EXTRA-TROPICAL  STORM  SURGE
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hat-on
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Surge List
#Washington, DC : 05/10/2026 08:21:07 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/08 12Z,   0.70,   0.69,   0.85,  99.90,  -0.54,  (min)
05/08 13Z,   0.70,   0.94,   1.33,  99.90,  -0.31,
05/08 14Z,   0.70,   1.50,   2.09,  99.90,  -0.11,
05/08 15Z,   0.70,   2.25,   2.73,  99.90,  -0.22,
05/08 16Z,   0.70,   2.81,   3.17,  99.90,  -0.34,
05/08 17Z,   0.70,   2.99,   3.47,  99.90,  -0.22,  (max)
05/08 18Z,   0.80,   2.89,   3.41,  99.90,  -0.28,
05/08 19Z,   0.80,   2.57,   3.03,  99.90,  -0.34,
05/08 20Z,   0.80,   2.10,   2.45,  99.90,  -0.45,
05/08 21Z,   0.80,   1.58,   1.90,  99.90,  -0.48,
05/08 22Z,   0.80,   1.11,   1.47,  99.90,  -0.44,
05/08 23Z,   0.80,   0.77,   1.08,  99.90,  -0.49,
05/09 00Z,   0.80,   0.62,   0.86,  99.90,  -0.56,
05/09 01Z,   0.80,   0.65,   0.81,  99.90,  -0.64,  (min)
05/09 02Z,   0.80,   0.97,   1.14,  99.90,  -0.63,
05/09 03Z,   0.80,   1.60,   1.77,  99.90,  -0.63,
05/09 04Z,   0.80,   2.27,   2.44,  99.90,  -0.63,
05/09 05Z,   0.80,   2.67,   2.88,  99.90,  -0.59,
05/09 06Z,   0.80,   2.77,   3.10,  99.90,  -0.47,  (max)
05/09 07Z,   0.80,   2.64,   3.08,  99.90,  -0.36,
05/09 08Z,   0.80,   2.29,   2.77,  99.90,  -0.32,
05/09 09Z,   0.80,   1.80,   2.35,  99.90,  -0.25,
05/09 10Z,   0.80,   1.30,   2.02,  99.90,  -0.08,
05/09 11Z,   0.80,   0.90,   1.76,  99.90,   0.06,
05/09 12Z,   0.80,   0.70,   1.58,  99.90,   0.08,  (min)
05/09 13Z,   0.90,   0.73,   1.79,  99.90,   0.16,
05/09 14Z,   0.90,   1.00,   2.38,  99.90,   0.48,
05/09 15Z,   0.90,   1.58,   3.02,  99.90,   0.54,
05/09 16Z,   0.90,   2.31,   3.53,  99.90,   0.32,
05/09 17Z,   0.90,   2.80,   3.83,  99.90,   0.13,
05/09 18Z,   1.00,   2.93,   3.84,  99.90,  -0.09,  (max)
05/09 19Z,   1.00,   2.81,   3.59,  99.90,  -0.22,
05/09 20Z,   1.00,   2.48,   3.05,  99.90,  -0.43,
05/09 21Z,   1.00,   2.00,   2.42,  99.90,  -0.58,
05/09 22Z,   1.00,   1.48,   1.90,  99.90,  -0.58,
05/09 23Z,   1.00,   1.02,   1.45,  99.90,  -0.57,
05/10 00Z,   1.00,   0.70,   1.14,  99.90,  -0.56,
05/10 01Z,   1.00,   0.59,   0.96,  99.90,  -0.63,  (min)
05/10 02Z,   1.00,   0.68,   0.97,  99.90,  -0.71,
05/10 03Z,   1.00,   1.06,   1.42,  99.90,  -0.64,
05/10 04Z,   1.00,   1.74,   2.17,  99.90,  -0.57,
05/10 05Z,   1.00,   2.40,   2.78,  99.90,  -0.62,
