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 : 04/18/2025 08:21:33 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/16 12Z,   0.60,  -2.26,  -2.54,  99.90,  -0.88,
04/16 13Z,   0.60,  -1.43,  -1.76,  99.90,  -0.93,
04/16 14Z,   0.60,  -0.93,  -1.36,  99.90,  -1.03,
04/16 15Z,   0.50,  -0.83,  -1.15,  99.90,  -0.82,  (max)
04/16 16Z,   0.50,  -1.05,  -1.29,  99.90,  -0.74,
04/16 17Z,   0.50,  -1.52,  -1.60,  99.90,  -0.58,
04/16 18Z,   0.50,  -2.10,  -2.10,  99.90,  -0.50,
04/16 19Z,   0.50,  -2.66,  -2.67,  99.90,  -0.51,
04/16 20Z,   0.40,  -3.13,  -3.19,  99.90,  -0.46,
04/16 21Z,   0.40,  -3.45,  -3.63,  99.90,  -0.58,
04/16 22Z,   0.40,  -3.61,  -3.93,  99.90,  -0.72,
04/16 23Z,   0.40,  -3.52,  -4.14,  99.90,  -1.02,  (min)
04/17 00Z,   0.40,  -3.04,  -4.00,  99.90,  -1.36,
04/17 01Z,   0.40,  -2.30,  -3.38,  99.90,  -1.48,
04/17 02Z,   0.40,  -1.67,  -2.70,  99.90,  -1.43,
04/17 03Z,   0.40,  -1.36,  -2.24,  99.90,  -1.28,
04/17 04Z,   0.40,  -1.35,  -2.07,  99.90,  -1.12,  (max)
04/17 05Z,   0.30,  -1.62,  -2.17,  99.90,  -0.85,
04/17 06Z,   0.40,  -2.11,  -2.57,  99.90,  -0.86,
04/17 07Z,   0.40,  -2.66,  -3.05,  99.90,  -0.79,
04/17 08Z,   0.40,  -3.14,  -3.46,  99.90,  -0.72,
04/17 09Z,   0.40,  -3.45,  -3.78,  99.90,  -0.73,
04/17 10Z,   0.40,  -3.52,  -3.85,  99.90,  -0.73,  (min)
04/17 11Z,   0.40,  -3.33,  -3.43,  99.90,  -0.50,
04/17 12Z,   0.50,  -2.80,  -2.73,  99.90,  -0.43,
04/17 13Z,   0.50,  -1.96,  -2.04,  99.90,  -0.58,
04/17 14Z,   0.50,  -1.22,  -1.51,  99.90,  -0.79,
04/17 15Z,   0.50,  -0.87,  -1.17,  99.90,  -0.80,
04/17 16Z,   0.50,  -0.92,  -1.12,  99.90,  -0.70,  (max)
04/17 17Z,   0.50,  -1.24,  -1.42,  99.90,  -0.68,
04/17 18Z,   0.60,  -1.76,  -2.01,  99.90,  -0.85,
04/17 19Z,   0.60,  -2.33,  -2.66,  99.90,  -0.93,
04/17 20Z,   0.50,  -2.84,  -3.21,  99.90,  -0.87,
04/17 21Z,   0.50,  -3.25,  -3.66,  99.90,  -0.91,
04/17 22Z,   0.50,  -3.49,  -3.99,  99.90,  -1.00,
04/17 23Z,   0.50,  -3.56,  -4.16,  99.90,  -1.10,  (min)
04/18 00Z,   0.60,  -3.36,  -3.96,  99.90,  -1.20,
04/18 01Z,   0.60,  -2.79,  -3.26,  99.90,  -1.07,
04/18 02Z,   0.60,  -2.05,  -2.46,  99.90,  -1.01,
04/18 03Z,   0.60,  -1.53,  -1.88,  99.90,  -0.95,
04/18 04Z,   0.60,  -1.34,  -1.57,  99.90,  -0.83,
04/18 05Z,   0.60,  -1.43,  -1.57,  99.90,  -0.74,  (max)
04/18 06Z,   0.60,  -1.76,  -1.92,  99.90,  -0.76,
