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.
#Portsmouth (Fort Point), NH : 01/21/2026 06:21:50 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/19 12Z,   1.30,   2.65,  99.90,   3.95,   0.00,
01/19 13Z,   1.20,   4.57,  99.90,   5.77,   0.00,
01/19 14Z,   1.10,   6.64,  99.90,   7.74,   0.00,
01/19 15Z,   1.10,   8.31,  99.90,   9.41,   0.00,
01/19 16Z,   1.00,   9.17,  99.90,  10.17,   0.00,  (max)
01/19 17Z,   1.00,   9.03,  99.90,  10.03,   0.00,
01/19 18Z,   0.80,   7.90,  99.90,   8.70,   0.00,
01/19 19Z,   0.70,   5.92,  99.90,   6.62,   0.00,
01/19 20Z,   0.60,   3.57,  99.90,   4.17,   0.00,
01/19 21Z,   0.50,   1.52,  99.90,   2.02,   0.00,
01/19 22Z,   0.30,   0.27,  99.90,   0.57,   0.00,
01/19 23Z,   0.20,   0.04,  99.90,   0.24,   0.00,  (min)
01/20 00Z,   0.00,   0.82,  99.90,   0.82,   0.00,
01/20 01Z,  -0.20,   2.42,  99.90,   2.22,   0.00,
01/20 02Z,  -0.40,   4.42,  99.90,   4.02,   0.00,
01/20 03Z,  -0.50,   6.31,  99.90,   5.81,   0.00,
01/20 04Z,  -0.60,   7.62,  99.90,   7.02,   0.00,
01/20 05Z,  -0.70,   8.05,  99.90,   7.35,   0.00,  (max)
01/20 06Z,  -0.60,   7.54,  99.90,   6.94,   0.00,
01/20 07Z,  -0.60,   6.13,  99.90,   5.53,   0.00,
01/20 08Z,  -0.60,   4.15,  99.90,   3.55,   0.00,
01/20 09Z,  -0.60,   2.24,  99.90,   1.64,   0.00,
01/20 10Z,  -0.60,   1.00,  99.90,   0.40,   0.00,
01/20 11Z,  -0.50,   0.76,  99.90,   0.26,   0.00,  (min)
01/20 12Z,  -0.40,   1.53,  99.90,   1.13,   0.00,
01/20 13Z,  -0.30,   3.16,  99.90,   2.86,   0.00,
01/20 14Z,  -0.30,   5.26,  99.90,   4.96,   0.00,
01/20 15Z,  -0.30,   7.30,  99.90,   7.00,   0.00,
01/20 16Z,  -0.30,   8.77,  99.90,   8.47,   0.00,
01/20 17Z,  -0.40,   9.30,  99.90,   8.90,   0.00,  (max)
01/20 18Z,  -0.50,   8.79,  99.90,   8.29,   0.00,
01/20 19Z,  -0.50,   7.30,  99.90,   6.80,   0.00,
01/20 20Z,  -0.60,   5.07,  99.90,   4.47,   0.00,
01/20 21Z,  -0.70,   2.68,  99.90,   1.98,   0.00,
01/20 22Z,  -0.70,   0.83,  99.90,   0.13,   0.00,
01/20 23Z,  -0.70,  -0.05,  99.90,  -0.75,   0.00,  (min)
01/21 00Z,  -0.60,   0.15,  99.90,  -0.45,   0.00,
01/21 01Z,  -0.70,   1.35,  99.90,   0.65,   0.00,
01/21 02Z,  -0.70,   3.23,  99.90,   2.53,   0.00,
01/21 03Z,  -0.80,   5.31,  99.90,   4.51,   0.00,
01/21 04Z,  -0.80,   7.09,  99.90,   6.29,   0.00,
01/21 05Z,  -0.70,   8.11,  99.90,   7.41,   0.00,
