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 : 11/16/2025 06:22:17 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
11/14 12Z,   0.60,  -3.47,  -3.06,  99.90,  -0.19,  (max)
11/14 13Z,   0.50,  -4.19,  -3.88,  99.90,  -0.19,
11/14 14Z,   0.50,  -5.62,  -5.40,  99.90,  -0.28,
11/14 15Z,   0.50,  -7.59,  -7.32,  99.90,  -0.23,
11/14 16Z,   0.50,  -9.64,  -9.28,  99.90,  -0.14,
11/14 17Z,   0.50, -10.98, -10.90,  99.90,  -0.42,
11/14 18Z,   0.50, -11.18, -11.19,  99.90,  -0.51,  (min)
11/14 19Z,   0.50, -10.50, -10.27,  99.90,  -0.27,
11/14 20Z,   0.50,  -9.15,  -9.04,  99.90,  -0.39,
11/14 21Z,   0.60,  -7.20,  -7.21,  99.90,  -0.61,
11/14 22Z,   0.60,  -5.18,  -5.19,  99.90,  -0.61,
11/14 23Z,   0.60,  -3.79,  -3.51,  99.90,  -0.32,
11/15 00Z,   0.40,  -3.35,  -2.94,  99.90,   0.01,  (max)
11/15 01Z,   0.40,  -3.81,  -3.57,  99.90,  -0.16,
11/15 02Z,   0.40,  -5.01,  -4.59,  99.90,   0.02,
11/15 03Z,   0.40,  -6.83,  -6.35,  99.90,   0.08,
11/15 04Z,   0.40,  -9.00,  -8.31,  99.90,   0.29,
11/15 05Z,   0.40, -10.82, -10.11,  99.90,   0.31,
11/15 06Z,   0.30, -11.58, -11.03,  99.90,   0.25,  (min)
11/15 07Z,   0.30, -11.29, -10.68,  99.90,   0.31,
11/15 08Z,   0.30, -10.22,  -9.47,  99.90,   0.45,
11/15 09Z,   0.30,  -8.43,  -7.86,  99.90,   0.27,
11/15 10Z,   0.30,  -6.23,  -5.83,  99.90,   0.10,
11/15 11Z,   0.30,  -4.36,  -3.92,  99.90,   0.14,
11/15 12Z,   0.40,  -3.34,  -2.81,  99.90,   0.13,  (max)
11/15 13Z,   0.40,  -3.30,  -2.92,  99.90,  -0.02,
11/15 14Z,   0.30,  -4.12,  -3.88,  99.90,  -0.06,
11/15 15Z,   0.30,  -5.66,  -5.29,  99.90,   0.07,
11/15 16Z,   0.30,  -7.76,  -7.25,  99.90,   0.21,
11/15 17Z,   0.30,  -9.88,  -9.39,  99.90,   0.19,
11/15 18Z,   0.40, -11.21, -10.71,  99.90,   0.10,
11/15 19Z,   0.40, -11.41, -10.92,  99.90,   0.09,  (min)
11/15 20Z,   0.40, -10.73, -10.01,  99.90,   0.32,
11/15 21Z,   0.40,  -9.30,  -8.72,  99.90,   0.18,
11/15 22Z,   0.40,  -7.26,  -6.87,  99.90,  -0.01,
11/15 23Z,   0.40,  -5.22,  -4.83,  99.90,  -0.01,
11/16 00Z,   0.50,  -3.86,  -3.28,  99.90,   0.08,
11/16 01Z,   0.50,  -3.45,  -2.67,  99.90,   0.28,  (max)
11/16 02Z,   0.50,  -3.94,  -3.41,  99.90,   0.03,
11/16 03Z,   0.40,  -5.18,  -4.61,  99.90,   0.17,
11/16 04Z,   0.40,  -7.05,  -6.42,  99.90,   0.23,
11/16 05Z,   0.40,  -9.22,  -8.08,  99.90,   0.74,