04/18 07Z,   0.60,  -2.26,  -2.41,  99.90,  -0.75,
04/18 08Z,   0.60,  -2.79,  -2.89,  99.90,  -0.70,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/18 09Z,   0.60,  -3.23,  99.90,  -3.31,  -0.69,
04/18 10Z,   0.50,  -3.47,  99.90,  -3.64,  -0.67,  (min)
04/18 11Z,   0.50,  -3.46,  99.90,  -3.61,  -0.65,
04/18 12Z,   0.50,  -3.18,  99.90,  -3.32,  -0.63,
04/18 13Z,   0.60,  -2.57,  99.90,  -2.59,  -0.62,
04/18 14Z,   0.60,  -1.74,  99.90,  -1.74,  -0.60,
04/18 15Z,   0.60,  -1.10,  99.90,  -1.08,  -0.58,
04/18 16Z,   0.60,  -0.89,  99.90,  -0.86,  -0.56,  (max)
04/18 17Z,   0.60,  -1.04,  99.90,  -0.99,  -0.55,
04/18 18Z,   0.60,  -1.42,  99.90,  -1.35,  -0.53,
04/18 19Z,   0.60,  -1.95,  99.90,  -1.86,  -0.51,
04/18 20Z,   0.70,  -2.49,  99.90,  -2.29,  -0.50,
04/18 21Z,   0.70,  -2.97,  99.90,  -2.76,  -0.50,
04/18 22Z,   0.70,  -3.31,  99.90,  -3.11,  -0.50,
04/18 23Z,   0.70,  -3.49,  99.90,  -3.29,  -0.50,  (min)
04/19 00Z,   0.70,  -3.48,  99.90,  -3.28,  -0.50,
04/19 01Z,   0.70,  -3.19,  99.90,  -2.99,  -0.50,
04/19 02Z,   0.70,  -2.57,  99.90,  -2.37,  -0.50,
04/19 03Z,   0.70,  -1.87,  99.90,  -1.66,  -0.50,
04/19 04Z,   0.70,  -1.44,  99.90,  -1.24,  -0.50,
04/19 05Z,   0.70,  -1.35,  99.90,  -1.14,  -0.50,  (max)
04/19 06Z,   0.70,  -1.50,  99.90,  -1.30,  -0.50,
04/19 07Z,   0.70,  -1.88,  99.90,  -1.67,  -0.50,
04/19 08Z,   0.70,  -2.37,  99.90,  -2.17,  -0.50,
04/19 09Z,   0.70,  -2.87,  99.90,  -2.67,  -0.50,
04/19 10Z,   0.70,  -3.27,  99.90,  -3.07,  -0.50,
04/19 11Z,   0.70,  -3.46,  99.90,  -3.25,  -0.50,  (min)
04/19 12Z,   0.70,  -3.39,  99.90,  -3.19,  -0.50,
04/19 13Z,   0.70,  -3.07,  99.90,  -2.86,  -0.50,
04/19 14Z,   0.70,  -2.42,  99.90,  -2.21,  -0.50,
04/19 15Z,   0.70,  -1.61,  99.90,  -1.41,  -0.50,
04/19 16Z,   0.70,  -1.07,  99.90,  -0.86,  -0.50,
04/19 17Z,   0.70,  -0.96,  99.90,  -0.75,  -0.50,  (max)
04/19 18Z,   0.70,  -1.15,  99.90,  -0.95,  -0.50,
04/19 19Z,   0.70,  -1.56,  99.90,  -1.35,  -0.50,
04/19 20Z,   0.60,  -2.08,  99.90,  -1.97,  -0.50,
04/19 21Z,   0.60,  -2.59,  99.90,  -2.49,  -0.50,
04/19 22Z,   0.60,  -3.03,  99.90,  -2.93,  -0.50,
04/19 23Z,   0.60,  -3.34,  99.90,  -3.24,  -0.50,
04/20 00Z,   0.60,  -3.47,  99.90,  -3.37,  -0.50,  (min)
04/20 01Z,   0.60,  -3.41,  99.90,  -3.31,  -0.50,
04/20 02Z,   0.50,  -3.06,  99.90,  -3.06,  -0.50,
