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.
#Boston, MA : 04/20/2025 07:20:04 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/18 12Z,   0.20,  -2.85,  -2.75,  99.90,  -0.10,
04/18 13Z,   0.20,  -4.07,  -3.97,  99.90,  -0.10,
04/18 14Z,   0.20,  -4.26,  -4.05,  99.90,   0.01,  (min)
04/18 15Z,   0.20,  -3.26,  -3.06,  99.90,   0.00,
04/18 16Z,   0.20,  -1.67,  -1.69,  99.90,  -0.22,
04/18 17Z,   0.20,  -0.04,  -0.09,  99.90,  -0.25,
04/18 18Z,   0.10,   1.51,   1.63,  99.90,   0.02,
04/18 19Z,   0.20,   2.71,   2.87,  99.90,  -0.04,
04/18 20Z,   0.20,   3.09,   3.09,  99.90,  -0.20,  (max)
04/18 21Z,   0.10,   2.51,   2.48,  99.90,  -0.13,
04/18 22Z,   0.20,   1.24,   1.36,  99.90,  -0.08,
04/18 23Z,   0.20,  -0.32,  -0.24,  99.90,  -0.12,
04/19 00Z,   0.10,  -1.79,  -1.76,  99.90,  -0.07,
04/19 01Z,   0.10,  -2.91,  -2.90,  99.90,  -0.09,
04/19 02Z,   0.10,  -3.24,  -3.11,  99.90,   0.03,  (min)
04/19 03Z,   0.10,  -2.41,  -2.08,  99.90,   0.23,
04/19 04Z,   0.00,  -0.77,  -0.78,  99.90,  -0.01,
04/19 05Z,   0.00,   0.97,   1.16,  99.90,   0.19,
04/19 06Z,   0.00,   2.50,   2.73,  99.90,   0.23,
04/19 07Z,   0.00,   3.69,   3.89,  99.90,   0.20,
04/19 08Z,   0.00,   4.16,   4.38,  99.90,   0.22,  (max)
04/19 09Z,   0.00,   3.60,   3.75,  99.90,   0.15,
04/19 10Z,   0.00,   2.21,   2.44,  99.90,   0.23,
04/19 11Z,   0.10,   0.39,   0.67,  99.90,   0.18,
04/19 12Z,   0.10,  -1.45,  -1.20,  99.90,   0.15,
04/19 13Z,   0.10,  -3.02,  -2.96,  99.90,  -0.04,
04/19 14Z,   0.10,  -4.01,  -3.92,  99.90,  -0.01,  (min)
04/19 15Z,   0.10,  -3.95,  -3.56,  99.90,   0.29,
04/19 16Z,   0.00,  -2.83,  -2.84,  99.90,  -0.01,
04/19 17Z,   0.00,  -1.28,  -1.42,  99.90,  -0.14,
04/19 18Z,   0.00,   0.24,   0.44,  99.90,   0.20,
04/19 19Z,   0.00,   1.66,   1.82,  99.90,   0.16,
04/19 20Z,   0.00,   2.69,   2.85,  99.90,   0.16,
04/19 21Z,   0.00,   2.89,   2.88,  99.90,  -0.01,  (max)
04/19 22Z,   0.00,   2.19,   2.32,  99.90,   0.13,
04/19 23Z,   0.00,   0.90,   1.06,  99.90,   0.16,
04/20 00Z,   0.00,  -0.58,  -0.53,  99.90,   0.05,
04/20 01Z,  -0.10,  -1.93,  -1.78,  99.90,   0.25,
04/20 02Z,  -0.20,  -2.90,  -2.80,  99.90,   0.30,
04/20 03Z,  -0.30,  -3.05,  -2.81,  99.90,   0.54,  (min)
04/20 04Z,  -0.10,  -2.08,  -1.97,  99.90,   0.21,
04/20 05Z,  -0.20,  -0.45,  -0.42,  99.90,   0.23,
04/20 06Z,  -0.30,   1.19,   0.94,  99.90,   0.05,
