EXTRA-TROPICAL  STORM  SURGE
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Manual
Datum
hat-on
mhhw-on
msl-on
mllw-on
Regions
Northeast
Mid-Atlantic
Southeast
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Northwest
Alaska
Gulf of Alaska
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Duck Pier, NC
Cape Hatteras NC
Beaufort, NC
Wilmington, NC
Wrightsville Bch
Holden Beach, NC
Springmaid, SC
Charleston, SC
Ft. Pulaski, GA
Fernandina, FL
Surge List
East Coast
#Seward, AK : 05/21/2026 04:22:02 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/19 12Z,   0.90,  -1.80,  -2.27,  99.90,  -1.37,  (max)
05/19 13Z,   0.90,  -3.72,  -4.19,  99.90,  -1.37,
05/19 14Z,   0.70,  -6.67,  -6.99,  99.90,  -1.02,
05/19 15Z,   0.70, -10.15, -10.54,  99.90,  -1.09,
05/19 16Z,   0.60, -13.47, -13.73,  99.90,  -0.86,
05/19 17Z,   0.60, -15.85, -16.06,  99.90,  -0.81,
05/19 18Z,   0.70, -16.78, -17.00,  99.90,  -0.92,  (min)
05/19 19Z,   0.70, -16.13, -16.39,  99.90,  -0.96,
05/19 20Z,   0.70, -14.20, -14.44,  99.90,  -0.94,
05/19 21Z,   0.70, -11.49, -11.93,  99.90,  -1.14,
05/19 22Z,   0.60,  -8.66,  -9.07,  99.90,  -1.01,
05/19 23Z,   0.60,  -6.35,  -6.88,  99.90,  -1.13,
05/20 00Z,   0.60,  -5.04,  -5.63,  99.90,  -1.19,
05/20 01Z,   0.60,  -4.87,  -5.46,  99.90,  -1.19,  (max)
05/20 02Z,   0.60,  -5.72,  -6.25,  99.90,  -1.13,
05/20 03Z,   0.50,  -7.30,  -7.72,  99.90,  -0.92,
05/20 04Z,   0.50,  -9.11,  -9.54,  99.90,  -0.93,
05/20 05Z,   0.40, -10.53, -11.08,  99.90,  -0.95,
05/20 06Z,   0.60, -11.01, -11.32,  99.90,  -0.91,  (min)
05/20 07Z,   0.60, -10.33, -10.58,  99.90,  -0.85,
05/20 08Z,   0.50,  -8.66,  -8.91,  99.90,  -0.75,
05/20 09Z,   0.70,  -6.41,  -6.91,  99.90,  -1.20,
05/20 10Z,   0.50,  -4.15,  -4.52,  99.90,  -0.87,
05/20 11Z,   0.50,  -2.49,  -2.87,  99.90,  -0.88,
05/20 12Z,   0.60,  -1.90,  -2.39,  99.90,  -1.09,  (max)
05/20 13Z,   0.60,  -2.62,  -3.00,  99.90,  -0.98,
05/20 14Z,   0.60,  -4.53,  -4.75,  99.90,  -0.82,
05/20 15Z,   0.60,  -7.34,  -7.54,  99.90,  -0.80,
05/20 16Z,   0.70, -10.55, -10.72,  99.90,  -0.87,
05/20 17Z,   0.70, -13.50, -13.60,  99.90,  -0.80,
05/20 18Z,   0.70, -15.52, -15.63,  99.90,  -0.81,
05/20 19Z,   0.80, -16.16, -16.39,  99.90,  -1.03,  (min)
05/20 20Z,   0.90, -15.38, -15.51,  99.90,  -1.03,
05/20 21Z,   0.90, -13.49, -13.62,  99.90,  -1.03,
05/20 22Z,   0.90, -10.98, -11.19,  99.90,  -1.11,
05/20 23Z,   0.90,  -8.42,  -8.71,  99.90,  -1.19,
05/21 00Z,   0.90,  -6.39,  -6.65,  99.90,  -1.16,
