90,  -0.03,
04/17 14Z,  -0.50, -15.90, -16.36,  99.90,   0.04,
04/17 15Z,  -0.50, -17.94, -18.32,  99.90,   0.12,  (min)
04/17 16Z,  -0.50, -17.55, -17.93,  99.90,   0.12,
04/17 17Z,  -0.50, -14.90, -15.38,  99.90,   0.02,
04/17 18Z,  -0.50, -10.74, -11.31,  99.90,  -0.07,
04/17 19Z,  -0.50,  -6.15,  -6.78,  99.90,  -0.13,
04/17 20Z,  -0.50,  -2.22,  -2.77,  99.90,  -0.05,
04/17 21Z,  -0.50,   0.13,  -0.34,  99.90,   0.03,
04/17 22Z,  -0.40,   0.37,   0.01,  99.90,   0.04,  (max)
04/17 23Z,  -0.40,  -1.54,  -1.90,  99.90,   0.04,
04/18 00Z,  -0.30,  -5.08,  -5.42,  99.90,  -0.04,
04/18 01Z,  -0.30,  -9.26,  -9.68,  99.90,  -0.12,
04/18 02Z,  -0.30, -12.88, -13.27,  99.90,  -0.09,
04/18 03Z,  -0.30, -14.85, -15.17,  99.90,  -0.02,  (min)
04/18 04Z,  -0.30, -14.61, -14.81,  99.90,   0.10,
04/18 05Z,  -0.30, -12.22, -12.31,  99.90,   0.21,
04/18 06Z,  -0.40,  -8.32,  -8.32,  99.90,   0.40,
04/18 07Z,  -0.40,  -3.92,  -3.86,  99.90,   0.46,
04/18 08Z,  -0.40,  -0.07,  -0.05,  99.90,   0.42,
04/18 09Z,  -0.30,   2.29,   2.28,  99.90,   0.29,
04/18 10Z,  -0.30,   2.52,   2.45,  99.90,   0.23,  (max)
04/18 11Z,  -0.30,   0.43,   0.29,  99.90,   0.16,
04/18 12Z,  -0.20,  -3.63,  -3.91,  99.90,  -0.08,
04/18 13Z,  -0.20,  -8.81,  -9.09,  99.90,  -0.08,
04/18 14Z,  -0.20, -13.84, -14.01,  99.90,   0.03,
04/18 15Z,  -0.20, -17.49, -17.52,  99.90,   0.17,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/18 16Z,  -0.20, -18.85,  99.90, -18.89,   0.17,  (min)
04/18 17Z,  -0.20, -17.67,  99.90, -17.71,   0.16,
04/18 18Z,  -0.20, -14.36,  99.90, -14.41,   0.15,
04/18 19Z,  -0.20,  -9.82,  99.90,  -9.88,   0.15,
04/18 20Z,  -0.10,  -5.19,  99.90,  -5.15,   0.14,
04/18 21Z,  -0.10,  -1.53,  99.90,  -1.50,   0.13,
04/18 22Z,  -0.10,   0.33,  99.90,   0.36,   0.13,  (max)
04/18 23Z,  -0.10,   0.01,  99.90,   0.03,   0.12,
04/19 00Z,  -0.10,  -2.38,  99.90,  -2.37,   0.12,
04/19 01Z,   0.00,  -6.15,  99.90,  -6.04,   0.11,
04/19 02Z,   0.00, -10.18,  99.90, -10.08,   0.10,
04/19 03Z,   0.00, -13.28,  99.90, -13.18,   0.10,
04/19 04Z,   0.00, -14.49,  99.90, -14.39,   0.10,  (min)
04/19 05Z,   0.00, -13.47,  99.90, -13.37,   0.10,
04/19 06Z,  -0.10, -10.50,  99.90, -10.50,   0.10,
04/19 07Z,  -0.10,  -6.37,  99.90,  -6.37,   0.10,
04/19 08Z,  -0.20,  -2.12,  99.90,  -2.23,   0.10,
04/19 09Z,  -0.20,   1.22,  99.90,   1.12,   0.10,
04/19 10Z,  -0.20,   2.84,  99.90,   2.74,   0.10,  (max)
04/19 11Z,  -0.10,   2.24,  99.90,   2.24,   0.10,
04/19 12Z,  -0.10,  -0.60,  99.90,  -0.60,   0.10,
04/19 13Z,   0.00,  -5.17,  99.90,  -5.08,   0.10,
04/19 14Z,   0.00, -10.47,  99.90, -10.37,   0.10,
04/19 15Z,   0.00, -15.22,  99.90, -15.12,   0.10,
04/19 16Z,   0.00, -18.26,  99.90, -18.16,   0.10,
04/19 17Z,   0.00, -18.91,  99.90, -18.81,   0.10,  (min)
04/19 18Z,  -0.10, -17.12,  99.90, -17.12,   0.10,
04/19 19Z,  -0.20, -13.47,  99.90, -13.57,   0.10,
04/19 20Z,  -0.30,  -8.92,  99.90,  -9.12,   0.10,
04/19 21Z,  -0.30,  -4.56,  99.90,  -4.76,   0.10,
04/19 22Z,  -0.30,  -1.37,  99.90,  -1.57,   0.10,
04/19 23Z,  -0.30,  -0.04,  99.90,  -0.24,   0.10,  (max)
04/20 00Z,  -0.20,  -0.83,  99.90,  -0.93,   0.10,
