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
Ketchikan, AK
Sitka, AK
Juneau, AK
Skagway, AK
Elfin Cove, AK
Yakutat, AK
Cordova, AK
Valdez, AK
Seward, AK
Seldovia, AK
Nikiski, AK
Anchorage, AK
Kodiak Island, AK
Alitak, AK
Sand Point, AK
King Cove, AK
Adak Island, AK
Atka, AK
Unalaska, AK
Surge List
Gulf of Alaska
#Nikiski, AK : 05/23/2025 16:24:04 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/22 00Z,  -0.30, -12.28, -12.37,  99.90,   0.21,
05/22 01Z,  -0.30, -14.91, -15.02,  99.90,   0.19,
05/22 02Z,  -0.40, -16.90, -17.16,  99.90,   0.14,
05/22 03Z,  -0.40, -17.63, -17.80,  99.90,   0.23,  (min)
05/22 04Z,  -0.40, -16.19, -16.18,  99.90,   0.41,
05/22 05Z,  -0.40, -12.91, -13.02,  99.90,   0.29,
05/22 06Z,  -0.40,  -9.19,  -9.62,  99.90,  -0.03,
05/22 07Z,  -0.40,  -5.86,  -6.28,  99.90,  -0.02,
05/22 08Z,  -0.40,  -3.20,  -3.63,  99.90,  -0.03,
05/22 09Z,  -0.40,  -1.81,  -2.25,  99.90,  -0.04,  (max)
05/22 10Z,  -0.40,  -2.32,  -2.58,  99.90,   0.14,
05/22 11Z,  -0.40,  -4.64,  -4.72,  99.90,   0.32,
05/22 12Z,  -0.40,  -7.93,  -7.97,  99.90,   0.36,
05/22 13Z,  -0.40, -11.29, -11.24,  99.90,   0.45,
05/22 14Z,  -0.40, -14.28, -14.32,  99.90,   0.36,
05/22 15Z,  -0.50, -16.48, -16.55,  99.90,   0.43,
05/22 16Z,  -0.50, -16.82, -17.12,  99.90,   0.20,  (min)
05/22 17Z,  -0.50, -14.85, -15.24,  99.90,   0.11,
05/22 18Z,  -0.50, -11.66, -12.10,  99.90,   0.06,
05/22 19Z,  -0.50,  -8.47,  -9.05,  99.90,  -0.08,
05/22 20Z,  -0.60,  -5.73,  -6.43,  99.90,  -0.10,
05/22 21Z,  -0.60,  -3.90,  -4.76,  99.90,  -0.26,
05/22 22Z,  -0.60,  -3.70,  -4.45,  99.90,  -0.15,  (max)
05/22 23Z,  -0.60,  -5.38,  -5.86,  99.90,   0.12,
05/23 00Z,  -0.50,  -8.34,  -8.59,  99.90,   0.25,
05/23 01Z,  -0.50, -11.60, -11.76,  99.90,   0.34,
05/23 02Z,  -0.50, -14.52, -14.62,  99.90,   0.40,
05/23 03Z,  -0.50, -16.80, -16.98,  99.90,   0.32,
05/23 04Z,  -0.50, -17.56, -17.75,  99.90,   0.31,  (min)
05/23 05Z,  -0.50, -15.84, -15.79,  99.90,   0.55,
05/23 06Z,  -0.40, -12.17, -12.13,  99.90,   0.44,
05/23 07Z,  -0.40,  -8.05,  -8.33,  99.90,   0.12,
05/23 08Z,  -0.40,  -4.36,  -4.79,  99.90,  -0.03,
05/23 09Z,  -0.30,  -1.59,  -2.08,  99.90,  -0.19,
05/23 10Z,  -0.30,  -0.50,  -0.99,  99.90,  -0.19,  (max)
05/23 11Z,  -0.30,  -1.62,  -1.96,  99.90,  -0.04,
05/23 12Z,  -0.30,  -4.65,  -4.93,  99.90,   0.02,
05/23 13Z,  -0.30,  -8.63,  -8.80,  99.90,   0.13,
05/23 14Z,  -0.30, -12.66, -12.57,  99.90,   0.39,
