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
#Sitka, AK : 07/20/2025 04:21:32 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/18 12Z,  -0.20,   3.57,   3.13,  99.90,  -0.24,
07/18 13Z,  -0.20,   4.99,   4.47,  99.90,  -0.32,
07/18 14Z,  -0.30,   6.09,   5.63,  99.90,  -0.16,
07/18 15Z,  -0.30,   6.62,   6.07,  99.90,  -0.25,  (max)
07/18 16Z,  -0.30,   6.45,   5.91,  99.90,  -0.24,
07/18 17Z,  -0.30,   5.66,   5.18,  99.90,  -0.18,
07/18 18Z,  -0.10,   4.51,   3.99,  99.90,  -0.42,
07/18 19Z,  -0.20,   3.34,   2.91,  99.90,  -0.23,
07/18 20Z,  -0.20,   2.51,   2.06,  99.90,  -0.25,
07/18 21Z,  -0.20,   2.31,   1.99,  99.90,  -0.12,  (min)
07/18 22Z,  -0.20,   2.85,   2.48,  99.90,  -0.17,
07/18 23Z,  -0.20,   4.09,   3.68,  99.90,  -0.21,
07/19 00Z,  -0.10,   5.76,   5.33,  99.90,  -0.33,
07/19 01Z,  -0.10,   7.52,   7.02,  99.90,  -0.40,
07/19 02Z,  -0.20,   8.95,   8.36,  99.90,  -0.39,
07/19 03Z,  -0.20,   9.73,   9.21,  99.90,  -0.32,  (max)
07/19 04Z,  -0.20,   9.64,   9.07,  99.90,  -0.37,
07/19 05Z,  -0.10,   8.69,   8.15,  99.90,  -0.44,
07/19 06Z,  -0.10,   7.03,   6.43,  99.90,  -0.50,
07/19 07Z,  -0.20,   5.02,   4.57,  99.90,  -0.25,
07/19 08Z,  -0.20,   3.05,   2.60,  99.90,  -0.25,
07/19 09Z,  -0.30,   1.51,   1.08,  99.90,  -0.13,
07/19 10Z,  -0.20,   0.68,   0.34,  99.90,  -0.14,  (min)
07/19 11Z,  -0.20,   0.68,   0.41,  99.90,  -0.07,
07/19 12Z,  -0.20,   1.42,   1.18,  99.90,  -0.04,
07/19 13Z,  -0.20,   2.68,   2.36,  99.90,  -0.12,
07/19 14Z,  -0.30,   4.11,   3.72,  99.90,  -0.09,
07/19 15Z,  -0.30,   5.35,   4.89,  99.90,  -0.16,
07/19 16Z,  -0.30,   6.13,   5.64,  99.90,  -0.19,
07/19 17Z,  -0.20,   6.30,   5.83,  99.90,  -0.27,  (max)
07/19 18Z,  -0.10,   5.88,   5.44,  99.90,  -0.34,
07/19 19Z,  -0.20,   5.07,   4.65,  99.90,  -0.22,
07/19 20Z,  -0.20,   4.16,   3.84,  99.90,  -0.12,
07/19 21Z,  -0.20,   3.48,   3.22,  99.90,  -0.06,
07/19 22Z,  -0.20,   3.29,   3.02,  99.90,  -0.07,  (min)
07/19 23Z,  -0.10,   3.74,   3.44,  99.90,  -0.20,
07/20 00Z,  -0.20,   4.80,   4.47,  99.90,  -0.13,
07/20 01Z,  -0.10,   6.28,   5.89,  99.90,  -0.29,
07/20 02Z,  -0.10,   7.86,   7.37,  99.90,  -0.39,
07/20 03Z,  -0.10,   9.18,   8.60,  99.90,  -0.48,
07/20 04Z,  -0.20,   9.89,   9.34,  99.90,  -0.35,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/20 05Z,  -0.20,   9.78,  99.90,   9.26,  -0.32,
