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 : 02/09/2026 23:23:29 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/08 06Z,   0.90, -13.71, -13.38,  99.90,  -0.57,
02/08 07Z,   0.80, -16.57, -16.46,  99.90,  -0.69,
02/08 08Z,   0.80, -18.69, -18.74,  99.90,  -0.85,
02/08 09Z,   0.80, -19.41, -19.35,  99.90,  -0.74,  (min)
02/08 10Z,   0.70, -18.35, -18.10,  99.90,  -0.45,
02/08 11Z,   0.70, -15.86, -15.64,  99.90,  -0.48,
02/08 12Z,   1.00, -12.74, -12.59,  99.90,  -0.85,
02/08 13Z,   0.90,  -9.67,  -9.58,  99.90,  -0.81,
02/08 14Z,   0.70,  -7.30,  -7.24,  99.90,  -0.64,
02/08 15Z,   0.40,  -6.23,  -6.21,  99.90,  -0.38,  (max)
02/08 16Z,   0.30,  -6.76,  -6.69,  99.90,  -0.23,
02/08 17Z,   0.20,  -8.73,  -8.57,  99.90,  -0.04,
02/08 18Z,   0.50, -11.64, -11.39,  99.90,  -0.25,
02/08 19Z,   0.40, -14.78, -14.68,  99.90,  -0.30,
02/08 20Z,   0.30, -17.53, -17.52,  99.90,  -0.29,
02/08 21Z,   0.20, -19.32, -19.28,  99.90,  -0.16,
02/08 22Z,   0.10, -19.71, -19.57,  99.90,   0.04,  (min)
02/08 23Z,   0.00, -18.68, -18.56,  99.90,   0.12,
02/09 00Z,   0.30, -16.74, -16.70,  99.90,  -0.26,
02/09 01Z,   0.30, -14.44, -14.44,  99.90,  -0.30,
02/09 02Z,   0.20, -12.22, -12.23,  99.90,  -0.21,
02/09 03Z,   0.00, -10.60, -10.59,  99.90,   0.01,
02/09 04Z,   0.00, -10.04, -10.00,  99.90,   0.04,  (max)
02/09 05Z,  -0.10, -10.67, -10.54,  99.90,   0.23,
02/09 06Z,   0.20, -12.21, -12.17,  99.90,  -0.16,
02/09 07Z,   0.20, -14.16, -14.22,  99.90,  -0.26,
02/09 08Z,   0.10, -15.96, -15.97,  99.90,  -0.11,
02/09 09Z,   0.00, -17.10, -17.21,  99.90,  -0.11,  (min)
02/09 10Z,   0.00, -17.14, -17.10,  99.90,   0.04,
02/09 11Z,   0.00, -15.89, -15.65,  99.90,   0.24,
02/09 12Z,   0.20, -13.76, -13.65,  99.90,  -0.09,
02/09 13Z,   0.10, -11.40, -11.59,  99.90,  -0.29,
02/09 14Z,   0.00,  -9.28,  -9.57,  99.90,  -0.29,
02/09 15Z,   0.00,  -7.85,  -8.04,  99.90,  -0.19,
02/09 16Z,   0.00,  -7.51,  -7.74,  99.90,  -0.23,  (max)
02/09 17Z,   0.00,  -8.40,  -8.58,  99.90,  -0.18,
02/09 18Z,   0.10, -10.27, -10.31,  99.90,  -0.14,
02/09 19Z,   0.00, -12.65, -12.48,  99.90,   0.17,
02/09 20Z,   0.00, -15.03, -15.02,  99.90,   0.01,
02/09 21Z,   0.00, -17.04, -17.25,  99.90,  -0.21,
02/09 22Z,   0.00, -18.33, -18.53,  99.90,  -0.20,
02/09 23Z,   0.10, -18.58, -18.72,  99.90,  -0.24,  (min)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/10 00Z,   0.10, -17.84,  99.90, -17.97,  -0.23,
