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

  • This website is considered EXPERIMENTAL, is supported on an 8x5 basis, and has no guarantee of availability.
  • The data located HERE are considered OPERATIONAL and are supported on a 24x7 basis.
About
Manual
Disclaimer
Manual
Datum
hat-on
mhhw-on
msl-on
mllw-on
Regions
Northeast
Mid-Atlantic
Southeast
Gulf
Northwest
Alaska
Gulf of Alaska
Status
Stations
Surge List
#Valdez, AK : 04/12/2026 19:21:15 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/11 00Z,   0.70,   3.12,   1.64,  99.90,  -2.18,
04/11 01Z,   0.60,   3.97,   2.50,  99.90,  -2.07,
04/11 02Z,   0.50,   4.96,   3.44,  99.90,  -2.02,
04/11 03Z,   0.40,   6.00,   4.46,  99.90,  -1.94,
04/11 04Z,   0.40,   6.99,   5.56,  99.90,  -1.83,
04/11 05Z,   0.50,   7.69,   6.34,  99.90,  -1.85,
04/11 06Z,   0.70,   7.90,   6.57,  99.90,  -2.03,  (max)
04/11 07Z,   0.60,   7.60,   6.37,  99.90,  -1.83,
04/11 08Z,   0.60,   6.97,   5.67,  99.90,  -1.90,
04/11 09Z,   0.60,   6.35,   4.95,  99.90,  -2.00,
04/11 10Z,   0.60,   5.98,   4.52,  99.90,  -2.06,  (min)
04/11 11Z,   0.60,   6.00,   4.54,  99.90,  -2.06,
04/11 12Z,   0.60,   6.36,   4.92,  99.90,  -2.04,
04/11 13Z,   0.60,   6.95,   5.54,  99.90,  -2.01,
04/11 14Z,   0.50,   7.62,   6.25,  99.90,  -1.87,
04/11 15Z,   0.50,   8.25,   6.79,  99.90,  -1.96,
04/11 16Z,   0.60,   8.74,   7.27,  99.90,  -2.07,
04/11 17Z,   0.60,   8.89,   7.52,  99.90,  -1.97,  (max)
04/11 18Z,   0.70,   8.51,   7.28,  99.90,  -1.93,
04/11 19Z,   0.70,   7.52,   6.23,  99.90,  -1.99,
04/11 20Z,   0.70,   6.09,   4.76,  99.90,  -2.03,
04/11 21Z,   0.80,   4.57,   3.13,  99.90,  -2.24,
04/11 22Z,   0.80,   3.28,   1.92,  99.90,  -2.16,
04/11 23Z,   0.80,   2.47,   1.14,  99.90,  -2.13,
04/12 00Z,   0.70,   2.25,   0.97,  99.90,  -1.98,  (min)
04/12 01Z,   0.60,   2.65,   1.43,  99.90,  -1.82,
04/12 02Z,   0.60,   3.56,   2.28,  99.90,  -1.88,
04/12 03Z,   0.70,   4.84,   3.66,  99.90,  -1.88,
04/12 04Z,   0.80,   6.28,   5.16,  99.90,  -1.92,
04/12 05Z,   0.80,   7.59,   6.49,  99.90,  -1.90,
04/12 06Z,   0.70,   8.45,   7.47,  99.90,  -1.68,
04/12 07Z,   0.70,   8.61,   7.65,  99.90,  -1.66,  (max)
04/12 08Z,   0.80,   8.11,   7.15,  99.90,  -1.76,
04/12 09Z,   0.90,   7.22,   6.30,  99.90,  -1.82,
04/12 10Z,   1.00,   6.25,   5.35,  99.90,  -1.90,
04/12 11Z,   1.00,   5.48,   4.68,  99.90,  -1.80,
04/12 12Z,   0.80,   5.12,   4.31,  99.90,  -1.61,  (min)
04/12 13Z,   0.90,   5.26,   4.34,  99.90,  -1.82,
