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
#Seldovia, AK : 03/23/2025 21:22:31 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/22 06Z,   0.30, -12.35, -11.69,  99.90,   0.36,  (max)
03/22 07Z,   0.30, -13.38, -12.69,  99.90,   0.39,
03/22 08Z,   0.30, -14.36, -13.67,  99.90,   0.39,
03/22 09Z,   0.30, -14.97, -14.32,  99.90,   0.35,
03/22 10Z,   0.30, -14.99, -14.37,  99.90,   0.32,  (min)
03/22 11Z,   0.20, -14.22, -13.64,  99.90,   0.38,
03/22 12Z,   0.30, -12.77, -12.44,  99.90,   0.03,
03/22 13Z,   0.30, -11.17, -10.97,  99.90,  -0.10,
03/22 14Z,   0.20,  -9.91,  -9.78,  99.90,  -0.07,
03/22 15Z,   0.10,  -9.18,  -9.07,  99.90,   0.01,
03/22 16Z,   0.00,  -9.15,  -8.97,  99.90,   0.18,  (max)
03/22 17Z,   0.00,  -9.99,  -9.79,  99.90,   0.20,
03/22 18Z,   0.10, -11.57, -11.24,  99.90,   0.23,
03/22 19Z,   0.10, -13.56, -12.96,  99.90,   0.50,
03/22 20Z,   0.10, -15.52, -14.80,  99.90,   0.62,
03/22 21Z,   0.20, -17.12, -16.56,  99.90,   0.36,
03/22 22Z,   0.20, -18.20, -17.70,  99.90,   0.30,
03/22 23Z,   0.20, -18.60, -18.18,  99.90,   0.22,  (min)
03/23 00Z,   0.20, -18.21, -17.98,  99.90,   0.03,
03/23 01Z,   0.20, -17.27, -17.17,  99.90,  -0.10,
03/23 02Z,   0.10, -16.12, -15.93,  99.90,   0.09,
03/23 03Z,   0.00, -14.84, -14.38,  99.90,   0.46,
03/23 04Z,   0.00, -13.53, -12.97,  99.90,   0.56,
03/23 05Z,   0.00, -12.49, -11.93,  99.90,   0.56,
03/23 06Z,   0.00, -11.97, -11.39,  99.90,   0.58,
03/23 07Z,   0.10, -12.03, -11.39,  99.90,   0.54,  (max)
03/23 08Z,   0.20, -12.51, -11.82,  99.90,   0.49,
03/23 09Z,   0.20, -13.19, -12.51,  99.90,   0.48,
03/23 10Z,   0.20, -13.82, -13.18,  99.90,   0.44,
03/23 11Z,   0.30, -14.16, -13.57,  99.90,   0.29,  (min)
03/23 12Z,   0.30, -13.93, -13.50,  99.90,   0.13,
03/23 13Z,   0.30, -13.11, -12.89,  99.90,  -0.08,
03/23 14Z,   0.30, -12.05, -11.94,  99.90,  -0.19,
03/23 15Z,   0.30, -11.06, -10.90,  99.90,  -0.14,
03/23 16Z,   0.30, -10.26, -10.07,  99.90,  -0.11,
03/23 17Z,   0.30,  -9.89,  -9.71,  99.90,  -0.12,  (max)
03/23 18Z,   0.30, -10.21,  -9.97,  99.90,  -0.06,
03/23 19Z,   0.30, -11.23, -10.93,  99.90,  -0.00,
03/23 20Z,   0.30, -12.75, -12.47,  99.90,  -0.02,
03/23 21Z,   0.50, -14.49, -14.18,  99.90,  -0.19,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/23 22Z,   0.60, -16.21,  99.90, -15.78,  -0.16,
03/23 23Z,   0.70, -17.72,  99.90, -17.16,  -0.14,
