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 : 07/04/2025 19:22:22 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/03 00Z,   0.00, -17.84, -17.50,  99.90,   0.34,
07/03 01Z,   0.00, -15.41, -15.11,  99.90,   0.30,
07/03 02Z,   0.00, -12.64, -12.50,  99.90,   0.14,
07/03 03Z,   0.00, -10.06, -10.06,  99.90,  -0.00,
07/03 04Z,   0.00,  -8.32,  -8.41,  99.90,  -0.09,
07/03 05Z,   0.00,  -7.87,  -8.02,  99.90,  -0.15,  (max)
07/03 06Z,   0.00,  -8.73,  -8.95,  99.90,  -0.22,
07/03 07Z,   0.00, -10.64, -10.80,  99.90,  -0.16,
07/03 08Z,   0.00, -13.13, -13.16,  99.90,  -0.03,
07/03 09Z,   0.00, -15.72, -15.74,  99.90,  -0.02,
07/03 10Z,   0.00, -17.83, -17.89,  99.90,  -0.06,
07/03 11Z,   0.00, -18.86, -18.81,  99.90,   0.05,  (min)
07/03 12Z,   0.00, -18.66, -18.47,  99.90,   0.19,
07/03 13Z,   0.00, -17.50, -17.29,  99.90,   0.21,
07/03 14Z,   0.00, -15.71, -15.56,  99.90,   0.15,
07/03 15Z,  -0.10, -13.64, -13.62,  99.90,   0.12,
07/03 16Z,  -0.20, -11.88, -11.92,  99.90,   0.16,
07/03 17Z,  -0.20, -10.97, -11.04,  99.90,   0.13,  (max)
07/03 18Z,  -0.30, -11.14, -11.23,  99.90,   0.21,
07/03 19Z,  -0.20, -12.26, -12.29,  99.90,   0.17,
07/03 20Z,  -0.20, -13.99, -13.97,  99.90,   0.22,
07/03 21Z,  -0.20, -15.90, -15.79,  99.90,   0.31,
07/03 22Z,  -0.30, -17.49, -17.43,  99.90,   0.36,
07/03 23Z,  -0.30, -18.22, -18.13,  99.90,   0.39,  (min)
07/04 00Z,  -0.20, -17.74, -17.65,  99.90,   0.29,
07/04 01Z,  -0.20, -16.26, -16.14,  99.90,   0.32,
07/04 02Z,  -0.20, -14.18, -14.11,  99.90,   0.27,
07/04 03Z,  -0.20, -11.85, -11.98,  99.90,   0.07,
07/04 04Z,  -0.30,  -9.76, -10.08,  99.90,  -0.02,
07/04 05Z,  -0.40,  -8.49,  -8.95,  99.90,  -0.06,
07/04 06Z,  -0.20,  -8.36,  -8.82,  99.90,  -0.26,  (max)
07/04 07Z,  -0.20,  -9.36,  -9.73,  99.90,  -0.17,
07/04 08Z,  -0.20, -11.21, -11.44,  99.90,  -0.03,
07/04 09Z,  -0.20, -13.54, -13.68,  99.90,   0.06,
07/04 10Z,  -0.20, -15.96, -16.10,  99.90,   0.06,
07/04 11Z,  -0.30, -17.96, -18.06,  99.90,   0.20,
07/04 12Z,  -0.10, -19.01, -19.09,  99.90,   0.02,
07/04 13Z,  -0.20, -18.96, -19.10,  99.90,   0.06,  (min)
07/04 14Z,  -0.30, -18.04, -18.21,  99.90,   0.13,
07/04 15Z,  -0.30, -16.43, -16.73,  99.90,   0.00,
07/04 16Z,  -0.40, -14.46, -14.92,  99.90,  -0.06,
07/04 17Z,  -0.40, -12.69, -13.12,  99.90,  -0.03,
07/04 18Z,  -0.40, -11.63, -11.92,  99.90,   0.11,