04/20 01Z,  -0.10,  -3.45,  99.90,  -3.46,   0.10,
04/20 02Z,  -0.10,  -7.12,  99.90,  -7.13,   0.10,
04/20 03Z,   0.00, -10.71,  99.90, -10.61,   0.10,
04/20 04Z,   0.00, -13.12,  99.90, -13.02,   0.10,
04/20 05Z,  -0.10, -13.60,  99.90, -13.60,   0.10,  (min)
04/20 06Z,  -0.10, -12.02,  99.90, -12.02,   0.10,
04/20 07Z,  -0.20,  -8.81,  99.90,  -8.92,   0.10,
04/20 08Z,  -0.20,  -4.82,  99.90,  -4.93,   0.10,
04/20 09Z,  -0.30,  -1.02,  99.90,  -1.23,   0.10,
04/20 10Z,  -0.20,   1.67,  99.90,   1.57,   0.10,
04/20 11Z,  -0.20,   2.57,  99.90,   2.47,   0.10,  (max)
04/20 12Z,  -0.10,   1.34,  99.90,   1.33,   0.10,
04/20 13Z,  -0.10,  -1.92,  99.90,  -1.93,   0.10,
04/20 14Z,   0.00,  -6.58,  99.90,  -6.48,   0.10,
04/20 15Z,   0.00, -11.59,  99.90, -11.50,   0.10,
04/20 16Z,   0.00, -15.78,  99.90, -15.68,   0.10,
04/20 17Z,  -0.10, -18.15,  99.90, -18.16,   0.10,
04/20 18Z,  -0.20, -18.24,  99.90, -18.34,   0.10,  (min)
04/20 19Z,  -0.30, -16.15,  99.90, -16.35,   0.10,
04/20 20Z,  -0.40, -12.52,  99.90, -12.82,   0.10,
04/20 21Z,  -0.40,  -8.27,  99.90,  -8.58,   0.10,
04/20 22Z,  -0.40,  -4.40,  99.90,  -4.70,   0.10,
04/20 23Z,  -0.30,  -1.75,  99.90,  -1.95,   0.10,
04/21 00Z,  -0.20,  -0.88,  99.90,  -0.98,   0.10,  (max)
04/21 01Z,  -0.10,  -1.91,  99.90,  -1.91,   0.10,
04/21 02Z,   0.00,  -4.47,  99.90,  -4.38,   0.10,
04/21 03Z,   0.00,  -7.76,  99.90,  -7.66,   0.10,
04/21 04Z,   0.00, -10.72,  99.90, -10.62,   0.10,
04/21 05Z,  -0.20, -12.44,  99.90, -12.55,   0.10,
04/21 06Z,  -0.30, -12.40,  99.90, -12.60,   0.10,  (min)
04/21 07Z,  -0.40, -10.59,  99.90, -10.90,   0.10,
04/21 08Z,  -0.50,  -7.52,  99.90,  -7.92,   0.10,
04/21 09Z,  -0.50,  -3.96,  99.90,  -4.36,   0.10,
04/21 10Z,  -0.40,  -0.77,  99.90,  -1.07,   0.10,
04/21 11Z,  -0.30,   1.28,  99.90,   1.08,   0.10,
04/21 12Z,  -0.20,   1.64,  99.90,   1.54,   0.10,  (max)
04/21 13Z,  -0.10,   0.07,  99.90,   0.07,   0.10,
04/21 14Z,  -0.10,  -3.20,  99.90,  -3.20,   0.10,
04/21 15Z,  -0.10,  -7.55,  99.90,  -7.55,   0.10,
04/21 16Z,  -0.20, -11.99,  99.90, -12.09,   0.10,
04/21 17Z,  -0.30, -15.51,  99.90, -15.72,   0.10,
04/21 18Z,  -0.40, -17.33,  99.90, -17.64,   0.10,  (min)
04/21 19Z,  -0.50, -17.13,  99.90, -17.53,   0.10,
04/21 20Z,  -0.50, -15.08,  99.90, -15.48,   0.10,
04/21 21Z,  -0.50, -11.78,  99.90, -12.18,   0.10,
04/21 22Z,  -0.40,  -8.04,  99.90,  -8.35,   0.10,
04/21 23Z,  -0.30,  -4.73,  99.90,  -4.93,   0.10,
04/22 00Z,  -0.20,  -2.55,  99.90,  -2.65,   0.10,
04/22 01Z,  -0.20,  -1.93,  99.90,  -2.04,   0.10,  (max)
04/22 02Z,  -0.20,  -2.94,  99.90,  -3.04,   0.10,
04/22 03Z,  -0.20,  -5.17,  99.90,  -5.27,   0.10,
04/22 04Z,  -0.30,  -7.89,  99.90,  -8.09,   0.10,
04/22 05Z,  -0.40, -10.22,  99.90, -10.53,   0.10,
04/22 06Z,  -0.50, -11.45,  99.90, -11.85,   0.10,
04/22 07Z,  99.90, -11.19,  99.90,  99.90,   0.10,
04/22 08Z,  99.90,  -9.52,  99.90,  99.90,   0.10,
04/22 09Z,  99.90,  -6.88,  99.90,  99.90,   0.10,
04/22 10Z,  99.90,  -3.91,  99.90,  99.90,   0.10,
04/22 11Z,  99.90,  -1.34,  99.90,  99.90,   0.10,
04/22 12Z,  99.90,   0.22,  99.90,  99.90,   0.10,