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 : 07/12/2025 22:21:42 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/11 06Z,   0.40,  -4.40,  -3.92,  99.90,   0.08,
07/11 07Z,   0.40,  -6.49,  -5.81,  99.90,   0.28,
07/11 08Z,   0.40,  -8.83,  -8.15,  99.90,   0.28,
07/11 09Z,   0.40, -11.00, -10.32,  99.90,   0.28,
07/11 10Z,   0.30, -12.28, -11.83,  99.90,   0.15,
07/11 11Z,   0.40, -12.16, -11.84,  99.90,  -0.08,  (min)
07/11 12Z,   0.40, -10.95, -10.50,  99.90,   0.05,
07/11 13Z,   0.40,  -9.21,  -8.88,  99.90,  -0.07,
07/11 14Z,   0.40,  -7.17,  -7.02,  99.90,  -0.25,
07/11 15Z,   0.40,  -5.20,  -4.85,  99.90,  -0.05,
07/11 16Z,   0.40,  -3.95,  -3.55,  99.90,  -0.00,
07/11 17Z,   0.40,  -3.77,  -3.34,  99.90,   0.03,  (max)
07/11 18Z,   0.40,  -4.59,  -4.16,  99.90,   0.03,
07/11 19Z,   0.40,  -6.12,  -5.70,  99.90,   0.02,
07/11 20Z,   0.50,  -8.01,  -7.47,  99.90,   0.04,
07/11 21Z,   0.50,  -9.90,  -9.41,  99.90,  -0.01,
07/11 22Z,   0.50, -11.17, -10.68,  99.90,  -0.01,
07/11 23Z,   0.50, -11.13, -10.82,  99.90,  -0.19,  (min)
07/12 00Z,   0.40,  -9.82,  -9.37,  99.90,   0.05,
07/12 01Z,   0.40,  -7.90,  -7.62,  99.90,  -0.12,
07/12 02Z,   0.40,  -5.79,  -5.53,  99.90,  -0.14,
07/12 03Z,   0.40,  -3.78,  -3.51,  99.90,  -0.13,
07/12 04Z,   0.40,  -2.41,  -2.08,  99.90,  -0.07,
07/12 05Z,   0.40,  -2.18,  -1.71,  99.90,   0.07,  (max)
07/12 06Z,   0.30,  -3.13,  -2.77,  99.90,   0.06,
07/12 07Z,   0.30,  -4.96,  -4.62,  99.90,   0.04,
07/12 08Z,   0.30,  -7.26,  -6.63,  99.90,   0.33,
07/12 09Z,   0.30,  -9.69,  -9.18,  99.90,   0.21,
07/12 10Z,   0.30, -11.72, -11.14,  99.90,   0.28,
07/12 11Z,   0.30, -12.62, -12.20,  99.90,   0.12,  (min)
07/12 12Z,   0.40, -12.04, -11.66,  99.90,  -0.02,
07/12 13Z,   0.30, -10.47, -10.07,  99.90,   0.10,
07/12 14Z,   0.30,  -8.49,  -8.20,  99.90,  -0.01,
07/12 15Z,   0.30,  -6.36,  -6.12,  99.90,  -0.06,
07/12 16Z,   0.30,  -4.50,  -4.06,  99.90,   0.14,
07/12 17Z,   0.30,  -3.52,  -3.09,  99.90,   0.13,  (max)
07/12 18Z,   0.40,  -3.70,  -3.17,  99.90,   0.13,
07/12 19Z,   0.40,  -4.86,  -4.34,  99.90,   0.12,
07/12 20Z,   0.40,  -6.66,  -6.12,  99.90,   0.14,
07/12 21Z,   0.40,  -8.69,  -8.19,  99.90,   0.10,
07/12 22Z,   0.40, -10.54, -10.02,  99.90,   0.12,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/12 23Z,   0.40, -11.54,  99.90, -11.02,   0.11,  (min)
