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
#Portland, ME : 03/17/2026 15:21:07 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/16 00Z,   0.20,   6.92,   6.71,  99.90,  -0.41,
03/16 01Z,   0.30,   7.93,   7.72,  99.90,  -0.51,
03/16 02Z,   0.30,   8.14,   8.00,  99.90,  -0.44,  (max)
03/16 03Z,   0.30,   7.49,   7.54,  99.90,  -0.25,
03/16 04Z,   0.30,   6.04,   6.09,  99.90,  -0.25,
03/16 05Z,   0.30,   4.15,   4.28,  99.90,  -0.17,
03/16 06Z,   0.30,   2.45,   2.57,  99.90,  -0.18,
03/16 07Z,   0.30,   1.42,   1.54,  99.90,  -0.18,
03/16 08Z,   0.30,   1.27,   1.36,  99.90,  -0.21,  (min)
03/16 09Z,   0.40,   2.04,   2.15,  99.90,  -0.29,
03/16 10Z,   0.40,   3.63,   3.77,  99.90,  -0.26,
03/16 11Z,   0.50,   5.68,   5.88,  99.90,  -0.30,
03/16 12Z,   0.50,   7.59,   7.96,  99.90,  -0.13,
03/16 13Z,   0.50,   8.86,   9.40,  99.90,   0.04,
03/16 14Z,   0.50,   9.24,  10.06,  99.90,   0.32,  (max)
03/16 15Z,   0.70,   8.67,   9.62,  99.90,   0.25,
03/16 16Z,   0.60,   7.17,   8.23,  99.90,   0.46,
03/16 17Z,   0.50,   5.02,   6.19,  99.90,   0.67,
03/16 18Z,   0.40,   2.81,   3.96,  99.90,   0.75,
03/16 19Z,   0.40,   1.17,   2.03,  99.90,   0.46,
03/16 20Z,   0.50,   0.43,   1.21,  99.90,   0.28,  (min)
03/16 21Z,   0.60,   0.70,   1.40,  99.90,   0.10,
03/16 22Z,   0.60,   1.95,   2.59,  99.90,   0.04,
03/16 23Z,   0.60,   3.92,   4.62,  99.90,   0.10,
03/17 00Z,   0.90,   6.06,   6.76,  99.90,  -0.20,
03/17 01Z,   0.90,   7.76,   8.50,  99.90,  -0.16,
03/17 02Z,   0.90,   8.65,   9.53,  99.90,  -0.02,  (max)
03/17 03Z,   0.90,   8.58,   9.38,  99.90,  -0.10,
03/17 04Z,   0.80,   7.54,   8.68,  99.90,   0.34,
03/17 05Z,   0.80,   5.67,   7.02,  99.90,   0.55,
03/17 06Z,   0.80,   3.48,   4.75,  99.90,   0.47,
03/17 07Z,   0.90,   1.67,   2.85,  99.90,   0.28,
03/17 08Z,   1.00,   0.72,   1.94,  99.90,   0.22,  (min)
03/17 09Z,   1.00,   0.82,   1.95,  99.90,   0.13,
03/17 10Z,   0.90,   1.96,   2.70,  99.90,  -0.16,
03/17 11Z,   0.60,   3.94,   4.35,  99.90,  -0.19,
03/17 12Z,   0.30,   6.26,   6.52,  99.90,  -0.04,
03/17 13Z,  -0.10,   8.26,   8.31,  99.90,   0.15,
03/17 14Z,  -0.30,   9.44,   9.51,  99.90,   0.37,  (max)
03/17 15Z,  -0.50,   9.58,   9.47,  99.90,   0.39,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/17 16Z,  -0.60,   8.65,  99.90,   8.40,   0.36,
03/17 17Z,  -0.90,   6.75,  99.90,   6.17,   0.32,
