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 : 08/16/2026 22:22:43 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/15 06Z,   0.90, -14.97, -16.34,  99.90,  -2.27,  (min)
08/15 07Z,   0.90, -13.01, -14.36,  99.90,  -2.25,
08/15 08Z,   0.80,  -9.96, -11.37,  99.90,  -2.21,
08/15 09Z,   0.80,  -6.75,  -8.30,  99.90,  -2.35,
08/15 10Z,   0.70,  -4.17,  -5.81,  99.90,  -2.34,
08/15 11Z,   0.70,  -2.76,  -4.31,  99.90,  -2.25,
08/15 12Z,   0.80,  -2.81,  -4.28,  99.90,  -2.27,  (max)
08/15 13Z,   0.70,  -4.38,  -5.82,  99.90,  -2.14,
08/15 14Z,   0.60,  -7.25,  -8.77,  99.90,  -2.12,
08/15 15Z,   0.60, -10.84, -12.28,  99.90,  -2.04,
08/15 16Z,   0.50, -14.27, -15.61,  99.90,  -1.84,
08/15 17Z,   0.50, -16.59, -17.81,  99.90,  -1.72,
08/15 18Z,   0.70, -17.06, -18.35,  99.90,  -1.99,  (min)
08/15 19Z,   0.70, -15.54, -16.84,  99.90,  -2.00,
08/15 20Z,   0.70, -12.57, -14.01,  99.90,  -2.14,
08/15 21Z,   0.70,  -9.06, -10.48,  99.90,  -2.12,
08/15 22Z,   0.70,  -5.90,  -7.26,  99.90,  -2.06,
08/15 23Z,   0.70,  -3.71,  -4.98,  99.90,  -1.97,
08/16 00Z,   0.80,  -2.84,  -4.18,  99.90,  -2.14,  (max)
08/16 01Z,   0.70,  -3.45,  -4.85,  99.90,  -2.10,
08/16 02Z,   0.60,  -5.44,  -6.99,  99.90,  -2.15,
08/16 03Z,   0.60,  -8.41,  -9.93,  99.90,  -2.12,
08/16 04Z,   0.60, -11.65, -13.03,  99.90,  -1.98,
08/16 05Z,   0.60, -14.25, -15.57,  99.90,  -1.92,
08/16 06Z,   0.70, -15.40, -16.67,  99.90,  -1.97,  (min)
08/16 07Z,   0.70, -14.72, -16.05,  99.90,  -2.03,
08/16 08Z,   0.70, -12.50, -13.98,  99.90,  -2.18,
08/16 09Z,   0.70,  -9.49, -11.01,  99.90,  -2.22,
08/16 10Z,   0.80,  -6.60,  -8.14,  99.90,  -2.34,
08/16 11Z,   0.80,  -4.51,  -5.92,  99.90,  -2.21,
08/16 12Z,   0.70,  -3.61,  -4.90,  99.90,  -1.99,  (max)
08/16 13Z,   0.70,  -4.05,  -5.41,  99.90,  -2.06,
08/16 14Z,   0.80,  -5.81,  -7.20,  99.90,  -2.19,
08/16 15Z,   0.70,  -8.57,  -9.85,  99.90,  -1.98,
08/16 16Z,   0.70, -11.72, -12.90,  99.90,  -1.88,
08/16 17Z,   0.60, -14.44, -15.54,  99.90,  -1.70,
08/16 18Z,   0.70, -15.89, -16.90,  99.90,  -1.71,  (min)
08/16 19Z,   0.80, -15.57, -16.68,  99.90,  -1.91,
08/16 20Z,   0.80, -13.55, -14.77,  99.90,  -2.02,
08/16 21Z,   0.80, -10.48, -11.67,  99.90,  -1.99,
08/16 22Z,   0.80,  -7.29,  -8.45,  99.90,  -1.96,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/16 23Z,   0.70,  -4.74,  99.90,  -6.00,  -1.96,
