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.
#Washington, DC : 03/27/2025 17:24:35 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/26 00Z,   0.70,  -1.13,  -0.51,  99.90,  -0.08,
03/26 01Z,   0.70,  -1.65,  -1.16,  99.90,  -0.21,
03/26 02Z,   0.70,  -2.13,  -1.78,  99.90,  -0.35,
03/26 03Z,   0.70,  -2.49,  -2.28,  99.90,  -0.49,
03/26 04Z,   0.70,  -2.72,  -2.69,  99.90,  -0.67,
03/26 05Z,   0.70,  -2.77,  -2.82,  99.90,  -0.75,  (min)
03/26 06Z,   0.70,  -2.47,  -2.47,  99.90,  -0.70,
03/26 07Z,   0.70,  -1.78,  -1.64,  99.90,  -0.56,
03/26 08Z,   0.70,  -1.03,  -0.86,  99.90,  -0.53,
03/26 09Z,   0.70,  -0.55,  -0.28,  99.90,  -0.43,
03/26 10Z,   0.60,  -0.37,   0.03,  99.90,  -0.20,
03/26 11Z,   0.60,  -0.51,   0.07,  99.90,  -0.02,  (max)
03/26 12Z,   0.70,  -0.92,  -0.26,  99.90,  -0.04,
03/26 13Z,   0.70,  -1.48,  -0.85,  99.90,  -0.07,
03/26 14Z,   0.70,  -2.02,  -1.44,  99.90,  -0.12,
03/26 15Z,   0.70,  -2.47,  -1.98,  99.90,  -0.21,
03/26 16Z,   0.70,  -2.76,  -2.45,  99.90,  -0.39,
03/26 17Z,   0.70,  -2.86,  -2.82,  99.90,  -0.66,
03/26 18Z,   0.70,  -2.67,  -2.98,  99.90,  -1.01,  (min)
03/26 19Z,   0.70,  -2.05,  -2.77,  99.90,  -1.42,
03/26 20Z,   0.70,  -1.21,  -2.09,  99.90,  -1.58,
03/26 21Z,   0.70,  -0.56,  -1.44,  99.90,  -1.58,
03/26 22Z,   0.60,  -0.26,  -1.11,  99.90,  -1.45,  (max)
03/26 23Z,   0.60,  -0.28,  -1.14,  99.90,  -1.46,
03/27 00Z,   0.70,  -0.61,  -1.49,  99.90,  -1.58,
03/27 01Z,   0.60,  -1.14,  -1.96,  99.90,  -1.42,
03/27 02Z,   0.60,  -1.71,  -2.45,  99.90,  -1.34,
03/27 03Z,   0.60,  -2.22,  -2.87,  99.90,  -1.25,
03/27 04Z,   0.50,  -2.61,  -3.15,  99.90,  -1.04,
03/27 05Z,   0.50,  -2.86,  -3.30,  99.90,  -0.94,  (min)
03/27 06Z,   0.50,  -2.88,  -3.13,  99.90,  -0.75,
03/27 07Z,   0.50,  -2.47,  -2.47,  99.90,  -0.50,
03/27 08Z,   0.50,  -1.66,  -1.64,  99.90,  -0.48,
03/27 09Z,   0.50,  -0.84,  -0.92,  99.90,  -0.58,
03/27 10Z,   0.50,  -0.33,  -0.37,  99.90,  -0.54,
03/27 11Z,   0.50,  -0.17,  -0.08,  99.90,  -0.41,  (max)
03/27 12Z,   0.50,  -0.37,  -0.17,  99.90,  -0.30,
03/27 13Z,   0.50,  -0.87,  -0.62,  99.90,  -0.25,
03/27 14Z,   0.50,  -1.47,  -1.26,  99.90,  -0.29,
03/27 15Z,   0.50,  -2.05,  -1.90,  99.90,  -0.35,
03/27 16Z,   0.50,  -2.53,  -2.45,  99.90,  -0.42,
03/27 17Z,   0.50,  -2.86,  -2.89,  99.90,  -0.53,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/27 18Z,   0.50,  -3.00,  99.90,  -3.03,  -0.53,  (min)