07/04 19Z,  -0.40, -11.51, -11.70,  99.90,   0.21,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/04 20Z,  -0.40, -12.23,  99.90, -12.42,   0.20,
07/04 21Z,  -0.30, -13.52,  99.90, -13.62,   0.20,
07/04 22Z,  -0.20, -15.04,  99.90, -15.04,   0.20,
07/04 23Z,  -0.10, -16.37,  99.90, -16.27,   0.20,
07/05 00Z,  -0.10, -16.96,  99.90, -16.86,   0.20,  (min)
07/05 01Z,   0.00, -16.51,  99.90, -16.32,   0.20,
07/05 02Z,  -0.10, -15.22,  99.90, -15.13,   0.19,
07/05 03Z,  -0.10, -13.39,  99.90, -13.30,   0.19,
07/05 04Z,  -0.10, -11.33,  99.90, -11.24,   0.19,
07/05 05Z,  -0.10,  -9.53,  99.90,  -9.44,   0.19,
07/05 06Z,  -0.20,  -8.54,  99.90,  -8.55,   0.19,  (max)
07/05 07Z,  -0.20,  -8.61,  99.90,  -8.62,   0.18,
07/05 08Z,  -0.20,  -9.70,  99.90,  -9.71,   0.18,
07/05 09Z,  -0.10, -11.56,  99.90, -11.48,   0.18,
07/05 10Z,   0.00, -13.89,  99.90, -13.70,   0.18,
07/05 11Z,   0.00, -16.34,  99.90, -16.15,   0.18,
07/05 12Z,   0.00, -18.40,  99.90, -18.22,   0.18,
07/05 13Z,   0.00, -19.55,  99.90, -19.36,   0.18,
07/05 14Z,   0.00, -19.62,  99.90, -19.44,   0.18,  (min)
07/05 15Z,   0.00, -18.75,  99.90, -18.57,   0.18,
07/05 16Z,   0.00, -17.08,  99.90, -16.90,   0.18,
07/05 17Z,   0.00, -14.95,  99.90, -14.76,   0.18,
07/05 18Z,   0.00, -12.96,  99.90, -12.77,   0.18,
07/05 19Z,   0.00, -11.64,  99.90, -11.46,   0.18,
07/05 20Z,   0.00, -11.24,  99.90, -11.06,   0.18,  (max)
07/05 21Z,   0.00, -11.70,  99.90, -11.52,   0.18,
07/05 22Z,   0.00, -12.81,  99.90, -12.62,   0.18,
07/05 23Z,   0.00, -14.25,  99.90, -14.06,   0.18,
07/06 00Z,   0.00, -15.59,  99.90, -15.40,   0.18,
07/06 01Z,   0.00, -16.23,  99.90, -16.05,   0.18,  (min)
07/06 02Z,   0.00, -15.88,  99.90, -15.70,   0.18,
07/06 03Z,   0.00, -14.69,  99.90, -14.50,   0.18,
07/06 04Z,   0.00, -12.93,  99.90, -12.74,   0.18,
07/06 05Z,   0.00, -10.92,  99.90, -10.73,   0.18,
07/06 06Z,   0.10,  -9.21,  99.90,  -8.92,   0.18,
07/06 07Z,   0.10,  -8.34,  99.90,  -8.06,   0.18,  (max)
07/06 08Z,   0.10,  -8.56,  99.90,  -8.27,   0.18,
07/06 09Z,   0.10,  -9.79,  99.90,  -9.50,   0.18,
07/06 10Z,   0.10, -11.81,  99.90, -11.52,   0.18,
07/06 11Z,   0.10, -14.33,  99.90, -14.04,   0.18,
07/06 12Z,   0.00, -17.00,  99.90, -16.81,   0.18,
07/06 13Z,   0.00, -19.24,  99.90, -19.05,   0.18,
07/06 14Z,  -0.10, -20.46,  99.90, -20.38,   0.18,
07/06 15Z,  -0.10, -20.50,  99.90, -20.41,   0.18,  (min)
