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
Atlantic City, NJ
Cape May, NJ
Philadelphia, PA
Reedy Pnt, DE
Lewes, DE
Ocean City, MD
Wachapreague
Kiptopeke, VA
Cambridge, MD
Baltimore, MD
Annapolis, MD
Solomons Is, MD
Washington DC
Colonial Beach
Lewisetta, VA
Gloucester Pnt
Hampton Road
Portsmouth, VA
CBBT, VA
Duck Pier, NC
Cape Hatteras NC
Surge List
East Coast
#Philadelphia, PA : 05/15/2026 18:22:00 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/14 00Z,   0.60,  -5.16,  -4.49,  99.90,   0.07,
05/14 01Z,   0.60,  -3.34,  -3.02,  99.90,  -0.28,
05/14 02Z,   0.60,  -2.10,  -1.88,  99.90,  -0.38,
05/14 03Z,   0.60,  -1.31,  -1.06,  99.90,  -0.35,
05/14 04Z,   0.60,  -1.07,  -0.93,  99.90,  -0.46,  (max)
05/14 05Z,   0.60,  -1.69,  -1.89,  99.90,  -0.80,
05/14 06Z,   0.70,  -2.84,  -3.09,  99.90,  -0.95,
05/14 07Z,   0.60,  -4.04,  -4.17,  99.90,  -0.73,
05/14 08Z,   0.60,  -5.14,  -5.27,  99.90,  -0.73,
05/14 09Z,   0.60,  -6.13,  -6.32,  99.90,  -0.79,
05/14 10Z,   0.60,  -6.97,  -7.26,  99.90,  -0.89,
05/14 11Z,   0.50,  -7.23,  -7.94,  99.90,  -1.21,  (min)
05/14 12Z,   0.50,  -6.27,  -6.48,  99.90,  -0.71,
05/14 13Z,   0.50,  -4.55,  -4.55,  99.90,  -0.50,
05/14 14Z,   0.50,  -3.14,  -3.19,  99.90,  -0.55,
05/14 15Z,   0.50,  -2.23,  -2.15,  99.90,  -0.42,
05/14 16Z,   0.50,  -1.72,  -1.51,  99.90,  -0.29,  (max)
05/14 17Z,   0.50,  -1.98,  -1.95,  99.90,  -0.47,
05/14 18Z,   0.50,  -2.98,  -3.08,  99.90,  -0.60,
05/14 19Z,   0.50,  -4.16,  -4.19,  99.90,  -0.53,
05/14 20Z,   0.50,  -5.24,  -5.23,  99.90,  -0.49,
05/14 21Z,   0.50,  -6.16,  -6.35,  99.90,  -0.69,
05/14 22Z,   0.50,  -6.91,  -7.40,  99.90,  -0.99,
05/14 23Z,   0.50,  -7.28,  -8.18,  99.90,  -1.40,  (min)
05/15 00Z,   0.40,  -6.59,  -6.80,  99.90,  -0.61,
05/15 01Z,   0.40,  -4.78,  -4.69,  99.90,  -0.31,
05/15 02Z,   0.40,  -2.91,  -3.21,  99.90,  -0.70,
05/15 03Z,   0.40,  -1.68,  -2.07,  99.90,  -0.79,
05/15 04Z,   0.40,  -0.92,  -1.20,  99.90,  -0.68,  (max)
05/15 05Z,   0.40,  -0.83,  -1.27,  99.90,  -0.84,
05/15 06Z,   0.20,  -1.61,  -2.29,  99.90,  -0.88,
05/15 07Z,   0.20,  -2.80,  -3.51,  99.90,  -0.91,
05/15 08Z,   0.20,  -3.98,  -4.64,  99.90,  -0.86,
05/15 09Z,   0.20,  -5.09,  -5.77,  99.90,  -0.88,
05/15 10Z,   0.20,  -6.15,  -6.86,  99.90,  -0.91,
05/15 11Z,   0.10,  -7.09,  -7.81,  99.90,  -0.82,
05/15 12Z,   0.10,  -7.33,  -8.44,  99.90,  -1.21,  (min)
05/15 13Z,   0.10,  -6.26,  -6.76,  99.90,  -0.60,
05/15 14Z,   0.00,  -4.51,  -4.87,  99.90,  -0.36,