03/27 19Z,   0.50,  -2.78,  99.90,  -2.81,  -0.54,
03/27 20Z,   0.50,  -2.07,  99.90,  -2.11,  -0.54,
03/27 21Z,   0.50,  -1.17,  99.90,  -1.21,  -0.54,
03/27 22Z,   0.50,  -0.48,  99.90,  -0.53,  -0.54,
03/27 23Z,   0.50,  -0.16,  99.90,  -0.21,  -0.55,  (max)
03/28 00Z,   0.50,  -0.22,  99.90,  -0.27,  -0.55,
03/28 01Z,   0.50,  -0.62,  99.90,  -0.68,  -0.55,
03/28 02Z,   0.50,  -1.21,  99.90,  -1.27,  -0.56,
03/28 03Z,   0.50,  -1.81,  99.90,  -1.87,  -0.56,
03/28 04Z,   0.50,  -2.35,  99.90,  -2.41,  -0.56,
03/28 05Z,   0.50,  -2.76,  99.90,  -2.83,  -0.57,
03/28 06Z,   0.50,  -3.00,  99.90,  -3.07,  -0.57,  (min)
03/28 07Z,   0.50,  -2.95,  99.90,  -3.02,  -0.57,
03/28 08Z,   0.50,  -2.41,  99.90,  -2.47,  -0.57,
03/28 09Z,   0.50,  -1.47,  99.90,  -1.54,  -0.57,
03/28 10Z,   0.50,  -0.59,  99.90,  -0.66,  -0.57,
03/28 11Z,   0.60,  -0.08,  99.90,  -0.04,  -0.57,
03/28 12Z,   0.60,   0.03,  99.90,   0.06,  -0.57,  (max)
03/28 13Z,   0.60,  -0.27,  99.90,  -0.23,  -0.57,
03/28 14Z,   0.60,  -0.84,  99.90,  -0.81,  -0.57,
03/28 15Z,   0.60,  -1.50,  99.90,  -1.46,  -0.57,
03/28 16Z,   0.60,  -2.11,  99.90,  -2.07,  -0.57,
03/28 17Z,   0.60,  -2.61,  99.90,  -2.58,  -0.57,
03/28 18Z,   0.60,  -2.98,  99.90,  -2.95,  -0.57,
03/28 19Z,   0.60,  -3.13,  99.90,  -3.09,  -0.57,  (min)
03/28 20Z,   0.60,  -2.85,  99.90,  -2.81,  -0.57,
03/28 21Z,   0.60,  -2.05,  99.90,  -2.01,  -0.57,
03/28 22Z,   0.60,  -1.09,  99.90,  -1.05,  -0.57,
03/28 23Z,   0.60,  -0.39,  99.90,  -0.35,  -0.57,
03/29 00Z,   0.60,  -0.10,  99.90,  -0.06,  -0.57,  (max)
03/29 01Z,   0.60,  -0.22,  99.90,  -0.18,  -0.57,
03/29 02Z,   0.60,  -0.69,  99.90,  -0.66,  -0.57,
03/29 03Z,   0.50,  -1.33,  99.90,  -1.40,  -0.57,
03/29 04Z,   0.50,  -1.96,  99.90,  -2.03,  -0.57,
03/29 05Z,   0.50,  -2.51,  99.90,  -2.57,  -0.57,
03/29 06Z,   0.50,  -2.91,  99.90,  -2.98,  -0.57,
03/29 07Z,   0.50,  -3.12,  99.90,  -3.18,  -0.57,  (min)
03/29 08Z,   0.60,  -2.96,  99.90,  -2.93,  -0.57,
03/29 09Z,   0.60,  -2.26,  99.90,  -2.23,  -0.57,
03/29 10Z,   0.60,  -1.21,  99.90,  -1.18,  -0.57,
03/29 11Z,   0.60,  -0.31,  99.90,  -0.28,  -0.57,
03/29 12Z,   0.60,   0.17,  99.90,   0.20,  -0.57,
03/29 13Z,   0.60,   0.18,  99.90,   0.22,  -0.57,  (max)
03/29 14Z,   0.50,  -0.22,  99.90,  -0.28,  -0.57,