08/17 00Z,   0.60,  -3.28,  99.90,  -4.64,  -1.96,
08/17 01Z,   0.50,  -3.12,  99.90,  -4.57,  -1.95,  (max)
08/17 02Z,   0.60,  -4.27,  99.90,  -5.62,  -1.95,
08/17 03Z,   0.70,  -6.55,  99.90,  -7.80,  -1.95,
08/17 04Z,   0.90,  -9.51,  99.90, -10.55,  -1.94,
08/17 05Z,   1.10, -12.44,  99.90, -13.28,  -1.94,
08/17 06Z,   1.20, -14.53,  99.90, -15.27,  -1.94,
08/17 07Z,   1.20, -15.15,  99.90, -15.88,  -1.93,  (min)
08/17 08Z,   1.20, -14.11,  99.90, -14.84,  -1.93,
08/17 09Z,   1.10, -11.83,  99.90, -12.65,  -1.93,
08/17 10Z,   1.20,  -9.11,  99.90,  -9.83,  -1.92,
08/17 11Z,   1.20,  -6.74,  99.90,  -7.46,  -1.92,
08/17 12Z,   1.30,  -5.22,  99.90,  -5.85,  -1.92,
08/17 13Z,   1.20,  -4.78,  99.90,  -5.51,  -1.92,  (max)
08/17 14Z,   1.00,  -5.47,  99.90,  -6.39,  -1.92,
08/17 15Z,   0.80,  -7.17,  99.90,  -8.30,  -1.92,
08/17 16Z,   0.80,  -9.57,  99.90, -10.69,  -1.92,
08/17 17Z,   0.80, -12.09,  99.90, -13.21,  -1.92,
08/17 18Z,   0.80, -14.00,  99.90, -15.12,  -1.92,
08/17 19Z,   0.80, -14.64,  99.90, -15.76,  -1.92,  (min)
08/17 20Z,   0.90, -13.70,  99.90, -14.72,  -1.92,
08/17 21Z,   1.00, -11.45,  99.90, -12.37,  -1.92,
08/17 22Z,   0.90,  -8.60,  99.90,  -9.63,  -1.92,
08/17 23Z,   0.80,  -6.00,  99.90,  -7.12,  -1.92,
08/18 00Z,   0.70,  -4.20,  99.90,  -5.42,  -1.92,
08/18 01Z,   0.60,  -3.46,  99.90,  -4.79,  -1.92,  (max)
08/18 02Z,   0.60,  -3.85,  99.90,  -5.18,  -1.92,
08/18 03Z,   0.60,  -5.31,  99.90,  -6.63,  -1.92,
08/18 04Z,   0.60,  -7.61,  99.90,  -8.94,  -1.92,
08/18 05Z,   0.60, -10.33,  99.90, -11.65,  -1.92,
08/18 06Z,   0.60, -12.81,  99.90, -14.13,  -1.92,
08/18 07Z,   0.60, -14.36,  99.90, -15.69,  -1.92,
08/18 08Z,   0.60, -14.53,  99.90, -15.85,  -1.92,  (min)
08/18 09Z,   0.70, -13.31,  99.90, -14.53,  -1.92,
08/18 10Z,   0.80, -11.22,  99.90, -12.34,  -1.92,
08/18 11Z,   0.80,  -8.99,  99.90, -10.12,  -1.92,
08/18 12Z,   0.80,  -7.23,  99.90,  -8.36,  -1.92,
08/18 13Z,   0.70,  -6.23,  99.90,  -7.45,  -1.92,
08/18 14Z,   0.60,  -6.08,  99.90,  -7.40,  -1.92,  (max)
08/18 15Z,   0.40,  -6.77,  99.90,  -8.30,  -1.92,
08/18 16Z,   0.40,  -8.21,  99.90,  -9.73,  -1.92,
08/18 17Z,   0.40, -10.09,  99.90, -11.62,  -1.92,
08/18 18Z,   0.50, -11.91,  99.90, -13.34,  -1.92,
08/18 19Z,   0.60, -13.06,  99.90, -14.38,  -1.92,  (min)
08/18 20Z,   0.70, -13.04,  99.90, -14.27,  -1.92,
