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
#Valdez, AK : 07/19/2026 14:22:44 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/17 18Z,   0.70, -18.15, -18.59,  99.90,  -1.14,
07/17 19Z,   0.70, -17.62, -18.22,  99.90,  -1.30,  (min)
07/17 20Z,   0.70, -15.31, -15.91,  99.90,  -1.30,
07/17 21Z,   0.70, -12.00, -12.61,  99.90,  -1.31,
07/17 22Z,   0.80,  -8.59,  -9.16,  99.90,  -1.37,
07/17 23Z,   0.70,  -5.80,  -6.38,  99.90,  -1.28,
07/18 00Z,   0.90,  -4.07,  -4.73,  99.90,  -1.56,
07/18 01Z,   0.90,  -3.66,  -4.50,  99.90,  -1.74,  (max)
07/18 02Z,   0.80,  -4.63,  -5.53,  99.90,  -1.70,
07/18 03Z,   0.80,  -6.81,  -7.63,  99.90,  -1.62,
07/18 04Z,   0.80,  -9.64, -10.30,  99.90,  -1.46,
07/18 05Z,   0.80, -12.33, -12.93,  99.90,  -1.40,
07/18 06Z,   1.00, -14.01, -14.62,  99.90,  -1.61,
07/18 07Z,   1.00, -14.07, -14.80,  99.90,  -1.73,  (min)
07/18 08Z,   1.00, -12.51, -13.29,  99.90,  -1.78,
07/18 09Z,   0.90,  -9.90, -10.68,  99.90,  -1.68,
07/18 10Z,   0.90,  -7.08,  -7.85,  99.90,  -1.67,
07/18 11Z,   0.80,  -4.82,  -5.58,  99.90,  -1.56,
07/18 12Z,   0.90,  -3.56,  -4.34,  99.90,  -1.68,  (max)
07/18 13Z,   0.80,  -3.56,  -4.42,  99.90,  -1.66,
07/18 14Z,   0.70,  -4.90,  -5.81,  99.90,  -1.61,
07/18 15Z,   0.70,  -7.43,  -8.30,  99.90,  -1.57,
07/18 16Z,   0.60, -10.71, -11.42,  99.90,  -1.31,
07/18 17Z,   0.60, -13.99, -14.56,  99.90,  -1.17,
07/18 18Z,   0.70, -16.38, -17.00,  99.90,  -1.32,
07/18 19Z,   0.60, -17.14, -17.78,  99.90,  -1.24,  (min)
07/18 20Z,   0.60, -16.05, -16.77,  99.90,  -1.32,
07/18 21Z,   0.60, -13.50, -14.20,  99.90,  -1.30,
07/18 22Z,   0.70, -10.29, -11.07,  99.90,  -1.48,
07/18 23Z,   0.60,  -7.28,  -8.14,  99.90,  -1.46,
07/19 00Z,   0.60,  -5.02,  -6.05,  99.90,  -1.63,
07/19 01Z,   0.50,  -3.84,  -5.03,  99.90,  -1.69,  (max)
07/19 02Z,   0.40,  -3.89,  -5.14,  99.90,  -1.65,
07/19 03Z,   0.40,  -5.19,  -6.32,  99.90,  -1.53,
07/19 04Z,   0.40,  -7.50,  -8.52,  99.90,  -1.42,
07/19 05Z,   0.30, -10.27, -11.24,  99.90,  -1.27,
07/19 06Z,   0.40, -12.72, -13.65,  99.90,  -1.33,
07/19 07Z,   0.30, -14.07, -14.97,  99.90,  -1.20,  (min)
07/19 08Z,   0.40, -13.87, -14.73,  99.90,  -1.26,
07/19 09Z,   0.30, -12.26, -13.28,  99.90,  -1.32,
07/19 10Z,   0.30,  -9.86, -10.85,  99.90,  -1.29,
07/19 11Z,   0.40,  -7.46,  -8.43,  99.90,  -1.37,
07/19 12Z,   0.40,  -5.67,  -6.72,  99.90,  -1.45,
