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
#Atka, AK : 04/28/2025 22:20:55 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/27 06Z,  -0.20,   2.50,   2.06,  99.90,  -0.24,
04/27 07Z,  -0.20,   2.62,   2.14,  99.90,  -0.28,
04/27 08Z,  -0.20,   2.85,   2.31,  99.90,  -0.34,
04/27 09Z,  -0.20,   3.12,   2.59,  99.90,  -0.33,
04/27 10Z,  -0.20,   3.35,   2.87,  99.90,  -0.28,
04/27 11Z,  -0.30,   3.47,   3.04,  99.90,  -0.13,
04/27 12Z,  -0.30,   3.44,   3.19,  99.90,   0.05,  (max)
04/27 13Z,  -0.30,   3.22,   3.14,  99.90,   0.22,
04/27 14Z,  -0.30,   2.81,   2.86,  99.90,   0.35,
04/27 15Z,  -0.30,   2.23,   2.50,  99.90,   0.57,
04/27 16Z,  -0.30,   1.51,   1.84,  99.90,   0.63,
04/27 17Z,  -0.30,   0.78,   1.18,  99.90,   0.70,
04/27 18Z,  -0.40,   0.16,   0.49,  99.90,   0.73,
04/27 19Z,  -0.40,  -0.27,  -0.06,  99.90,   0.61,
04/27 20Z,  -0.40,  -0.42,  -0.47,  99.90,   0.35,
04/27 21Z,  -0.40,  -0.28,  -0.55,  99.90,   0.13,  (min)
04/27 22Z,  -0.50,   0.06,  -0.34,  99.90,   0.10,
04/27 23Z,  -0.50,   0.54,   0.06,  99.90,   0.02,
04/28 00Z,  -0.50,   1.11,   0.43,  99.90,  -0.18,
04/28 01Z,  -0.50,   1.68,   0.94,  99.90,  -0.24,
04/28 02Z,  -0.50,   2.18,   1.48,  99.90,  -0.20,
04/28 03Z,  -0.50,   2.57,   1.96,  99.90,  -0.11,
04/28 04Z,  -0.50,   2.81,   2.35,  99.90,   0.04,
04/28 05Z,  -0.50,   2.94,   2.63,  99.90,   0.19,
04/28 06Z,  -0.40,   3.02,   2.91,  99.90,   0.29,
04/28 07Z,  -0.40,   3.09,   3.03,  99.90,   0.34,
04/28 08Z,  -0.30,   3.21,   3.32,  99.90,   0.41,
04/28 09Z,  -0.20,   3.41,   3.56,  99.90,   0.35,
04/28 10Z,  -0.10,   3.60,   3.82,  99.90,   0.32,
04/28 11Z,   0.00,   3.73,   4.14,  99.90,   0.41,
04/28 12Z,   0.00,   3.76,   4.34,  99.90,   0.58,
04/28 13Z,   0.00,   3.64,   4.39,  99.90,   0.75,  (max)
04/28 14Z,   0.20,   3.30,   4.26,  99.90,   0.76,
04/28 15Z,   0.10,   2.77,   3.90,  99.90,   1.03,
04/28 16Z,   0.10,   2.06,   3.33,  99.90,   1.17,
04/28 17Z,   0.10,   1.21,   2.58,  99.90,   1.27,
04/28 18Z,   0.10,   0.38,   1.77,  99.90,   1.29,
04/28 19Z,   0.10,  -0.33,   0.88,  99.90,   1.11,
04/28 20Z,   0.00,  -0.81,   0.14,  99.90,   0.95,
04/28 21Z,   0.00,  -0.98,  -0.30,  99.90,   0.68,
04/28 22Z,   0.00,  -0.84,  -0.40,  99.90,   0.44,  (min)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/28 23Z,   0.00,  -0.44,  99.90,  -0.04,   0.40,
