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 : 05/22/2025 16:23:50 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/21 00Z,  -0.10, -15.16, -14.93,  99.90,   0.33,  (min)
05/21 01Z,  -0.10, -13.40, -13.40,  99.90,   0.10,
05/21 02Z,  -0.10, -10.99, -11.09,  99.90,  -0.00,
05/21 03Z,  -0.10,  -8.32,  -8.43,  99.90,  -0.01,
05/21 04Z,  -0.10,  -5.81,  -6.06,  99.90,  -0.15,
05/21 05Z,  -0.10,  -4.05,  -4.46,  99.90,  -0.31,
05/21 06Z,  -0.20,  -3.48,  -3.89,  99.90,  -0.21,  (max)
05/21 07Z,  -0.20,  -4.18,  -4.45,  99.90,  -0.07,
05/21 08Z,  -0.20,  -5.91,  -6.06,  99.90,   0.05,
05/21 09Z,  -0.10,  -8.20,  -8.34,  99.90,  -0.04,
05/21 10Z,   0.00, -10.49, -10.65,  99.90,  -0.16,
05/21 11Z,   0.00, -12.19, -12.32,  99.90,  -0.13,
05/21 12Z,  -0.20, -12.73, -12.81,  99.90,   0.12,  (min)
05/21 13Z,  -0.30, -12.00, -12.12,  99.90,   0.18,
05/21 14Z,  -0.30, -10.40, -10.50,  99.90,   0.20,
05/21 15Z,  -0.30,  -8.39,  -8.54,  99.90,   0.15,
05/21 16Z,  -0.30,  -6.37,  -6.60,  99.90,   0.07,
05/21 17Z,  -0.30,  -4.90,  -5.09,  99.90,   0.11,
05/21 18Z,  -0.40,  -4.51,  -4.66,  99.90,   0.25,  (max)
05/21 19Z,  -0.40,  -5.37,  -5.59,  99.90,   0.18,
05/21 20Z,  -0.40,  -7.29,  -7.48,  99.90,   0.21,
05/21 21Z,  -0.30,  -9.83,  -9.94,  99.90,   0.19,
05/21 22Z,  -0.30, -12.44, -12.55,  99.90,   0.19,
05/21 23Z,  -0.30, -14.54, -14.68,  99.90,   0.16,
05/22 00Z,  -0.40, -15.53, -15.59,  99.90,   0.34,  (min)
05/22 01Z,  -0.40, -15.03, -14.97,  99.90,   0.46,
05/22 02Z,  -0.50, -13.23, -13.20,  99.90,   0.53,
05/22 03Z,  -0.50, -10.62, -10.63,  99.90,   0.49,
05/22 04Z,  -0.40,  -7.62,  -7.74,  99.90,   0.28,
05/22 05Z,  -0.30,  -4.81,  -5.04,  99.90,   0.07,
05/22 06Z,  -0.30,  -2.91,  -3.21,  99.90,  -0.00,
05/22 07Z,  -0.40,  -2.39,  -2.67,  99.90,   0.12,  (max)
05/22 08Z,  -0.30,  -3.36,  -3.50,  99.90,   0.16,
05/22 09Z,  -0.30,  -5.55,  -5.51,  99.90,   0.34,
05/22 10Z,  -0.20,  -8.43,  -8.38,  99.90,   0.25,
05/22 11Z,  -0.20, -11.38, -11.41,  99.90,   0.17,
05/22 12Z,  -0.20, -13.67, -13.70,  99.90,   0.17,
05/22 13Z,  -0.20, -14.59, -14.63,  99.90,   0.16,  (min)
05/22 14Z,  -0.30, -13.97, -13.97,  99.90,   0.30,
05/22 15Z,  -0.30, -12.16, -12.06,  99.90,   0.40,
05/22 16Z,  -0.40,  -9.64,  -9.66,  99.90,   0.38,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/22 17Z,  -0.40,  -6.95,  99.90,  -6.99,   0.36,