03/29 15Z,   0.50,  -0.86,  99.90,  -0.93,  -0.57,
03/29 16Z,   0.50,  -1.55,  99.90,  -1.61,  -0.57,
03/29 17Z,   0.50,  -2.18,  99.90,  -2.24,  -0.57,
03/29 18Z,   0.50,  -2.71,  99.90,  -2.77,  -0.57,
03/29 19Z,   0.50,  -3.09,  99.90,  -3.16,  -0.57,
03/29 20Z,   0.50,  -3.22,  99.90,  -3.29,  -0.57,  (min)
03/29 21Z,   0.50,  -2.86,  99.90,  -2.92,  -0.57,
03/29 22Z,   0.40,  -1.97,  99.90,  -2.14,  -0.57,
03/29 23Z,   0.40,  -0.98,  99.90,  -1.15,  -0.57,
03/30 00Z,   0.40,  -0.31,  99.90,  -0.47,  -0.57,
03/30 01Z,   0.40,  -0.07,  99.90,  -0.24,  -0.57,  (max)
03/30 02Z,   0.40,  -0.27,  99.90,  -0.44,  -0.57,
03/30 03Z,   0.30,  -0.81,  99.90,  -1.08,  -0.57,
03/30 04Z,   0.30,  -1.48,  99.90,  -1.75,  -0.57,
03/30 05Z,   0.30,  -2.12,  99.90,  -2.38,  -0.57,
03/30 06Z,   0.30,  -2.65,  99.90,  -2.92,  -0.57,
03/30 07Z,   0.30,  -3.03,  99.90,  -3.29,  -0.57,
03/30 08Z,   0.30,  -3.17,  99.90,  -3.44,  -0.57,  (min)
03/30 09Z,   0.30,  -2.89,  99.90,  -3.16,  -0.57,
03/30 10Z,   0.30,  -2.05,  99.90,  -2.31,  -0.57,
03/30 11Z,   0.30,  -0.93,  99.90,  -1.19,  -0.57,
03/30 12Z,   0.30,  -0.05,  99.90,  -0.31,  -0.57,
03/30 13Z,   0.30,   0.35,  99.90,   0.09,  -0.57,  (max)
03/30 14Z,   0.30,   0.26,  99.90,  -0.00,  -0.57,
03/30 15Z,   0.30,  -0.23,  99.90,  -0.50,  -0.57,
03/30 16Z,   0.30,  -0.92,  99.90,  -1.19,  -0.57,
03/30 17Z,   0.30,  -1.62,  99.90,  -1.89,  -0.57,
03/30 18Z,   0.30,  -2.26,  99.90,  -2.52,  -0.57,
03/30 19Z,   0.30,  -2.79,  99.90,  -3.06,  -0.57,
03/30 20Z,   0.30,  -3.17,  99.90,  -3.44,  -0.57,
03/30 21Z,   0.30,  -3.26,  99.90,  -3.53,  -0.57,  (min)
03/30 22Z,   0.30,  -2.81,  99.90,  -3.07,  -0.57,
03/30 23Z,   0.30,  -1.86,  99.90,  -2.12,  -0.57,
03/31 00Z,   0.30,  -0.88,  99.90,  -1.15,  -0.57,
03/31 01Z,   0.30,  -0.26,  99.90,  -0.53,  -0.57,
03/31 02Z,   0.30,  -0.10,  99.90,  -0.37,  -0.57,  (max)
03/31 03Z,   0.30,  -0.37,  99.90,  -0.64,  -0.57,
03/31 04Z,   0.30,  -0.96,  99.90,  -1.22,  -0.57,
03/31 05Z,   0.30,  -1.63,  99.90,  -1.90,  -0.57,
03/31 06Z,   0.30,  -2.26,  99.90,  -2.52,  -0.57,
03/31 07Z,   0.40,  -2.76,  99.90,  -2.93,  -0.57,
03/31 08Z,   0.40,  -3.09,  99.90,  -3.26,  -0.57,
03/31 09Z,   0.40,  -3.15,  99.90,  -3.32,  -0.57,  (min)
03/31 10Z,   0.40,  -2.75,  99.90,  -2.91,  -0.57,
03/31 11Z,   0.40,  -1.79,  99.90,  -1.96,  -0.57,
03/31 12Z,   0.50,  -0.66,  99.90,  -0.72,  -0.57,