07/19 13Z,   0.30,  -4.79,  -5.84,  99.90,  -1.35,  (max)
07/19 14Z,   0.30,  -4.98,  -6.07,  99.90,  -1.39,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/19 15Z,   0.20,  -6.29,  99.90,  -7.48,  -1.39,
07/19 16Z,   0.20,  -8.55,  99.90,  -9.74,  -1.39,
07/19 17Z,   0.20, -11.33,  99.90, -12.52,  -1.39,
07/19 18Z,   0.30, -13.93,  99.90, -15.02,  -1.39,
07/19 19Z,   0.40, -15.56,  99.90, -16.55,  -1.39,
07/19 20Z,   0.40, -15.66,  99.90, -16.66,  -1.40,  (min)
07/19 21Z,   0.40, -14.18,  99.90, -15.18,  -1.40,
07/19 22Z,   0.30, -11.62,  99.90, -12.72,  -1.40,
07/19 23Z,   0.30,  -8.77,  99.90,  -9.88,  -1.40,
07/20 00Z,   0.20,  -6.31,  99.90,  -7.52,  -1.40,
07/20 01Z,   0.30,  -4.64,  99.90,  -5.75,  -1.41,
07/20 02Z,   0.30,  -3.95,  99.90,  -5.06,  -1.41,  (max)
07/20 03Z,   0.20,  -4.35,  99.90,  -5.56,  -1.41,
07/20 04Z,   0.10,  -5.83,  99.90,  -7.14,  -1.41,
07/20 05Z,   0.00,  -8.14,  99.90,  -9.55,  -1.41,
07/20 06Z,   0.10, -10.72,  99.90, -12.03,  -1.41,
07/20 07Z,   0.20, -12.86,  99.90, -14.07,  -1.41,
07/20 08Z,   0.30, -13.89,  99.90, -15.00,  -1.41,  (min)
07/20 09Z,   0.30, -13.53,  99.90, -14.64,  -1.41,
07/20 10Z,   0.30, -12.03,  99.90, -13.14,  -1.41,
07/20 11Z,   0.30, -10.02,  99.90, -11.12,  -1.41,
07/20 12Z,   0.30,  -8.13,  99.90,  -9.23,  -1.41,
07/20 13Z,   0.30,  -6.77,  99.90,  -7.88,  -1.41,
07/20 14Z,   0.20,  -6.14,  99.90,  -7.34,  -1.41,  (max)
07/20 15Z,   0.20,  -6.35,  99.90,  -7.56,  -1.41,
07/20 16Z,   0.20,  -7.45,  99.90,  -8.66,  -1.41,
07/20 17Z,   0.30,  -9.31,  99.90, -10.41,  -1.41,
07/20 18Z,   0.40, -11.49,  99.90, -12.50,  -1.41,
07/20 19Z,   0.40, -13.38,  99.90, -14.39,  -1.41,
07/20 20Z,   0.30, -14.31,  99.90, -15.42,  -1.41,  (min)
07/20 21Z,   0.30, -13.91,  99.90, -15.02,  -1.41,
07/20 22Z,   0.30, -12.29,  99.90, -13.40,  -1.41,
07/20 23Z,   0.40,  -9.98,  99.90, -10.99,  -1.41,
07/21 00Z,   0.50,  -7.65,  99.90,  -8.56,  -1.41,
07/21 01Z,   0.50,  -5.78,  99.90,  -6.69,  -1.41,
07/21 02Z,   0.60,  -4.61,  99.90,  -5.42,  -1.41,
07/21 03Z,   0.60,  -4.27,  99.90,  -5.08,  -1.41,  (max)
07/21 04Z,   0.60,  -4.88,  99.90,  -5.69,  -1.41,
07/21 05Z,   0.50,  -6.43,  99.90,  -7.34,  -1.41,
07/21 06Z,   0.40,  -8.63,  99.90,  -9.64,  -1.41,
07/21 07Z,   0.40, -10.97,  99.90, -11.97,  -1.41,
07/21 08Z,   0.40, -12.78,  99.90, -13.79,  -1.41,