04/20 07Z,  -0.30,   2.63,   2.86,  99.90,   0.53,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/20 08Z,  -0.30,   3.72,  99.90,   3.91,   0.50,
04/20 09Z,  -0.30,   4.03,  99.90,   4.19,   0.46,  (max)
04/20 10Z,  -0.20,   3.36,  99.90,   3.58,   0.42,
04/20 11Z,  -0.30,   1.92,  99.90,   2.01,   0.39,
04/20 12Z,  -0.20,   0.14,  99.90,   0.29,   0.35,
04/20 13Z,  -0.20,  -1.61,  99.90,  -1.50,   0.31,
04/20 14Z,  -0.30,  -3.10,  99.90,  -3.12,   0.27,
04/20 15Z,  -0.30,  -3.97,  99.90,  -4.04,   0.24,  (min)
04/20 16Z,  -0.40,  -3.78,  99.90,  -3.98,   0.20,
04/20 17Z,  -0.40,  -2.61,  99.90,  -2.84,   0.16,
04/20 18Z,  -0.50,  -1.10,  99.90,  -1.47,   0.13,
04/20 19Z,  -0.40,   0.39,  99.90,   0.08,   0.09,
04/20 20Z,  -0.30,   1.79,  99.90,   1.58,   0.09,
04/20 21Z,  -0.20,   2.75,  99.90,   2.64,   0.09,
04/20 22Z,  -0.20,   2.85,  99.90,   2.74,   0.09,  (max)
04/20 23Z,   0.00,   2.09,  99.90,   2.18,   0.09,
04/21 00Z,   0.00,   0.78,  99.90,   0.87,   0.09,
04/21 01Z,   0.00,  -0.68,  99.90,  -0.59,   0.09,
04/21 02Z,   0.00,  -2.01,  99.90,  -1.92,   0.09,
04/21 03Z,   0.00,  -2.95,  99.90,  -2.87,   0.09,
04/21 04Z,   0.00,  -3.02,  99.90,  -2.94,   0.09,  (min)
04/21 05Z,   0.00,  -2.00,  99.90,  -1.91,   0.09,
04/21 06Z,   0.00,  -0.39,  99.90,  -0.30,   0.09,
04/21 07Z,   0.00,   1.21,  99.90,   1.30,   0.09,
04/21 08Z,   0.00,   2.67,  99.90,   2.76,   0.09,
04/21 09Z,   0.00,   3.76,  99.90,   3.84,   0.09,
04/21 10Z,   0.00,   4.02,  99.90,   4.11,   0.09,  (max)
04/21 11Z,   0.20,   3.30,  99.90,   3.59,   0.09,
04/21 12Z,   0.30,   1.84,  99.90,   2.23,   0.09,
04/21 13Z,   0.40,   0.06,  99.90,   0.55,   0.09,
04/21 14Z,   0.40,  -1.70,  99.90,  -1.21,   0.09,
04/21 15Z,   0.40,  -3.21,  99.90,  -2.72,   0.09,
04/21 16Z,   0.40,  -4.06,  99.90,  -3.57,   0.09,  (min)
04/21 17Z,   0.40,  -3.79,  99.90,  -3.30,   0.09,
04/21 18Z,   0.40,  -2.57,  99.90,  -2.08,   0.09,
04/21 19Z,   0.50,  -1.03,  99.90,  -0.44,   0.09,
04/21 20Z,   0.50,   0.54,  99.90,   1.13,   0.09,
04/21 21Z,   0.60,   2.02,  99.90,   2.71,   0.09,
04/21 22Z,   0.70,   2.99,  99.90,   3.78,   0.09,
04/21 23Z,   0.80,   3.04,  99.90,   3.93,   0.09,  (max)
04/22 00Z,   0.80,   2.21,  99.90,   3.10,   0.09,
04/22 01Z,   0.80,   0.84,  99.90,   1.73,   0.09,
04/22 02Z,   0.90,  -0.70,  99.90,   0.29,   0.09,
