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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Wilmington, NC
Wrightsville Bch
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Springmaid, SC
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Ft. Pulaski, GA
Fernandina, FL
Surge List
East Coast
#Valdez, AK : 05/11/2026 17:21:58 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/10 00Z,   1.50, -11.89, -12.24,  99.90,  -1.85,
05/10 01Z,   1.50, -10.47, -10.88,  99.90,  -1.91,
05/10 02Z,   1.50,  -9.13,  -9.50,  99.90,  -1.87,
05/10 03Z,   1.50,  -8.01,  -8.28,  99.90,  -1.77,
05/10 04Z,   1.50,  -7.24,  -7.44,  99.90,  -1.70,
05/10 05Z,   1.50,  -7.01,  -7.17,  99.90,  -1.66,  (max)
05/10 06Z,   1.50,  -7.44,  -7.66,  99.90,  -1.72,
05/10 07Z,   1.40,  -8.39,  -8.61,  99.90,  -1.62,
05/10 08Z,   1.40,  -9.48,  -9.58,  99.90,  -1.50,
05/10 09Z,   1.40, -10.30, -10.24,  99.90,  -1.34,
05/10 10Z,   1.40, -10.56, -10.50,  99.90,  -1.34,  (min)
05/10 11Z,   1.50, -10.22, -10.28,  99.90,  -1.56,
05/10 12Z,   1.50,  -9.47,  -9.66,  99.90,  -1.69,
05/10 13Z,   1.30,  -8.59,  -8.87,  99.90,  -1.58,
05/10 14Z,   1.20,  -7.81,  -8.05,  99.90,  -1.44,
05/10 15Z,   1.20,  -7.26,  -7.31,  99.90,  -1.25,
05/10 16Z,   1.30,  -7.06,  -7.04,  99.90,  -1.28,  (max)
05/10 17Z,   1.40,  -7.35,  -7.39,  99.90,  -1.44,
05/10 18Z,   1.30,  -8.28,  -8.39,  99.90,  -1.41,
05/10 19Z,   1.20,  -9.75,  -9.90,  99.90,  -1.35,
05/10 20Z,   1.20, -11.43, -11.56,  99.90,  -1.33,
05/10 21Z,   1.30, -12.85, -12.89,  99.90,  -1.34,
05/10 22Z,   1.40, -13.66, -13.74,  99.90,  -1.48,
05/10 23Z,   1.60, -13.67, -13.92,  99.90,  -1.85,  (min)
05/11 00Z,   1.20, -12.96, -13.51,  99.90,  -1.75,
05/11 01Z,   1.00, -11.71, -12.49,  99.90,  -1.78,
05/11 02Z,   0.90, -10.20, -11.03,  99.90,  -1.73,
05/11 03Z,   1.00,  -8.67,  -9.38,  99.90,  -1.71,
05/11 04Z,   1.10,  -7.34,  -7.98,  99.90,  -1.74,
05/11 05Z,   1.20,  -6.48,  -7.28,  99.90,  -2.00,  (max)
05/11 06Z,   0.80,  -6.37,  -7.36,  99.90,  -1.79,
05/11 07Z,   0.70,  -7.05,  -8.05,  99.90,  -1.70,
05/11 08Z,   0.60,  -8.31,  -9.13,  99.90,  -1.42,
05/11 09Z,   0.70,  -9.70, -10.45,  99.90,  -1.45,
05/11 10Z,   0.80, -10.80, -11.48,  99.90,  -1.48,
05/11 11Z,   0.90, -11.35, -12.13,  99.90,  -1.68,
05/11 12Z,   0.80, -11.26, -12.22,  99.90,  -1.76,  (min)
05/11 13Z,   0.60, -10.62, -11.71,  99.90,  -1.69,
05/11 14Z,   0.50,  -9.64, -10.63,  99.90,  -1.49,
05/11 15Z,   0.40,  -8.56,  -9.43,  99.90,  -1.27,
