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 : 09/13/2026 05:23:53 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/11 12Z,   0.20,  -5.90,  -7.31,  99.90,  -1.61,
09/11 13Z,   0.10,  -9.38, -10.75,  99.90,  -1.47,
09/11 14Z,   0.00, -13.01, -14.39,  99.90,  -1.38,
09/11 15Z,   0.10, -15.80, -17.21,  99.90,  -1.51,
09/11 16Z,   0.20, -16.87, -18.39,  99.90,  -1.72,  (min)
09/11 17Z,   0.30, -15.91, -17.42,  99.90,  -1.81,
09/11 18Z,   0.20, -13.28, -14.70,  99.90,  -1.62,
09/11 19Z,   0.20,  -9.83, -11.25,  99.90,  -1.62,
09/11 20Z,   0.20,  -6.47,  -7.88,  99.90,  -1.61,
09/11 21Z,   0.40,  -3.91,  -5.29,  99.90,  -1.78,
09/11 22Z,   0.50,  -2.62,  -4.04,  99.90,  -1.92,  (max)
09/11 23Z,   0.50,  -2.85,  -4.29,  99.90,  -1.94,
09/12 00Z,   0.40,  -4.61,  -6.10,  99.90,  -1.89,
09/12 01Z,   0.30,  -7.59,  -9.08,  99.90,  -1.79,
09/12 02Z,   0.20, -11.10, -12.52,  99.90,  -1.62,
09/12 03Z,   0.20, -14.17, -15.56,  99.90,  -1.59,
09/12 04Z,   0.30, -15.85, -17.28,  99.90,  -1.73,  (min)
09/12 05Z,   0.30, -15.58, -17.12,  99.90,  -1.84,
09/12 06Z,   0.40, -13.50, -15.07,  99.90,  -1.97,
09/12 07Z,   0.40, -10.33, -11.71,  99.90,  -1.78,
09/12 08Z,   0.50,  -7.01,  -8.35,  99.90,  -1.84,
09/12 09Z,   0.50,  -4.32,  -5.71,  99.90,  -1.89,
09/12 10Z,   0.50,  -2.80,  -4.23,  99.90,  -1.93,
09/12 11Z,   0.50,  -2.75,  -4.10,  99.90,  -1.85,  (max)
09/12 12Z,   0.40,  -4.25,  -5.57,  99.90,  -1.72,
09/12 13Z,   0.40,  -7.05,  -8.35,  99.90,  -1.70,
09/12 14Z,   0.40, -10.55, -11.70,  99.90,  -1.55,
09/12 15Z,   0.40, -13.84, -15.06,  99.90,  -1.62,
09/12 16Z,   0.50, -15.95, -17.26,  99.90,  -1.81,
09/12 17Z,   0.50, -16.16, -17.53,  99.90,  -1.87,  (min)
09/12 18Z,   0.50, -14.43, -15.77,  99.90,  -1.84,
09/12 19Z,   0.60, -11.33, -12.56,  99.90,  -1.83,
09/12 20Z,   0.60,  -7.83,  -9.06,  99.90,  -1.83,
09/12 21Z,   0.70,  -4.78,  -5.97,  99.90,  -1.89,
09/12 22Z,   0.70,  -2.81,  -4.04,  99.90,  -1.93,
09/12 23Z,   0.70,  -2.26,  -3.49,  99.90,  -1.93,  (max)
09/13 00Z,   0.60,  -3.27,  -4.53,  99.90,  -1.86,
09/13 01Z,   0.60,  -5.70,  -6.96,  99.90,  -1.86,
09/13 02Z,   0.60,  -9.07, -10.33,  99.90,  -1.86,
09/13 03Z,   0.60, -12.59, -13.87,  99.90,  -1.88,
09/13 04Z,   0.70, -15.29, -16.64,  99.90,  -2.05,
09/13 05Z,   0.70, -16.33, -17.71,  99.90,  -2.08,  (min)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/13 06Z,   0.70, -15.41,  99.90, -16.76,  -2.06,
09/13 07Z,   0.60, -12.87,  99.90, -14.31,  -2.04,
09/13 08Z,   0.60,  -9.58,  99.90, -10.99,  -2.02,
09/13 09Z,   0.60,  -6.44,  99.90,  -7.84,  -2.00,
09/13 10Z,   0.60,  -4.16,  99.90,  -5.54,  -1.98,
09/13 11Z,   0.50,  -3.15,  99.90,  -4.61,  -1.96,  (max)
09/13 12Z,   0.60,  -3.60,  99.90,  -4.94,  -1.94,
09/13 13Z,   0.60,  -5.45,  99.90,  -6.77,  -1.92,
09/13 14Z,   0.70,  -8.32,  99.90,  -9.52,  -1.90,
09/13 15Z,   0.70, -11.53,  99.90, -12.71,  -1.88,
