EXTRA-TROPICAL  STORM  SURGE
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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 : 09/05/2026 20:21:58 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/04 00Z,   0.70,   4.67,   5.49,  99.90,   0.12,
09/04 01Z,   0.70,   2.46,   3.31,  99.90,   0.15,
09/04 02Z,   0.70,   0.77,   1.64,  99.90,   0.17,
09/04 03Z,   0.70,   0.15,   1.15,  99.90,   0.30,  (min)
09/04 04Z,   0.70,   0.97,   2.17,  99.90,   0.50,
09/04 05Z,   0.70,   2.76,   3.69,  99.90,   0.23,
09/04 06Z,   0.70,   4.78,   5.51,  99.90,   0.03,
09/04 07Z,   0.70,   6.72,   7.60,  99.90,   0.18,
09/04 08Z,   0.70,   8.30,   9.13,  99.90,   0.13,
09/04 09Z,   0.70,   9.00,   9.81,  99.90,   0.11,  (max)
09/04 10Z,   0.70,   8.56,   9.18,  99.90,  -0.08,
09/04 11Z,   0.70,   7.20,   8.00,  99.90,   0.10,
09/04 12Z,   0.70,   5.35,   6.18,  99.90,   0.13,
09/04 13Z,   0.60,   3.46,   4.22,  99.90,   0.16,
09/04 14Z,   0.60,   1.86,   2.63,  99.90,   0.17,
09/04 15Z,   0.60,   1.04,   1.96,  99.90,   0.32,  (min)
09/04 16Z,   0.60,   1.54,   2.62,  99.90,   0.48,
09/04 17Z,   0.70,   3.25,   4.34,  99.90,   0.39,
09/04 18Z,   0.70,   5.40,   6.27,  99.90,   0.17,
09/04 19Z,   0.70,   7.50,   8.27,  99.90,   0.07,
09/04 20Z,   0.70,   9.30,  10.13,  99.90,   0.13,
09/04 21Z,   0.80,  10.34,  11.04,  99.90,  -0.10,  (max)
09/04 22Z,   0.80,  10.21,  10.91,  99.90,  -0.10,
09/04 23Z,   0.80,   8.97,   9.61,  99.90,  -0.16,
09/05 00Z,   0.80,   7.01,   7.80,  99.90,  -0.01,
09/05 01Z,   0.80,   4.78,   5.71,  99.90,   0.13,
09/05 02Z,   0.80,   2.64,   3.51,  99.90,   0.07,
09/05 03Z,   0.80,   0.94,   1.85,  99.90,   0.11,
09/05 04Z,   0.80,   0.31,   1.38,  99.90,   0.27,  (min)
09/05 05Z,   0.70,   1.05,   2.26,  99.90,   0.51,
09/05 06Z,   0.80,   2.66,   3.72,  99.90,   0.26,
09/05 07Z,   0.80,   4.53,   5.37,  99.90,   0.04,
09/05 08Z,   0.80,   6.44,   7.29,  99.90,   0.05,
09/05 09Z,   0.80,   8.02,   8.99,  99.90,   0.17,
09/05 10Z,   0.80,   8.75,   9.60,  99.90,   0.05,  (max)
09/05 11Z,   0.80,   8.38,   9.03,  99.90,  -0.15,
09/05 12Z,   0.80,   7.16,   7.96,  99.90,   0.00,
09/05 13Z,   0.80,   5.47,   6.14,  99.90,  -0.13,
09/05 14Z,   0.80,   3.67,   4.43,  99.90,  -0.04,
09/05 15Z,   0.80,   2.08,   2.91,  99.90,   0.03,
09/05 16Z,   0.90,   1.23,   2.07,  99.90,  -0.06,  (min)
09/05 17Z,   0.90,   1.68,   2.89,  99.90,   0.31,