04/29 00Z,   0.00,   0.17,  99.90,   0.54,   0.37,
04/29 01Z,   0.00,   0.90,  99.90,   1.23,   0.33,
04/29 02Z,   0.00,   1.62,  99.90,   1.92,   0.30,
04/29 03Z,   0.00,   2.28,  99.90,   2.54,   0.27,
04/29 04Z,   0.00,   2.80,  99.90,   3.03,   0.23,
04/29 05Z,   0.00,   3.14,  99.90,   3.34,   0.20,
04/29 06Z,  -0.10,   3.34,  99.90,   3.40,   0.16,
04/29 07Z,  -0.10,   3.45,  99.90,   3.48,   0.13,
04/29 08Z,  -0.10,   3.53,  99.90,   3.52,   0.09,  (max)
04/29 09Z,  -0.20,   3.62,  99.90,   3.48,   0.06,  (min)
04/29 10Z,  -0.20,   3.75,  99.90,   3.57,   0.02,
04/29 11Z,  -0.20,   3.87,  99.90,   3.69,   0.02,  (max)
04/29 12Z,  -0.30,   3.94,  99.90,   3.67,   0.02,
04/29 13Z,  -0.30,   3.93,  99.90,   3.66,   0.02,
04/29 14Z,  -0.30,   3.74,  99.90,   3.46,   0.02,
04/29 15Z,  -0.30,   3.33,  99.90,   3.06,   0.02,
04/29 16Z,  -0.30,   2.73,  99.90,   2.46,   0.02,
04/29 17Z,  -0.30,   1.93,  99.90,   1.66,   0.02,
04/29 18Z,  -0.30,   1.01,  99.90,   0.73,   0.02,
04/29 19Z,  -0.30,   0.10,  99.90,  -0.17,   0.02,
04/29 20Z,  -0.40,  -0.66,  99.90,  -1.04,   0.02,
04/29 21Z,  -0.40,  -1.18,  99.90,  -1.56,   0.02,
04/29 22Z,  -0.40,  -1.37,  99.90,  -1.75,   0.02,  (min)
04/29 23Z,  -0.40,  -1.21,  99.90,  -1.59,   0.02,
04/30 00Z,  -0.40,  -0.74,  99.90,  -1.12,   0.02,
04/30 01Z,  -0.40,  -0.02,  99.90,  -0.40,   0.02,
04/30 02Z,  -0.40,   0.81,  99.90,   0.44,   0.02,
04/30 03Z,  -0.40,   1.65,  99.90,   1.27,   0.02,
04/30 04Z,  -0.40,   2.41,  99.90,   2.03,   0.02,
04/30 05Z,  -0.50,   3.01,  99.90,   2.53,   0.02,
04/30 06Z,  -0.50,   3.40,  99.90,   2.92,   0.02,
04/30 07Z,  -0.50,   3.61,  99.90,   3.14,   0.02,
04/30 08Z,  -0.50,   3.72,  99.90,   3.24,   0.02,
04/30 09Z,  -0.50,   3.76,  99.90,   3.28,   0.02,
04/30 10Z,  -0.50,   3.79,  99.90,   3.32,   0.02,
04/30 11Z,  -0.50,   3.86,  99.90,   3.39,   0.02,
04/30 12Z,  -0.50,   3.95,  99.90,   3.47,   0.02,  (max)
04/30 13Z,  -0.60,   4.01,  99.90,   3.43,   0.02,
04/30 14Z,  -0.60,   3.97,  99.90,   3.39,   0.02,
04/30 15Z,  -0.60,   3.74,  99.90,   3.17,   0.02,
04/30 16Z,  -0.60,   3.32,  99.90,   2.75,   0.02,
04/30 17Z,  -0.60,   2.70,  99.90,   2.12,   0.02,
04/30 18Z,  -0.60,   1.86,  99.90,   1.29,   0.02,
04/30 19Z,  -0.70,   0.91,  99.90,   0.23,   0.02,
04/30 20Z,  -0.70,  -0.03,  99.90,  -0.70,   0.02,
04/30 21Z,  -0.70,  -0.82,  99.90,  -1.50,   0.02,