05/10 06Z,   1.00,   2.75,   3.12,  99.90,  -0.63,
05/10 07Z,   1.00,   2.82,   3.18,  99.90,  -0.64,  (max)
05/10 08Z,   1.00,   2.66,   2.94,  99.90,  -0.72,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/10 09Z,   1.00,   2.28,  99.90,   2.58,  -0.70,
05/10 10Z,   1.00,   1.78,  99.90,   2.09,  -0.69,
05/10 11Z,   1.00,   1.28,  99.90,   1.61,  -0.67,
05/10 12Z,   1.00,   0.90,  99.90,   1.24,  -0.65,
05/10 13Z,   1.00,   0.71,  99.90,   1.08,  -0.63,
05/10 14Z,   0.90,   0.74,  99.90,   1.03,  -0.62,  (min)
05/10 15Z,   0.90,   1.02,  99.90,   1.32,  -0.60,
05/10 16Z,   0.90,   1.61,  99.90,   1.93,  -0.58,
05/10 17Z,   0.90,   2.32,  99.90,   2.65,  -0.57,
05/10 18Z,   0.90,   2.77,  99.90,   3.12,  -0.55,
05/10 19Z,   0.90,   2.89,  99.90,   3.26,  -0.53,  (max)
05/10 20Z,   0.90,   2.76,  99.90,   3.15,  -0.51,
05/10 21Z,   0.80,   2.42,  99.90,   2.70,  -0.51,
05/10 22Z,   0.80,   1.91,  99.90,   2.20,  -0.51,
05/10 23Z,   0.80,   1.39,  99.90,   1.67,  -0.51,
05/11 00Z,   0.80,   0.93,  99.90,   1.21,  -0.51,
05/11 01Z,   0.80,   0.64,  99.90,   0.92,  -0.51,
05/11 02Z,   0.80,   0.55,  99.90,   0.83,  -0.51,  (min)
05/11 03Z,   0.80,   0.68,  99.90,   0.97,  -0.51,
05/11 04Z,   0.80,   1.14,  99.90,   1.43,  -0.51,
05/11 05Z,   0.80,   1.87,  99.90,   2.16,  -0.51,
05/11 06Z,   0.80,   2.53,  99.90,   2.81,  -0.51,
05/11 07Z,   0.80,   2.87,  99.90,   3.15,  -0.51,  (max)
05/11 08Z,   0.70,   2.92,  99.90,   3.10,  -0.51,
05/11 09Z,   0.70,   2.72,  99.90,   2.91,  -0.51,
05/11 10Z,   0.70,   2.30,  99.90,   2.48,  -0.51,
05/11 11Z,   0.70,   1.77,  99.90,   1.96,  -0.51,
05/11 12Z,   0.70,   1.27,  99.90,   1.45,  -0.51,
05/11 13Z,   0.70,   0.89,  99.90,   1.07,  -0.51,
05/11 14Z,   0.70,   0.70,  99.90,   0.89,  -0.51,  (min)
05/11 15Z,   0.70,   0.71,  99.90,   0.90,  -0.51,
05/11 16Z,   0.70,   0.99,  99.90,   1.18,  -0.51,
05/11 17Z,   0.70,   1.60,  99.90,   1.79,  -0.51,
05/11 18Z,   0.70,   2.30,  99.90,   2.48,  -0.51,
05/11 19Z,   0.70,   2.74,  99.90,   2.92,  -0.51,
05/11 20Z,   0.70,   2.86,  99.90,   3.05,  -0.51,  (max)
05/11 21Z,   0.70,   2.73,  99.90,   2.92,  -0.51,
05/11 22Z,   0.70,   2.36,  99.90,   2.54,  -0.51,
05/11 23Z,   0.70,   1.83,  99.90,   2.02,  -0.51,
05/12 00Z,   0.70,   1.29,  99.90,   1.47,  -0.51,
05/12 01Z,   0.70,   0.83,  99.90,   1.02,  -0.51,
05/12 02Z,   0.70,   0.56,  99.90,   0.75,  -0.51,
