EXTRA-TROPICAL  STORM  SURGE
N A T I O N A L    O C E A N I C    A N D    A T M O S P H E R I C    A D M I N I S T R A T I O N

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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
#Anchorage, AK : 04/13/2026 13:20:23 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/11 18Z,  -0.50,  -5.82,  -6.56,  99.90,  -0.24,  (min)
04/11 19Z,  -0.50,  -2.85,  -4.56,  99.90,  -1.21,
04/11 20Z,  -0.50,   0.89,  -1.37,  99.90,  -1.76,
04/11 21Z,  -0.40,   3.31,   1.81,  99.90,  -1.10,
04/11 22Z,  -0.40,   4.96,   4.11,  99.90,  -0.45,
04/11 23Z,  -0.40,   6.09,   5.06,  99.90,  -0.63,  (max)
04/12 00Z,  -0.40,   5.56,   4.30,  99.90,  -0.86,
04/12 01Z,  -0.40,   3.12,   1.85,  99.90,  -0.87,
04/12 02Z,  -0.40,  -0.53,  -1.65,  99.90,  -0.72,
04/12 03Z,  -0.30,  -4.24,  -5.12,  99.90,  -0.58,
04/12 04Z,  -0.30,  -7.19,  -8.31,  99.90,  -0.82,
04/12 05Z,  -0.30,  -9.66, -10.96,  99.90,  -1.00,
04/12 06Z,  -0.30, -11.14, -12.28,  99.90,  -0.84,  (min)
04/12 07Z,  -0.20,  -9.65, -10.31,  99.90,  -0.46,
04/12 08Z,  -0.20,  -5.57,  -5.89,  99.90,  -0.12,
04/12 09Z,  -0.20,  -1.39,  -1.28,  99.90,   0.31,
04/12 10Z,  -0.20,   2.32,   2.67,  99.90,   0.55,
04/12 11Z,  -0.20,   6.00,   5.92,  99.90,   0.12,
04/12 12Z,  -0.20,   8.38,   7.96,  99.90,  -0.22,
04/12 13Z,  -0.20,   8.26,   8.26,  99.90,   0.20,  (max)
04/12 14Z,  -0.10,   5.87,   6.38,  99.90,   0.61,
04/12 15Z,  -0.10,   2.22,   2.94,  99.90,   0.82,
04/12 16Z,  -0.10,  -1.40,  -0.93,  99.90,   0.57,
04/12 17Z,  -0.10,  -4.61,  -4.40,  99.90,   0.31,
04/12 18Z,  -0.10,  -7.34,  -7.13,  99.90,   0.31,
04/12 19Z,  -0.10,  -7.77,  -8.37,  99.90,  -0.50,  (min)
04/12 20Z,  -0.10,  -4.86,  -6.42,  99.90,  -1.46,
04/12 21Z,  -0.10,  -0.86,  -2.37,  99.90,  -1.41,
04/12 22Z,  -0.10,   2.37,   1.66,  99.90,  -0.61,
04/12 23Z,  -0.20,   5.22,   4.74,  99.90,  -0.28,
04/13 00Z,  -0.10,   7.23,   6.54,  99.90,  -0.59,  (max)
04/13 01Z,  -0.10,   7.09,   6.35,  99.90,  -0.64,
04/13 02Z,  -0.10,   4.71,   4.04,  99.90,  -0.57,
04/13 03Z,  -0.10,   0.89,   0.20,  99.90,  -0.59,
04/13 04Z,  -0.10,  -3.20,  -3.83,  99.90,  -0.53,
04/13 05Z,  -0.10,  -6.85,  -7.65,  99.90,  -0.70,
04/13 06Z,  -0.10, -10.22, -10.96,  99.90,  -0.64,
04/13 07Z,  -0.10, -12.14, -13.16,  99.90,  -0.92,  (min)
04/13 08Z,  -0.10, -10.41, -11.65,  99.90,  -1.14,
04/13 09Z,  -0.10,  -5.84,  -6.30,  99.90,  -0.36,