07/13 00Z,   0.40, -11.09,  99.90, -10.59,   0.11,
07/13 01Z,   0.40,  -9.44,  99.90,  -8.94,   0.10,
07/13 02Z,   0.30,  -7.31,  99.90,  -6.92,   0.09,
07/13 03Z,   0.30,  -5.13,  99.90,  -4.75,   0.08,
07/13 04Z,   0.30,  -3.20,  99.90,  -2.83,   0.07,
07/13 05Z,   0.20,  -2.10,  99.90,  -1.83,   0.07,  (max)
07/13 06Z,   0.20,  -2.24,  99.90,  -1.98,   0.06,
07/13 07Z,   0.20,  -3.54,  99.90,  -3.29,   0.05,
07/13 08Z,   0.20,  -5.64,  99.90,  -5.40,   0.04,
07/13 09Z,   0.20,  -8.11,  99.90,  -7.87,   0.04,
07/13 10Z,   0.20, -10.51,  99.90, -10.29,   0.03,
07/13 11Z,   0.20, -12.31,  99.90, -12.08,   0.03,
07/13 12Z,   0.20, -12.76,  99.90, -12.53,   0.03,  (min)
07/13 13Z,   0.20, -11.72,  99.90, -11.50,   0.03,
07/13 14Z,   0.20,  -9.83,  99.90,  -9.61,   0.03,
07/13 15Z,   0.20,  -7.68,  99.90,  -7.45,   0.03,
07/13 16Z,   0.20,  -5.51,  99.90,  -5.28,   0.03,
07/13 17Z,   0.20,  -3.82,  99.90,  -3.60,   0.03,
07/13 18Z,   0.20,  -3.18,  99.90,  -2.95,   0.03,  (max)
07/13 19Z,   0.20,  -3.73,  99.90,  -3.50,   0.03,
07/13 20Z,   0.20,  -5.23,  99.90,  -5.00,   0.03,
07/13 21Z,   0.30,  -7.25,  99.90,  -6.92,   0.03,
07/13 22Z,   0.30,  -9.36,  99.90,  -9.04,   0.03,
07/13 23Z,   0.20, -11.11,  99.90, -10.88,   0.03,
07/14 00Z,   0.20, -11.79,  99.90, -11.56,   0.03,  (min)
07/14 01Z,   0.20, -10.95,  99.90, -10.73,   0.03,
07/14 02Z,   0.20,  -9.03,  99.90,  -8.80,   0.03,
07/14 03Z,   0.20,  -6.78,  99.90,  -6.55,   0.03,
07/14 04Z,   0.20,  -4.58,  99.90,  -4.35,   0.03,
07/14 05Z,   0.10,  -2.79,  99.90,  -2.67,   0.03,
07/14 06Z,   0.10,  -1.99,  99.90,  -1.86,   0.03,  (max)
07/14 07Z,   0.10,  -2.48,  99.90,  -2.35,   0.03,
07/14 08Z,   0.10,  -4.09,  99.90,  -3.96,   0.03,
07/14 09Z,   0.10,  -6.40,  99.90,  -6.27,   0.03,
07/14 10Z,   0.20,  -8.92,  99.90,  -8.69,   0.03,
07/14 11Z,   0.20, -11.22,  99.90, -10.99,   0.03,
07/14 12Z,   0.20, -12.68,  99.90, -12.46,   0.03,  (min)
07/14 13Z,   0.20, -12.67,  99.90, -12.44,   0.03,
07/14 14Z,   0.20, -11.22,  99.90, -10.99,   0.03,
07/14 15Z,   0.20,  -9.09,  99.90,  -8.86,   0.03,
07/14 16Z,   0.10,  -6.82,  99.90,  -6.69,   0.03,
07/14 17Z,   0.20,  -4.69,  99.90,  -4.46,   0.03,
07/14 18Z,   0.20,  -3.23,  99.90,  -3.00,   0.03,
07/14 19Z,   0.20,  -2.94,  99.90,  -2.71,   0.03,  (max)
07/14 20Z,   0.20,  -3.85,  99.90,  -3.62,   0.03,
