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 : 02/12/2026 20:22:37 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/11 00Z,   0.90,  -5.42,  -4.43,  99.90,   0.09,  (max)
02/11 01Z,   0.90,  -6.39,  -5.37,  99.90,   0.12,
02/11 02Z,   0.90,  -7.62,  -6.59,  99.90,   0.13,
02/11 03Z,   0.90,  -8.97,  -8.09,  99.90,  -0.02,
02/11 04Z,   0.80, -10.08,  -9.14,  99.90,   0.14,
02/11 05Z,   1.00, -10.38,  -9.36,  99.90,   0.02,  (min)
02/11 06Z,   0.90,  -9.75,  -8.76,  99.90,   0.09,
02/11 07Z,   0.90,  -8.65,  -7.48,  99.90,   0.27,
02/11 08Z,   0.90,  -7.30,  -5.94,  99.90,   0.46,
02/11 09Z,   0.90,  -5.74,  -4.40,  99.90,   0.44,
02/11 10Z,   1.00,  -4.42,  -2.87,  99.90,   0.55,
02/11 11Z,   1.00,  -3.87,  -2.50,  99.90,   0.37,  (max)
02/11 12Z,   1.00,  -4.18,  -2.73,  99.90,   0.45,
02/11 13Z,   0.90,  -5.14,  -3.87,  99.90,   0.37,
02/11 14Z,   0.90,  -6.49,  -5.32,  99.90,   0.27,
02/11 15Z,   1.00,  -8.07,  -6.89,  99.90,   0.18,
02/11 16Z,   0.90,  -9.68,  -8.77,  99.90,   0.01,
02/11 17Z,   0.90, -10.77,  -9.84,  99.90,   0.03,
02/11 18Z,   0.80, -10.90, -10.10,  99.90,   0.00,  (min)
02/11 19Z,   0.80, -10.33,  -9.39,  99.90,   0.14,
02/11 20Z,   0.80,  -9.36,  -8.31,  99.90,   0.25,
02/11 21Z,   0.80,  -7.99,  -6.87,  99.90,   0.32,
02/11 22Z,   0.70,  -6.47,  -5.39,  99.90,   0.38,
02/11 23Z,   0.80,  -5.38,  -4.27,  99.90,   0.31,
02/12 00Z,   0.80,  -5.08,  -3.90,  99.90,   0.38,  (max)
02/12 01Z,   0.80,  -5.50,  -4.29,  99.90,   0.41,
02/12 02Z,   0.70,  -6.40,  -5.43,  99.90,   0.27,
02/12 03Z,   0.80,  -7.61,  -6.68,  99.90,   0.13,
02/12 04Z,   0.80,  -8.96,  -8.28,  99.90,  -0.12,
02/12 05Z,   0.70, -10.05,  -9.28,  99.90,   0.07,
02/12 06Z,   0.70, -10.29,  -9.47,  99.90,   0.12,  (min)
02/12 07Z,   0.70,  -9.66,  -8.91,  99.90,   0.05,
02/12 08Z,   0.70,  -8.59,  -7.84,  99.90,   0.05,
02/12 09Z,   0.70,  -7.21,  -6.30,  99.90,   0.21,
02/12 10Z,   0.70,  -5.62,  -4.82,  99.90,   0.10,
02/12 11Z,   0.80,  -4.31,  -3.42,  99.90,   0.09,
02/12 12Z,   0.80,  -3.80,  -2.71,  99.90,   0.29,  (max)
02/12 13Z,   0.80,  -4.13,  -3.01,  99.90,   0.32,
02/12 14Z,   0.80,  -5.10,  -3.95,  99.90,   0.35,
02/12 15Z,   0.90,  -6.48,  -5.47,  99.90,   0.11,
02/12 16Z,   0.90,  -8.15,  -7.22,  99.90,   0.03,
02/12 17Z,   0.90,  -9.83,  -8.77,  99.90,   0.16,
02/12 18Z,   0.80, -10.92, -10.09,  99.90,   0.03,