03/24 00Z,   0.70, -18.71,  99.90, -18.13,  -0.12,
03/24 01Z,   0.70, -18.93,  99.90, -18.33,  -0.10,  (min)
03/24 02Z,   0.60, -18.43,  99.90, -17.91,  -0.07,
03/24 03Z,   0.60, -17.40,  99.90, -16.85,  -0.05,
03/24 04Z,   0.60, -15.86,  99.90, -15.30,  -0.03,
03/24 05Z,   0.50, -14.03,  99.90, -13.54,  -0.01,
03/24 06Z,   0.50, -12.35,  99.90, -11.83,   0.01,
03/24 07Z,   0.50, -11.23,  99.90, -10.69,   0.04,
03/24 08Z,   0.50, -10.87,  99.90, -10.31,   0.06,  (max)
03/24 09Z,   0.60, -11.23,  99.90, -10.55,   0.08,
03/24 10Z,   0.70, -12.13,  99.90, -11.35,   0.08,
03/24 11Z,   0.70, -13.30,  99.90, -12.52,   0.08,
03/24 12Z,   0.70, -14.35,  99.90, -13.58,   0.08,
03/24 13Z,   0.60, -14.79,  99.90, -14.11,   0.08,  (min)
03/24 14Z,   0.60, -14.44,  99.90, -13.76,   0.08,
03/24 15Z,   0.40, -13.53,  99.90, -13.05,   0.08,
03/24 16Z,   0.30, -12.28,  99.90, -11.90,   0.08,
03/24 17Z,   0.20, -10.89,  99.90, -10.61,   0.08,
03/24 18Z,   0.10,  -9.82,  99.90,  -9.64,   0.08,
03/24 19Z,   0.00,  -9.49,  99.90,  -9.41,   0.08,  (max)
03/24 20Z,   0.00, -10.06,  99.90,  -9.98,   0.08,
03/24 21Z,   0.00, -11.46,  99.90, -11.38,   0.08,
03/24 22Z,   0.10, -13.46,  99.90, -13.28,   0.08,
03/24 23Z,   0.20, -15.78,  99.90, -15.50,   0.08,
03/25 00Z,   0.20, -18.06,  99.90, -17.78,   0.08,
03/25 01Z,   0.20, -19.76,  99.90, -19.48,   0.08,
03/25 02Z,   0.00, -20.39,  99.90, -20.31,   0.08,  (min)
03/25 03Z,   0.00, -19.93,  99.90, -19.85,   0.08,
03/25 04Z,  -0.10, -18.48,  99.90, -18.50,   0.08,
03/25 05Z,  -0.10, -16.20,  99.90, -16.22,   0.08,
03/25 06Z,  -0.10, -13.52,  99.90, -13.54,   0.08,
03/25 07Z,   0.00, -11.14,  99.90, -11.06,   0.08,
03/25 08Z,   0.00,  -9.61,  99.90,  -9.53,   0.08,
03/25 09Z,   0.00,  -9.24,  99.90,  -9.16,   0.08,  (max)
03/25 10Z,   0.10, -10.00,  99.90,  -9.82,   0.08,
03/25 11Z,   0.10, -11.65,  99.90, -11.47,   0.08,
03/25 12Z,   0.10, -13.77,  99.90, -13.59,   0.08,
03/25 13Z,   0.00, -15.68,  99.90, -15.60,   0.08,
03/25 14Z,   0.00, -16.66,  99.90, -16.58,   0.08,  (min)
03/25 15Z,  -0.20, -16.42,  99.90, -16.54,   0.08,
03/25 16Z,  -0.20, -15.15,  99.90, -15.27,   0.08,
03/25 17Z,  -0.20, -13.12,  99.90, -13.24,   0.08,
03/25 18Z,  -0.10, -10.80,  99.90, -10.82,   0.08,
03/25 19Z,   0.00,  -8.89,  99.90,  -8.81,   0.08,
03/25 20Z,   0.00,  -8.01,  99.90,  -7.93,   0.08,  (max)