05/21 01Z,   1.00,  -5.27,  -5.58,  99.90,  -1.31,
05/21 02Z,   1.00,  -5.18,  -5.50,  99.90,  -1.32,  (max)
05/21 03Z,   1.00,  -6.00,  -6.28,  99.90,  -1.28,
05/21 04Z,   1.00,  -7.46,  -7.74,  99.90,  -1.28,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/21 05Z,   0.90,  -9.09,  99.90,  -9.45,  -1.26,
05/21 06Z,   1.10, -10.33,  99.90, -10.47,  -1.24,
05/21 07Z,   1.30, -10.70,  99.90, -10.62,  -1.22,  (min)
05/21 08Z,   0.80, -10.05,  99.90, -10.45,  -1.20,
05/21 09Z,   0.80,  -8.56,  99.90,  -8.94,  -1.18,
05/21 10Z,   0.90,  -6.60,  99.90,  -6.86,  -1.16,
05/21 11Z,   0.90,  -4.68,  99.90,  -4.92,  -1.14,
05/21 12Z,   0.60,  -3.31,  99.90,  -3.83,  -1.12,
05/21 13Z,   0.60,  -2.89,  99.90,  -3.39,  -1.10,  (max)
05/21 14Z,   0.80,  -3.60,  99.90,  -3.88,  -1.08,
05/21 15Z,   0.70,  -5.35,  99.90,  -5.70,  -1.06,
05/21 16Z,   0.60,  -7.85,  99.90,  -8.28,  -1.04,
05/21 17Z,   0.60, -10.67,  99.90, -11.11,  -1.04,
05/21 18Z,   0.70, -13.22,  99.90, -13.55,  -1.04,
05/21 19Z,   0.70, -14.88,  99.90, -15.22,  -1.04,
05/21 20Z,   0.60, -15.32,  99.90, -15.75,  -1.04,  (min)
05/21 21Z,   0.70, -14.53,  99.90, -14.86,  -1.04,
05/21 22Z,   0.80, -12.79,  99.90, -13.03,  -1.04,
05/21 23Z,   0.70, -10.53,  99.90, -10.87,  -1.04,
05/22 00Z,   0.70,  -8.25,  99.90,  -8.58,  -1.04,
05/22 01Z,   0.60,  -6.44,  99.90,  -6.88,  -1.04,
05/22 02Z,   0.60,  -5.45,  99.90,  -5.89,  -1.04,
05/22 03Z,   0.60,  -5.37,  99.90,  -5.80,  -1.04,  (max)
05/22 04Z,   0.60,  -6.10,  99.90,  -6.53,  -1.04,
05/22 05Z,   0.60,  -7.42,  99.90,  -7.86,  -1.04,
05/22 06Z,   0.60,  -8.92,  99.90,  -9.35,  -1.04,
05/22 07Z,   0.60, -10.07,  99.90, -10.51,  -1.04,
05/22 08Z,   0.60, -10.47,  99.90, -10.90,  -1.04,  (min)
05/22 09Z,   0.60,  -9.99,  99.90, -10.43,  -1.04,
05/22 10Z,   0.60,  -8.80,  99.90,  -9.24,  -1.04,
05/22 11Z,   0.70,  -7.20,  99.90,  -7.54,  -1.04,
05/22 12Z,   0.60,  -5.59,  99.90,  -6.03,  -1.04,
05/22 13Z,   0.60,  -4.42,  99.90,  -4.85,  -1.04,
05/22 14Z,   0.60,  -4.04,  99.90,  -4.48,  -1.04,  (max)
05/22 15Z,   0.50,  -4.61,  99.90,  -5.14,  -1.04,
05/22 16Z,   0.50,  -6.05,  99.90,  -6.58,  -1.04,
05/22 17Z,   0.50,  -8.16,  99.90,  -8.69,  -1.04,
05/22 18Z,   0.50, -10.56,  99.90, -11.09,  -1.04,
05/22 19Z,   0.50, -12.71,  99.90, -13.24,  -1.04,
05/22 20Z,   0.60, -14.09,  99.90, -14.52,  -1.04,
05/22 21Z,   0.60, -14.41,  99.90, -14.84,  -1.04,  (min)
05/22 22Z,   0.60, -13.68,  99.90, -14.12,  -1.04,
05/22 23Z,   0.60, -12.14,  99.90, -12.58,  -1.04,
05/23 00Z,   0.60, -10.12,  99.90, -10.55,  -1.04,
