EXTRA-TROPICAL  STORM  SURGE  2.3
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
Main Site
Mirror Site
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 
#Grand Isle East PT, LA : 10/01/2023 07:20:29 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/29 12Z,   0.70,   0.78,   1.52,  99.90,   0.04,
09/29 13Z,   0.70,   0.83,   1.56,  99.90,   0.03,
09/29 14Z,   0.70,   0.89,   1.63,  99.90,   0.04,
09/29 15Z,   0.70,   0.96,   1.70,  99.90,   0.04,
09/29 16Z,   0.70,   1.03,   1.78,  99.90,   0.05,
09/29 17Z,   0.70,   1.08,   1.84,  99.90,   0.06,  (max)
09/29 18Z,   0.80,   1.11,   1.82,  99.90,  -0.09,  (min)
09/29 19Z,   0.80,   1.12,   1.85,  99.90,  -0.07,  (max)
09/29 20Z,   0.80,   1.11,   1.81,  99.90,  -0.10,
09/29 21Z,   0.80,   1.08,   1.79,  99.90,  -0.09,
09/29 22Z,   0.90,   1.06,   1.69,  99.90,  -0.27,
09/29 23Z,   0.90,   1.04,   1.65,  99.90,  -0.29,  (min)
09/30 00Z,   0.90,   1.04,   1.66,  99.90,  -0.28,  (max)
09/30 01Z,   0.90,   1.04,   1.64,  99.90,  -0.30,  (min)
09/30 02Z,   0.90,   1.05,   1.65,  99.90,  -0.30,  (max)
09/30 03Z,   0.80,   1.07,   1.63,  99.90,  -0.24,
09/30 04Z,   0.80,   1.07,   1.63,  99.90,  -0.24,
09/30 05Z,   0.80,   1.05,   1.59,  99.90,  -0.26,
09/30 06Z,   0.90,   1.00,   1.57,  99.90,  -0.33,
09/30 07Z,   0.90,   0.94,   1.52,  99.90,  -0.32,
09/30 08Z,   0.80,   0.85,   1.40,  99.90,  -0.25,
09/30 09Z,   0.80,   0.76,   1.29,  99.90,  -0.27,
09/30 10Z,   0.90,   0.68,   1.14,  99.90,  -0.44,
09/30 11Z,   0.90,   0.61,   1.10,  99.90,  -0.41,
09/30 12Z,   0.80,   0.58,   1.08,  99.90,  -0.30,  (min)
09/30 13Z,   0.80,   0.57,   1.09,  99.90,  -0.28,  (max)
09/30 14Z,   0.80,   0.60,   1.07,  99.90,  -0.33,  (min)
09/30 15Z,   0.80,   0.66,   1.15,  99.90,  -0.31,
09/30 16Z,   0.70,   0.73,   1.23,  99.90,  -0.20,
09/30 17Z,   0.70,   0.82,   1.36,  99.90,  -0.16,
09/30 18Z,   0.70,   0.89,   1.44,  99.90,  -0.15,
09/30 19Z,   0.80,   0.96,   1.56,  99.90,  -0.20,
09/30 20Z,   0.70,   1.02,   1.57,  99.90,  -0.15,
09/30 21Z,   0.80,   1.07,   1.62,  99.90,  -0.25,  (max)
09/30 22Z,   0.80,   1.12,   1.61,  99.90,  -0.31,  (min)
09/30 23Z,   0.80,   1.16,   1.64,  99.90,  -0.32,
10/01 00Z,   0.80,   1.20,   1.70,  99.90,  -0.30,
10/01 01Z,   0.80,   1.24,   1.75,  99.90,  -0.29,
10/01 02Z,   0.80,   1.28,   1.80,  99.90,  -0.28,
10/01 03Z,   0.80,   1.30,   1.86,  99.90,  -0.24,
10/01 04Z,   0.80,   1.31,   1.87,  99.90,  -0.24,
10/01 05Z,   0.80,   1.28,   1.90,  99.90,  -0.18,  (max)
10/01 06Z,   0.80,   1.22,   1.85,  99.90,  -0.17,