01/21 06Z,  -0.60,   8.17,  99.90,   7.57,   0.00,  (max)
01/21 07Z,  -0.50,   7.26,  99.90,   6.76,   0.00,
01/21 08Z,  -0.40,   5.54,  99.90,   5.14,   0.00,
01/21 09Z,  -0.30,   3.41,  99.90,   3.11,   0.00,
01/21 10Z,  -0.20,   1.58,  99.90,   1.38,   0.00,
01/21 11Z,  -0.10,   0.62,  99.90,   0.52,   0.00,  (min)
01/21 12Z,  -0.10,   0.73,  99.90,   0.63,   0.00,
01/21 13Z,  -0.10,   1.86,  99.90,   1.76,   0.00,
01/21 14Z,  -0.10,   3.74,  99.90,   3.64,   0.00,
01/21 15Z,  -0.10,   5.91,  99.90,   5.81,   0.00,
01/21 16Z,  -0.20,   7.84,  99.90,   7.64,   0.00,
01/21 17Z,  -0.20,   9.05,  99.90,   8.85,   0.00,
01/21 18Z,  -0.20,   9.23,  99.90,   9.03,   0.00,  (max)
01/21 19Z,  -0.20,   8.35,  99.90,   8.15,   0.00,
01/21 20Z,  -0.10,   6.56,  99.90,   6.46,   0.00,
01/21 21Z,  -0.10,   4.18,  99.90,   4.08,   0.00,
01/21 22Z,  -0.10,   1.87,  99.90,   1.77,   0.00,
01/21 23Z,   0.00,   0.31,  99.90,   0.31,   0.00,
01/22 00Z,  -0.10,  -0.16,  99.90,  -0.26,   0.00,  (min)
01/22 01Z,  -0.10,   0.49,  99.90,   0.39,   0.00,
01/22 02Z,  -0.10,   2.04,  99.90,   1.94,   0.00,
01/22 03Z,  -0.10,   4.11,  99.90,   4.01,   0.00,
01/22 04Z,  -0.20,   6.20,  99.90,   6.00,   0.00,
01/22 05Z,  -0.20,   7.78,  99.90,   7.58,   0.00,
01/22 06Z,  -0.20,   8.48,  99.90,   8.28,   0.00,  (max)
01/22 07Z,  -0.20,   8.16,  99.90,   7.96,   0.00,
01/22 08Z,  -0.20,   6.89,  99.90,   6.69,   0.00,
01/22 09Z,  -0.20,   4.91,  99.90,   4.71,   0.00,
01/22 10Z,  -0.20,   2.72,  99.90,   2.52,   0.00,
01/22 11Z,  -0.10,   1.05,  99.90,   0.95,   0.00,
01/22 12Z,  -0.10,   0.38,  99.90,   0.28,   0.00,  (min)
01/22 13Z,   0.00,   0.83,  99.90,   0.83,   0.00,
01/22 14Z,  -0.10,   2.24,  99.90,   2.14,   0.00,
01/22 15Z,  -0.10,   4.27,  99.90,   4.17,   0.00,
01/22 16Z,  -0.20,   6.43,  99.90,   6.23,   0.00,
01/22 17Z,  -0.40,   8.20,  99.90,   7.80,   0.00,
01/22 18Z,  -0.40,   9.11,  99.90,   8.71,   0.00,  (max)
01/22 19Z,  -0.50,   8.96,  99.90,   8.46,   0.00,
01/22 20Z,  -0.50,   7.79,  99.90,   7.29,   0.00,
01/22 21Z,  -0.50,   5.78,  99.90,   5.28,   0.00,
01/22 22Z,  -0.40,   3.36,  99.90,   2.96,   0.00,
01/22 23Z,  -0.40,   1.22,  99.90,   0.82,   0.00,
01/23 00Z,  -0.40,   0.01,  99.90,  -0.39,   0.00,
01/23 01Z,  -0.50,  -0.05,  99.90,  -0.55,   0.00,  (min)
01/23 02Z,  -0.50,   0.97,  99.90,   0.47,   0.00,
01/23 03Z,  -0.60,   2.80,  99.90,   2.20,   0.00,