04/20 03Z,   0.50,  -2.41,  99.90,  -2.40,  -0.50,
04/20 04Z,   0.50,  -1.75,  99.90,  -1.74,  -0.50,
04/20 05Z,   0.50,  -1.40,  99.90,  -1.39,  -0.50,
04/20 06Z,   0.50,  -1.35,  99.90,  -1.35,  -0.50,  (max)
04/20 07Z,   0.40,  -1.55,  99.90,  -1.64,  -0.50,
04/20 08Z,   0.40,  -1.94,  99.90,  -2.04,  -0.50,
04/20 09Z,   0.40,  -2.44,  99.90,  -2.53,  -0.50,
04/20 10Z,   0.40,  -2.92,  99.90,  -3.02,  -0.50,
04/20 11Z,   0.30,  -3.29,  99.90,  -3.48,  -0.50,
04/20 12Z,   0.30,  -3.44,  99.90,  -3.63,  -0.50,  (min)
04/20 13Z,   0.30,  -3.35,  99.90,  -3.54,  -0.50,
04/20 14Z,   0.30,  -3.00,  99.90,  -3.19,  -0.50,
04/20 15Z,   0.20,  -2.33,  99.90,  -2.63,  -0.50,
04/20 16Z,   0.20,  -1.57,  99.90,  -1.86,  -0.50,
04/20 17Z,   0.20,  -1.09,  99.90,  -1.39,  -0.50,
04/20 18Z,   0.20,  -1.02,  99.90,  -1.32,  -0.50,  (max)
04/20 19Z,   0.20,  -1.23,  99.90,  -1.52,  -0.50,
04/20 20Z,   0.10,  -1.63,  99.90,  -2.03,  -0.50,
04/20 21Z,   0.10,  -2.14,  99.90,  -2.54,  -0.50,
04/20 22Z,   0.10,  -2.65,  99.90,  -3.04,  -0.50,
04/20 23Z,   0.10,  -3.07,  99.90,  -3.47,  -0.50,
04/21 00Z,   0.10,  -3.36,  99.90,  -3.75,  -0.50,
04/21 01Z,   0.00,  -3.46,  99.90,  -3.96,  -0.50,  (min)
04/21 02Z,   0.00,  -3.37,  99.90,  -3.87,  -0.50,
04/21 03Z,   0.00,  -2.98,  99.90,  -3.47,  -0.50,
04/21 04Z,   0.00,  -2.29,  99.90,  -2.79,  -0.50,
04/21 05Z,   0.00,  -1.66,  99.90,  -2.16,  -0.50,
04/21 06Z,   0.00,  -1.35,  99.90,  -1.84,  -0.50,
04/21 07Z,   0.00,  -1.33,  99.90,  -1.82,  -0.50,  (max)
04/21 08Z,   0.00,  -1.54,  99.90,  -2.04,  -0.50,
04/21 09Z,   0.00,  -1.96,  99.90,  -2.45,  -0.50,
04/21 10Z,   0.00,  -2.46,  99.90,  -2.96,  -0.50,
04/21 11Z,   0.00,  -2.94,  99.90,  -3.44,  -0.50,
04/21 12Z,   0.00,  -3.29,  99.90,  -3.79,  -0.50,
04/21 13Z,   0.00,  -3.43,  99.90,  -3.92,  -0.50,  (min)
04/21 14Z,   0.00,  -3.34,  99.90,  -3.84,  -0.50,
04/21 15Z,   0.00,  -2.99,  99.90,  -3.48,  -0.50,
04/21 16Z,   0.10,  -2.32,  99.90,  -2.71,  -0.50,
04/21 17Z,   0.10,  -1.57,  99.90,  -1.97,  -0.50,
04/21 18Z,   0.10,  -1.13,  99.90,  -1.53,  -0.50,
04/21 19Z,   0.10,  -1.06,  99.90,  -1.46,  -0.50,  (max)
04/21 20Z,   0.10,  -1.26,  99.90,  -1.65,  -0.50,
04/21 21Z,   0.10,  -1.66,  99.90,  -2.05,  -0.50,
04/21 22Z,   0.20,  -2.17,  99.90,  -2.47,  -0.50,
04/21 23Z,   0.20,  -2.68,  99.90,  -2.98,  -0.50,
04/22 00Z,   0.20,  -3.11,  99.90,  -3.40,  -0.50,