03/17 18Z,  -1.00,   4.29,  99.90,   3.57,   0.29,
03/17 19Z,  -1.00,   1.97,  99.90,   1.22,   0.25,
03/17 20Z,  -1.10,   0.43,  99.90,  -0.45,   0.22,
03/17 21Z,  -1.00,  -0.01,  99.90,  -0.82,   0.18,  (min)
03/17 22Z,  -0.90,   0.70,  99.90,  -0.05,   0.15,
03/17 23Z,  -0.90,   2.43,  99.90,   1.64,   0.11,
03/18 00Z,  -0.80,   4.77,  99.90,   4.05,   0.08,
03/18 01Z,  -0.60,   7.07,  99.90,   6.52,   0.04,
03/18 02Z,  -0.50,   8.70,  99.90,   8.21,   0.01,
03/18 03Z,  -0.50,   9.33,  99.90,   8.80,  -0.03,  (max)
03/18 04Z,  -0.40,   8.86,  99.90,   8.43,  -0.03,
03/18 05Z,  -0.40,   7.33,  99.90,   6.91,  -0.03,
03/18 06Z,  -0.40,   5.04,  99.90,   4.61,  -0.03,
03/18 07Z,  -0.50,   2.61,  99.90,   2.09,  -0.03,
03/18 08Z,  -0.50,   0.79,  99.90,   0.27,  -0.03,
03/18 09Z,  -0.60,   0.05,  99.90,  -0.57,  -0.03,  (min)
03/18 10Z,  -0.50,   0.52,  99.90,  -0.01,  -0.03,
03/18 11Z,  -0.40,   2.09,  99.90,   1.66,  -0.03,
03/18 12Z,  -0.20,   4.44,  99.90,   4.22,  -0.03,
03/18 13Z,   0.00,   6.97,  99.90,   6.94,  -0.03,
03/18 14Z,   0.10,   8.95,  99.90,   9.02,  -0.03,
03/18 15Z,   0.10,   9.91,  99.90,   9.99,  -0.03,  (max)
03/18 16Z,   0.10,   9.71,  99.90,   9.79,  -0.03,
03/18 17Z,   0.00,   8.36,  99.90,   8.34,  -0.03,
03/18 18Z,   0.00,   6.07,  99.90,   6.05,  -0.03,
03/18 19Z,   0.00,   3.39,  99.90,   3.37,  -0.03,
03/18 20Z,   0.00,   1.09,  99.90,   1.07,  -0.03,
03/18 21Z,   0.10,  -0.18,  99.90,  -0.11,  -0.03,  (min)
03/18 22Z,   0.20,  -0.19,  99.90,  -0.02,  -0.03,
03/18 23Z,   0.20,   1.02,  99.90,   1.20,  -0.03,
03/19 00Z,   0.30,   3.21,  99.90,   3.49,  -0.03,
03/19 01Z,   0.30,   5.84,  99.90,   6.12,  -0.03,
03/19 02Z,   0.30,   8.17,  99.90,   8.45,  -0.03,
03/19 03Z,   0.30,   9.59,  99.90,   9.87,  -0.03,
03/19 04Z,   0.20,   9.83,  99.90,  10.01,  -0.03,  (max)
03/19 05Z,   0.10,   8.88,  99.90,   8.95,  -0.03,
03/19 06Z,   0.10,   6.86,  99.90,   6.94,  -0.03,
03/19 07Z,   0.10,   4.21,  99.90,   4.28,  -0.03,
03/19 08Z,   0.20,   1.66,  99.90,   1.83,  -0.03,
03/19 09Z,   0.20,  -0.03,  99.90,   0.14,  -0.03,
03/19 10Z,   0.30,  -0.45,  99.90,  -0.18,  -0.03,  (min)
03/19 11Z,   0.30,   0.43,  99.90,   0.71,  -0.03,
03/19 12Z,   0.40,   2.42,  99.90,   2.79,  -0.03,
03/19 13Z,   0.40,   5.07,  99.90,   5.44,  -0.03,
03/19 14Z,   0.40,   7.67,  99.90,   8.05,  -0.03,