02/10 01Z,   0.20, -16.52,  99.90, -16.54,  -0.22,
02/10 02Z,   0.20, -14.94,  99.90, -14.95,  -0.21,
02/10 03Z,   0.20, -13.32,  99.90, -13.32,  -0.20,
02/10 04Z,   0.20, -12.06,  99.90, -12.05,  -0.19,
02/10 05Z,   0.20, -11.53,  99.90, -11.51,  -0.18,  (max)
02/10 06Z,   0.20, -11.78,  99.90, -11.75,  -0.17,
02/10 07Z,   0.20, -12.64,  99.90, -12.60,  -0.16,
02/10 08Z,   0.20, -13.74,  99.90, -13.69,  -0.15,
02/10 09Z,   0.10, -14.75,  99.90, -14.79,  -0.14,
02/10 10Z,   0.00, -15.36,  99.90, -15.48,  -0.13,  (min)
02/10 11Z,   0.10, -15.21,  99.90, -15.23,  -0.11,
02/10 12Z,   0.10, -14.20,  99.90, -14.21,  -0.11,
02/10 13Z,   0.10, -12.67,  99.90, -12.68,  -0.11,
02/10 14Z,   0.10, -11.07,  99.90, -11.08,  -0.11,
02/10 15Z,   0.20,  -9.67,  99.90,  -9.59,  -0.11,
02/10 16Z,   0.20,  -8.78,  99.90,  -8.69,  -0.11,  (max)
02/10 17Z,   0.10,  -8.71,  99.90,  -8.72,  -0.11,
02/10 18Z,   0.20,  -9.52,  99.90,  -9.44,  -0.11,
02/10 19Z,   0.30, -11.01,  99.90, -10.82,  -0.11,
02/10 20Z,   0.40, -12.82,  99.90, -12.53,  -0.11,
02/10 21Z,   0.50, -14.65,  99.90, -14.26,  -0.11,
02/10 22Z,   0.60, -16.30,  99.90, -15.81,  -0.11,
02/10 23Z,   0.70, -17.51,  99.90, -16.93,  -0.11,
02/11 00Z,   0.60, -18.00,  99.90, -17.51,  -0.11,  (min)
02/11 01Z,   0.40, -17.76,  99.90, -17.47,  -0.11,
02/11 02Z,   0.30, -17.03,  99.90, -16.84,  -0.11,
02/11 03Z,   0.20, -15.90,  99.90, -15.81,  -0.11,
02/11 04Z,   0.20, -14.49,  99.90, -14.41,  -0.11,
02/11 05Z,   0.20, -13.17,  99.90, -13.09,  -0.11,
02/11 06Z,   0.40, -12.30,  99.90, -12.01,  -0.11,
02/11 07Z,   0.60, -12.00,  99.90, -11.51,  -0.11,  (max)
02/11 08Z,   0.70, -12.20,  99.90, -11.62,  -0.11,
02/11 09Z,   0.80, -12.73,  99.90, -12.04,  -0.11,
02/11 10Z,   0.70, -13.39,  99.90, -12.81,  -0.11,
02/11 11Z,   0.60, -13.96,  99.90, -13.47,  -0.11,
02/11 12Z,   0.60, -14.06,  99.90, -13.58,  -0.11,  (min)
02/11 13Z,   0.60, -13.54,  99.90, -13.05,  -0.11,
02/11 14Z,   0.60, -12.60,  99.90, -12.12,  -0.11,
02/11 15Z,   0.50, -11.52,  99.90, -11.14,  -0.11,
02/11 16Z,   0.60, -10.43,  99.90,  -9.94,  -0.11,
02/11 17Z,   0.70,  -9.61,  99.90,  -9.02,  -0.11,
02/11 18Z,   0.70,  -9.38,  99.90,  -8.80,  -0.11,  (max)
02/11 19Z,   0.60,  -9.86,  99.90,  -9.37,  -0.11,
02/11 20Z,   0.50, -10.91,  99.90, -10.53,  -0.11,