05/23 01Z,   0.70,  -8.06,  99.90,  -8.39,  -1.04,
05/23 02Z,   0.60,  -6.40,  99.90,  -6.84,  -1.04,
05/23 03Z,   0.70,  -5.46,  99.90,  -5.80,  -1.04,
05/23 04Z,   0.60,  -5.34,  99.90,  -5.77,  -1.04,  (max)
05/23 05Z,   0.70,  -5.99,  99.90,  -6.33,  -1.04,
05/23 06Z,   0.60,  -7.23,  99.90,  -7.67,  -1.04,
05/23 07Z,   0.60,  -8.69,  99.90,  -9.12,  -1.04,
05/23 08Z,   0.60,  -9.88,  99.90, -10.31,  -1.04,
05/23 09Z,   0.60, -10.44,  99.90, -10.87,  -1.04,  (min)
05/23 10Z,   0.60, -10.24,  99.90, -10.68,  -1.04,
05/23 11Z,   0.60,  -9.39,  99.90,  -9.83,  -1.04,
05/23 12Z,   0.70,  -8.11,  99.90,  -8.45,  -1.04,
05/23 13Z,   0.70,  -6.72,  99.90,  -7.06,  -1.04,
05/23 14Z,   0.70,  -5.63,  99.90,  -5.96,  -1.04,
05/23 15Z,   0.70,  -5.16,  99.90,  -5.49,  -1.04,  (max)
05/23 16Z,   0.80,  -5.47,  99.90,  -5.71,  -1.04,
05/23 17Z,   0.80,  -6.56,  99.90,  -6.79,  -1.04,
05/23 18Z,   0.80,  -8.26,  99.90,  -8.49,  -1.04,
05/23 19Z,   0.80, -10.26,  99.90, -10.50,  -1.04,
05/23 20Z,   0.80, -12.09,  99.90, -12.32,  -1.04,
05/23 21Z,   0.90, -13.26,  99.90, -13.40,  -1.04,
05/23 22Z,   0.80, -13.54,  99.90, -13.77,  -1.04,  (min)
05/23 23Z,   0.80, -12.91,  99.90, -13.14,  -1.04,
05/24 00Z,   0.80, -11.53,  99.90, -11.76,  -1.04,
05/24 01Z,   0.80,  -9.67,  99.90,  -9.91,  -1.04,
05/24 02Z,   0.80,  -7.75,  99.90,  -7.98,  -1.04,
05/24 03Z,   0.90,  -6.17,  99.90,  -6.30,  -1.04,
05/24 04Z,   0.90,  -5.25,  99.90,  -5.38,  -1.04,
05/24 05Z,   0.90,  -5.11,  99.90,  -5.24,  -1.04,  (max)
05/24 06Z,   0.90,  -5.75,  99.90,  -5.88,  -1.04,
05/24 07Z,   0.90,  -7.01,  99.90,  -7.14,  -1.04,
05/24 08Z,   0.90,  -8.54,  99.90,  -8.68,  -1.04,
05/24 09Z,   0.90,  -9.89,  99.90, -10.02,  -1.04,
05/24 10Z,   0.90, -10.69,  99.90, -10.82,  -1.04,
05/24 11Z,   0.80, -10.80,  99.90, -11.03,  -1.04,  (min)
05/24 12Z,   0.70, -10.25,  99.90, -10.58,  -1.04,
05/24 13Z,   0.70,  -9.18,  99.90,  -9.51,  -1.04,
05/24 14Z,   0.60,  -7.87,  99.90,  -8.31,  -1.04,
05/24 15Z,   0.60,  -6.72,  99.90,  -7.16,  -1.04,
05/24 16Z,   0.60,  -6.07,  99.90,  -6.50,  -1.04,  (max)
05/24 17Z,   0.60,  -6.09,  99.90,  -6.53,  -1.04,
05/24 18Z,   0.60,  -6.83,  99.90,  -7.26,  -1.04,
05/24 19Z,  99.90,  -8.19,  99.90,  99.90,  -1.04,
05/24 20Z,  99.90,  -9.88,  99.90,  99.90,  -1.04,
05/24 21Z,  99.90, -11.47,  99.90,  99.90,  -1.04,
05/24 22Z,  99.90, -12.51,  99.90,  99.90,  -1.04,
05/24 23Z,  99.90, -12.76,  99.90,  99.90,  -1.04,
05/25 00Z,  99.90, -12.20,  99.90,  99.90,  -1.04,