05/23 15Z,  -0.30, -16.30, -16.16,  99.90,   0.44,
05/23 16Z,  -0.30, -18.88, -18.71,  99.90,   0.47,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/23 17Z,  -0.30, -19.10,  99.90, -18.98,   0.42,  (min)
05/23 18Z,  -0.30, -16.62,  99.90, -16.54,   0.38,
05/23 19Z,  -0.30, -12.70,  99.90, -12.66,   0.33,
05/23 20Z,  -0.30,  -8.63,  99.90,  -8.64,   0.29,
05/23 21Z,  -0.20,  -5.06,  99.90,  -5.01,   0.25,
05/23 22Z,  -0.20,  -2.76,  99.90,  -2.76,   0.20,
05/23 23Z,  -0.20,  -2.52,  99.90,  -2.57,   0.16,  (max)
05/24 00Z,  -0.20,  -4.42,  99.90,  -4.51,   0.11,
05/24 01Z,  -0.20,  -7.68,  99.90,  -7.81,   0.07,
05/24 02Z,  -0.20, -11.24,  99.90, -11.41,   0.02,
05/24 03Z,  -0.20, -14.47,  99.90, -14.69,  -0.02,
05/24 04Z,  -0.20, -16.94,  99.90, -17.20,  -0.07,
05/24 05Z,  -0.20, -17.50,  99.90, -17.77,  -0.07,  (min)
05/24 06Z,  -0.20, -15.27,  99.90, -15.54,  -0.07,
05/24 07Z,  -0.20, -11.03,  99.90, -11.29,  -0.07,
05/24 08Z,  -0.10,  -6.42,  99.90,  -6.59,  -0.07,
05/24 09Z,  -0.10,  -2.45,  99.90,  -2.62,  -0.07,
05/24 10Z,   0.00,   0.20,  99.90,   0.14,  -0.07,
05/24 11Z,   0.00,   0.71,  99.90,   0.65,  -0.07,  (max)
05/24 12Z,   0.00,  -1.25,  99.90,  -1.31,  -0.07,
05/24 13Z,   0.00,  -5.14,  99.90,  -5.20,  -0.07,
05/24 14Z,   0.00,  -9.86,  99.90,  -9.93,  -0.07,
05/24 15Z,   0.00, -14.54,  99.90, -14.61,  -0.07,
05/24 16Z,   0.00, -18.71,  99.90, -18.78,  -0.07,
05/24 17Z,   0.00, -21.40,  99.90, -21.46,  -0.07,  (min)
05/24 18Z,  -0.10, -21.17,  99.90, -21.34,  -0.07,
05/24 19Z,  -0.10, -17.90,  99.90, -18.06,  -0.07,
05/24 20Z,  -0.10, -13.06,  99.90, -13.23,  -0.07,
05/24 21Z,  -0.10,  -8.11,  99.90,  -8.28,  -0.07,
05/24 22Z,  -0.10,  -3.91,  99.90,  -4.08,  -0.07,
05/24 23Z,  -0.10,  -1.45,  99.90,  -1.62,  -0.07,
05/25 00Z,   0.00,  -1.44,  99.90,  -1.51,  -0.07,  (max)
05/25 01Z,   0.00,  -3.73,  99.90,  -3.80,  -0.07,
05/25 02Z,   0.00,  -7.36,  99.90,  -7.42,  -0.07,
05/25 03Z,   0.00, -11.22,  99.90, -11.28,  -0.07,
05/25 04Z,   0.10, -14.70,  99.90, -14.67,  -0.07,
05/25 05Z,   0.10, -17.18,  99.90, -17.15,  -0.07,
05/25 06Z,   0.10, -17.32,  99.90, -17.29,  -0.07,  (min)
05/25 07Z,   0.10, -14.38,  99.90, -14.34,  -0.07,
05/25 08Z,   0.20,  -9.49,  99.90,  -9.36,  -0.07,
05/25 09Z,   0.20,  -4.48,  99.90,  -4.35,  -0.07,
05/25 10Z,   0.20,  -0.45,  99.90,  -0.31,  -0.07,
05/25 11Z,   0.30,   1.79,  99.90,   2.03,  -0.07,  (max)
05/25 12Z,   0.30,   1.49,  99.90,   1.72,  -0.07,
05/25 13Z,   0.30,  -1.41,  99.90,  -1.18,  -0.07,