05/15 15Z,   0.00,  -3.13,  -3.48,  99.90,  -0.35,
05/15 16Z,   0.00,  -2.20,  -2.53,  99.90,  -0.33,
05/15 17Z,   0.00,  -1.74,  -2.04,  99.90,  -0.30,  (max)
05/15 18Z,   0.00,  -2.14,  -2.64,  99.90,  -0.50,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/15 19Z,   0.00,  -3.18,  99.90,  -3.68,  -0.50,
05/15 20Z,   0.00,  -4.32,  99.90,  -4.82,  -0.50,
05/15 21Z,   0.00,  -5.34,  99.90,  -5.85,  -0.50,
05/15 22Z,   0.00,  -6.23,  99.90,  -6.74,  -0.51,
05/15 23Z,   0.00,  -6.98,  99.90,  -7.49,  -0.51,
05/16 00Z,   0.00,  -7.26,  99.90,  -7.77,  -0.51,  (min)
05/16 01Z,   0.10,  -6.35,  99.90,  -6.75,  -0.51,
05/16 02Z,   0.10,  -4.37,  99.90,  -4.77,  -0.51,
05/16 03Z,   0.10,  -2.50,  99.90,  -2.90,  -0.51,
05/16 04Z,   0.10,  -1.30,  99.90,  -1.70,  -0.51,
05/16 05Z,   0.20,  -0.63,  99.90,  -0.93,  -0.51,  (max)
05/16 06Z,   0.20,  -0.72,  99.90,  -1.02,  -0.51,
05/16 07Z,   0.20,  -1.63,  99.90,  -1.93,  -0.51,
05/16 08Z,   0.20,  -2.82,  99.90,  -3.13,  -0.51,
05/16 09Z,   0.20,  -3.96,  99.90,  -4.27,  -0.51,
05/16 10Z,   0.20,  -5.07,  99.90,  -5.38,  -0.51,
05/16 11Z,   0.20,  -6.20,  99.90,  -6.51,  -0.51,
05/16 12Z,   0.20,  -7.22,  99.90,  -7.53,  -0.51,
05/16 13Z,   0.20,  -7.39,  99.90,  -7.69,  -0.51,  (min)
05/16 14Z,   0.20,  -6.19,  99.90,  -6.49,  -0.51,
05/16 15Z,   0.20,  -4.44,  99.90,  -4.74,  -0.51,
05/16 16Z,   0.30,  -3.09,  99.90,  -3.29,  -0.51,
05/16 17Z,   0.30,  -2.18,  99.90,  -2.38,  -0.51,
05/16 18Z,   0.30,  -1.81,  99.90,  -2.02,  -0.51,  (max)
05/16 19Z,   0.30,  -2.32,  99.90,  -2.53,  -0.51,
05/16 20Z,   0.30,  -3.38,  99.90,  -3.58,  -0.51,
05/16 21Z,   0.30,  -4.45,  99.90,  -4.66,  -0.51,
05/16 22Z,   0.30,  -5.43,  99.90,  -5.63,  -0.51,
05/16 23Z,   0.30,  -6.30,  99.90,  -6.51,  -0.51,
05/17 00Z,   0.30,  -7.05,  99.90,  -7.26,  -0.51,
05/17 01Z,   0.30,  -7.21,  99.90,  -7.42,  -0.51,  (min)
05/17 02Z,   0.30,  -6.06,  99.90,  -6.27,  -0.51,
05/17 03Z,   0.30,  -3.97,  99.90,  -4.18,  -0.51,
05/17 04Z,   0.30,  -2.16,  99.90,  -2.36,  -0.51,
05/17 05Z,   0.30,  -1.03,  99.90,  -1.24,  -0.51,
05/17 06Z,   0.30,  -0.47,  99.90,  -0.68,  -0.51,  (max)
05/17 07Z,   0.30,  -0.73,  99.90,  -0.94,  -0.51,
05/17 08Z,   0.30,  -1.72,  99.90,  -1.92,  -0.51,
05/17 09Z,   0.20,  -2.87,  99.90,  -3.17,  -0.51,
05/17 10Z,   0.20,  -3.96,  99.90,  -4.27,  -0.51,
05/17 11Z,   0.20,  -5.08,  99.90,  -5.39,  -0.51,
05/17 12Z,   0.10,  -6.29,  99.90,  -6.69,  -0.51,