05/11 16Z,   0.30,  -7.61,  -8.40,  99.90,  -1.09,
05/11 17Z,   0.30,  -7.06,  -7.93,  99.90,  -1.17,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/11 18Z,   0.40,  -7.17,  99.90,  -7.98,  -1.20,
05/11 19Z,   0.50,  -8.05,  99.90,  -8.79,  -1.24,
05/11 20Z,   0.60,  -9.53,  99.90, -10.21,  -1.28,
05/11 21Z,   0.60, -11.22,  99.90, -11.94,  -1.32,
05/11 22Z,   0.60, -12.66,  99.90, -13.42,  -1.36,
05/11 23Z,   0.50, -13.51,  99.90, -14.41,  -1.40,
05/12 00Z,   0.40, -13.57,  99.90, -14.61,  -1.43,  (min)
05/12 01Z,   0.30, -12.82,  99.90, -13.99,  -1.47,
05/12 02Z,   0.10, -11.39,  99.90, -12.80,  -1.51,
05/12 03Z,   0.00,  -9.58,  99.90, -11.13,  -1.55,
05/12 04Z,   0.00,  -7.73,  99.90,  -9.32,  -1.59,
05/12 05Z,   0.00,  -6.24,  99.90,  -7.86,  -1.62,
05/12 06Z,   0.10,  -5.46,  99.90,  -6.99,  -1.62,  (max)
05/12 07Z,   0.20,  -5.65,  99.90,  -7.08,  -1.62,
05/12 08Z,   0.20,  -6.77,  99.90,  -8.19,  -1.62,
05/12 09Z,   0.30,  -8.47,  99.90,  -9.80,  -1.62,
05/12 10Z,   0.30, -10.30,  99.90, -11.62,  -1.62,
05/12 11Z,   0.40, -11.81,  99.90, -13.03,  -1.62,
05/12 12Z,   0.40, -12.67,  99.90, -13.89,  -1.62,
05/12 13Z,   0.40, -12.70,  99.90, -13.93,  -1.62,  (min)
05/12 14Z,   0.50, -11.92,  99.90, -13.05,  -1.62,
05/12 15Z,   0.40, -10.56,  99.90, -11.78,  -1.62,
05/12 16Z,   0.40,  -8.97,  99.90, -10.20,  -1.62,
05/12 17Z,   0.40,  -7.57,  99.90,  -8.80,  -1.62,
05/12 18Z,   0.50,  -6.74,  99.90,  -7.87,  -1.62,  (max)
05/12 19Z,   0.50,  -6.77,  99.90,  -7.89,  -1.62,
05/12 20Z,   0.50,  -7.68,  99.90,  -8.80,  -1.62,
05/12 21Z,   0.60,  -9.24,  99.90, -10.26,  -1.62,
05/12 22Z,   0.70, -11.02,  99.90, -11.95,  -1.62,
05/12 23Z,   0.80, -12.58,  99.90, -13.40,  -1.62,
05/13 00Z,   0.90, -13.51,  99.90, -14.24,  -1.62,
05/13 01Z,   0.90, -13.54,  99.90, -14.26,  -1.62,  (min)
05/13 02Z,   1.00, -12.56,  99.90, -13.19,  -1.62,
05/13 03Z,   1.00, -10.75,  99.90, -11.37,  -1.62,
05/13 04Z,   0.90,  -8.52,  99.90,  -9.24,  -1.62,
05/13 05Z,   0.80,  -6.40,  99.90,  -7.22,  -1.62,
05/13 06Z,   0.80,  -4.89,  99.90,  -5.72,  -1.62,
05/13 07Z,   0.90,  -4.40,  99.90,  -5.12,  -1.62,  (max)
05/13 08Z,   1.00,  -5.05,  99.90,  -5.68,  -1.62,
05/13 09Z,   1.10,  -6.72,  99.90,  -7.24,  -1.62,
05/13 10Z,   1.10,  -8.98,  99.90,  -9.51,  -1.62,
05/13 11Z,   1.10, -11.34,  99.90, -11.87,  -1.62,
05/13 12Z,   1.10, -13.28,  99.90, -13.81,  -1.62,
05/13 13Z,   1.00, -14.35,  99.90, -14.98,  -1.62,  (min)
