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 : 07/10/2026 17:22:51 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/09 00Z,  -0.10, -17.93, -17.70,  99.90,   0.33,  (min)
07/09 01Z,  -0.10, -15.87, -15.85,  99.90,   0.12,
07/09 02Z,  -0.20, -13.15, -13.30,  99.90,   0.05,
07/09 03Z,  -0.20, -10.40, -10.68,  99.90,  -0.08,
07/09 04Z,  -0.20,  -8.12,  -8.47,  99.90,  -0.15,
07/09 05Z,  -0.20,  -6.83,  -7.27,  99.90,  -0.24,  (max)
07/09 06Z,  -0.20,  -6.95,  -7.48,  99.90,  -0.33,
07/09 07Z,  -0.20,  -8.50,  -8.99,  99.90,  -0.29,
07/09 08Z,  -0.20, -11.13, -11.39,  99.90,  -0.06,
07/09 09Z,  -0.20, -14.26, -14.47,  99.90,  -0.01,
07/09 10Z,  -0.20, -17.29, -17.63,  99.90,  -0.14,
07/09 11Z,  -0.20, -19.66, -19.93,  99.90,  -0.07,
07/09 12Z,  -0.20, -20.81, -20.83,  99.90,   0.18,  (min)
07/09 13Z,  -0.20, -20.47, -20.50,  99.90,   0.17,
07/09 14Z,  -0.20, -18.92, -19.06,  99.90,   0.06,
07/09 15Z,  -0.20, -16.69, -16.94,  99.90,  -0.05,
07/09 16Z,  -0.20, -14.24, -14.45,  99.90,  -0.01,
07/09 17Z,  -0.20, -12.04, -12.20,  99.90,   0.04,
07/09 18Z,  -0.20, -10.70, -10.92,  99.90,  -0.02,
07/09 19Z,  -0.20, -10.53, -10.69,  99.90,   0.04,  (max)
07/09 20Z,  -0.20, -11.48, -11.64,  99.90,   0.04,
07/09 21Z,  -0.20, -13.21, -13.41,  99.90,  -0.00,
07/09 22Z,  -0.20, -15.17, -15.37,  99.90,  -0.00,
07/09 23Z,  -0.30, -16.83, -17.05,  99.90,   0.08,
07/10 00Z,  -0.20, -17.64, -17.87,  99.90,  -0.03,  (min)
07/10 01Z,  -0.20, -17.12, -17.34,  99.90,  -0.02,
07/10 02Z,  -0.30, -15.32, -15.60,  99.90,   0.02,
07/10 03Z,  -0.30, -12.80, -13.17,  99.90,  -0.07,
07/10 04Z,  -0.30, -10.13, -10.58,  99.90,  -0.15,
07/10 05Z,  -0.40,  -7.82,  -8.40,  99.90,  -0.18,
07/10 06Z,  -0.30,  -6.48,  -7.10,  99.90,  -0.32,  (max)
07/10 07Z,  -0.30,  -6.57,  -7.19,  99.90,  -0.32,
07/10 08Z,  -0.20,  -8.12,  99.90,  99.90,  99.90,
07/10 09Z,  -0.20, -10.84, -11.24,  99.90,  -0.20,
07/10 10Z,  -0.20, -14.17, -14.50,  99.90,  -0.13,
07/10 11Z,  -0.20, -17.55, -17.89,  99.90,  -0.14,
07/10 12Z,  -0.20, -20.37, -20.56,  99.90,   0.01,
07/10 13Z,  -0.20, -21.94, -22.00,  99.90,   0.14,  (min)
07/10 14Z,  -0.30, -21.90, -21.95,  99.90,   0.25,
07/10 15Z,  -0.30, -20.45, -20.64,  99.90,   0.11,
07/10 16Z,  -0.30, -18.05, -18.34,  99.90,   0.01,
07/10 17Z,  -0.30, -15.16, -15.49,  99.90,  -0.03,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/10 18Z,  -0.30, -12.40,  99.90, -12.72,  -0.02,