05/17 13Z,   0.10,  -7.34,  99.90,  -7.74,  -0.51,
05/17 14Z,   0.00,  -7.38,  99.90,  -7.89,  -0.51,  (min)
05/17 15Z,   0.00,  -6.06,  99.90,  -6.57,  -0.51,
05/17 16Z,   0.00,  -4.33,  99.90,  -4.84,  -0.51,
05/17 17Z,   0.00,  -3.05,  99.90,  -3.55,  -0.51,
05/17 18Z,   0.00,  -2.18,  99.90,  -2.69,  -0.51,
05/17 19Z,  -0.10,  -1.91,  99.90,  -2.52,  -0.51,  (max)
05/17 20Z,  -0.10,  -2.51,  99.90,  -3.11,  -0.51,
05/17 21Z,  -0.10,  -3.54,  99.90,  -4.14,  -0.51,
05/17 22Z,  -0.10,  -4.55,  99.90,  -5.16,  -0.51,
05/17 23Z,  -0.10,  -5.49,  99.90,  -6.10,  -0.51,
05/18 00Z,  -0.10,  -6.37,  99.90,  -6.97,  -0.51,
05/18 01Z,  -0.10,  -7.11,  99.90,  -7.71,  -0.51,
05/18 02Z,  -0.10,  -7.13,  99.90,  -7.73,  -0.51,  (min)
05/18 03Z,  -0.10,  -5.77,  99.90,  -6.38,  -0.51,
05/18 04Z,  -0.10,  -3.64,  99.90,  -4.25,  -0.51,
05/18 05Z,  -0.10,  -1.94,  99.90,  -2.54,  -0.51,
05/18 06Z,  -0.10,  -0.91,  99.90,  -1.52,  -0.51,
05/18 07Z,  -0.10,  -0.46,  99.90,  -1.07,  -0.51,  (max)
05/18 08Z,  -0.10,  -0.85,  99.90,  -1.45,  -0.51,
05/18 09Z,  -0.10,  -1.85,  99.90,  -2.45,  -0.51,
05/18 10Z,  -0.10,  -2.93,  99.90,  -3.54,  -0.51,
05/18 11Z,  -0.10,  -3.98,  99.90,  -4.59,  -0.51,
05/18 12Z,  -0.10,  -5.12,  99.90,  -5.73,  -0.51,
05/18 13Z,  -0.10,  -6.39,  99.90,  -7.00,  -0.51,
05/18 14Z,  -0.10,  -7.43,  99.90,  -8.03,  -0.51,  (min)
05/18 15Z,  -0.10,  -7.32,  99.90,  -7.93,  -0.51,
05/18 16Z,  -0.10,  -5.90,  99.90,  -6.51,  -0.51,
05/18 17Z,  -0.10,  -4.24,  99.90,  -4.85,  -0.51,
05/18 18Z,  -0.10,  -3.03,  99.90,  -3.64,  -0.51,
05/18 19Z,  -0.10,  -2.20,  99.90,  -2.81,  -0.51,
05/18 20Z,  -0.10,  -2.02,  99.90,  -2.63,  -0.51,  (max)
05/18 21Z,  -0.10,  -2.66,  99.90,  -3.27,  -0.51,
05/18 22Z,  -0.10,  -3.64,  99.90,  -4.25,  -0.51,
05/18 23Z,  -0.10,  -4.60,  99.90,  -5.21,  -0.51,
05/19 00Z,  -0.10,  -5.53,  99.90,  -6.13,  -0.51,
05/19 01Z,   0.00,  -6.42,  99.90,  -6.93,  -0.51,
05/19 02Z,   0.00,  -7.15,  99.90,  -7.66,  -0.51,  (min)
05/19 03Z,   0.00,  -7.03,  99.90,  -7.54,  -0.51,
05/19 04Z,   0.00,  -5.52,  99.90,  -6.03,  -0.51,
05/19 05Z,   0.00,  -3.43,  99.90,  -3.93,  -0.51,
05/19 06Z,   0.00,  -1.87,  99.90,  -2.38,  -0.51,
05/19 07Z,   0.00,  -0.93,  99.90,  -1.44,  -0.51,
05/19 08Z,   0.00,  -0.58,  99.90,  -1.08,  -0.51,  (max)
05/19 09Z,   0.00,  -1.03,  99.90,  -1.53,  -0.51,
05/19 10Z,   0.00,  -2.00,  99.90,  -2.50,  -0.51,
05/19 11Z,   0.00,  -3.00,  99.90,  -3.51,  -0.51,
05/19 12Z,   0.00,  -4.03,  99.90,  -4.53,  -0.51,