07/20 06Z,  -0.20,   8.82,  99.90,   8.32,  -0.29,
07/20 07Z,  -0.20,   7.14,  99.90,   6.67,  -0.27,
07/20 08Z,  -0.30,   5.04,  99.90,   4.50,  -0.24,
07/20 09Z,  -0.30,   2.93,  99.90,   2.41,  -0.21,
07/20 10Z,  -0.30,   1.19,  99.90,   0.70,  -0.18,
07/20 11Z,  -0.30,   0.14,  99.90,  -0.31,  -0.16,
07/20 12Z,  -0.30,  -0.05,  99.90,  -0.48,  -0.13,  (min)
07/20 13Z,  -0.30,   0.58,  99.90,   0.18,  -0.10,
07/20 14Z,  -0.30,   1.84,  99.90,   1.46,  -0.07,
07/20 15Z,  -0.30,   3.39,  99.90,   3.05,  -0.05,
07/20 16Z,  -0.30,   4.88,  99.90,   4.56,  -0.02,
07/20 17Z,  -0.30,   5.98,  99.90,   5.67,  -0.02,
07/20 18Z,  -0.40,   6.50,  99.90,   6.08,  -0.02,  (max)
07/20 19Z,  -0.40,   6.39,  99.90,   5.97,  -0.02,
07/20 20Z,  -0.40,   5.79,  99.90,   5.37,  -0.02,
07/20 21Z,  -0.40,   4.97,  99.90,   4.55,  -0.02,
07/20 22Z,  -0.40,   4.25,  99.90,   3.83,  -0.02,
07/20 23Z,  -0.40,   3.93,  99.90,   3.51,  -0.02,  (min)
07/21 00Z,  -0.40,   4.20,  99.90,   3.78,  -0.02,
07/21 01Z,  -0.40,   5.09,  99.90,   4.67,  -0.02,
07/21 02Z,  -0.40,   6.44,  99.90,   6.02,  -0.02,
07/21 03Z,  -0.40,   7.97,  99.90,   7.55,  -0.02,
07/21 04Z,  -0.40,   9.29,  99.90,   8.87,  -0.02,
07/21 05Z,  -0.50,  10.06,  99.90,   9.54,  -0.02,  (max)
07/21 06Z,  -0.50,  10.01,  99.90,   9.49,  -0.02,
07/21 07Z,  -0.40,   9.06,  99.90,   8.64,  -0.02,
07/21 08Z,  -0.40,   7.33,  99.90,   6.91,  -0.02,
07/21 09Z,  -0.40,   5.09,  99.90,   4.67,  -0.02,
07/21 10Z,  -0.30,   2.76,  99.90,   2.44,  -0.02,
07/21 11Z,  -0.30,   0.79,  99.90,   0.47,  -0.02,
07/21 12Z,  -0.30,  -0.47,  99.90,  -0.79,  -0.02,
07/21 13Z,  -0.30,  -0.80,  99.90,  -1.12,  -0.02,  (min)
07/21 14Z,  -0.40,  -0.18,  99.90,  -0.60,  -0.02,
07/21 15Z,  -0.40,   1.19,  99.90,   0.77,  -0.02,
07/21 16Z,  -0.40,   2.98,  99.90,   2.56,  -0.02,
07/21 17Z,  -0.40,   4.78,  99.90,   4.36,  -0.02,
07/21 18Z,  -0.40,   6.20,  99.90,   5.78,  -0.02,
07/21 19Z,  -0.40,   6.98,  99.90,   6.56,  -0.02,
07/21 20Z,  -0.40,   7.03,  99.90,   6.61,  -0.02,  (max)
07/21 21Z,  -0.40,   6.46,  99.90,   6.04,  -0.02,
07/21 22Z,  -0.30,   5.55,  99.90,   5.24,  -0.02,
07/21 23Z,  -0.30,   4.67,  99.90,   4.35,  -0.02,
07/22 00Z,  -0.20,   4.15,  99.90,   3.93,  -0.02,  (min)
07/22 01Z,  -0.20,   4.24,  99.90,   4.02,  -0.02,
07/22 02Z,  -0.20,   5.02,  99.90,   4.80,  -0.02,
