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.

	Eastport, ME

	Bar Harbor, ME

	Portland, ME

	Portsmouth, ME

	Boston, MA

	Buzzards Bay MA

	Woods Hole, MA

	Nantucket, MA

	Providence, RI

	Newport, RI

	Block Island, RI

	Montauk Point NY

	New London, CT

	Bridgeport, CT

	Port Jefferson NY

	Kings Pnt, NY

	The Battery, NY

	Bergen Pnt, NY

	Sandy Hook, NJ

	Atlantic City, NJ

	Cape May, NJ

	Philadelphia, PA

	Reedy Pnt, DE

	Lewes, DE
#Boston, MA : 04/20/2026 16:22:48 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/19 00Z,   0.60,  -9.20,  -7.84,  99.90,   0.76,  (min)
04/19 01Z,   0.60,  -6.63,  -5.33,  99.90,   0.70,
04/19 02Z,   0.60,  -3.75,  -2.52,  99.90,   0.63,
04/19 03Z,   0.60,  -1.05,   0.03,  99.90,   0.48,
04/19 04Z,   0.50,   0.88,   1.82,  99.90,   0.44,
04/19 05Z,   0.50,   1.42,   2.20,  99.90,   0.28,  (max)
04/19 06Z,   0.50,   0.40,   1.12,  99.90,   0.22,
04/19 07Z,   0.50,  -1.84,  -1.18,  99.90,   0.16,
04/19 08Z,   0.50,  -4.76,  -4.01,  99.90,   0.25,
04/19 09Z,   0.40,  -7.82,  -7.09,  99.90,   0.33,
04/19 10Z,   0.40, -10.45,  -9.64,  99.90,   0.41,
04/19 11Z,   0.40, -11.84, -11.03,  99.90,   0.41,  (min)
04/19 12Z,   0.60, -11.38, -10.40,  99.90,   0.38,
04/19 13Z,   0.60,  -9.37,  -8.34,  99.90,   0.43,
04/19 14Z,   0.60,  -6.68,  -5.86,  99.90,   0.22,
04/19 15Z,   0.60,  -3.86,  -3.07,  99.90,   0.19,
04/19 16Z,   0.60,  -1.40,  -0.65,  99.90,   0.15,
04/19 17Z,   0.50,   0.01,   0.69,  99.90,   0.18,  (max)
04/19 18Z,   0.70,  -0.04,   0.39,  99.90,  -0.27,
04/19 19Z,   0.60,  -1.43,  -1.10,  99.90,  -0.27,
04/19 20Z,   0.60,  -3.72,  -3.36,  99.90,  -0.24,
04/19 21Z,   0.60,  -6.35,  -6.27,  99.90,  -0.52,
04/19 22Z,   0.60,  -8.82,  -8.65,  99.90,  -0.43,
04/19 23Z,   0.50, -10.42, -10.35,  99.90,  -0.43,  (min)
04/20 00Z,   0.30, -10.38, -10.17,  99.90,  -0.09,
04/20 01Z,   0.30,  -8.62,  -8.24,  99.90,   0.08,
04/20 02Z,   0.20,  -5.94,  -5.60,  99.90,   0.14,
04/20 03Z,   0.10,  -3.10,  -2.84,  99.90,   0.16,
04/20 04Z,   0.10,  -0.53,  -0.26,  99.90,   0.17,
04/20 05Z,   0.00,   1.14,   1.40,  99.90,   0.26,  (max)
04/20 06Z,   0.00,   1.36,   1.31,  99.90,  -0.05,
04/20 07Z,   0.00,   0.08,   0.04,  99.90,  -0.04,
04/20 08Z,   0.10,  -2.30,  -2.15,  99.90,   0.05,
04/20 09Z,   0.10,  -5.25,  -5.09,  99.90,   0.06,
04/20 10Z,   0.10,  -8.24,  -8.22,  99.90,  -0.08,
04/20 11Z,   0.10, -10.69, -10.47,  99.90,   0.12,
04/20 12Z,   0.10, -11.79, -11.72,  99.90,  -0.03,  (min)
04/20 13Z,   0.10, -11.06, -10.56,  99.90,   0.40,