02/12 19Z,   0.80, -11.04, -10.25,  99.90,  -0.01,  (min)
02/12 20Z,   0.80, -10.46,  -9.76,  99.90,  -0.10,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/12 21Z,   0.80,  -9.44,  99.90,  -8.73,  -0.09,
02/12 22Z,   0.70,  -7.96,  99.90,  -7.34,  -0.07,
02/12 23Z,   0.70,  -6.36,  99.90,  -5.73,  -0.06,
02/13 00Z,   0.70,  -5.27,  99.90,  -4.62,  -0.05,
02/13 01Z,   0.70,  -4.98,  99.90,  -4.32,  -0.04,  (max)
02/13 02Z,   0.60,  -5.42,  99.90,  -4.84,  -0.03,
02/13 03Z,   0.60,  -6.36,  99.90,  -5.78,  -0.01,
02/13 04Z,   0.60,  -7.66,  99.90,  -7.06,  -0.00,
02/13 05Z,   0.60,  -9.12,  99.90,  -8.51,   0.01,
02/13 06Z,   0.60, -10.24,  99.90,  -9.62,   0.02,
02/13 07Z,   0.60, -10.42,  99.90,  -9.78,   0.03,  (min)
02/13 08Z,   0.60,  -9.73,  99.90,  -9.08,   0.05,
02/13 09Z,   0.60,  -8.58,  99.90,  -7.93,   0.05,
02/13 10Z,   0.60,  -7.06,  99.90,  -6.41,   0.05,
02/13 11Z,   0.60,  -5.35,  99.90,  -4.70,   0.05,
02/13 12Z,   0.70,  -4.03,  99.90,  -3.28,   0.05,
02/13 13Z,   0.70,  -3.55,  99.90,  -2.81,   0.05,  (max)
02/13 14Z,   0.70,  -3.96,  99.90,  -3.21,   0.05,
02/13 15Z,   0.70,  -5.03,  99.90,  -4.29,   0.05,
02/13 16Z,   0.60,  -6.57,  99.90,  -5.92,   0.05,
02/13 17Z,   0.60,  -8.42,  99.90,  -7.77,   0.05,
02/13 18Z,   0.60, -10.21,  99.90,  -9.56,   0.05,
02/13 19Z,   0.60, -11.27,  99.90, -10.62,   0.05,
02/13 20Z,   0.60, -11.29,  99.90, -10.65,   0.05,  (min)
02/13 21Z,   0.60, -10.60,  99.90,  -9.95,   0.05,
02/13 22Z,   0.60,  -9.39,  99.90,  -8.75,   0.05,
02/13 23Z,   0.60,  -7.72,  99.90,  -7.07,   0.05,
02/14 00Z,   0.60,  -6.02,  99.90,  -5.38,   0.05,
02/14 01Z,   0.60,  -4.94,  99.90,  -4.29,   0.05,
02/14 02Z,   0.60,  -4.73,  99.90,  -4.08,   0.05,  (max)
02/14 03Z,   0.50,  -5.28,  99.90,  -4.73,   0.05,
02/14 04Z,   0.50,  -6.39,  99.90,  -5.85,   0.05,
02/14 05Z,   0.50,  -7.89,  99.90,  -7.34,   0.05,
02/14 06Z,   0.40,  -9.51,  99.90,  -9.06,   0.05,
02/14 07Z,   0.50, -10.62,  99.90, -10.08,   0.05,
02/14 08Z,   0.50, -10.68,  99.90, -10.13,   0.05,  (min)
02/14 09Z,   0.50,  -9.82,  99.90,  -9.28,   0.05,
02/14 10Z,   0.50,  -8.48,  99.90,  -7.93,   0.05,
02/14 11Z,   0.50,  -6.74,  99.90,  -6.19,   0.05,
02/14 12Z,   0.50,  -4.89,  99.90,  -4.35,   0.05,
02/14 13Z,   0.50,  -3.58,  99.90,  -3.03,   0.05,
02/14 14Z,   0.50,  -3.21,  99.90,  -2.67,   0.05,  (max)