07/21 09Z,   0.50, -13.57,  99.90, -14.48,  -1.41,  (min)
07/21 10Z,   0.60, -13.21,  99.90, -14.02,  -1.41,
07/21 11Z,   0.70, -11.99,  99.90, -12.70,  -1.41,
07/21 12Z,   0.70, -10.43,  99.90, -11.14,  -1.41,
07/21 13Z,   0.70,  -8.99,  99.90,  -9.70,  -1.41,
07/21 14Z,   0.60,  -7.91,  99.90,  -8.72,  -1.41,
07/21 15Z,   0.50,  -7.34,  99.90,  -8.24,  -1.41,  (max)
07/21 16Z,   0.50,  -7.41,  99.90,  -8.32,  -1.41,
07/21 17Z,   0.50,  -8.21,  99.90,  -9.12,  -1.41,
07/21 18Z,   0.50,  -9.61,  99.90, -10.52,  -1.41,
07/21 19Z,   0.50, -11.20,  99.90, -12.11,  -1.41,
07/21 20Z,   0.60, -12.44,  99.90, -13.25,  -1.41,
07/21 21Z,   0.60, -12.84,  99.90, -13.65,  -1.41,  (min)
07/21 22Z,   0.60, -12.19,  99.90, -13.00,  -1.41,
07/21 23Z,   0.60, -10.69,  99.90, -11.50,  -1.41,
07/22 00Z,   0.60,  -8.81,  99.90,  -9.62,  -1.41,
07/22 01Z,   0.50,  -7.02,  99.90,  -7.93,  -1.41,
07/22 02Z,   0.50,  -5.62,  99.90,  -6.53,  -1.41,
07/22 03Z,   0.60,  -4.78,  99.90,  -5.59,  -1.41,
07/22 04Z,   0.60,  -4.65,  99.90,  -5.46,  -1.41,  (max)
07/22 05Z,   0.50,  -5.37,  99.90,  -6.27,  -1.41,
07/22 06Z,   0.50,  -6.89,  99.90,  -7.80,  -1.41,
07/22 07Z,   0.60,  -8.94,  99.90,  -9.75,  -1.41,
07/22 08Z,   0.60, -11.01,  99.90, -11.82,  -1.41,
07/22 09Z,   0.60, -12.58,  99.90, -13.38,  -1.41,
07/22 10Z,   0.60, -13.28,  99.90, -14.09,  -1.41,  (min)
07/22 11Z,   0.50, -13.08,  99.90, -13.98,  -1.41,
07/22 12Z,   0.40, -12.22,  99.90, -13.23,  -1.41,
07/22 13Z,   0.30, -11.06,  99.90, -12.17,  -1.41,
07/22 14Z,   0.20,  -9.89,  99.90, -11.10,  -1.41,
07/22 15Z,   0.20,  -8.87,  99.90, -10.08,  -1.41,
07/22 16Z,   0.30,  -8.18,  99.90,  -9.29,  -1.41,
07/22 17Z,   0.30,  -8.03,  99.90,  -9.14,  -1.41,  (max)
07/22 18Z,   0.40,  -8.51,  99.90,  -9.52,  -1.41,
07/22 19Z,   0.50,  -9.48,  99.90, -10.39,  -1.41,
07/22 20Z,   0.60, -10.57,  99.90, -11.37,  -1.41,
07/22 21Z,   0.60, -11.33,  99.90, -12.14,  -1.41,
07/22 22Z,   0.50, -11.45,  99.90, -12.36,  -1.41,  (min)
07/22 23Z,   0.50, -10.82,  99.90, -11.73,  -1.41,
07/23 00Z,   0.40,  -9.62,  99.90, -10.63,  -1.41,
07/23 01Z,   0.40,  -8.18,  99.90,  -9.19,  -1.41,
07/23 02Z,   0.40,  -6.79,  99.90,  -7.80,  -1.41,
07/23 03Z,   0.40,  -5.66,  99.90,  -6.67,  -1.41,
07/23 04Z,   0.40,  -4.98,  99.90,  -5.98,  -1.41,
07/23 05Z,   0.40,  -4.94,  99.90,  -5.95,  -1.41,  (max)
07/23 06Z,   0.40,  -5.70,  99.90,  -6.70,  -1.41,