04/22 03Z,   0.80,  -2.14,  99.90,  -1.25,   0.09,
04/22 04Z,   0.80,  -3.17,  99.90,  -2.28,   0.09,
04/22 05Z,   0.70,  -3.24,  99.90,  -2.45,   0.09,  (min)
04/22 06Z,   0.70,  -2.19,  99.90,  -1.40,   0.09,
04/22 07Z,   0.70,  -0.56,  99.90,   0.23,   0.09,
04/22 08Z,   0.70,   1.12,  99.90,   1.91,   0.09,
04/22 09Z,   0.70,   2.71,  99.90,   3.50,   0.09,
04/22 10Z,   0.60,   3.89,  99.90,   4.58,   0.09,
04/22 11Z,   0.70,   4.17,  99.90,   4.96,   0.09,  (max)
04/22 12Z,   0.60,   3.42,  99.90,   4.11,   0.09,
04/22 13Z,   0.60,   1.91,  99.90,   2.60,   0.09,
04/22 14Z,   0.60,   0.06,  99.90,   0.75,   0.09,
04/22 15Z,   0.60,  -1.81,  99.90,  -1.12,   0.09,
04/22 16Z,   0.60,  -3.43,  99.90,  -2.74,   0.09,
04/22 17Z,   0.60,  -4.30,  99.90,  -3.61,   0.09,  (min)
04/22 18Z,   0.60,  -3.96,  99.90,  -3.27,   0.09,
04/22 19Z,   0.60,  -2.64,  99.90,  -1.95,   0.09,
04/22 20Z,   0.70,  -0.97,  99.90,  -0.18,   0.09,
04/22 21Z,   0.70,   0.79,  99.90,   1.58,   0.09,
04/22 22Z,   0.70,   2.45,  99.90,   3.24,   0.09,
04/22 23Z,   0.60,   3.46,  99.90,   4.15,   0.09,  (max)
04/23 00Z,   0.60,   3.45,  99.90,   4.14,   0.09,
04/23 01Z,   0.60,   2.51,  99.90,   3.20,   0.09,
04/23 02Z,   0.50,   0.99,  99.90,   1.58,   0.09,
04/23 03Z,   0.40,  -0.75,  99.90,  -0.26,   0.09,
04/23 04Z,   0.30,  -2.43,  99.90,  -2.04,   0.09,
04/23 05Z,   0.20,  -3.62,  99.90,  -3.33,   0.09,
04/23 06Z,   0.20,  -3.71,  99.90,  -3.42,   0.09,  (min)
04/23 07Z,   0.20,  -2.59,  99.90,  -2.30,   0.09,
04/23 08Z,   0.30,  -0.86,  99.90,  -0.47,   0.09,
04/23 09Z,   0.30,   1.01,  99.90,   1.40,   0.09,
04/23 10Z,   0.40,   2.83,  99.90,   3.32,   0.09,
04/23 11Z,   0.50,   4.15,  99.90,   4.74,   0.09,
04/23 12Z,   0.50,   4.45,  99.90,   5.04,   0.09,  (max)
04/23 13Z,   0.50,   3.65,  99.90,   4.24,   0.09,
04/23 14Z,   0.40,   2.05,  99.90,   2.54,   0.09,
04/23 15Z,   0.50,   0.05,  99.90,   0.64,   0.09,
04/23 16Z,   0.40,  -2.02,  99.90,  -1.53,   0.09,
04/23 17Z,   0.40,  -3.81,  99.90,  -3.32,   0.09,
04/23 18Z,   0.40,  -4.69,  99.90,  -4.20,   0.09,  (min)
04/23 19Z,   0.40,  -4.22,  99.90,  -3.73,   0.09,
04/23 20Z,   0.40,  -2.72,  99.90,  -2.23,   0.09,
04/23 21Z,   0.40,  -0.81,  99.90,  -0.32,   0.09,
04/23 22Z,   0.40,   1.25,  99.90,   1.74,   0.09,
04/23 23Z,   0.40,   3.10,  99.90,   3.59,   0.09,
04/24 00Z,   0.40,   4.14,  99.90,   4.63,   0.09,