04/12 14Z,   1.00,   5.88,   4.90,  99.90,  -1.98,
04/12 15Z,   1.00,   6.84,   5.88,  99.90,  -1.96,
04/12 16Z,   1.00,   7.93,   6.96,  99.90,  -1.97,
04/12 17Z,   1.00,   8.84,   7.96,  99.90,  -1.88,
04/12 18Z,   0.90,   9.27,   8.49,  99.90,  -1.68,  (max)
04/12 19Z,   0.90,   8.96,   8.26,  99.90,  -1.60,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/12 20Z,   0.80,   7.90,  99.90,   7.06,  -1.64,
04/12 21Z,   0.80,   6.32,  99.90,   5.45,  -1.67,
04/12 22Z,   0.80,   4.57,  99.90,   3.67,  -1.71,
04/12 23Z,   0.90,   3.02,  99.90,   2.18,  -1.74,
04/13 00Z,   1.00,   1.97,  99.90,   1.20,  -1.78,
04/13 01Z,   1.10,   1.67,  99.90,   0.96,  -1.81,  (min)
04/13 02Z,   1.10,   2.23,  99.90,   1.48,  -1.85,
04/13 03Z,   1.20,   3.54,  99.90,   2.86,  -1.89,
04/13 04Z,   1.20,   5.33,  99.90,   4.61,  -1.92,
04/13 05Z,   1.20,   7.20,  99.90,   6.44,  -1.96,
04/13 06Z,   1.20,   8.71,  99.90,   7.92,  -1.99,
04/13 07Z,   1.20,   9.49,  99.90,   8.66,  -2.03,  (max)
04/13 08Z,   1.10,   9.36,  99.90,   8.44,  -2.03,
04/13 09Z,   1.00,   8.45,  99.90,   7.42,  -2.03,
04/13 10Z,   1.00,   7.06,  99.90,   6.03,  -2.03,
04/13 11Z,   1.00,   5.56,  99.90,   4.53,  -2.03,
04/13 12Z,   1.00,   4.33,  99.90,   3.31,  -2.03,
04/13 13Z,   1.00,   3.71,  99.90,   2.69,  -2.03,  (min)
04/13 14Z,   1.00,   3.91,  99.90,   2.88,  -2.03,
04/13 15Z,   1.00,   4.90,  99.90,   3.87,  -2.03,
04/13 16Z,   1.10,   6.42,  99.90,   5.50,  -2.03,
04/13 17Z,   1.10,   8.05,  99.90,   7.12,  -2.03,
04/13 18Z,   1.20,   9.33,  99.90,   8.50,  -2.03,
04/13 19Z,   1.20,   9.87,  99.90,   9.05,  -2.03,  (max)
04/13 20Z,   1.30,   9.48,  99.90,   8.76,  -2.03,
04/13 21Z,   1.30,   8.21,  99.90,   7.48,  -2.03,
04/13 22Z,   1.30,   6.33,  99.90,   5.61,  -2.03,
04/13 23Z,   1.30,   4.26,  99.90,   3.53,  -2.03,
04/14 00Z,   1.20,   2.43,  99.90,   1.60,  -2.03,
04/14 01Z,   1.20,   1.28,  99.90,   0.46,  -2.03,
04/14 02Z,   1.20,   1.18,  99.90,   0.36,  -2.03,  (min)
04/14 03Z,   1.10,   2.22,  99.90,   1.29,  -2.03,
04/14 04Z,   1.00,   4.15,  99.90,   3.13,  -2.03,
04/14 05Z,   0.90,   6.48,  99.90,   5.36,  -2.03,
04/14 06Z,   1.00,   8.64,  99.90,   7.61,  -2.03,
04/14 07Z,   1.00,  10.11,  99.90,   9.09,  -2.03,
04/14 08Z,   1.00,  10.57,  99.90,   9.54,  -2.03,  (max)
04/14 09Z,   1.00,   9.93,  99.90,   8.90,  -2.03,
04/14 10Z,   1.00,   8.39,  99.90,   7.37,  -2.03,
04/14 11Z,   1.00,   6.34,  99.90,   5.31,  -2.03,
04/14 12Z,   1.00,   4.26,  99.90,   3.23,  -2.03,