02/14 15Z,   0.50,  -3.79,  99.90,  -3.24,   0.05,
02/14 16Z,   0.50,  -5.08,  99.90,  -4.53,   0.05,
02/14 17Z,   0.50,  -6.86,  99.90,  -6.32,   0.05,
02/14 18Z,   0.50,  -8.94,  99.90,  -8.39,   0.05,
02/14 19Z,   0.50, -10.81,  99.90, -10.26,   0.05,
02/14 20Z,   0.50, -11.75,  99.90, -11.20,   0.05,  (min)
02/14 21Z,   0.50, -11.55,  99.90, -11.00,   0.05,
02/14 22Z,   0.50, -10.61,  99.90, -10.06,   0.05,
02/14 23Z,   0.50,  -9.12,  99.90,  -8.57,   0.05,
02/15 00Z,   0.50,  -7.21,  99.90,  -6.67,   0.05,
02/15 01Z,   0.50,  -5.45,  99.90,  -4.91,   0.05,
02/15 02Z,   0.50,  -4.46,  99.90,  -3.91,   0.05,  (max)
02/15 03Z,   0.40,  -4.42,  99.90,  -3.97,   0.05,
02/15 04Z,   0.40,  -5.21,  99.90,  -4.77,   0.05,
02/15 05Z,   0.40,  -6.59,  99.90,  -6.15,   0.05,
02/15 06Z,   0.40,  -8.35,  99.90,  -7.91,   0.05,
02/15 07Z,   0.30, -10.11,  99.90,  -9.76,   0.05,
02/15 08Z,   0.40, -11.14,  99.90, -10.69,   0.05,  (min)
02/15 09Z,   0.40, -10.95,  99.90, -10.50,   0.05,
02/15 10Z,   0.40,  -9.83,  99.90,  -9.38,   0.05,
02/15 11Z,   0.40,  -8.19,  99.90,  -7.75,   0.05,
02/15 12Z,   0.40,  -6.21,  99.90,  -5.76,   0.05,
02/15 13Z,   0.40,  -4.26,  99.90,  -3.82,   0.05,
02/15 14Z,   0.40,  -3.04,  99.90,  -2.59,   0.05,
02/15 15Z,   0.30,  -2.89,  99.90,  -2.54,   0.05,  (max)
02/15 16Z,   0.30,  -3.75,  99.90,  -3.40,   0.05,
02/15 17Z,   0.20,  -5.35,  99.90,  -5.10,   0.05,
02/15 18Z,   0.10,  -7.44,  99.90,  -7.29,   0.05,
02/15 19Z,   0.10,  -9.71,  99.90,  -9.57,   0.05,
02/15 20Z,   0.10, -11.55,  99.90, -11.40,   0.05,
02/15 21Z,   0.20, -12.22,  99.90, -11.97,   0.05,  (min)
02/15 22Z,   0.30, -11.67,  99.90, -11.32,   0.05,
02/15 23Z,   0.40, -10.37,  99.90,  -9.92,   0.05,
02/16 00Z,   0.50,  -8.54,  99.90,  -8.00,   0.05,
02/16 01Z,   0.60,  -6.44,  99.90,  -5.80,   0.05,
02/16 02Z,   0.60,  -4.71,  99.90,  -4.06,   0.05,
02/16 03Z,   0.60,  -3.92,  99.90,  -3.27,   0.05,  (max)
02/16 04Z,   0.60,  -4.18,  99.90,  -3.54,   0.05,
02/16 05Z,   0.50,  -5.32,  99.90,  -4.77,   0.05,
02/16 06Z,   0.50,  -7.04,  99.90,  -6.49,   0.05,
02/16 07Z,   0.50,  -9.05,  99.90,  -8.50,   0.05,
02/16 08Z,   0.60, -10.86,  99.90, -10.21,   0.05,
02/16 09Z,   0.60, -11.67,  99.90, -11.02,   0.05,  (min)
02/16 10Z,   0.60, -11.12,  99.90, -10.48,   0.05,
02/16 11Z,   0.70,  -9.65,  99.90,  -8.90,   0.05,
02/16 12Z,   0.70,  -7.69,  99.90,  -6.95,   0.05,