07/10 19Z,  -0.30, -10.46,  99.90, -10.77,  -0.02,
07/10 20Z,  -0.20,  -9.76,  99.90,  -9.97,  -0.01,  (max)
07/10 21Z,  -0.10, -10.35,  99.90, -10.45,  -0.00,
07/10 22Z,  -0.10, -11.92,  99.90, -12.01,   0.00,
07/10 23Z,  -0.10, -13.99,  99.90, -14.08,   0.01,
07/11 00Z,  -0.10, -15.99,  99.90, -16.07,   0.02,
07/11 01Z,  -0.10, -17.21,  99.90, -17.29,   0.02,  (min)
07/11 02Z,  -0.20, -17.04,  99.90, -17.21,   0.03,
07/11 03Z,  -0.20, -15.45,  99.90, -15.61,   0.04,
07/11 04Z,  -0.20, -12.93,  99.90, -13.09,   0.04,
07/11 05Z,  -0.20, -10.06,  99.90, -10.21,   0.05,
07/11 06Z,  -0.20,  -7.46,  99.90,  -7.61,   0.05,
07/11 07Z,  -0.10,  -5.88,  99.90,  -5.93,   0.05,
07/11 08Z,  -0.10,  -5.82,  99.90,  -5.87,   0.05,  (max)
07/11 09Z,   0.00,  -7.38,  99.90,  -7.33,   0.05,
07/11 10Z,   0.00, -10.28,  99.90, -10.23,   0.05,
07/11 11Z,   0.00, -14.01,  99.90, -13.96,   0.05,
07/11 12Z,   0.00, -17.96,  99.90, -17.91,   0.05,
07/11 13Z,   0.00, -21.39,  99.90, -21.34,   0.05,
07/11 14Z,  -0.10, -23.43,  99.90, -23.48,   0.05,
07/11 15Z,  -0.20, -23.59,  99.90, -23.74,   0.05,  (min)
07/11 16Z,  -0.20, -22.03,  99.90, -22.18,   0.05,
07/11 17Z,  -0.20, -19.19,  99.90, -19.34,   0.05,
07/11 18Z,  -0.20, -15.63,  99.90, -15.78,   0.05,
07/11 19Z,  -0.10, -12.17,  99.90, -12.22,   0.05,
07/11 20Z,   0.00,  -9.63,  99.90,  -9.58,   0.05,
07/11 21Z,   0.00,  -8.53,  99.90,  -8.48,   0.05,  (max)
07/11 22Z,   0.00,  -8.96,  99.90,  -8.91,   0.05,
07/11 23Z,   0.00, -10.68,  99.90, -10.63,   0.05,
07/12 00Z,   0.00, -13.18,  99.90, -13.13,   0.05,
07/12 01Z,   0.00, -15.77,  99.90, -15.72,   0.05,
07/12 02Z,   0.00, -17.52,  99.90, -17.47,   0.05,
07/12 03Z,   0.00, -17.64,  99.90, -17.59,   0.05,  (min)
07/12 04Z,   0.00, -16.07,  99.90, -16.02,   0.05,
07/12 05Z,   0.00, -13.30,  99.90, -13.25,   0.05,
07/12 06Z,   0.00,  -9.98,  99.90,  -9.93,   0.05,
07/12 07Z,   0.00,  -6.92,  99.90,  -6.87,   0.05,
07/12 08Z,   0.00,  -5.00,  99.90,  -4.95,   0.05,
07/12 09Z,   0.00,  -4.79,  99.90,  -4.74,   0.05,  (max)
07/12 10Z,   0.00,  -6.43,  99.90,  -6.38,   0.05,
07/12 11Z,   0.00,  -9.68,  99.90,  -9.63,   0.05,
07/12 12Z,   0.00, -14.00,  99.90, -13.95,   0.05,
07/12 13Z,   0.00, -18.67,  99.90, -18.62,   0.05,
07/12 14Z,   0.00, -22.74,  99.90, -22.69,   0.05,
07/12 15Z,  -0.10, -25.13,  99.90, -25.18,   0.05,
