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 : 03/17/2025 05:24:37 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/15 12Z,   1.00,  -0.76,   0.24,  99.90,  -0.00,
03/15 13Z,   1.00,  -0.28,   0.62,  99.90,  -0.10,
03/15 14Z,   1.00,  -0.17,   0.64,  99.90,  -0.19,  (max)
03/15 15Z,   1.10,  -0.45,   0.28,  99.90,  -0.37,
03/15 16Z,   1.10,  -0.98,  -0.33,  99.90,  -0.45,
03/15 17Z,   1.10,  -1.58,  -0.97,  99.90,  -0.49,
03/15 18Z,   1.00,  -2.14,  -1.52,  99.90,  -0.38,
03/15 19Z,   1.00,  -2.62,  -1.99,  99.90,  -0.37,
03/15 20Z,   1.00,  -2.98,  -2.37,  99.90,  -0.39,
03/15 21Z,   1.00,  -3.10,  -2.54,  99.90,  -0.44,  (min)
03/15 22Z,   1.00,  -2.76,  -2.19,  99.90,  -0.43,
03/15 23Z,   1.00,  -2.00,  -1.32,  99.90,  -0.32,
03/16 00Z,   0.90,  -1.22,  -0.50,  99.90,  -0.18,
03/16 01Z,   0.90,  -0.65,   0.06,  99.90,  -0.19,
03/16 02Z,   0.90,  -0.39,   0.29,  99.90,  -0.22,  (max)
03/16 03Z,   0.90,  -0.51,   0.12,  99.90,  -0.27,
03/16 04Z,   0.90,  -0.95,  -0.38,  99.90,  -0.33,
03/16 05Z,   0.90,  -1.53,  -1.05,  99.90,  -0.42,
03/16 06Z,   0.90,  -2.11,  -1.66,  99.90,  -0.45,
03/16 07Z,   0.90,  -2.58,  -2.01,  99.90,  -0.33,
03/16 08Z,   0.90,  -2.89,  -2.26,  99.90,  -0.27,
03/16 09Z,   1.00,  -3.00,  -2.38,  99.90,  -0.38,  (min)
03/16 10Z,   1.00,  -2.72,  -2.04,  99.90,  -0.32,
03/16 11Z,   1.00,  -1.98,  -1.21,  99.90,  -0.23,
03/16 12Z,   1.00,  -1.11,  -0.34,  99.90,  -0.23,
03/16 13Z,   1.00,  -0.47,   0.29,  99.90,  -0.24,
03/16 14Z,   1.00,  -0.16,   0.58,  99.90,  -0.26,  (max)
03/16 15Z,   1.00,  -0.21,   0.55,  99.90,  -0.24,
03/16 16Z,   1.10,  -0.61,   0.16,  99.90,  -0.33,
03/16 17Z,   1.10,  -1.19,  -0.39,  99.90,  -0.30,
03/16 18Z,   1.10,  -1.79,  -0.99,  99.90,  -0.30,
03/16 19Z,   1.20,  -2.32,  -1.46,  99.90,  -0.34,
03/16 20Z,   1.20,  -2.73,  -1.63,  99.90,  -0.10,  (min)
03/16 21Z,   1.20,  -3.00,  -1.59,  99.90,   0.21,
03/16 22Z,   1.20,  -2.98,  -1.40,  99.90,   0.38,
03/16 23Z,   1.20,  -2.49,  -0.83,  99.90,   0.46,
03/17 00Z,   1.30,  -1.70,  -0.12,  99.90,   0.28,
03/17 01Z,   1.30,  -0.99,   0.37,  99.90,   0.06,
03/17 02Z,   1.30,  -0.56,   0.66,  99.90,  -0.08,  (max)
03/17 03Z,   1.30,  -0.45,   0.61,  99.90,  -0.24,
03/17 04Z,   1.30,  -0.69,   0.11,  99.90,  -0.50,
03/17 05Z,   1.30,  -1.21,  -0.51,  99.90,  -0.60,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/17 06Z,   1.30,  -1.81,  99.90,  -1.09,  -0.58,