03/19 15Z,   0.40,   9.51,  99.90,   9.89,  -0.03,
03/19 16Z,   0.30,  10.17,  99.90,  10.45,  -0.03,  (max)
03/19 17Z,   0.30,   9.58,  99.90,   9.85,  -0.03,
03/19 18Z,   0.30,   7.83,  99.90,   8.11,  -0.03,
03/19 19Z,   0.30,   5.24,  99.90,   5.52,  -0.03,
03/19 20Z,   0.30,   2.48,  99.90,   2.75,  -0.03,
03/19 21Z,   0.30,   0.35,  99.90,   0.63,  -0.03,
03/19 22Z,   0.40,  -0.54,  99.90,  -0.17,  -0.03,  (min)
03/19 23Z,   0.50,  -0.06,  99.90,   0.41,  -0.03,
03/20 00Z,   0.50,   1.65,  99.90,   2.12,  -0.03,
03/20 01Z,   0.50,   4.21,  99.90,   4.68,  -0.03,
03/20 02Z,   0.50,   6.98,  99.90,   7.46,  -0.03,
03/20 03Z,   0.50,   9.20,  99.90,   9.67,  -0.03,
03/20 04Z,   0.50,  10.28,  99.90,  10.76,  -0.03,  (max)
03/20 05Z,   0.40,  10.08,  99.90,  10.45,  -0.03,
03/20 06Z,   0.40,   8.63,  99.90,   9.01,  -0.03,
03/20 07Z,   0.40,   6.20,  99.90,   6.57,  -0.03,
03/20 08Z,   0.50,   3.31,  99.90,   3.78,  -0.03,
03/20 09Z,   0.50,   0.78,  99.90,   1.25,  -0.03,
03/20 10Z,   0.60,  -0.67,  99.90,  -0.10,  -0.03,  (min)
03/20 11Z,   0.70,  -0.72,  99.90,  -0.04,  -0.03,
03/20 12Z,   0.70,   0.57,  99.90,   1.24,  -0.03,
03/20 13Z,   0.70,   2.89,  99.90,   3.56,  -0.03,
03/20 14Z,   0.60,   5.70,  99.90,   6.28,  -0.03,
03/20 15Z,   0.60,   8.25,  99.90,   8.82,  -0.03,
03/20 16Z,   0.50,   9.84,  99.90,  10.32,  -0.03,
03/20 17Z,   0.50,  10.16,  99.90,  10.63,  -0.03,  (max)
03/20 18Z,   0.50,   9.20,  99.90,   9.67,  -0.03,
03/20 19Z,   0.50,   7.14,  99.90,   7.62,  -0.03,
03/20 20Z,   0.50,   4.40,  99.90,   4.87,  -0.03,
03/20 21Z,   0.60,   1.70,  99.90,   2.28,  -0.03,
03/20 22Z,   0.60,  -0.12,  99.90,   0.46,  -0.03,
03/20 23Z,   0.70,  -0.58,  99.90,   0.10,  -0.03,  (min)
03/21 00Z,   0.70,   0.37,  99.90,   1.04,  -0.03,
03/21 01Z,   0.70,   2.47,  99.90,   3.14,  -0.03,
03/21 02Z,   0.70,   5.26,  99.90,   5.93,  -0.03,
03/21 03Z,   0.70,   8.02,  99.90,   8.69,  -0.03,
03/21 04Z,   0.60,   9.98,  99.90,  10.56,  -0.03,
03/21 05Z,   0.60,  10.68,  99.90,  11.25,  -0.03,  (max)
03/21 06Z,   0.60,  10.03,  99.90,  10.61,  -0.03,
03/21 07Z,  99.90,   8.19,  99.90,  99.90,  -0.03,
03/21 08Z,  99.90,   5.47,  99.90,  99.90,  -0.03,
03/21 09Z,  99.90,   2.50,  99.90,  99.90,  -0.03,
03/21 10Z,  99.90,   0.11,  99.90,  99.90,  -0.03,
03/21 11Z,  99.90,  -1.03,  99.90,  99.90,  -0.03,
03/21 12Z,  99.90,  -0.72,  99.90,  99.90,  -0.03,