11/16 06Z,   0.60, -10.91,  -9.85,  99.90,   0.46,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
11/16 07Z,   0.60, -11.50,  99.90, -10.47,   0.43,  (min)
11/16 08Z,   0.60, -11.06,  99.90, -10.07,   0.40,
11/16 09Z,   0.70,  -9.84,  99.90,  -8.77,   0.37,
11/16 10Z,   0.70,  -7.90,  99.90,  -6.87,   0.34,
11/16 11Z,   0.80,  -5.66,  99.90,  -4.56,   0.30,
11/16 12Z,   0.70,  -3.89,  99.90,  -2.91,   0.27,
11/16 13Z,   0.60,  -3.05,  99.90,  -2.20,   0.24,  (max)
11/16 14Z,   0.50,  -3.19,  99.90,  -2.48,   0.21,
11/16 15Z,   0.40,  -4.20,  99.90,  -3.62,   0.18,
11/16 16Z,   0.30,  -5.93,  99.90,  -5.48,   0.15,
11/16 17Z,   0.10,  -8.19,  99.90,  -7.97,   0.12,
11/16 18Z,   0.00, -10.34,  99.90, -10.25,   0.09,
11/16 19Z,   0.10, -11.57,  99.90, -11.38,   0.09,
11/16 20Z,   0.10, -11.64,  99.90, -11.45,   0.09,  (min)
11/16 21Z,   0.20, -10.83,  99.90, -10.54,   0.09,
11/16 22Z,   0.30,  -9.24,  99.90,  -8.85,   0.09,
11/16 23Z,   0.30,  -7.09,  99.90,  -6.70,   0.09,
11/17 00Z,   0.30,  -5.05,  99.90,  -4.66,   0.09,
11/17 01Z,   0.20,  -3.80,  99.90,  -3.51,   0.09,
11/17 02Z,   0.10,  -3.52,  99.90,  -3.33,   0.09,  (max)
11/17 03Z,   0.00,  -4.14,  99.90,  -4.05,   0.09,
11/17 04Z,   0.00,  -5.50,  99.90,  -5.41,   0.09,
11/17 05Z,  -0.10,  -7.45,  99.90,  -7.46,   0.09,
11/17 06Z,  -0.20,  -9.58,  99.90,  -9.69,   0.09,
11/17 07Z,  -0.30, -11.08,  99.90, -11.29,   0.09,
11/17 08Z,  -0.50, -11.40,  99.90, -11.81,   0.09,  (min)
11/17 09Z,  -0.50, -10.72,  99.90, -11.13,   0.09,
11/17 10Z,  -0.60,  -9.27,  99.90,  -9.78,   0.09,
11/17 11Z,  -0.60,  -7.18,  99.90,  -7.69,   0.09,
11/17 12Z,  -0.60,  -4.96,  99.90,  -5.47,   0.09,
11/17 13Z,  -0.60,  -3.37,  99.90,  -3.88,   0.09,
11/17 14Z,  -0.70,  -2.80,  99.90,  -3.41,   0.09,  (max)
11/17 15Z,  -0.70,  -3.24,  99.90,  -3.85,   0.09,
11/17 16Z,  -0.80,  -4.51,  99.90,  -5.22,   0.09,
11/17 17Z,  -0.80,  -6.47,  99.90,  -7.18,   0.09,
11/17 18Z,  -0.80,  -8.84,  99.90,  -9.55,   0.09,
11/17 19Z,  -0.80, -10.92,  99.90, -11.63,   0.09,
11/17 20Z,  -0.80, -11.93,  99.90, -12.64,   0.09,  (min)
11/17 21Z,  -0.80, -11.76,  99.90, -12.47,   0.09,
11/17 22Z,  -0.90, -10.73,  99.90, -11.54,   0.09,
11/17 23Z,  -0.90,  -8.93,  99.90,  -9.74,   0.09,
11/18 00Z,  -0.90,  -6.69,  99.90,  -7.50,   0.09,
11/18 01Z,  -0.90,  -4.74,  99.90,  -5.55,   0.09,
11/18 02Z,  -0.80,  -3.68,  99.90,  -4.39,   0.09,