05/22 18Z,  -0.30,  -4.82,  99.90,  -4.79,   0.34,
05/22 19Z,  -0.30,  -3.91,  99.90,  -3.89,   0.31,  (max)
05/22 20Z,  -0.20,  -4.45,  99.90,  -4.36,   0.29,
05/22 21Z,  -0.10,  -6.30,  99.90,  -6.13,   0.27,
05/22 22Z,  -0.10,  -8.98,  99.90,  -8.84,   0.25,
05/22 23Z,  -0.20, -11.90,  99.90, -11.88,   0.23,
05/23 00Z,  -0.20, -14.36,  99.90, -14.35,   0.20,
05/23 01Z,  -0.30, -15.55,  99.90, -15.67,   0.18,  (min)
05/23 02Z,  -0.30, -15.03,  99.90, -15.18,   0.16,
05/23 03Z,  -0.30, -13.00,  99.90, -13.17,   0.14,
05/23 04Z,  -0.30,  -9.96,  99.90, -10.15,   0.11,
05/23 05Z,  -0.20,  -6.48,  99.90,  -6.57,   0.11,
05/23 06Z,  -0.20,  -3.34,  99.90,  -3.43,   0.11,
05/23 07Z,  -0.10,  -1.38,  99.90,  -1.37,   0.11,
05/23 08Z,  -0.10,  -1.11,  99.90,  -1.09,   0.11,  (max)
05/23 09Z,  -0.10,  -2.58,  99.90,  -2.57,   0.11,
05/23 10Z,  -0.10,  -5.47,  99.90,  -5.46,   0.11,
05/23 11Z,  -0.10,  -9.17,  99.90,  -9.15,   0.11,
05/23 12Z,  -0.20, -12.90,  99.90, -12.99,   0.11,
05/23 13Z,  -0.20, -15.76,  99.90, -15.84,   0.11,
05/23 14Z,  -0.30, -16.89,  99.90, -17.08,   0.11,  (min)
05/23 15Z,  -0.30, -16.11,  99.90, -16.30,   0.11,
05/23 16Z,  -0.30, -13.80,  99.90, -13.98,   0.11,
05/23 17Z,  -0.30, -10.51,  99.90, -10.70,   0.11,
05/23 18Z,  -0.30,  -7.00,  99.90,  -7.19,   0.11,
05/23 19Z,  -0.30,  -4.21,  99.90,  -4.40,   0.11,
05/23 20Z,  -0.20,  -2.88,  99.90,  -2.96,   0.11,  (max)
05/23 21Z,  -0.20,  -3.28,  99.90,  -3.36,   0.11,
05/23 22Z,  -0.20,  -5.25,  99.90,  -5.33,   0.11,
05/23 23Z,  -0.20,  -8.27,  99.90,  -8.36,   0.11,
05/24 00Z,  -0.10, -11.64,  99.90, -11.62,   0.11,
05/24 01Z,  -0.10, -14.45,  99.90, -14.44,   0.11,
05/24 02Z,  -0.10, -15.75,  99.90, -15.74,   0.11,  (min)
05/24 03Z,  -0.20, -15.04,  99.90, -15.12,   0.11,
05/24 04Z,  -0.30, -12.57,  99.90, -12.75,   0.11,
05/24 05Z,  -0.30,  -8.95,  99.90,  -9.14,   0.11,
05/24 06Z,  -0.20,  -4.97,  99.90,  -5.05,   0.11,
05/24 07Z,  -0.10,  -1.59,  99.90,  -1.57,   0.11,
05/24 08Z,  -0.10,   0.26,  99.90,   0.27,   0.11,  (max)
05/24 09Z,   0.00,   0.09,  99.90,   0.20,   0.11,
05/24 10Z,   0.00,  -2.09,  99.90,  -1.98,   0.11,
05/24 11Z,   0.00,  -5.83,  99.90,  -5.72,   0.11,
05/24 12Z,  -0.10, -10.41,  99.90, -10.40,   0.11,
05/24 13Z,  -0.20, -14.90,  99.90, -14.98,   0.11,
05/24 14Z,  -0.30, -18.15,  99.90, -18.34,   0.11,