05/13 14Z,   1.00, -14.28,  99.90, -14.91,  -1.62,
05/13 15Z,   1.00, -13.09,  99.90, -13.72,  -1.62,
05/13 16Z,   1.00, -11.14,  99.90, -11.77,  -1.62,
05/13 17Z,   1.00,  -9.00,  99.90,  -9.62,  -1.62,
05/13 18Z,   1.00,  -7.21,  99.90,  -7.83,  -1.62,
05/13 19Z,   1.00,  -6.22,  99.90,  -6.84,  -1.62,
05/13 20Z,   1.10,  -6.25,  99.90,  -6.77,  -1.62,  (max)
05/13 21Z,   1.10,  -7.26,  99.90,  -7.78,  -1.62,
05/13 22Z,   1.20,  -8.97,  99.90,  -9.39,  -1.62,
05/13 23Z,   1.20, -10.93,  99.90, -11.35,  -1.62,
05/14 00Z,   1.10, -12.64,  99.90, -13.16,  -1.62,
05/14 01Z,   1.10, -13.60,  99.90, -14.12,  -1.62,  (min)
05/14 02Z,   1.10, -13.43,  99.90, -13.96,  -1.62,
05/14 03Z,   1.00, -12.04,  99.90, -12.66,  -1.62,
05/14 04Z,   1.00,  -9.72,  99.90, -10.35,  -1.62,
05/14 05Z,   1.10,  -7.10,  99.90,  -7.63,  -1.62,
05/14 06Z,   1.10,  -4.86,  99.90,  -5.39,  -1.62,
05/14 07Z,   1.20,  -3.55,  99.90,  -3.97,  -1.62,
05/14 08Z,   1.20,  -3.48,  99.90,  -3.90,  -1.62,  (max)
05/14 09Z,   1.20,  -4.70,  99.90,  -5.13,  -1.62,
05/14 10Z,   1.10,  -6.99,  99.90,  -7.51,  -1.62,
05/14 11Z,   1.00,  -9.87,  99.90, -10.50,  -1.62,
05/14 12Z,   1.00, -12.77,  99.90, -13.39,  -1.62,
05/14 13Z,   1.00, -15.04,  99.90, -15.66,  -1.62,
05/14 14Z,   0.90, -16.11,  99.90, -16.83,  -1.62,  (min)
05/14 15Z,   0.80, -15.67,  99.90, -16.50,  -1.62,
05/14 16Z,   0.80, -13.88,  99.90, -14.71,  -1.62,
05/14 17Z,   0.80, -11.31,  99.90, -12.13,  -1.62,
05/14 18Z,   0.90,  -8.69,  99.90,  -9.41,  -1.62,
05/14 19Z,   0.90,  -6.65,  99.90,  -7.38,  -1.62,
05/14 20Z,   0.90,  -5.61,  99.90,  -6.34,  -1.62,  (max)
05/14 21Z,   0.90,  -5.73,  99.90,  -6.45,  -1.62,
05/14 22Z,   0.80,  -6.90,  99.90,  -7.73,  -1.62,
05/14 23Z,   0.80,  -8.82,  99.90,  -9.64,  -1.62,
05/15 00Z,   0.80, -10.99,  99.90, -11.82,  -1.62,
05/15 01Z,   0.80, -12.81,  99.90, -13.64,  -1.62,
05/15 02Z,   0.80, -13.66,  99.90, -14.49,  -1.62,  (min)
05/15 03Z,   0.80, -13.12,  99.90, -13.95,  -1.62,
05/15 04Z,   0.70, -11.20,  99.90, -12.13,  -1.62,
05/15 05Z,   0.70,  -8.41,  99.90,  -9.34,  -1.62,
05/15 06Z,   0.60,  -5.56,  99.90,  -6.58,  -1.62,
05/15 07Z,   0.70,  -3.38,  99.90,  -4.31,  -1.62,
05/15 08Z,   0.70,  -2.40,  99.90,  -3.33,  -1.62,  (max)
05/15 09Z,   0.80,  -2.84,  99.90,  -3.67,  -1.62,
05/15 10Z,   0.70,  -4.67,  99.90,  -5.60,  -1.62,
05/15 11Z,   0.70,  -7.59,  99.90,  -8.51,  -1.62,
05/15 12Z,   0.60, -11.06,  99.90, -12.09,  -1.62,