03/17 07Z,   1.20,  -2.36,  99.90,  -1.71,  -0.55,
03/17 08Z,   1.20,  -2.75,  99.90,  -2.08,  -0.53,
03/17 09Z,   1.20,  -2.95,  99.90,  -2.25,  -0.50,  (min)
03/17 10Z,   1.20,  -2.88,  99.90,  -2.16,  -0.48,
03/17 11Z,   1.10,  -2.41,  99.90,  -1.76,  -0.45,
03/17 12Z,   1.10,  -1.57,  99.90,  -0.90,  -0.43,
03/17 13Z,   1.10,  -0.76,  99.90,  -0.06,  -0.40,
03/17 14Z,   1.10,  -0.27,  99.90,   0.45,  -0.38,
03/17 15Z,   1.00,  -0.13,  99.90,   0.52,  -0.35,  (max)
03/17 16Z,   1.00,  -0.34,  99.90,   0.34,  -0.33,
03/17 17Z,   1.00,  -0.82,  99.90,  -0.13,  -0.30,
03/17 18Z,   0.90,  -1.43,  99.90,  -0.83,  -0.30,
03/17 19Z,   0.90,  -2.01,  99.90,  -1.41,  -0.30,
03/17 20Z,   0.90,  -2.48,  99.90,  -1.89,  -0.30,
03/17 21Z,   0.80,  -2.81,  99.90,  -2.31,  -0.30,
03/17 22Z,   0.80,  -2.96,  99.90,  -2.46,  -0.30,  (min)
03/17 23Z,   0.70,  -2.79,  99.90,  -2.40,  -0.30,
03/18 00Z,   0.60,  -2.20,  99.90,  -1.90,  -0.30,
03/18 01Z,   0.60,  -1.42,  99.90,  -1.12,  -0.30,
03/18 02Z,   0.50,  -0.83,  99.90,  -0.63,  -0.30,
03/18 03Z,   0.50,  -0.54,  99.90,  -0.34,  -0.30,  (max)
03/18 04Z,   0.40,  -0.56,  99.90,  -0.47,  -0.30,
03/18 05Z,   0.40,  -0.91,  99.90,  -0.81,  -0.30,
03/18 06Z,   0.40,  -1.46,  99.90,  -1.37,  -0.30,
03/18 07Z,   0.30,  -2.06,  99.90,  -2.06,  -0.30,
03/18 08Z,   0.30,  -2.55,  99.90,  -2.56,  -0.30,
03/18 09Z,   0.20,  -2.85,  99.90,  -2.96,  -0.30,
03/18 10Z,   0.20,  -2.91,  99.90,  -3.02,  -0.30,  (min)
03/18 11Z,   0.20,  -2.68,  99.90,  -2.79,  -0.30,
03/18 12Z,   0.10,  -2.06,  99.90,  -2.26,  -0.30,
03/18 13Z,   0.10,  -1.19,  99.90,  -1.39,  -0.30,
03/18 14Z,   0.10,  -0.48,  99.90,  -0.69,  -0.30,
03/18 15Z,   0.10,  -0.16,  99.90,  -0.37,  -0.30,  (max)
03/18 16Z,   0.00,  -0.19,  99.90,  -0.50,  -0.30,
03/18 17Z,   0.00,  -0.52,  99.90,  -0.83,  -0.30,
03/18 18Z,   0.00,  -1.06,  99.90,  -1.37,  -0.30,
03/18 19Z,   0.00,  -1.66,  99.90,  -1.96,  -0.30,
03/18 20Z,   0.00,  -2.20,  99.90,  -2.50,  -0.30,
03/18 21Z,   0.00,  -2.60,  99.90,  -2.91,  -0.30,
03/18 22Z,   0.00,  -2.83,  99.90,  -3.14,  -0.30,
03/18 23Z,   0.00,  -2.86,  99.90,  -3.17,  -0.30,  (min)
03/19 00Z,   0.00,  -2.57,  99.90,  -2.87,  -0.30,
03/19 01Z,   0.00,  -1.91,  99.90,  -2.21,  -0.30,
03/19 02Z,   0.00,  -1.18,  99.90,  -1.49,  -0.30,