07/12 16Z,  -0.10, -25.26,  99.90, -25.31,   0.05,  (min)
07/12 17Z,  -0.10, -23.31,  99.90, -23.36,   0.05,
07/12 18Z,   0.00, -19.80,  99.90, -19.75,   0.05,
07/12 19Z,   0.00, -15.48,  99.90, -15.43,   0.05,
07/12 20Z,   0.00, -11.35,  99.90, -11.30,   0.05,
07/12 21Z,   0.00,  -8.35,  99.90,  -8.30,   0.05,
07/12 22Z,   0.00,  -7.06,  99.90,  -7.01,   0.05,  (max)
07/12 23Z,   0.00,  -7.63,  99.90,  -7.58,   0.05,
07/13 00Z,   0.10,  -9.80,  99.90,  -9.65,   0.05,
07/13 01Z,   0.10, -12.98,  99.90, -12.83,   0.05,
07/13 02Z,   0.00, -16.27,  99.90, -16.22,   0.05,
07/13 03Z,   0.00, -18.47,  99.90, -18.42,   0.05,
07/13 04Z,  -0.10, -18.70,  99.90, -18.75,   0.05,  (min)
07/13 05Z,  -0.10, -16.89,  99.90, -16.94,   0.05,
07/13 06Z,  -0.10, -13.64,  99.90, -13.69,   0.05,
07/13 07Z,   0.00,  -9.73,  99.90,  -9.68,   0.05,
07/13 08Z,   0.00,  -6.17,  99.90,  -6.12,   0.05,
07/13 09Z,   0.00,  -3.95,  99.90,  -3.90,   0.05,
07/13 10Z,   0.00,  -3.69,  99.90,  -3.64,   0.05,  (max)
07/13 11Z,   0.00,  -5.56,  99.90,  -5.51,   0.05,
07/13 12Z,   0.00,  -9.31,  99.90,  -9.26,   0.05,
07/13 13Z,  -0.10, -14.34,  99.90, -14.39,   0.05,
07/13 14Z,  -0.20, -19.75,  99.90, -19.90,   0.05,
07/13 15Z,  -0.30, -24.30,  99.90, -24.55,   0.05,
07/13 16Z,  -0.40, -26.76,  99.90, -27.11,   0.05,  (min)
07/13 17Z,  -0.40, -26.57,  99.90, -26.92,   0.05,
07/13 18Z,  -0.40, -23.99,  99.90, -24.34,   0.05,
07/13 19Z,  -0.30, -19.72,  99.90, -19.97,   0.05,
07/13 20Z,  -0.20, -14.67,  99.90, -14.82,   0.05,
07/13 21Z,  -0.20, -10.03,  99.90, -10.18,   0.05,
07/13 22Z,  -0.20,  -6.82,  99.90,  -6.97,   0.05,
07/13 23Z,  -0.10,  -5.64,  99.90,  -5.69,   0.05,  (max)
07/14 00Z,  -0.20,  -6.65,  99.90,  -6.80,   0.05,
07/14 01Z,  -0.20,  -9.52,  99.90,  -9.67,   0.05,
07/14 02Z,  -0.40, -13.48,  99.90, -13.83,   0.05,
07/14 03Z,  -0.50, -17.38,  99.90, -17.83,   0.05,
07/14 04Z,  -0.60, -19.82,  99.90, -20.37,   0.05,  (min)
07/14 05Z,  -0.50, -19.87,  99.90, -20.32,   0.05,
07/14 06Z,  -0.50, -17.60,  99.90, -18.05,   0.05,
07/14 07Z,  -0.40, -13.75,  99.90, -14.10,   0.05,
07/14 08Z,  -0.30,  -9.27,  99.90,  -9.52,   0.05,
07/14 09Z,  -0.20,  -5.30,  99.90,  -5.45,   0.05,
07/14 10Z,  -0.20,  -2.94,  99.90,  -3.09,   0.05,
07/14 11Z,  -0.20,  -2.81,  99.90,  -2.96,   0.05,  (max)
07/14 12Z,  -0.30,  -5.08,  99.90,  -5.33,   0.05,