10/01 07Z,   0.80,   1.13,   1.79,  99.90,  -0.14,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/01 08Z,   0.80,   1.01,  99.90,   1.66,  -0.15,
10/01 09Z,   0.80,   0.87,  99.90,   1.52,  -0.15,
10/01 10Z,   0.80,   0.73,  99.90,   1.37,  -0.16,
10/01 11Z,   0.80,   0.60,  99.90,   1.24,  -0.16,
10/01 12Z,   0.80,   0.50,  99.90,   1.13,  -0.17,
10/01 13Z,   0.80,   0.43,  99.90,   1.06,  -0.18,
10/01 14Z,   0.70,   0.41,  99.90,   0.92,  -0.18,  (min)
10/01 15Z,   0.70,   0.42,  99.90,   0.93,  -0.19,
10/01 16Z,   0.70,   0.47,  99.90,   0.98,  -0.19,
10/01 17Z,   0.70,   0.54,  99.90,   1.05,  -0.20,
10/01 18Z,   0.70,   0.64,  99.90,   1.13,  -0.20,
10/01 19Z,   0.70,   0.74,  99.90,   1.23,  -0.21,
10/01 20Z,   0.80,   0.84,  99.90,   1.44,  -0.21,
10/01 21Z,   0.80,   0.95,  99.90,   1.54,  -0.21,
10/01 22Z,   0.80,   1.05,  99.90,   1.64,  -0.21,
10/01 23Z,   0.80,   1.15,  99.90,   1.74,  -0.21,
10/02 00Z,   0.80,   1.25,  99.90,   1.84,  -0.21,
10/02 01Z,   0.80,   1.33,  99.90,   1.93,  -0.21,
10/02 02Z,   0.80,   1.41,  99.90,   2.00,  -0.21,  0.00 ft above HAT
10/02 03Z,   0.80,   1.47,  99.90,   2.06,  -0.21,  0.06 ft above HAT
10/02 04Z,   0.80,   1.50,  99.90,   2.09,  -0.21,  0.09 ft above HAT  (max)
10/02 05Z,   0.80,   1.49,  99.90,   2.08,  -0.21,  0.08 ft above HAT
10/02 06Z,   0.80,   1.44,  99.90,   2.03,  -0.21,  0.03 ft above HAT  (min)
10/02 07Z,   0.90,   1.35,  99.90,   2.04,  -0.21,  0.04 ft above HAT  (max)
10/02 08Z,   0.90,   1.22,  99.90,   1.91,  -0.21,
10/02 09Z,   0.80,   1.06,  99.90,   1.65,  -0.21,
10/02 10Z,   0.80,   0.88,  99.90,   1.47,  -0.21,
10/02 11Z,   0.80,   0.71,  99.90,   1.30,  -0.21,
10/02 12Z,   0.80,   0.55,  99.90,   1.14,  -0.21,
10/02 13Z,   0.70,   0.42,  99.90,   0.91,  -0.21,
10/02 14Z,   0.70,   0.33,  99.90,   0.83,  -0.21,
10/02 15Z,   0.70,   0.29,  99.90,   0.78,  -0.21,  (min)
10/02 16Z,   0.70,   0.29,  99.90,   0.78,  -0.21,
10/02 17Z,   0.70,   0.33,  99.90,   0.82,  -0.21,
10/02 18Z,   0.70,   0.41,  99.90,   0.90,  -0.21,
10/02 19Z,   0.80,   0.51,  99.90,   1.10,  -0.21,
10/02 20Z,   0.80,   0.63,  99.90,   1.22,  -0.21,
10/02 21Z,   0.80,   0.76,  99.90,   1.35,  -0.21,
10/02 22Z,   0.80,   0.90,  99.90,   1.49,  -0.21,
10/02 23Z,   0.80,   1.04,  99.90,   1.63,  -0.21,
10/03 00Z,   0.80,   1.18,  99.90,   1.77,  -0.21,
10/03 01Z,   0.80,   1.31,  99.90,   1.90,  -0.21,
10/03 02Z,   0.80,   1.43,  99.90,   2.02,  -0.21,  0.02 ft above HAT
10/03 03Z,   0.80,   1.53,  99.90,   2.12,  -0.21,  0.12 ft above HAT