02/11 21Z,   0.40, -12.35,  99.90, -12.06,  -0.11,
02/11 22Z,   0.30, -14.00,  99.90, -13.81,  -0.11,
02/11 23Z,   0.20, -15.74,  99.90, -15.65,  -0.11,
02/12 00Z,   0.00, -17.27,  99.90, -17.39,  -0.11,
02/12 01Z,   0.00, -18.22,  99.90, -18.33,  -0.11,
02/12 02Z,  -0.10, -18.46,  99.90, -18.68,  -0.11,  (min)
02/12 03Z,   0.00, -18.06,  99.90, -18.18,  -0.11,
02/12 04Z,   0.00, -16.97,  99.90, -17.09,  -0.11,
02/12 05Z,   0.00, -15.33,  99.90, -15.45,  -0.11,
02/12 06Z,   0.10, -13.59,  99.90, -13.60,  -0.11,
02/12 07Z,   0.20, -12.17,  99.90, -12.09,  -0.11,
02/12 08Z,   0.20, -11.35,  99.90, -11.26,  -0.11,
02/12 09Z,   0.10, -11.15,  99.90, -11.17,  -0.11,  (max)
02/12 10Z,   0.10, -11.53,  99.90, -11.54,  -0.11,
02/12 11Z,   0.10, -12.35,  99.90, -12.36,  -0.11,
02/12 12Z,   0.20, -13.31,  99.90, -13.22,  -0.11,
02/12 13Z,   0.10, -13.91,  99.90, -13.93,  -0.11,  (min)
02/12 14Z,   0.10, -13.89,  99.90, -13.90,  -0.11,
02/12 15Z,   0.10, -13.32,  99.90, -13.33,  -0.11,
02/12 16Z,   0.10, -12.33,  99.90, -12.35,  -0.11,
02/12 17Z,   0.10, -11.07,  99.90, -11.08,  -0.11,
02/12 18Z,   0.20,  -9.91,  99.90,  -9.83,  -0.11,
02/12 19Z,   0.40,  -9.28,  99.90,  -9.00,  -0.11,
02/12 20Z,   0.60,  -9.38,  99.90,  -8.89,  -0.11,  (max)
02/12 21Z,   0.80, -10.19,  99.90,  -9.51,  -0.11,
02/12 22Z,   0.80, -11.62,  99.90, -10.93,  -0.11,
02/12 23Z,   0.90, -13.54,  99.90, -12.76,  -0.11,
02/13 00Z,   0.80, -15.78,  99.90, -15.10,  -0.11,
02/13 01Z,   0.70, -17.87,  99.90, -17.29,  -0.11,
02/13 02Z,   0.60, -19.27,  99.90, -18.78,  -0.11,
02/13 03Z,   0.50, -19.74,  99.90, -19.36,  -0.11,  (min)
02/13 04Z,   0.60, -19.24,  99.90, -18.76,  -0.11,
02/13 05Z,   0.60, -17.73,  99.90, -17.24,  -0.11,
02/13 06Z,   0.70, -15.47,  99.90, -14.89,  -0.11,
02/13 07Z,   0.80, -13.10,  99.90, -12.42,  -0.11,
02/13 08Z,   0.80, -11.18,  99.90, -10.49,  -0.11,
02/13 09Z,   0.70, -10.06,  99.90,  -9.48,  -0.11,
02/13 10Z,   0.60,  -9.88,  99.90,  -9.39,  -0.11,  (max)
02/13 11Z,   0.40, -10.59,  99.90, -10.30,  -0.11,
02/13 12Z,   0.20, -11.99,  99.90, -11.91,  -0.11,
02/13 13Z,   0.00, -13.61,  99.90, -13.73,  -0.11,
02/13 14Z,   0.00, -14.75,  99.90, -14.86,  -0.11,
02/13 15Z,  -0.10, -14.99,  99.90, -15.21,  -0.11,  (min)
02/13 16Z,  -0.20, -14.38,  99.90, -14.69,  -0.11,
02/13 17Z,  -0.30, -13.02,  99.90, -13.43,  -0.11,
02/13 18Z,  -0.20, -11.19,  99.90, -11.51,  -0.11,