04/13 10Z,  -0.10,  -1.02,  -0.89,  99.90,   0.23,
04/13 11Z,  -0.10,   3.52,   3.83,  99.90,   0.41,
04/13 12Z,  -0.20,   7.70,   7.52,  99.90,   0.02,
04/13 13Z,  -0.20,   9.97,   9.68,  99.90,  -0.09,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/13 14Z,  -0.10,   9.43,  99.90,   9.22,  -0.11,
04/13 15Z,  -0.10,   6.55,  99.90,   6.31,  -0.14,
04/13 16Z,   0.00,   2.39,  99.90,   2.22,  -0.16,
04/13 17Z,   0.00,  -1.90,  99.90,  -2.09,  -0.19,
04/13 18Z,   0.00,  -6.07,  99.90,  -6.28,  -0.21,
04/13 19Z,   0.00,  -9.54,  99.90,  -9.78,  -0.23,
04/13 20Z,   0.00,  -9.93,  99.90, -10.18,  -0.26,  (min)
04/13 21Z,   0.00,  -6.41,  99.90,  -6.69,  -0.28,
04/13 22Z,   0.00,  -1.58,  99.90,  -1.89,  -0.31,
04/13 23Z,   0.00,   2.77,  99.90,   2.44,  -0.33,
04/14 00Z,  -0.10,   6.66,  99.90,   6.21,  -0.36,
04/14 01Z,  -0.10,   9.09,  99.90,   8.61,  -0.38,  (max)
04/14 02Z,  -0.10,   8.79,  99.90,   8.31,  -0.38,
04/14 03Z,   0.00,   5.99,  99.90,   5.61,  -0.38,
04/14 04Z,   0.00,   1.66,  99.90,   1.28,  -0.38,
04/14 05Z,   0.00,  -2.99,  99.90,  -3.37,  -0.38,
04/14 06Z,   0.10,  -7.33,  99.90,  -7.61,  -0.38,
04/14 07Z,   0.10, -11.30,  99.90, -11.58,  -0.38,
04/14 08Z,   0.20, -13.04,  99.90, -13.22,  -0.38,  (min)
04/14 09Z,   0.10, -10.41,  99.90, -10.69,  -0.38,
04/14 10Z,   0.10,  -4.86,  99.90,  -5.14,  -0.38,
04/14 11Z,   0.00,   0.80,  99.90,   0.42,  -0.38,
04/14 12Z,   0.00,   5.95,  99.90,   5.57,  -0.38,
04/14 13Z,   0.00,  10.05,  99.90,   9.67,  -0.38,
04/14 14Z,   0.00,  11.56,  99.90,  11.18,  -0.38,  (max)
04/14 15Z,   0.00,  10.08,  99.90,   9.70,  -0.38,
04/14 16Z,   0.00,   6.37,  99.90,   5.99,  -0.38,
04/14 17Z,   0.00,   1.52,  99.90,   1.14,  -0.38,
04/14 18Z,   0.00,  -3.46,  99.90,  -3.84,  -0.38,
04/14 19Z,   0.00,  -8.36,  99.90,  -8.74,  -0.38,
04/14 20Z,   0.00, -12.04,  99.90, -12.42,  -0.38,  (min)
04/14 21Z,   0.00, -11.69,  99.90, -12.07,  -0.38,
04/14 22Z,   0.00,  -7.01,  99.90,  -7.39,  -0.38,
04/14 23Z,  -0.10,  -1.03,  99.90,  -1.51,  -0.38,
04/15 00Z,  -0.10,   4.38,  99.90,   3.90,  -0.38,
04/15 01Z,  -0.10,   8.84,  99.90,   8.36,  -0.38,
04/15 02Z,  -0.10,  11.04,  99.90,  10.56,  -0.38,  (max)
04/15 03Z,  -0.10,  10.06,  99.90,   9.58,  -0.38,
04/15 04Z,  -0.10,   6.53,  99.90,   6.05,  -0.38,
04/15 05Z,  -0.10,   1.60,  99.90,   1.12,  -0.38,
04/15 06Z,  -0.10,  -3.53,  99.90,  -4.01,  -0.38,
04/15 07Z,  -0.10,  -8.35,  99.90,  -8.82,  -0.38,