04/20 14Z,   0.10,  -8.97,  -8.61,  99.90,   0.26,
04/20 15Z,   0.10,  -6.33,  -6.04,  99.90,   0.19,
04/20 16Z,   0.20,  -3.64,  -3.25,  99.90,   0.19,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/20 17Z,   0.10,  -1.37,  99.90,  -1.09,   0.17,
04/20 18Z,   0.10,  -0.19,  99.90,   0.07,   0.16,  (max)
04/20 19Z,   0.10,  -0.43,  99.90,  -0.19,   0.14,
04/20 20Z,   0.20,  -1.91,  99.90,  -1.58,   0.12,
04/20 21Z,   0.20,  -4.16,  99.90,  -3.85,   0.11,
04/20 22Z,   0.30,  -6.68,  99.90,  -6.28,   0.09,
04/20 23Z,   0.40,  -8.95,  99.90,  -8.47,   0.08,
04/21 00Z,   0.40, -10.27,  99.90,  -9.81,   0.06,  (min)
04/21 01Z,   0.40,  -9.94,  99.90,  -9.49,   0.05,
04/21 02Z,   0.40,  -8.05,  99.90,  -7.61,   0.03,
04/21 03Z,   0.50,  -5.43,  99.90,  -4.91,   0.02,
04/21 04Z,   0.50,  -2.73,  99.90,  -2.23,   0.00,
04/21 05Z,   0.40,  -0.37,  99.90,   0.04,   0.00,
04/21 06Z,   0.40,   1.06,  99.90,   1.46,   0.00,
04/21 07Z,   0.40,   1.06,  99.90,   1.46,   0.00,  (max)
04/21 08Z,   0.40,  -0.33,  99.90,   0.07,   0.00,
04/21 09Z,   0.40,  -2.70,  99.90,  -2.30,   0.00,
04/21 10Z,   0.50,  -5.54,  99.90,  -5.04,   0.00,
04/21 11Z,   0.50,  -8.37,  99.90,  -7.87,   0.00,
04/21 12Z,   0.50, -10.60,  99.90, -10.10,   0.00,
04/21 13Z,   0.50, -11.47,  99.90, -10.96,   0.00,  (min)
04/21 14Z,   0.50, -10.60,  99.90, -10.10,   0.00,
04/21 15Z,   0.50,  -8.57,  99.90,  -8.07,   0.00,
04/21 16Z,   0.50,  -6.11,  99.90,  -5.61,   0.00,
04/21 17Z,   0.50,  -3.60,  99.90,  -3.10,   0.00,
04/21 18Z,   0.50,  -1.52,  99.90,  -1.02,   0.00,
04/21 19Z,   0.50,  -0.53,  99.90,  -0.03,   0.00,  (max)
04/21 20Z,   0.50,  -0.87,  99.90,  -0.36,   0.00,
04/21 21Z,   0.50,  -2.31,  99.90,  -1.81,   0.00,
04/21 22Z,   0.50,  -4.43,  99.90,  -3.93,   0.00,
04/21 23Z,   0.50,  -6.76,  99.90,  -6.26,   0.00,
04/22 00Z,   0.50,  -8.84,  99.90,  -8.33,   0.00,
04/22 01Z,   0.50,  -9.94,  99.90,  -9.44,   0.00,  (min)
04/22 02Z,   0.40,  -9.46,  99.90,  -9.06,   0.00,
04/22 03Z,   0.30,  -7.60,  99.90,  -7.30,   0.00,
04/22 04Z,   0.30,  -5.18,  99.90,  -4.88,   0.00,
04/22 05Z,   0.30,  -2.70,  99.90,  -2.39,   0.00,
04/22 06Z,   0.30,  -0.52,  99.90,  -0.22,   0.00,
04/22 07Z,   0.30,   0.72,  99.90,   1.03,   0.00,  (max)
04/22 08Z,   0.30,   0.63,  99.90,   0.93,   0.00,
04/22 09Z,   0.30,  -0.73,  99.90,  -0.43,   0.00,
04/22 10Z,   0.30,  -2.96,  99.90,  -2.66,   0.00,
04/22 11Z,   0.40,  -5.60,  99.90,  -5.19,   0.00,
04/22 12Z,   0.40,  -8.22,  99.90,  -7.82,   0.00,