03/19 03Z,   0.00,  -0.72,  99.90,  -1.03,  -0.30,
03/19 04Z,   0.00,  -0.57,  99.90,  -0.87,  -0.30,  (max)
03/19 05Z,   0.00,  -0.70,  99.90,  -1.01,  -0.30,
03/19 06Z,   0.00,  -1.12,  99.90,  -1.42,  -0.30,
03/19 07Z,   0.00,  -1.68,  99.90,  -1.99,  -0.30,
03/19 08Z,   0.00,  -2.24,  99.90,  -2.55,  -0.30,
03/19 09Z,   0.00,  -2.67,  99.90,  -2.98,  -0.30,
03/19 10Z,   0.00,  -2.87,  99.90,  -3.17,  -0.30,  (min)
03/19 11Z,   0.00,  -2.81,  99.90,  -3.11,  -0.30,
03/19 12Z,   0.10,  -2.44,  99.90,  -2.65,  -0.30,
03/19 13Z,   0.10,  -1.72,  99.90,  -1.93,  -0.30,
03/19 14Z,   0.10,  -0.88,  99.90,  -1.09,  -0.30,
03/19 15Z,   0.10,  -0.32,  99.90,  -0.52,  -0.30,
03/19 16Z,   0.20,  -0.16,  99.90,  -0.27,  -0.30,  (max)
03/19 17Z,   0.20,  -0.32,  99.90,  -0.43,  -0.30,
03/19 18Z,   0.20,  -0.73,  99.90,  -0.84,  -0.30,
03/19 19Z,   0.30,  -1.29,  99.90,  -1.30,  -0.30,
03/19 20Z,   0.30,  -1.86,  99.90,  -1.86,  -0.30,
03/19 21Z,   0.30,  -2.34,  99.90,  -2.34,  -0.30,
03/19 22Z,   0.40,  -2.66,  99.90,  -2.57,  -0.30,
03/19 23Z,   0.40,  -2.80,  99.90,  -2.70,  -0.30,  (min)
03/20 00Z,   0.40,  -2.73,  99.90,  -2.64,  -0.30,
03/20 01Z,   0.40,  -2.34,  99.90,  -2.25,  -0.30,
03/20 02Z,   0.50,  -1.65,  99.90,  -1.46,  -0.30,
03/20 03Z,   0.50,  -1.01,  99.90,  -0.82,  -0.30,
03/20 04Z,   0.50,  -0.68,  99.90,  -0.49,  -0.30,
03/20 05Z,   0.60,  -0.63,  99.90,  -0.34,  -0.30,  (max)
03/20 06Z,   0.60,  -0.85,  99.90,  -0.55,  -0.30,
03/20 07Z,   0.60,  -1.29,  99.90,  -1.00,  -0.30,
03/20 08Z,   0.70,  -1.85,  99.90,  -1.45,  -0.30,
03/20 09Z,   0.70,  -2.36,  99.90,  -1.97,  -0.30,
03/20 10Z,   0.70,  -2.72,  99.90,  -2.33,  -0.30,
03/20 11Z,   0.80,  -2.83,  99.90,  -2.33,  -0.30,  (min)
03/20 12Z,   0.80,  -2.67,  99.90,  -2.17,  -0.30,
03/20 13Z,   0.80,  -2.21,  99.90,  -1.72,  -0.30,
03/20 14Z,   0.90,  -1.45,  99.90,  -0.86,  -0.30,
03/20 15Z,   0.90,  -0.68,  99.90,  -0.09,  -0.30,
03/20 16Z,   0.90,  -0.26,  99.90,   0.33,  -0.30,
03/20 17Z,   1.00,  -0.23,  99.90,   0.46,  -0.30,  (max)
03/20 18Z,   1.00,  -0.48,  99.90,   0.22,  -0.30,
03/20 19Z,   1.00,  -0.93,  99.90,  -0.23,  -0.30,
03/20 20Z,   1.10,  -1.48,  99.90,  -0.68,  -0.30,
03/20 21Z,   1.10,  -2.00,  99.90,  -1.20,  -0.30,
03/20 22Z,   1.10,  -2.42,  99.90,  -1.62,  -0.30,
03/20 23Z,   1.10,  -2.67,  99.90,  -1.87,  -0.30,
03/21 00Z,   1.10,  -2.73,  99.90,  -1.94,  -0.30,