04/14 13Z,   1.00,   2.67,  99.90,   1.64,  -2.03,
04/14 14Z,   0.90,   2.06,  99.90,   0.93,  -2.03,  (min)
04/14 15Z,   0.80,   2.64,  99.90,   1.42,  -2.03,
04/14 16Z,   0.80,   4.27,  99.90,   3.04,  -2.03,
04/14 17Z,   0.70,   6.44,  99.90,   5.11,  -2.03,
04/14 18Z,   0.80,   8.54,  99.90,   7.32,  -2.03,
04/14 19Z,   0.80,  10.03,  99.90,   8.80,  -2.03,
04/14 20Z,   0.90,  10.53,  99.90,   9.41,  -2.03,  (max)
04/14 21Z,   0.90,   9.92,  99.90,   8.80,  -2.03,
04/14 22Z,   0.80,   8.32,  99.90,   7.09,  -2.03,
04/14 23Z,   0.80,   6.07,  99.90,   4.84,  -2.03,
04/15 00Z,   0.80,   3.66,  99.90,   2.43,  -2.03,
04/15 01Z,   0.80,   1.67,  99.90,   0.45,  -2.03,
04/15 02Z,   0.80,   0.70,  99.90,  -0.53,  -2.03,  (min)
04/15 03Z,   0.80,   1.10,  99.90,  -0.13,  -2.03,
04/15 04Z,   0.70,   2.83,  99.90,   1.51,  -2.03,
04/15 05Z,   0.80,   5.42,  99.90,   4.19,  -2.03,
04/15 06Z,   0.90,   8.15,  99.90,   7.02,  -2.03,
04/15 07Z,   1.00,  10.34,  99.90,   9.32,  -2.03,
04/15 08Z,   1.00,  11.52,  99.90,  10.50,  -2.03,
04/15 09Z,   1.10,  11.43,  99.90,  10.51,  -2.03,  (max)
04/15 10Z,   1.10,  10.10,  99.90,   9.17,  -2.03,
04/15 11Z,   1.00,   7.80,  99.90,   6.77,  -2.03,
04/15 12Z,   0.90,   5.04,  99.90,   3.92,  -2.03,
04/15 13Z,   0.90,   2.47,  99.90,   1.35,  -2.03,
04/15 14Z,   0.80,   0.78,  99.90,  -0.44,  -2.03,
04/15 15Z,   0.70,   0.50,  99.90,  -0.83,  -2.03,  (min)
04/15 16Z,   0.70,   1.74,  99.90,   0.41,  -2.03,
04/15 17Z,   0.80,   4.09,  99.90,   2.87,  -2.03,
04/15 18Z,   0.90,   6.84,  99.90,   5.72,  -2.03,
04/15 19Z,   0.90,   9.25,  99.90,   8.12,  -2.03,
04/15 20Z,   1.00,  10.77,  99.90,   9.74,  -2.03,
04/15 21Z,   1.00,  11.09,  99.90,  10.06,  -2.03,  (max)
04/15 22Z,   1.00,  10.16,  99.90,   9.13,  -2.03,
04/15 23Z,   1.00,   8.16,  99.90,   7.14,  -2.03,
04/16 00Z,   0.90,   5.54,  99.90,   4.41,  -2.03,
04/16 01Z,   0.90,   2.91,  99.90,   1.79,  -2.03,
04/16 02Z,   0.90,   1.02,  99.90,  -0.11,  -2.03,
04/16 03Z,   0.90,   0.49,  99.90,  -0.64,  -2.03,  (min)
04/16 04Z,   0.90,   1.61,  99.90,   0.48,  -2.03,
04/16 05Z,   0.90,   4.07,  99.90,   2.95,  -2.03,
04/16 06Z,   0.80,   7.17,  99.90,   5.94,  -2.03,
04/16 07Z,   0.90,  10.04,  99.90,   8.91,  -2.03,
04/16 08Z,   0.90,  12.01,  99.90,  10.88,  -2.03,
04/16 09Z,   1.00,  12.67,  99.90,  11.64,  -2.03,  (max)
04/16 10Z,   1.00,  11.88,  99.90,  10.85,  -2.03,
04/16 11Z,   0.90,   9.75,  99.90,   8.62,  -2.03,
04/16 12Z,   0.80,   6.68,  99.90,   5.45,  -2.03,