11/18 03Z,  -0.80,  -3.63,  99.90,  -4.34,   0.09,  (max)
11/18 04Z,  -0.80,  -4.45,  99.90,  -5.16,   0.09,
11/18 05Z,  -0.80,  -5.98,  99.90,  -6.69,   0.09,
11/18 06Z,  -0.70,  -8.01,  99.90,  -8.62,   0.09,
11/18 07Z,  -0.70, -10.04,  99.90, -10.65,   0.09,
11/18 08Z,  -0.60, -11.23,  99.90, -11.74,   0.09,  (min)
11/18 09Z,  -0.60, -11.19,  99.90, -11.70,   0.09,
11/18 10Z,  -0.50, -10.21,  99.90, -10.62,   0.09,
11/18 11Z,  -0.50,  -8.52,  99.90,  -8.93,   0.09,
11/18 12Z,  -0.60,  -6.33,  99.90,  -6.84,   0.09,
11/18 13Z,  -0.60,  -4.22,  99.90,  -4.73,   0.09,
11/18 14Z,  -0.70,  -2.92,  99.90,  -3.53,   0.09,
11/18 15Z,  -0.70,  -2.71,  99.90,  -3.32,   0.09,  (max)
11/18 16Z,  -0.70,  -3.49,  99.90,  -4.10,   0.09,
11/18 17Z,  -0.70,  -5.06,  99.90,  -5.67,   0.09,
11/18 18Z,  -0.70,  -7.22,  99.90,  -7.83,   0.09,
11/18 19Z,  -0.60,  -9.63,  99.90, -10.14,   0.09,
11/18 20Z,  -0.50, -11.51,  99.90, -11.92,   0.09,
11/18 21Z,  -0.40, -12.18,  99.90, -12.49,   0.09,  (min)
11/18 22Z,  -0.30, -11.69,  99.90, -11.90,   0.09,
11/18 23Z,  -0.30, -10.38,  99.90, -10.59,   0.09,
11/19 00Z,  -0.30,  -8.40,  99.90,  -8.61,   0.09,
11/19 01Z,  -0.30,  -6.15,  99.90,  -6.36,   0.09,
11/19 02Z,  -0.20,  -4.39,  99.90,  -4.50,   0.09,
11/19 03Z,  -0.30,  -3.61,  99.90,  -3.82,   0.09,  (max)
11/19 04Z,  -0.30,  -3.85,  99.90,  -4.06,   0.09,
11/19 05Z,  -0.30,  -4.92,  99.90,  -5.13,   0.09,
11/19 06Z,  -0.30,  -6.61,  99.90,  -6.82,   0.09,
11/19 07Z,  -0.30,  -8.67,  99.90,  -8.88,   0.09,
11/19 08Z,  -0.30, -10.50,  99.90, -10.71,   0.09,
11/19 09Z,  -0.30, -11.29,  99.90, -11.50,   0.09,  (min)
11/19 10Z,  -0.20, -10.84,  99.90, -10.95,   0.09,
11/19 11Z,  -0.20,  -9.53,  99.90,  -9.64,   0.09,
11/19 12Z,  -0.20,  -7.65,  99.90,  -7.76,   0.09,
11/19 13Z,  -0.20,  -5.44,  99.90,  -5.55,   0.09,
11/19 14Z,  -0.10,  -3.55,  99.90,  -3.56,   0.09,
11/19 15Z,  -0.20,  -2.63,  99.90,  -2.74,   0.09,  (max)
11/19 16Z,  -0.20,  -2.82,  99.90,  -2.93,   0.09,
11/19 17Z,  -0.20,  -3.97,  99.90,  -4.08,   0.09,
11/19 18Z,  -0.20,  -5.81,  99.90,  -5.92,   0.09,
11/19 19Z,  -0.20,  -8.11,  99.90,  -8.22,   0.09,
11/19 20Z,  -0.10, -10.44,  99.90, -10.45,   0.09,
11/19 21Z,  -0.10, -11.99,  99.90, -12.00,   0.09,
11/19 22Z,  -0.10, -12.23,  99.90, -12.24,   0.09,  (min)
11/19 23Z,   0.00, -11.38,  99.90, -11.29,   0.09,
11/20 00Z,  -0.10,  -9.82,  99.90,  -9.83,   0.09,