05/12 03Z,   0.60,   0.50,  99.90,   0.59,  -0.51,  (min)
05/12 04Z,   0.60,   0.68,  99.90,   0.77,  -0.51,
05/12 05Z,   0.60,   1.22,  99.90,   1.31,  -0.51,
05/12 06Z,   0.60,   2.02,  99.90,   2.10,  -0.51,
05/12 07Z,   0.60,   2.69,  99.90,   2.77,  -0.51,
05/12 08Z,   0.60,   3.02,  99.90,   3.11,  -0.51,
05/12 09Z,   0.60,   3.05,  99.90,   3.14,  -0.51,  (max)
05/12 10Z,   0.60,   2.80,  99.90,   2.89,  -0.51,
05/12 11Z,   0.60,   2.32,  99.90,   2.41,  -0.51,
05/12 12Z,   0.60,   1.76,  99.90,   1.85,  -0.51,
05/12 13Z,   0.60,   1.24,  99.90,   1.33,  -0.51,
05/12 14Z,   0.60,   0.86,  99.90,   0.94,  -0.51,
05/12 15Z,   0.60,   0.65,  99.90,   0.74,  -0.51,
05/12 16Z,   0.50,   0.63,  99.90,   0.62,  -0.51,  (min)
05/12 17Z,   0.50,   0.92,  99.90,   0.90,  -0.51,
05/12 18Z,   0.50,   1.56,  99.90,   1.54,  -0.51,
05/12 19Z,   0.60,   2.27,  99.90,   2.35,  -0.51,
05/12 20Z,   0.60,   2.72,  99.90,   2.81,  -0.51,
05/12 21Z,   0.50,   2.86,  99.90,   2.84,  -0.51,  (max)
05/12 22Z,   0.50,   2.71,  99.90,   2.70,  -0.51,
05/12 23Z,   0.50,   2.30,  99.90,   2.28,  -0.51,
05/13 00Z,   0.50,   1.74,  99.90,   1.72,  -0.51,
05/13 01Z,   0.50,   1.18,  99.90,   1.17,  -0.51,
05/13 02Z,   0.50,   0.74,  99.90,   0.72,  -0.51,
05/13 03Z,   0.50,   0.49,  99.90,   0.48,  -0.51,
05/13 04Z,   0.50,   0.46,  99.90,   0.44,  -0.51,  (min)
05/13 05Z,   0.50,   0.69,  99.90,   0.68,  -0.51,
05/13 06Z,   0.50,   1.32,  99.90,   1.31,  -0.51,
05/13 07Z,   0.50,   2.19,  99.90,   2.18,  -0.51,
05/13 08Z,   0.60,   2.89,  99.90,   2.97,  -0.51,
05/13 09Z,   0.60,   3.22,  99.90,   3.30,  -0.51,  (max)
05/13 10Z,   0.60,   3.21,  99.90,   3.29,  -0.51,
05/13 11Z,   0.60,   2.88,  99.90,   2.97,  -0.51,
05/13 12Z,   0.60,   2.34,  99.90,   2.42,  -0.51,
05/13 13Z,   0.60,   1.74,  99.90,   1.83,  -0.51,
05/13 14Z,   0.60,   1.20,  99.90,   1.29,  -0.51,
05/13 15Z,   0.70,   0.80,  99.90,   0.99,  -0.51,
05/13 16Z,   0.70,   0.57,  99.90,   0.75,  -0.51,
05/13 17Z,   0.70,   0.52,  99.90,   0.71,  -0.51,  (min)
05/13 18Z,   0.70,   0.82,  99.90,   1.01,  -0.51,
05/13 19Z,   0.70,   1.51,  99.90,   1.70,  -0.51,
05/13 20Z,   0.70,   2.26,  99.90,   2.44,  -0.51,
05/13 21Z,   0.70,   2.73,  99.90,   2.91,  -0.51,
05/13 22Z,   0.70,   2.87,  99.90,   3.06,  -0.51,  (max)
05/13 23Z,   0.70,   2.69,  99.90,   2.88,  -0.51,
05/14 00Z,   0.70,   2.23,  99.90,   2.41,  -0.51,