04/15 08Z,  -0.10, -12.40,  99.90, -12.88,  -0.38,
04/15 09Z,  -0.10, -13.30,  99.90, -13.78,  -0.38,  (min)
04/15 10Z,  -0.20,  -9.24,  99.90,  -9.82,  -0.38,
04/15 11Z,  -0.20,  -2.50,  99.90,  -3.08,  -0.38,
04/15 12Z,  -0.20,   3.87,  99.90,   3.29,  -0.38,
04/15 13Z,  -0.20,   9.09,  99.90,   8.51,  -0.38,
04/15 14Z,  -0.10,  12.38,  99.90,  11.90,  -0.38,
04/15 15Z,  -0.10,  12.55,  99.90,  12.07,  -0.38,  (max)
04/15 16Z,   0.00,   9.80,  99.90,   9.42,  -0.38,
04/15 17Z,   0.00,   5.15,  99.90,   4.77,  -0.38,
04/15 18Z,   0.00,  -0.32,  99.90,  -0.70,  -0.38,
04/15 19Z,   0.00,  -5.81,  99.90,  -6.19,  -0.38,
04/15 20Z,   0.00, -11.07,  99.90, -11.45,  -0.38,
04/15 21Z,   0.00, -14.34,  99.90, -14.72,  -0.38,  (min)
04/15 22Z,  -0.10, -12.65,  99.90, -13.13,  -0.38,
04/15 23Z,  -0.10,  -6.47,  99.90,  -6.95,  -0.38,
04/16 00Z,  -0.10,   0.64,  99.90,   0.16,  -0.38,
04/16 01Z,  -0.10,   6.74,  99.90,   6.26,  -0.38,
04/16 02Z,  -0.10,  11.14,  99.90,  10.66,  -0.38,
04/16 03Z,  -0.10,  12.54,  99.90,  12.06,  -0.38,  (max)
04/16 04Z,   0.00,  10.58,  99.90,  10.20,  -0.38,
04/16 05Z,   0.00,   6.28,  99.90,   5.90,  -0.38,
04/16 06Z,   0.00,   0.86,  99.90,   0.48,  -0.38,
04/16 07Z,   0.00,  -4.55,  99.90,  -4.93,  -0.38,
04/16 08Z,   0.00,  -9.50,  99.90,  -9.88,  -0.38,
04/16 09Z,  -0.10, -13.12,  99.90, -13.60,  -0.38,  (min)
04/16 10Z,  -0.10, -12.61,  99.90, -13.09,  -0.38,
04/16 11Z,  -0.10,  -6.84,  99.90,  -7.32,  -0.38,
04/16 12Z,  -0.10,   0.98,  99.90,   0.50,  -0.38,
04/16 13Z,  -0.10,   7.60,  99.90,   7.12,  -0.38,
04/16 14Z,  -0.10,  12.22,  99.90,  11.74,  -0.38,
04/16 15Z,  -0.10,  14.08,  99.90,  13.60,  -0.38,  (max)
04/16 16Z,  -0.10,  12.59,  99.90,  12.11,  -0.38,
04/16 17Z,  -0.10,   8.55,  99.90,   8.07,  -0.38,
04/16 18Z,  -0.20,   3.10,  99.90,   2.52,  -0.38,
04/16 19Z,  -0.20,  -2.81,  99.90,  -3.39,  -0.38,
04/16 20Z,  -0.30,  -8.59,  99.90,  -9.27,  -0.38,
04/16 21Z,  -0.30, -13.80,  99.90, -14.48,  -0.38,
04/16 22Z,  -0.40, -16.08,  99.90, -16.86,  -0.38,  (min)
04/16 23Z,  -0.40, -12.62,  99.90, -13.40,  -0.38,
04/17 00Z,  -0.50,  -4.91,  99.90,  -5.79,  -0.38,
04/17 01Z,  -0.50,   3.03,  99.90,   2.15,  -0.38,
04/17 02Z,  -0.50,   9.26,  99.90,   8.38,  -0.38,
04/17 03Z,  -0.50,  13.01,  99.90,  12.13,  -0.38,
04/17 04Z,  -0.40,  13.27,  99.90,  12.49,  -0.38,  (max)
04/17 05Z,  -0.40,  10.33,  99.90,   9.55,  -0.38,
04/17 06Z,  -0.40,   5.42,  99.90,   4.64,  -0.38,