08/18 21Z,   0.70, -11.76,  99.90, -12.98,  -1.92,
08/18 22Z,   0.70,  -9.60,  99.90, -10.82,  -1.92,
08/18 23Z,   0.60,  -7.26,  99.90,  -8.58,  -1.92,
08/19 00Z,   0.50,  -5.37,  99.90,  -6.79,  -1.92,
08/19 01Z,   0.50,  -4.28,  99.90,  -5.70,  -1.92,
08/19 02Z,   0.50,  -4.08,  99.90,  -5.50,  -1.92,  (max)
08/19 03Z,   0.50,  -4.76,  99.90,  -6.18,  -1.92,
08/19 04Z,   0.50,  -6.27,  99.90,  -7.69,  -1.92,
08/19 05Z,   0.50,  -8.40,  99.90,  -9.83,  -1.92,
08/19 06Z,   0.50, -10.75,  99.90, -12.18,  -1.92,
08/19 07Z,   0.60, -12.75,  99.90, -14.07,  -1.92,
08/19 08Z,   0.60, -13.84,  99.90, -15.16,  -1.92,  (min)
08/19 09Z,   0.60, -13.73,  99.90, -15.06,  -1.92,
08/19 10Z,   0.50, -12.58,  99.90, -14.01,  -1.92,
08/19 11Z,   0.40, -10.89,  99.90, -12.42,  -1.92,
08/19 12Z,   0.40,  -9.25,  99.90, -10.77,  -1.92,
08/19 13Z,   0.30,  -8.02,  99.90,  -9.64,  -1.92,
08/19 14Z,   0.30,  -7.33,  99.90,  -8.96,  -1.92,
08/19 15Z,   0.30,  -7.23,  99.90,  -8.85,  -1.92,  (max)
08/19 16Z,   0.30,  -7.73,  99.90,  -9.35,  -1.92,
08/19 17Z,   0.30,  -8.78,  99.90, -10.40,  -1.92,
08/19 18Z,   0.40, -10.11,  99.90, -11.63,  -1.92,
08/19 19Z,   0.50, -11.29,  99.90, -12.71,  -1.92,
08/19 20Z,   0.50, -11.82,  99.90, -13.25,  -1.92,  (min)
08/19 21Z,   0.50, -11.42,  99.90, -12.84,  -1.92,
08/19 22Z,   0.40, -10.11,  99.90, -11.63,  -1.92,
08/19 23Z,   0.30,  -8.32,  99.90,  -9.94,  -1.92,
08/20 00Z,   0.20,  -6.60,  99.90,  -8.33,  -1.92,
08/20 01Z,   0.20,  -5.37,  99.90,  -7.10,  -1.92,
08/20 02Z,   0.20,  -4.77,  99.90,  -6.50,  -1.92,  (max)
08/20 03Z,   0.20,  -4.83,  99.90,  -6.55,  -1.92,
08/20 04Z,   0.20,  -5.55,  99.90,  -7.28,  -1.92,
08/20 05Z,   0.20,  -6.94,  99.90,  -8.66,  -1.92,
08/20 06Z,   0.30,  -8.80,  99.90, -10.43,  -1.92,
08/20 07Z,   0.40, -10.77,  99.90, -12.29,  -1.92,
08/20 08Z,   0.40, -12.36,  99.90, -13.88,  -1.92,
08/20 09Z,   0.40, -13.16,  99.90, -14.68,  -1.92,  (min)
08/20 10Z,   0.50, -13.03,  99.90, -14.46,  -1.92,
08/20 11Z,   0.50, -12.17,  99.90, -13.60,  -1.92,
08/20 12Z,   0.40, -10.99,  99.90, -12.51,  -1.92,
08/20 13Z,  99.90,  -9.84,  99.90,  99.90,  -1.92,
08/20 14Z,  99.90,  -8.92,  99.90,  99.90,  -1.92,
08/20 15Z,  99.90,  -8.28,  99.90,  99.90,  -1.92,
08/20 16Z,  99.90,  -8.01,  99.90,  99.90,  -1.92,
08/20 17Z,  99.90,  -8.21,  99.90,  99.90,  -1.92,
08/20 18Z,  99.90,  -8.86,  99.90,  99.90,  -1.92,