04/22 13Z,   0.40, -10.27,  99.90,  -9.87,   0.00,
04/22 14Z,   0.40, -10.98,  99.90, -10.58,   0.00,  (min)
04/22 15Z,   0.40, -10.12,  99.90,  -9.72,   0.00,
04/22 16Z,   0.40,  -8.28,  99.90,  -7.88,   0.00,
04/22 17Z,   0.40,  -6.05,  99.90,  -5.65,   0.00,
04/22 18Z,   0.40,  -3.72,  99.90,  -3.32,   0.00,
04/22 19Z,   0.40,  -1.80,  99.90,  -1.40,   0.00,
04/22 20Z,   0.50,  -0.91,  99.90,  -0.41,   0.00,  (max)
04/22 21Z,   0.50,  -1.23,  99.90,  -0.73,   0.00,
04/22 22Z,   0.50,  -2.55,  99.90,  -2.05,   0.00,
04/22 23Z,   0.60,  -4.48,  99.90,  -3.88,   0.00,
04/23 00Z,   0.60,  -6.63,  99.90,  -6.02,   0.00,
04/23 01Z,   0.60,  -8.55,  99.90,  -7.95,   0.00,
04/23 02Z,   0.60,  -9.54,  99.90,  -8.94,   0.00,  (min)
04/23 03Z,   0.60,  -9.05,  99.90,  -8.45,   0.00,
04/23 04Z,   0.50,  -7.38,  99.90,  -6.88,   0.00,
04/23 05Z,   0.50,  -5.22,  99.90,  -4.72,   0.00,
04/23 06Z,   0.50,  -2.95,  99.90,  -2.45,   0.00,
04/23 07Z,   0.50,  -0.92,  99.90,  -0.42,   0.00,
04/23 08Z,   0.50,   0.24,  99.90,   0.75,   0.00,
04/23 09Z,   0.60,   0.17,  99.90,   0.77,   0.00,  (max)
04/23 10Z,   0.60,  -1.04,  99.90,  -0.44,   0.00,
04/23 11Z,   0.60,  -3.04,  99.90,  -2.44,   0.00,
04/23 12Z,   0.60,  -5.44,  99.90,  -4.84,   0.00,
04/23 13Z,   0.60,  -7.88,  99.90,  -7.28,   0.00,
04/23 14Z,   0.60,  -9.81,  99.90,  -9.21,   0.00,
04/23 15Z,   0.60, -10.48,  99.90,  -9.87,   0.00,  (min)
04/23 16Z,   0.60,  -9.73,  99.90,  -9.13,   0.00,
04/23 17Z,   0.60,  -8.14,  99.90,  -7.53,   0.00,
04/23 18Z,   0.60,  -6.13,  99.90,  -5.52,   0.00,
04/23 19Z,   0.70,  -3.93,  99.90,  -3.23,   0.00,
04/23 20Z,   0.70,  -2.09,  99.90,  -1.39,   0.00,
04/23 21Z,   0.70,  -1.21,  99.90,  -0.50,   0.00,  (max)
04/23 22Z,   0.80,  -1.44,  99.90,  -0.64,   0.00,
04/23 23Z,   0.80,  -2.59,  99.90,  -1.79,   0.00,
04/24 00Z,   0.80,  -4.33,  99.90,  -3.52,   0.00,
04/24 01Z,   0.80,  -6.33,  99.90,  -5.53,   0.00,
04/24 02Z,   0.70,  -8.20,  99.90,  -7.50,   0.00,
04/24 03Z,   0.70,  -9.19,  99.90,  -8.49,   0.00,  (min)
04/24 04Z,   0.70,  -8.82,  99.90,  -8.12,   0.00,
04/24 05Z,   0.70,  -7.40,  99.90,  -6.70,   0.00,
04/24 06Z,   0.80,  -5.51,  99.90,  -4.71,   0.00,
04/24 07Z,  99.90,  -3.40,  99.90,  99.90,   0.00,
04/24 08Z,  99.90,  -1.43,  99.90,  99.90,   0.00,
04/24 09Z,  99.90,  -0.26,  99.90,  99.90,   0.00,
04/24 10Z,  99.90,  -0.22,  99.90,  99.90,   0.00,
04/24 11Z,  99.90,  -1.23,  99.90,  99.90,   0.00,
04/24 12Z,  99.90,  -2.97,  99.90,  99.90,   0.00,