07/22 03Z,  -0.20,   6.36,  99.90,   6.14,  -0.02,
07/22 04Z,  -0.30,   7.96,  99.90,   7.64,  -0.02,
07/22 05Z,  -0.30,   9.40,  99.90,   9.08,  -0.02,
07/22 06Z,  -0.30,  10.29,  99.90,   9.97,  -0.02,
07/22 07Z,  -0.30,  10.31,  99.90,   9.99,  -0.02,  (max)
07/22 08Z,  -0.30,   9.34,  99.90,   9.02,  -0.02,
07/22 09Z,  -0.30,   7.48,  99.90,   7.16,  -0.02,
07/22 10Z,  -0.30,   5.04,  99.90,   4.72,  -0.02,
07/22 11Z,  -0.30,   2.48,  99.90,   2.16,  -0.02,
07/22 12Z,  -0.20,   0.28,  99.90,   0.06,  -0.02,
07/22 13Z,  -0.20,  -1.12,  99.90,  -1.34,  -0.02,
07/22 14Z,  -0.20,  -1.47,  99.90,  -1.69,  -0.02,  (min)
07/22 15Z,  -0.20,  -0.73,  99.90,  -0.95,  -0.02,
07/22 16Z,  -0.20,   0.87,  99.90,   0.65,  -0.02,
07/22 17Z,  -0.20,   2.96,  99.90,   2.74,  -0.02,
07/22 18Z,  -0.20,   5.06,  99.90,   4.84,  -0.02,
07/22 19Z,  -0.20,   6.71,  99.90,   6.49,  -0.02,
07/22 20Z,  -0.20,   7.60,  99.90,   7.38,  -0.02,
07/22 21Z,  -0.20,   7.63,  99.90,   7.41,  -0.02,  (max)
07/22 22Z,  -0.10,   6.93,  99.90,   6.81,  -0.02,
07/22 23Z,  -0.10,   5.80,  99.90,   5.68,  -0.02,
07/23 00Z,  -0.10,   4.68,  99.90,   4.56,  -0.02,
07/23 01Z,  -0.10,   3.96,  99.90,   3.84,  -0.02,
07/23 02Z,  -0.10,   3.96,  99.90,   3.84,  -0.02,  (min)
07/23 03Z,  -0.10,   4.75,  99.90,   4.63,  -0.02,
07/23 04Z,  -0.10,   6.20,  99.90,   6.08,  -0.02,
07/23 05Z,  -0.10,   7.96,  99.90,   7.84,  -0.02,
07/23 06Z,  -0.10,   9.57,  99.90,   9.45,  -0.02,
07/23 07Z,  -0.10,  10.56,  99.90,  10.45,  -0.02,
07/23 08Z,  -0.10,  10.59,  99.90,  10.47,  -0.02,  (max)
07/23 09Z,  -0.10,   9.52,  99.90,   9.40,  -0.02,
07/23 10Z,  -0.10,   7.47,  99.90,   7.35,  -0.02,
07/23 11Z,   0.00,   4.79,  99.90,   4.77,  -0.02,
07/23 12Z,   0.00,   2.01,  99.90,   1.99,  -0.02,
07/23 13Z,   0.00,  -0.32,  99.90,  -0.34,  -0.02,
07/23 14Z,   0.00,  -1.73,  99.90,  -1.74,  -0.02,
07/23 15Z,   0.00,  -1.94,  99.90,  -1.96,  -0.02,  (min)
07/23 16Z,   0.00,  -0.96,  99.90,  -0.97,  -0.02,
07/23 17Z,   0.00,   0.96,  99.90,   0.94,  -0.02,
07/23 18Z,   0.00,   3.35,  99.90,   3.33,  -0.02,
07/23 19Z,  99.90,   5.66,  99.90,  99.90,  -0.02,
07/23 20Z,  99.90,   7.39,  99.90,  99.90,  -0.02,
07/23 21Z,  99.90,   8.22,  99.90,  99.90,  -0.02,
07/23 22Z,  99.90,   8.06,  99.90,  99.90,  -0.02,
07/23 23Z,  99.90,   7.08,  99.90,  99.90,  -0.02,
07/24 00Z,  99.90,   5.68,  99.90,  99.90,  -0.02,