05/25 14Z,   0.30,  -6.13,  99.90,  -5.89,  -0.07,
05/25 15Z,   0.30, -11.49,  99.90, -11.26,  -0.07,
05/25 16Z,   0.30, -16.68,  99.90, -16.45,  -0.07,
05/25 17Z,   0.30, -21.13,  99.90, -20.90,  -0.07,
05/25 18Z,   0.20, -23.61,  99.90, -23.47,  -0.07,  (min)
05/25 19Z,   0.20, -22.64,  99.90, -22.50,  -0.07,
05/25 20Z,   0.20, -18.41,  99.90, -18.28,  -0.07,
05/25 21Z,   0.20, -12.70,  99.90, -12.57,  -0.07,
05/25 22Z,   0.20,  -7.07,  99.90,  -6.94,  -0.07,
05/25 23Z,   0.20,  -2.59,  99.90,  -2.46,  -0.07,
05/26 00Z,   0.20,  -0.29,  99.90,  -0.15,  -0.07,  (max)
05/26 01Z,   0.20,  -0.71,  99.90,  -0.58,  -0.07,
05/26 02Z,   0.20,  -3.45,  99.90,  -3.32,  -0.07,
05/26 03Z,   0.20,  -7.40,  99.90,  -7.27,  -0.07,
05/26 04Z,   0.20, -11.49,  99.90, -11.35,  -0.07,
05/26 05Z,   0.30, -15.10,  99.90, -14.86,  -0.07,
05/26 06Z,   0.30, -17.39,  99.90, -17.16,  -0.07,  (min)
05/26 07Z,   0.30, -16.91,  99.90, -16.67,  -0.07,
05/26 08Z,   0.30, -13.18,  99.90, -12.94,  -0.07,
05/26 09Z,   0.40,  -7.74,  99.90,  -7.41,  -0.07,
05/26 10Z,   0.40,  -2.55,  99.90,  -2.21,  -0.07,
05/26 11Z,   0.40,   1.25,  99.90,   1.59,  -0.07,
05/26 12Z,   0.50,   2.83,  99.90,   3.26,  -0.07,  (max)
05/26 13Z,   0.50,   1.63,  99.90,   2.07,  -0.07,
05/26 14Z,   0.50,  -2.12,  99.90,  -1.69,  -0.07,
05/26 15Z,   0.40,  -7.47,  99.90,  -7.14,  -0.07,
05/26 16Z,   0.40, -13.26,  99.90, -12.93,  -0.07,
05/26 17Z,   0.40, -18.73,  99.90, -18.39,  -0.07,
05/26 18Z,   0.30, -23.18,  99.90, -22.95,  -0.07,
05/26 19Z,   0.30, -25.15,  99.90, -24.92,  -0.07,  (min)
05/26 20Z,   0.30, -23.25,  99.90, -23.02,  -0.07,
05/26 21Z,   0.30, -18.11,  99.90, -17.87,  -0.07,
05/26 22Z,   0.30, -11.75,  99.90, -11.51,  -0.07,
05/26 23Z,   0.30,  -5.81,  99.90,  -5.58,  -0.07,
05/27 00Z,   0.30,  -1.41,  99.90,  -1.18,  -0.07,
05/27 01Z,   0.30,   0.48,  99.90,   0.71,  -0.07,  (max)
05/27 02Z,   0.30,  -0.44,  99.90,  -0.21,  -0.07,
05/27 03Z,   0.30,  -3.57,  99.90,  -3.34,  -0.07,
05/27 04Z,   0.30,  -7.75,  99.90,  -7.51,  -0.07,
05/27 05Z,   0.30, -11.95,  99.90, -11.71,  -0.07,
05/27 06Z,   0.30, -15.53,  99.90, -15.30,  -0.07,
05/27 07Z,  99.90, -17.46,  99.90,  99.90,  -0.07,
05/27 08Z,  99.90, -16.23,  99.90,  99.90,  -0.07,
05/27 09Z,  99.90, -11.78,  99.90,  99.90,  -0.07,
05/27 10Z,  99.90,  -6.03,  99.90,  99.90,  -0.07,
05/27 11Z,  99.90,  -0.97,  99.90,  99.90,  -0.07,
05/27 12Z,  99.90,   2.32,  99.90,  99.90,  -0.07,