07/06 16Z,  -0.10, -19.44,  99.90, -19.35,   0.18,
07/06 17Z,  -0.10, -17.44,  99.90, -17.35,   0.18,
07/06 18Z,  -0.10, -14.93,  99.90, -14.84,   0.18,
07/06 19Z,  -0.10, -12.62,  99.90, -12.53,   0.18,
07/06 20Z,  -0.10, -11.06,  99.90, -10.97,   0.18,
07/06 21Z,   0.00, -10.51,  99.90, -10.32,   0.18,  (max)
07/06 22Z,   0.00, -10.94,  99.90, -10.76,   0.18,
07/06 23Z,   0.00, -12.15,  99.90, -11.96,   0.18,
07/07 00Z,   0.00, -13.80,  99.90, -13.61,   0.18,
07/07 01Z,   0.00, -15.35,  99.90, -15.17,   0.18,
07/07 02Z,   0.00, -16.12,  99.90, -15.93,   0.18,  (min)
07/07 03Z,   0.00, -15.78,  99.90, -15.60,   0.18,
07/07 04Z,   0.00, -14.51,  99.90, -14.32,   0.18,
07/07 05Z,   0.00, -12.58,  99.90, -12.39,   0.18,
07/07 06Z,   0.00, -10.41,  99.90, -10.23,   0.18,
07/07 07Z,   0.00,  -8.65,  99.90,  -8.47,   0.18,
07/07 08Z,   0.00,  -7.86,  99.90,  -7.68,   0.18,  (max)
07/07 09Z,   0.00,  -8.25,  99.90,  -8.07,   0.18,
07/07 10Z,   0.00,  -9.75,  99.90,  -9.56,   0.18,
07/07 11Z,   0.00, -12.11,  99.90, -11.92,   0.18,
07/07 12Z,   0.00, -15.02,  99.90, -14.84,   0.18,
07/07 13Z,  -0.10, -18.05,  99.90, -17.96,   0.18,
07/07 14Z,  -0.20, -20.46,  99.90, -20.47,   0.18,
07/07 15Z,  -0.30, -21.62,  99.90, -21.74,   0.18,  (min)
07/07 16Z,  -0.30, -21.39,  99.90, -21.50,   0.18,
07/07 17Z,  -0.20, -19.87,  99.90, -19.89,   0.18,
07/07 18Z,  -0.20, -17.32,  99.90, -17.34,   0.18,
07/07 19Z,   0.00, -14.34,  99.90, -14.16,   0.18,
07/07 20Z,   0.00, -11.72,  99.90, -11.53,   0.18,
07/07 21Z,   0.00, -10.03,  99.90,  -9.85,   0.18,
07/07 22Z,   0.00,  -9.55,  99.90,  -9.36,   0.18,  (max)
07/07 23Z,   0.00, -10.22,  99.90, -10.04,   0.18,
07/08 00Z,   0.00, -11.81,  99.90, -11.63,   0.18,
07/08 01Z,  -0.10, -13.89,  99.90, -13.80,   0.18,
07/08 02Z,  -0.20, -15.72,  99.90, -15.74,   0.18,
07/08 03Z,  -0.20, -16.53,  99.90, -16.55,   0.18,  (min)
07/08 04Z,  -0.20, -16.03,  99.90, -16.04,   0.18,
07/08 05Z,  -0.20, -14.43,  99.90, -14.44,   0.18,
07/08 06Z,  -0.10, -12.12,  99.90, -12.03,   0.18,
07/08 07Z,   0.00,  -9.66,  99.90,  -9.48,   0.18,
07/08 08Z,   0.00,  -7.82,  99.90,  -7.64,   0.18,
07/08 09Z,   0.10,  -7.15,  99.90,  -6.86,   0.18,  (max)
07/08 10Z,   0.10,  -7.83,  99.90,  -7.55,   0.18,
07/08 11Z,   0.10,  -9.76,  99.90,  -9.48,   0.18,
07/08 12Z,   0.10, -12.66,  99.90, -12.37,   0.18,