09/05 18Z,   0.90,   3.26,   4.34,  99.90,   0.18,
09/05 19Z,   0.90,   5.27,   6.14,  99.90,  -0.03,
09/05 20Z,   1.00,   7.32,   8.22,  99.90,  -0.10,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/05 21Z,   0.90,   9.16,  99.90,   9.97,  -0.09,
09/05 22Z,   0.90,  10.25,  99.90,  11.08,  -0.07,  (max)
09/05 23Z,   0.90,  10.19,  99.90,  11.03,  -0.06,
09/06 00Z,   1.00,   9.06,  99.90,  10.02,  -0.04,
09/06 01Z,   1.00,   7.23,  99.90,   8.20,  -0.03,
09/06 02Z,   1.00,   5.07,  99.90,   6.05,  -0.01,
09/06 03Z,   1.10,   2.88,  99.90,   3.98,   0.00,
09/06 04Z,   1.10,   1.09,  99.90,   2.20,   0.02,
09/06 05Z,   1.10,   0.35,  99.90,   1.48,   0.03,  (min)
09/06 06Z,   1.10,   0.95,  99.90,   2.10,   0.04,
09/06 07Z,   1.10,   2.40,  99.90,   3.56,   0.06,
09/06 08Z,   1.10,   4.21,  99.90,   5.38,   0.07,
09/06 09Z,   1.10,   6.17,  99.90,   7.34,   0.07,
09/06 10Z,   1.10,   7.86,  99.90,   9.04,   0.07,
09/06 11Z,   1.10,   8.69,  99.90,   9.86,   0.07,  (max)
09/06 12Z,   1.10,   8.45,  99.90,   9.63,   0.07,
09/06 13Z,   1.10,   7.36,  99.90,   8.53,   0.07,
09/06 14Z,   1.00,   5.75,  99.90,   6.82,   0.07,
09/06 15Z,   1.00,   3.93,  99.90,   5.00,   0.07,
09/06 16Z,   1.00,   2.22,  99.90,   3.29,   0.07,
09/06 17Z,   1.00,   1.24,  99.90,   2.32,   0.07,  (min)
09/06 18Z,   1.00,   1.57,  99.90,   2.65,   0.07,
09/06 19Z,   1.00,   3.01,  99.90,   4.09,   0.07,
09/06 20Z,   1.00,   4.94,  99.90,   6.02,   0.07,
09/06 21Z,   1.00,   7.05,  99.90,   8.12,   0.07,
09/06 22Z,   1.00,   9.02,  99.90,  10.09,   0.07,
09/06 23Z,   1.00,  10.24,  99.90,  11.31,   0.07,  (max)
09/07 00Z,   0.90,  10.31,  99.90,  11.28,   0.07,
09/07 01Z,   0.90,   9.31,  99.90,  10.28,   0.07,
09/07 02Z,   0.90,   7.56,  99.90,   8.54,   0.07,
09/07 03Z,   0.90,   5.39,  99.90,   6.36,   0.07,
09/07 04Z,   1.00,   3.07,  99.90,   4.14,   0.07,
09/07 05Z,   1.00,   1.10,  99.90,   2.17,   0.07,
09/07 06Z,   0.90,   0.23,  99.90,   1.20,   0.07,  (min)
09/07 07Z,   1.00,   0.71,  99.90,   1.78,   0.07,
09/07 08Z,   0.90,   2.07,  99.90,   3.05,   0.07,
09/07 09Z,   0.90,   3.93,  99.90,   4.90,   0.07,
09/07 10Z,   0.90,   6.05,  99.90,   7.03,   0.07,
09/07 11Z,   0.90,   7.91,  99.90,   8.88,   0.07,
09/07 12Z,   0.80,   8.87,  99.90,   9.74,   0.07,  (max)
09/07 13Z,   0.80,   8.74,  99.90,   9.62,   0.07,
09/07 14Z,   0.70,   7.72,  99.90,   8.49,   0.07,