07/14 21Z,   0.20,  -5.64,  99.90,  -5.41,   0.03,
07/14 22Z,   0.20,  -7.82,  99.90,  -7.59,   0.03,
07/14 23Z,   0.20,  -9.96,  99.90,  -9.73,   0.03,
07/15 00Z,   0.20, -11.56,  99.90, -11.33,   0.03,
07/15 01Z,   0.20, -11.93,  99.90, -11.70,   0.03,  (min)
07/15 02Z,   0.20, -10.77,  99.90, -10.54,   0.03,
07/15 03Z,   0.20,  -8.66,  99.90,  -8.43,   0.03,
07/15 04Z,   0.10,  -6.36,  99.90,  -6.23,   0.03,
07/15 05Z,   0.10,  -4.21,  99.90,  -4.08,   0.03,
07/15 06Z,   0.10,  -2.60,  99.90,  -2.47,   0.03,
07/15 07Z,   0.10,  -2.08,  99.90,  -1.95,   0.03,  (max)
07/15 08Z,   0.10,  -2.87,  99.90,  -2.74,   0.03,
07/15 09Z,   0.20,  -4.71,  99.90,  -4.48,   0.03,
07/15 10Z,   0.20,  -7.12,  99.90,  -6.89,   0.03,
07/15 11Z,   0.20,  -9.60,  99.90,  -9.38,   0.03,
07/15 12Z,   0.20, -11.71,  99.90, -11.48,   0.03,
07/15 13Z,   0.20, -12.82,  99.90, -12.59,   0.03,  (min)
07/15 14Z,   0.10, -12.37,  99.90, -12.24,   0.03,
07/15 15Z,   0.20, -10.60,  99.90, -10.37,   0.03,
07/15 16Z,   0.20,  -8.30,  99.90,  -8.08,   0.03,
07/15 17Z,   0.20,  -5.99,  99.90,  -5.76,   0.03,
07/15 18Z,   0.10,  -3.96,  99.90,  -3.83,   0.03,
07/15 19Z,   0.10,  -2.75,  99.90,  -2.62,   0.03,  (max)
07/15 20Z,   0.10,  -2.80,  99.90,  -2.67,   0.03,
07/15 21Z,   0.10,  -4.02,  99.90,  -3.89,   0.03,
07/15 22Z,   0.20,  -6.03,  99.90,  -5.80,   0.03,
07/15 23Z,   0.20,  -8.31,  99.90,  -8.09,   0.03,
07/16 00Z,   0.10, -10.44,  99.90, -10.31,   0.03,
07/16 01Z,   0.10, -11.88,  99.90, -11.75,   0.03,  (min)
07/16 02Z,   0.20, -11.98,  99.90, -11.75,   0.03,
07/16 03Z,   0.20, -10.59,  99.90, -10.37,   0.03,
07/16 04Z,   0.10,  -8.42,  99.90,  -8.29,   0.03,
07/16 05Z,   0.10,  -6.14,  99.90,  -6.01,   0.03,
07/16 06Z,   0.10,  -4.06,  99.90,  -3.93,   0.03,
07/16 07Z,   0.10,  -2.62,  99.90,  -2.49,   0.03,
07/16 08Z,   0.10,  -2.34,  99.90,  -2.21,   0.03,  (max)
07/16 09Z,   0.10,  -3.35,  99.90,  -3.22,   0.03,
07/16 10Z,   0.10,  -5.31,  99.90,  -5.18,   0.03,
07/16 11Z,   0.10,  -7.71,  99.90,  -7.59,   0.03,
07/16 12Z,   0.20, -10.08,  99.90,  -9.86,   0.03,
07/16 13Z,  99.90, -11.97,  99.90,  99.90,   0.03,
07/16 14Z,  99.90, -12.73,  99.90,  99.90,   0.03,
07/16 15Z,  99.90, -11.92,  99.90,  99.90,   0.03,
07/16 16Z,  99.90,  -9.93,  99.90,  99.90,   0.03,
07/16 17Z,  99.90,  -7.57,  99.90,  99.90,   0.03,
07/16 18Z,  99.90,  -5.27,  99.90,  99.90,   0.03,