03/25 21Z,   0.00,  -8.45,  99.90,  -8.37,   0.08,
03/25 22Z,   0.00, -10.15,  99.90, -10.07,   0.08,
03/25 23Z,   0.00, -12.85,  99.90, -12.77,   0.08,
03/26 00Z,   0.00, -16.10,  99.90, -16.02,   0.08,
03/26 01Z,  -0.10, -19.26,  99.90, -19.28,   0.08,
03/26 02Z,  -0.10, -21.48,  99.90, -21.50,   0.08,
03/26 03Z,  -0.20, -22.14,  99.90, -22.26,   0.08,  (min)
03/26 04Z,  -0.20, -21.18,  99.90, -21.30,   0.08,
03/26 05Z,  -0.20, -18.84,  99.90, -18.96,   0.08,
03/26 06Z,  -0.20, -15.50,  99.90, -15.62,   0.08,
03/26 07Z,  -0.20, -11.93,  99.90, -12.05,   0.08,
03/26 08Z,  -0.10,  -9.04,  99.90,  -9.06,   0.08,
03/26 09Z,  -0.10,  -7.51,  99.90,  -7.53,   0.08,  (max)
03/26 10Z,  -0.10,  -7.62,  99.90,  -7.64,   0.08,
03/26 11Z,  -0.20,  -9.29,  99.90,  -9.41,   0.08,
03/26 12Z,  -0.30, -12.09,  99.90, -12.31,   0.08,
03/26 13Z,  -0.50, -15.33,  99.90, -15.75,   0.08,
03/26 14Z,  -0.60, -18.01,  99.90, -18.53,   0.08,
03/26 15Z,  -0.80, -19.19,  99.90, -19.91,   0.08,  (min)
03/26 16Z,  -0.80, -18.57,  99.90, -19.29,   0.08,
03/26 17Z,  -0.80, -16.44,  99.90, -17.16,   0.08,
03/26 18Z,  -0.80, -13.31,  99.90, -14.03,   0.08,
03/26 19Z,  -0.60,  -9.94,  99.90, -10.46,   0.08,
03/26 20Z,  -0.50,  -7.31,  99.90,  -7.73,   0.08,
03/26 21Z,  -0.40,  -6.17,  99.90,  -6.49,   0.08,  (max)
03/26 22Z,  -0.40,  -6.85,  99.90,  -7.17,   0.08,
03/26 23Z,  -0.40,  -9.25,  99.90,  -9.57,   0.08,
03/27 00Z,  -0.50, -12.93,  99.90, -13.35,   0.08,
03/27 01Z,  -0.60, -17.20,  99.90, -17.72,   0.08,
03/27 02Z,  -0.70, -21.07,  99.90, -21.69,   0.08,
03/27 03Z,  -0.70, -23.41,  99.90, -24.03,   0.08,
03/27 04Z,  -0.70, -23.58,  99.90, -24.20,   0.08,  (min)
03/27 05Z,  -0.70, -21.65,  99.90, -22.27,   0.08,
03/27 06Z,  -0.60, -18.11,  99.90, -18.63,   0.08,
03/27 07Z,  -0.40, -13.68,  99.90, -14.00,   0.08,
03/27 08Z,  -0.30,  -9.45,  99.90,  -9.67,   0.08,
03/27 09Z,  -0.30,  -6.47,  99.90,  -6.69,   0.08,
03/27 10Z,  -0.20,  -5.43,  99.90,  -5.55,   0.08,  (max)
03/27 11Z,  -0.20,  -6.52,  99.90,  -6.64,   0.08,
03/27 12Z,  -0.10,  -9.47,  99.90,  -9.49,   0.08,
03/27 13Z,  99.90, -13.59,  99.90,  99.90,   0.08,
03/27 14Z,  99.90, -17.85,  99.90,  99.90,   0.08,
03/27 15Z,  99.90, -20.94,  99.90,  99.90,   0.08,
03/27 16Z,  99.90, -21.85,  99.90,  99.90,   0.08,
03/27 17Z,  99.90, -20.39,  99.90,  99.90,   0.08,
03/27 18Z,  99.90, -17.09,  99.90,  99.90,   0.08,