04/30 22Z,  -0.70,  -1.37,  99.90,  -2.05,   0.02,
04/30 23Z,  -0.70,  -1.56,  99.90,  -2.23,   0.02,  (min)
05/01 00Z,  -0.70,  -1.36,  99.90,  -2.04,   0.02,
05/01 01Z,  -0.70,  -0.83,  99.90,  -1.50,   0.02,
05/01 02Z,  -0.70,  -0.04,  99.90,  -0.72,   0.02,
05/01 03Z,  -0.70,   0.85,  99.90,   0.18,   0.02,
05/01 04Z,  -0.80,   1.75,  99.90,   0.97,   0.02,
05/01 05Z,  -0.80,   2.56,  99.90,   1.78,   0.02,
05/01 06Z,  -0.80,   3.18,  99.90,   2.40,   0.02,
05/01 07Z,  -0.80,   3.56,  99.90,   2.78,   0.02,
05/01 08Z,  -0.80,   3.75,  99.90,   2.97,   0.02,
05/01 09Z,  -0.80,   3.81,  99.90,   3.03,   0.02,  (max)
05/01 10Z,  -0.90,   3.78,  99.90,   2.90,   0.02,
05/01 11Z,  -0.90,   3.75,  99.90,   2.88,   0.02,  (min)
05/01 12Z,  -0.90,   3.80,  99.90,   2.92,   0.02,
05/01 13Z,  -0.90,   3.87,  99.90,   2.99,   0.02,
05/01 14Z,  -0.90,   3.92,  99.90,   3.05,   0.02,  (max)
05/01 15Z,  -0.90,   3.88,  99.90,   3.00,   0.02,
05/01 16Z,  -0.90,   3.67,  99.90,   2.79,   0.02,
05/01 17Z,  -0.90,   3.27,  99.90,   2.39,   0.02,
05/01 18Z,  -0.90,   2.66,  99.90,   1.79,   0.02,
05/01 19Z,  -0.90,   1.84,  99.90,   0.96,   0.02,
05/01 20Z,  -0.90,   0.89,  99.90,   0.02,   0.02,
05/01 21Z,  -0.90,  -0.03,  99.90,  -0.91,   0.02,
05/01 22Z,  -0.90,  -0.84,  99.90,  -1.72,   0.02,
05/01 23Z,  -0.90,  -1.38,  99.90,  -2.26,   0.02,
05/02 00Z,  -0.90,  -1.53,  99.90,  -2.41,   0.02,  (min)
05/02 01Z,  -0.90,  -1.29,  99.90,  -2.16,   0.02,
05/02 02Z,  -0.90,  -0.72,  99.90,  -1.59,   0.02,
05/02 03Z,  -0.90,   0.09,  99.90,  -0.79,   0.02,
05/02 04Z,  -0.80,   1.00,  99.90,   0.23,   0.02,
05/02 05Z,  -0.80,   1.91,  99.90,   1.13,   0.02,
05/02 06Z,  -0.80,   2.71,  99.90,   1.93,   0.02,
05/02 07Z,  -0.80,   3.29,  99.90,   2.52,   0.02,
05/02 08Z,  -0.70,   3.62,  99.90,   2.95,   0.02,
05/02 09Z,  -0.70,   3.75,  99.90,   3.07,   0.02,  (max)
05/02 10Z,  -0.70,   3.72,  99.90,   3.04,   0.02,
05/02 11Z,  -0.70,   3.62,  99.90,   2.94,   0.02,
05/02 12Z,  -0.70,   3.56,  99.90,   2.89,   0.02,
05/02 13Z,  99.90,   3.59,  99.90,  99.90,   0.02,
05/02 14Z,  99.90,   3.66,  99.90,  99.90,   0.02,
05/02 15Z,  99.90,   3.71,  99.90,  99.90,   0.02,
05/02 16Z,  99.90,   3.69,  99.90,  99.90,   0.02,
05/02 17Z,  99.90,   3.52,  99.90,  99.90,   0.02,
05/02 18Z,  99.90,   3.17,  99.90,  99.90,   0.02,