10/03 04Z,   0.80,   1.59,  99.90,   2.18,  -0.21,  0.18 ft above HAT
10/03 05Z,   0.80,   1.61,  99.90,   2.20,  -0.21,  0.20 ft above HAT
10/03 06Z,   0.90,   1.59,  99.90,   2.28,  -0.21,  0.28 ft above HAT  (max)
10/03 07Z,   0.90,   1.53,  99.90,   2.22,  -0.21,  0.22 ft above HAT
10/03 08Z,   0.90,   1.41,  99.90,   2.10,  -0.21,  0.10 ft above HAT
10/03 09Z,   0.90,   1.26,  99.90,   1.95,  -0.21,
10/03 10Z,   0.80,   1.08,  99.90,   1.67,  -0.21,
10/03 11Z,   0.90,   0.89,  99.90,   1.58,  -0.21,
10/03 12Z,   0.90,   0.70,  99.90,   1.39,  -0.21,
10/03 13Z,   0.90,   0.53,  99.90,   1.22,  -0.21,
10/03 14Z,   0.80,   0.39,  99.90,   0.98,  -0.21,
10/03 15Z,   0.80,   0.29,  99.90,   0.88,  -0.21,
10/03 16Z,   0.80,   0.23,  99.90,   0.82,  -0.21,
10/03 17Z,   0.80,   0.22,  99.90,   0.81,  -0.21,  (min)
10/03 18Z,   0.80,   0.25,  99.90,   0.85,  -0.21,
10/03 19Z,   0.90,   0.33,  99.90,   1.02,  -0.21,
10/03 20Z,   0.90,   0.43,  99.90,   1.12,  -0.21,
10/03 21Z,   0.90,   0.56,  99.90,   1.25,  -0.21,
10/03 22Z,   0.90,   0.71,  99.90,   1.40,  -0.21,
10/03 23Z,   0.80,   0.87,  99.90,   1.46,  -0.21,
10/04 00Z,   0.80,   1.03,  99.90,   1.62,  -0.21,
10/04 01Z,   0.90,   1.20,  99.90,   1.89,  -0.21,
10/04 02Z,   0.90,   1.35,  99.90,   2.04,  -0.21,  0.04 ft above HAT
10/04 03Z,   0.80,   1.48,  99.90,   2.07,  -0.21,  0.07 ft above HAT
10/04 04Z,   0.80,   1.58,  99.90,   2.17,  -0.21,  0.17 ft above HAT
10/04 05Z,   0.90,   1.64,  99.90,   2.33,  -0.21,  0.33 ft above HAT
10/04 06Z,   0.90,   1.66,  99.90,   2.35,  -0.21,  0.35 ft above HAT  (max)
10/04 07Z,   0.90,   1.63,  99.90,   2.32,  -0.21,  0.32 ft above HAT
10/04 08Z,   0.80,   1.55,  99.90,   2.14,  -0.21,  0.14 ft above HAT
10/04 09Z,   0.80,   1.43,  99.90,   2.02,  -0.21,  0.02 ft above HAT
10/04 10Z,   0.80,   1.28,  99.90,   1.87,  -0.21,
10/04 11Z,   0.80,   1.10,  99.90,   1.69,  -0.21,
10/04 12Z,   0.80,   0.91,  99.90,   1.50,  -0.21,
10/04 13Z,   0.70,   0.72,  99.90,   1.21,  -0.21,
10/04 14Z,   0.70,   0.54,  99.90,   1.04,  -0.21,
10/04 15Z,   0.70,   0.40,  99.90,   0.89,  -0.21,
10/04 16Z,   0.70,   0.29,  99.90,   0.78,  -0.21,
10/04 17Z,   0.70,   0.23,  99.90,   0.72,  -0.21,
10/04 18Z,   0.70,   0.20,  99.90,   0.70,  -0.21,  (min)
10/04 19Z,   0.70,   0.23,  99.90,   0.72,  -0.21,
10/04 20Z,   0.80,   0.29,  99.90,   0.88,  -0.21,
10/04 21Z,   0.80,   0.39,  99.90,   0.98,  -0.21,
10/04 22Z,   0.80,   0.52,  99.90,   1.12,  -0.21,
10/04 23Z,   0.80,   0.68,  99.90,   1.27,  -0.21,
10/05 00Z,   0.80,   0.85,  99.90,   1.44,  -0.21,