EXTRA-TROPICAL  STORM  SURGE
N A T I O N A L    O C E A N I C    A N D    A T M O S P H E R I C    A D M I N I S T R A T I O N

  • 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.
About
Manual
Disclaimer
Manual
Datum
hat-on
mhhw-on
msl-on
mllw-on
Regions
Northeast
Mid-Atlantic
Southeast
Gulf
Northwest
Alaska
Gulf of Alaska
Status
Stations
Naples, FL
St Petersburg, FL
Clearwater, FL
Cedar Key, FL
Apalachicola, FL
Panama City, FL
Pensacola, FL
Waveland, MS
Grand Isle, LA
Sabine Pass, TX
Galveston, TX
Freeport, TX
Port Aransas, TX
Padre Island, TX
Surge List
Gulf Coast
#Boston, MA : 04/25/2025 19:22:53 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/24 00Z,   0.20,  -0.96,  -0.93,  99.90,  -0.17,
04/24 01Z,   0.20,  -1.08,  -1.08,  99.90,  -0.20,  (max)
04/24 02Z,   0.20,  -2.21,  -2.11,  99.90,  -0.10,
04/24 03Z,   0.20,  -3.99,  -3.71,  99.90,   0.08,
04/24 04Z,   0.20,  -6.04,  -5.76,  99.90,   0.08,
04/24 05Z,   0.20,  -8.03,  -7.72,  99.90,   0.11,
04/24 06Z,   0.10,  -9.39,  -9.13,  99.90,   0.16,  (min)
04/24 07Z,   0.10,  -9.46,  -9.06,  99.90,   0.30,
04/24 08Z,   0.20,  -8.22,  -7.83,  99.90,   0.19,
04/24 09Z,   0.20,  -6.30,  -6.27,  99.90,  -0.17,
04/24 10Z,   0.10,  -4.14,  -4.20,  99.90,  -0.16,
04/24 11Z,   0.10,  -2.05,  -2.16,  99.90,  -0.21,
04/24 12Z,   0.20,  -0.59,  -0.71,  99.90,  -0.32,
04/24 13Z,   0.20,  -0.28,  -0.49,  99.90,  -0.41,  (max)
04/24 14Z,   0.20,  -1.18,  -1.36,  99.90,  -0.38,
04/24 15Z,   0.10,  -2.94,  -3.00,  99.90,  -0.16,
04/24 16Z,   0.10,  -5.16,  -5.09,  99.90,  -0.03,
04/24 17Z,   0.10,  -7.47,  -7.36,  99.90,   0.01,
04/24 18Z,   0.10,  -9.41,  -9.35,  99.90,  -0.04,
04/24 19Z,   0.20, -10.24, -10.01,  99.90,   0.03,  (min)
04/24 20Z,   0.20,  -9.55,  -9.25,  99.90,   0.10,
04/24 21Z,   0.20,  -7.78,  -7.70,  99.90,  -0.12,
04/24 22Z,   0.20,  -5.54,  -5.55,  99.90,  -0.21,
04/24 23Z,   0.20,  -3.18,  -3.35,  99.90,  -0.37,
04/25 00Z,   0.10,  -1.16,  -1.34,  99.90,  -0.28,
04/25 01Z,   0.10,  -0.16,  -0.30,  99.90,  -0.24,  (max)
04/25 02Z,   0.00,  -0.46,  -0.62,  99.90,  -0.16,
04/25 03Z,   0.00,  -1.88,  -1.94,  99.90,  -0.06,
04/25 04Z,   0.00,  -4.00,  -3.86,  99.90,   0.14,
04/25 05Z,   0.00,  -6.42,  -6.26,  99.90,   0.16,
04/25 06Z,   0.00,  -8.72,  -8.43,  99.90,   0.29,
04/25 07Z,   0.00, -10.21, -10.00,  99.90,   0.21,  (min)
04/25 08Z,   0.00, -10.19,  -9.79,  99.90,   0.40,
04/25 09Z,   0.00,  -8.75,  -8.36,  99.90,   0.39,
04/25 10Z,   0.10,  -6.56,  -6.39,  99.90,   0.07,
04/25 11Z,   0.10,  -4.08,  -4.13,  99.90,  -0.15,