01/23 04Z,  -0.70,   4.99,  99.90,   4.29,   0.00,
01/23 05Z,  -0.70,   7.00,  99.90,   6.30,   0.00,
01/23 06Z,  -0.80,   8.35,  99.90,   7.55,   0.00,
01/23 07Z,  -0.80,   8.72,  99.90,   7.92,   0.00,  (max)
01/23 08Z,  -0.90,   8.06,  99.90,   7.16,   0.00,
01/23 09Z,  -0.80,   6.49,  99.90,   5.69,   0.00,
01/23 10Z,  -0.70,   4.33,  99.90,   3.63,   0.00,
01/23 11Z,  -0.60,   2.16,  99.90,   1.56,   0.00,
01/23 12Z,  -0.50,   0.67,  99.90,   0.17,   0.00,
01/23 13Z,  -0.40,   0.27,  99.90,  -0.13,   0.00,  (min)
01/23 14Z,  -0.40,   0.98,  99.90,   0.58,   0.00,
01/23 15Z,  -0.30,   2.57,  99.90,   2.27,   0.00,
01/23 16Z,  -0.40,   4.67,  99.90,   4.27,   0.00,
01/23 17Z,  -0.40,   6.77,  99.90,   6.37,   0.00,
01/23 18Z,  -0.30,   8.34,  99.90,   8.04,   0.00,
01/23 19Z,  -0.30,   9.00,  99.90,   8.70,   0.00,  (max)
01/23 20Z,  -0.30,   8.58,  99.90,   8.28,   0.00,
01/23 21Z,  -0.30,   7.19,  99.90,   6.89,   0.00,
01/23 22Z,  -0.30,   5.07,  99.90,   4.77,   0.00,
01/23 23Z,  -0.40,   2.70,  99.90,   2.30,   0.00,
01/24 00Z,  -0.50,   0.80,  99.90,   0.30,   0.00,
01/24 01Z,  -0.60,  -0.08,  99.90,  -0.68,   0.00,  (min)
01/24 02Z,  -0.50,   0.21,  99.90,  -0.29,   0.00,
01/24 03Z,  -0.60,   1.53,  99.90,   0.93,   0.00,
01/24 04Z,  -0.70,   3.54,  99.90,   2.84,   0.00,
01/24 05Z,  -0.70,   5.76,  99.90,   5.06,   0.00,
01/24 06Z,  -0.80,   7.66,  99.90,   6.86,   0.00,
01/24 07Z,  -0.90,   8.78,  99.90,   7.88,   0.00,  (max)
01/24 08Z,  -1.00,   8.86,  99.90,   7.86,   0.00,
01/24 09Z,  -0.90,   7.91,  99.90,   7.01,   0.00,
01/24 10Z,  -0.90,   6.13,  99.90,   5.23,   0.00,
01/24 11Z,  -0.90,   3.87,  99.90,   2.97,   0.00,
01/24 12Z,  -0.80,   1.75,  99.90,   0.95,   0.00,
01/24 13Z,  -0.70,   0.43,  99.90,  -0.27,   0.00,
01/24 14Z,  -0.60,   0.23,  99.90,  -0.37,   0.00,  (min)
01/24 15Z,  -0.60,   1.10,  99.90,   0.50,   0.00,
01/24 16Z,  -0.40,   2.80,  99.90,   2.40,   0.00,
01/24 17Z,  -0.30,   4.90,  99.90,   4.60,   0.00,
01/24 18Z,  -0.30,   6.90,  99.90,   6.60,   0.00,
01/24 19Z,  -0.20,   8.30,  99.90,   8.10,   0.00,
01/24 20Z,  -0.10,   8.75,  99.90,   8.65,   0.00,  (max)
01/24 21Z,   0.00,   8.16,  99.90,   8.16,   0.00,
01/24 22Z,   0.00,   6.66,  99.90,   6.66,   0.00,
01/24 23Z,   0.00,   4.52,  99.90,   4.52,   0.00,
01/25 00Z,   0.00,   2.27,  99.90,   2.27,   0.00,