05/24 15Z,  -0.30, -19.24,  99.90, -19.43,   0.11,  (min)
05/24 16Z,  -0.30, -18.02,  99.90, -18.21,   0.11,
05/24 17Z,  -0.30, -14.97,  99.90, -15.15,   0.11,
05/24 18Z,  -0.20, -10.81,  99.90, -10.90,   0.11,
05/24 19Z,  -0.10,  -6.53,  99.90,  -6.51,   0.11,
05/24 20Z,   0.00,  -3.21,  99.90,  -3.10,   0.11,
05/24 21Z,   0.00,  -1.65,  99.90,  -1.54,   0.11,  (max)
05/24 22Z,   0.00,  -2.11,  99.90,  -2.00,   0.11,
05/24 23Z,   0.00,  -4.39,  99.90,  -4.27,   0.11,
05/25 00Z,   0.00,  -7.87,  99.90,  -7.75,   0.11,
05/25 01Z,   0.00, -11.70,  99.90, -11.59,   0.11,
05/25 02Z,   0.00, -14.78,  99.90, -14.67,   0.11,
05/25 03Z,  -0.10, -16.01,  99.90, -15.99,   0.11,  (min)
05/25 04Z,  -0.20, -14.90,  99.90, -14.99,   0.11,
05/25 05Z,  -0.10, -11.85,  99.90, -11.83,   0.11,
05/25 06Z,   0.00,  -7.64,  99.90,  -7.52,   0.11,
05/25 07Z,   0.00,  -3.25,  99.90,  -3.13,   0.11,
05/25 08Z,   0.20,   0.18,  99.90,   0.49,   0.11,
05/25 09Z,   0.30,   1.71,  99.90,   2.12,   0.11,  (max)
05/25 10Z,   0.40,   0.93,  99.90,   1.45,   0.11,
05/25 11Z,   0.30,  -2.04,  99.90,  -1.63,   0.11,
05/25 12Z,   0.20,  -6.66,  99.90,  -6.34,   0.11,
05/25 13Z,   0.00, -12.05,  99.90, -11.94,   0.11,
05/25 14Z,   0.00, -17.09,  99.90, -16.98,   0.11,
05/25 15Z,  -0.10, -20.46,  99.90, -20.45,   0.11,
05/25 16Z,  -0.10, -21.22,  99.90, -21.21,   0.11,  (min)
05/25 17Z,  -0.10, -19.34,  99.90, -19.33,   0.11,
05/25 18Z,  -0.10, -15.46,  99.90, -15.45,   0.11,
05/25 19Z,   0.00, -10.51,  99.90, -10.40,   0.11,
05/25 20Z,   0.00,  -5.65,  99.90,  -5.54,   0.11,
05/25 21Z,   0.10,  -2.06,  99.90,  -1.85,   0.11,
05/25 22Z,   0.10,  -0.50,  99.90,  -0.29,   0.11,  (max)
05/25 23Z,   0.10,  -1.21,  99.90,  -1.00,   0.11,
05/26 00Z,   0.10,  -3.90,  99.90,  -3.69,   0.11,
05/26 01Z,   0.10,  -7.87,  99.90,  -7.66,   0.11,
05/26 02Z,   0.10, -12.08,  99.90, -11.87,   0.11,
05/26 03Z,   0.00, -15.24,  99.90, -15.13,   0.11,
05/26 04Z,   0.00, -16.17,  99.90, -16.06,   0.11,  (min)
05/26 05Z,   0.00, -14.52,  99.90, -14.41,   0.11,
05/26 06Z,   0.10, -10.86,  99.90, -10.65,   0.11,
05/26 07Z,  99.90,  -6.17,  99.90,  99.90,   0.11,
05/26 08Z,  99.90,  -1.59,  99.90,  99.90,   0.11,
05/26 09Z,  99.90,   1.67,  99.90,  99.90,   0.11,
05/26 10Z,  99.90,   2.72,  99.90,  99.90,   0.11,
05/26 11Z,  99.90,   1.26,  99.90,  99.90,   0.11,
05/26 12Z,  99.90,  -2.49,  99.90,  99.90,   0.11,