04/25 12Z,   0.10,  -1.73,  -1.79,  99.90,  -0.16,
04/25 13Z,   0.10,  -0.17,  -0.31,  99.90,  -0.24,
04/25 14Z,   0.10,   0.07,  -0.15,  99.90,  -0.32,  (max)
04/25 15Z,   0.10,  -0.97,  -1.14,  99.90,  -0.27,
04/25 16Z,   0.10,  -2.95,  -3.05,  99.90,  -0.20,
04/25 17Z,   0.10,  -5.41,  -5.32,  99.90,  -0.01,
04/25 18Z,   0.10,  -7.94,  -7.81,  99.90,   0.03,
04/25 19Z,   0.10,  -9.96,  -9.83,  99.90,   0.03,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/25 20Z,   0.10, -10.63,  99.90, -10.51,   0.02,  (min)
04/25 21Z,   0.10,  -9.65,  99.90,  -9.53,   0.02,
04/25 22Z,   0.20,  -7.55,  99.90,  -7.34,   0.01,
04/25 23Z,   0.20,  -4.98,  99.90,  -4.77,   0.01,
04/26 00Z,   0.20,  -2.34,  99.90,  -2.14,   0.00,
04/26 01Z,   0.20,  -0.24,  99.90,  -0.04,  -0.00,
04/26 02Z,   0.20,   0.64,  99.90,   0.82,  -0.01,  (max)
04/26 03Z,   0.20,   0.07,  99.90,   0.25,  -0.02,
04/26 04Z,   0.20,  -1.69,  99.90,  -1.51,  -0.02,
04/26 05Z,   0.10,  -4.18,  99.90,  -4.11,  -0.03,
04/26 06Z,   0.10,  -6.97,  99.90,  -6.90,  -0.03,
04/26 07Z,   0.20,  -9.52,  99.90,  -9.36,  -0.04,
04/26 08Z,   0.20, -11.04,  99.90, -10.88,  -0.04,  (min)
04/26 09Z,   0.20, -10.85,  99.90, -10.68,  -0.04,
04/26 10Z,   0.20,  -9.15,  99.90,  -8.98,  -0.04,
04/26 11Z,   0.30,  -6.67,  99.90,  -6.40,  -0.04,
04/26 12Z,   0.20,  -3.90,  99.90,  -3.74,  -0.04,
04/26 13Z,   0.30,  -1.36,  99.90,  -1.10,  -0.04,
04/26 14Z,   0.30,   0.21,  99.90,   0.47,  -0.04,
04/26 15Z,   0.30,   0.33,  99.90,   0.59,  -0.04,  (max)
04/26 16Z,   0.20,  -0.90,  99.90,  -0.74,  -0.04,
04/26 17Z,   0.20,  -3.10,  99.90,  -2.94,  -0.04,
04/26 18Z,   0.20,  -5.78,  99.90,  -5.62,  -0.04,
04/26 19Z,   0.20,  -8.47,  99.90,  -8.31,  -0.04,
04/26 20Z,   0.20, -10.45,  99.90, -10.29,  -0.04,
04/26 21Z,   0.10, -10.87,  99.90, -10.81,  -0.04,  (min)
04/26 22Z,   0.10,  -9.54,  99.90,  -9.48,  -0.04,
04/26 23Z,   0.20,  -7.11,  99.90,  -6.95,  -0.04,
04/27 00Z,   0.20,  -4.26,  99.90,  -4.09,  -0.04,
04/27 01Z,   0.10,  -1.44,  99.90,  -1.38,  -0.04,
04/27 02Z,   0.20,   0.63,  99.90,   0.79,  -0.04,
04/27 03Z,   0.10,   1.28,  99.90,   1.34,  -0.04,  (max)
04/27 04Z,   0.00,   0.40,  99.90,   0.36,  -0.04,
04/27 05Z,   0.00,  -1.70,  99.90,  -1.74,  -0.04,
04/27 06Z,   0.00,  -4.54,  99.90,  -4.58,  -0.04,
04/27 07Z,  -0.10,  -7.62,  99.90,  -7.75,  -0.04,
04/27 08Z,  -0.20, -10.32,  99.90, -10.55,  -0.04,
04/27 09Z,  -0.30, -11.74,  99.90, -12.08,  -0.04,  (min)
04/27 10Z,  -0.40, -11.29,  99.90, -11.73,  -0.04,
04/27 11Z,  -0.40,  -9.33,  99.90,  -9.77,  -0.04,