09/07 15Z,   0.70,   6.08,  99.90,   6.86,   0.07,
09/07 16Z,   0.70,   4.12,  99.90,   4.89,   0.07,
09/07 17Z,   0.60,   2.19,  99.90,   2.86,   0.07,
09/07 18Z,   0.70,   1.04,  99.90,   1.82,   0.07,  (min)
09/07 19Z,   0.70,   1.26,  99.90,   2.03,   0.07,
09/07 20Z,   0.70,   2.61,  99.90,   3.38,   0.07,
09/07 21Z,   0.70,   4.55,  99.90,   5.32,   0.07,
09/07 22Z,   0.70,   6.81,  99.90,   7.58,   0.07,
09/07 23Z,   0.70,   8.97,  99.90,   9.74,   0.07,
09/08 00Z,   0.70,  10.34,  99.90,  11.11,   0.07,
09/08 01Z,   0.60,  10.53,  99.90,  11.20,   0.07,  (max)
09/08 02Z,   0.50,   9.61,  99.90,  10.19,   0.07,
09/08 03Z,   0.50,   7.88,  99.90,   8.45,   0.07,
09/08 04Z,   0.40,   5.60,  99.90,   6.07,   0.07,
09/08 05Z,   0.40,   3.07,  99.90,   3.55,   0.07,
09/08 06Z,   0.30,   0.92,  99.90,   1.30,   0.07,
09/08 07Z,   0.30,  -0.03,  99.90,   0.34,   0.07,  (min)
09/08 08Z,   0.40,   0.42,  99.90,   0.89,   0.07,
09/08 09Z,   0.30,   1.82,  99.90,   2.19,   0.07,
09/08 10Z,   0.40,   3.83,  99.90,   4.30,   0.07,
09/08 11Z,   0.40,   6.18,  99.90,   6.65,   0.07,
09/08 12Z,   0.50,   8.20,  99.90,   8.78,   0.07,
09/08 13Z,   0.40,   9.25,  99.90,   9.73,   0.07,
09/08 14Z,   0.50,   9.17,  99.90,   9.74,   0.07,  (max)
09/08 15Z,   0.50,   8.10,  99.90,   8.68,   0.07,
09/08 16Z,   0.40,   6.34,  99.90,   6.81,   0.07,
09/08 17Z,   0.40,   4.13,  99.90,   4.61,   0.07,
09/08 18Z,   0.40,   1.96,  99.90,   2.43,   0.07,
09/08 19Z,   0.40,   0.67,  99.90,   1.14,   0.07,  (min)
09/08 20Z,   0.40,   0.83,  99.90,   1.31,   0.07,
09/08 21Z,   0.50,   2.18,  99.90,   2.76,   0.07,
09/08 22Z,   0.50,   4.23,  99.90,   4.81,   0.07,
09/08 23Z,   0.60,   6.70,  99.90,   7.37,   0.07,
09/09 00Z,   0.60,   9.05,  99.90,   9.72,   0.07,
09/09 01Z,   0.60,  10.53,  99.90,  11.20,   0.07,
09/09 02Z,   0.60,  10.77,  99.90,  11.44,   0.07,  (max)
09/09 03Z,   0.50,   9.85,  99.90,  10.43,   0.07,
09/09 04Z,   0.50,   8.03,  99.90,   8.61,   0.07,
09/09 05Z,   0.40,   5.58,  99.90,   6.05,   0.07,
09/09 06Z,   0.40,   2.85,  99.90,   3.32,   0.07,
09/09 07Z,   0.40,   0.59,  99.90,   1.07,   0.07,
09/09 08Z,   0.50,  -0.33,  99.90,   0.24,   0.07,  (min)
09/09 09Z,   0.50,   0.21,  99.90,   0.78,   0.07,
09/09 10Z,   0.50,   1.76,  99.90,   2.33,   0.07,
09/09 11Z,   0.50,   4.01,  99.90,   4.58,   0.07,
09/09 12Z,   0.50,   6.58,  99.90,   7.15,   0.07,