04/27 12Z,  -0.30,  -6.61,  99.90,  -6.94,  -0.04,
04/27 13Z,  -0.30,  -3.63,  99.90,  -3.97,  -0.04,
04/27 14Z,  -0.30,  -1.02,  99.90,  -1.35,  -0.04,
04/27 15Z,  -0.30,   0.46,  99.90,   0.13,  -0.04,  (max)
04/27 16Z,  -0.30,   0.41,  99.90,   0.08,  -0.04,
04/27 17Z,  -0.30,  -1.02,  99.90,  -1.36,  -0.04,
04/27 18Z,  -0.20,  -3.40,  99.90,  -3.64,  -0.04,
04/27 19Z,  -0.20,  -6.23,  99.90,  -6.47,  -0.04,
04/27 20Z,  -0.10,  -8.97,  99.90,  -9.10,  -0.04,
04/27 21Z,  -0.10, -10.80,  99.90, -10.94,  -0.04,
04/27 22Z,  -0.20, -10.89,  99.90, -11.13,  -0.04,  (min)
04/27 23Z,  -0.10,  -9.22,  99.90,  -9.35,  -0.04,
04/28 00Z,  -0.10,  -6.53,  99.90,  -6.66,  -0.04,
04/28 01Z,  -0.10,  -3.49,  99.90,  -3.63,  -0.04,
04/28 02Z,   0.00,  -0.63,  99.90,  -0.67,  -0.04,
04/28 03Z,   0.00,   1.29,  99.90,   1.25,  -0.04,
04/28 04Z,   0.00,   1.66,  99.90,   1.62,  -0.04,  (max)
04/28 05Z,   0.00,   0.47,  99.90,   0.43,  -0.04,
04/28 06Z,   0.00,  -1.93,  99.90,  -1.97,  -0.04,
04/28 07Z,   0.00,  -5.01,  99.90,  -5.05,  -0.04,
04/28 08Z,   0.00,  -8.25,  99.90,  -8.28,  -0.04,
04/28 09Z,   0.10, -10.95,  99.90, -10.89,  -0.04,
04/28 10Z,   0.10, -12.17,  99.90, -12.11,  -0.04,  (min)
04/28 11Z,   0.10, -11.45,  99.90, -11.39,  -0.04,
04/28 12Z,   0.10,  -9.27,  99.90,  -9.21,  -0.04,
04/28 13Z,   0.10,  -6.40,  99.90,  -6.34,  -0.04,
04/28 14Z,   0.20,  -3.35,  99.90,  -3.18,  -0.04,
04/28 15Z,   0.20,  -0.78,  99.90,  -0.61,  -0.04,
04/28 16Z,   0.20,   0.53,  99.90,   0.70,  -0.04,  (max)
04/28 17Z,   0.30,   0.29,  99.90,   0.55,  -0.04,
04/28 18Z,   0.30,  -1.31,  99.90,  -1.05,  -0.04,
04/28 19Z,   0.30,  -3.80,  99.90,  -3.54,  -0.04,
04/28 20Z,   0.30,  -6.67,  99.90,  -6.41,  -0.04,
04/28 21Z,   0.30,  -9.34,  99.90,  -9.07,  -0.04,
04/28 22Z,   0.30, -10.92,  99.90, -10.66,  -0.04,  (min)
04/28 23Z,   0.30, -10.67,  99.90, -10.40,  -0.04,
04/29 00Z,   0.40,  -8.72,  99.90,  -8.35,  -0.04,
04/29 01Z,   0.40,  -5.89,  99.90,  -5.52,  -0.04,
04/29 02Z,   0.40,  -2.81,  99.90,  -2.44,  -0.04,
04/29 03Z,   0.40,  -0.04,  99.90,   0.32,  -0.04,
04/29 04Z,   0.30,   1.64,  99.90,   1.91,  -0.04,  (max)
04/29 05Z,   0.20,   1.73,  99.90,   1.89,  -0.04,
04/29 06Z,   0.20,   0.27,  99.90,   0.44,  -0.04,
04/29 07Z,   0.10,  -2.31,  99.90,  -2.25,  -0.04,
04/29 08Z,   0.10,  -5.50,  99.90,  -5.43,  -0.04,
04/29 09Z,   0.20,  -8.74,  99.90,  -8.58,  -0.04,
04/29 10Z,   0.20, -11.31,  99.90, -11.15,  -0.04,
04/29 11Z,   0.30, -12.27,  99.90, -12.00,  -0.04,  (min)
04/29 12Z,   0.30, -11.29,  99.90, -11.03,  -0.04,