09/13 16Z,   0.70, -14.18,  99.90, -15.35,  -1.86,
09/13 17Z,   0.80, -15.43,  99.90, -16.47,  -1.84,  (min)
09/13 18Z,   0.80, -14.80,  99.90, -15.85,  -1.84,
09/13 19Z,   0.80, -12.49,  99.90, -13.53,  -1.84,
09/13 20Z,   0.70,  -9.23,  99.90, -10.38,  -1.84,
09/13 21Z,   0.70,  -6.00,  99.90,  -7.14,  -1.84,
09/13 22Z,   0.70,  -3.55,  99.90,  -4.69,  -1.84,
09/13 23Z,   0.70,  -2.35,  99.90,  -3.49,  -1.84,  (max)
09/14 00Z,   0.70,  -2.61,  99.90,  -3.75,  -1.84,
09/14 01Z,   0.60,  -4.30,  99.90,  -5.54,  -1.84,
09/14 02Z,   0.60,  -7.14,  99.90,  -8.38,  -1.84,
09/14 03Z,   0.60, -10.56,  99.90, -11.81,  -1.84,
09/14 04Z,   0.60, -13.75,  99.90, -14.99,  -1.84,
09/14 05Z,   0.60, -15.83,  99.90, -17.07,  -1.84,
09/14 06Z,   0.70, -16.17,  99.90, -17.31,  -1.84,  (min)
09/14 07Z,   0.70, -14.68,  99.90, -15.83,  -1.84,
09/14 08Z,   0.80, -11.92,  99.90, -12.96,  -1.84,
09/14 09Z,   0.80,  -8.77,  99.90,  -9.81,  -1.84,
09/14 10Z,   0.90,  -6.07,  99.90,  -7.01,  -1.84,
09/14 11Z,   0.90,  -4.37,  99.90,  -5.31,  -1.84,
09/14 12Z,   0.90,  -3.92,  99.90,  -4.86,  -1.84,  (max)
09/14 13Z,   0.80,  -4.78,  99.90,  -5.82,  -1.84,
09/14 14Z,   0.80,  -6.76,  99.90,  -7.80,  -1.84,
09/14 15Z,   0.70,  -9.42,  99.90, -10.56,  -1.84,
09/14 16Z,   0.60, -12.07,  99.90, -13.32,  -1.84,
09/14 17Z,   0.60, -13.93,  99.90, -15.17,  -1.84,
09/14 18Z,   0.50, -14.31,  99.90, -15.66,  -1.84,  (min)
09/14 19Z,   0.50, -13.01,  99.90, -14.35,  -1.84,
09/14 20Z,   0.60, -10.40,  99.90, -11.65,  -1.84,
09/14 21Z,   0.70,  -7.32,  99.90,  -8.47,  -1.84,
09/14 22Z,   0.70,  -4.65,  99.90,  -5.79,  -1.84,
09/14 23Z,   0.80,  -2.98,  99.90,  -4.03,  -1.84,
09/15 00Z,   0.80,  -2.61,  99.90,  -3.65,  -1.84,  (max)
09/15 01Z,   0.80,  -3.55,  99.90,  -4.59,  -1.84,
09/15 02Z,   0.70,  -5.67,  99.90,  -6.81,  -1.84,
09/15 03Z,   0.60,  -8.60,  99.90,  -9.84,  -1.84,
09/15 04Z,   0.50, -11.74,  99.90, -13.09,  -1.84,
09/15 05Z,   0.50, -14.37,  99.90, -15.71,  -1.84,
09/15 06Z,   0.50, -15.74,  99.90, -17.08,  -1.84,  (min)
09/15 07Z,   0.50, -15.45,  99.90, -16.79,  -1.84,
09/15 08Z,   0.50, -13.61,  99.90, -14.96,  -1.84,
09/15 09Z,   0.60, -10.90,  99.90, -12.14,  -1.84,
09/15 10Z,   0.60,  -8.16,  99.90,  -9.40,  -1.84,
09/15 11Z,   0.60,  -6.07,  99.90,  -7.31,  -1.84,
09/15 12Z,   0.70,  -4.98,  99.90,  -6.12,  -1.84,  (max)
09/15 13Z,   0.60,  -5.00,  99.90,  -6.24,  -1.84,
09/15 14Z,   0.50,  -6.05,  99.90,  -7.40,  -1.84,
09/15 15Z,   0.50,  -7.91,  99.90,  -9.25,  -1.84,
09/15 16Z,   0.50, -10.12,  99.90, -11.46,  -1.84,
09/15 17Z,   0.50, -12.08,  99.90, -13.42,  -1.84,
09/15 18Z,   0.60, -13.13,  99.90, -14.37,  -1.84,  (min)
09/15 19Z,   0.60, -12.80,  99.90, -14.04,  -1.84,
09/15 20Z,   0.60, -11.09,  99.90, -12.34,  -1.84,
09/15 21Z,   0.70,  -8.52,  99.90,  -9.67,  -1.84,
09/15 22Z,   0.70,  -5.92,  99.90,  -7.06,  -1.84,
09/15 23Z,   0.70,  -3.99,  99.90,  -5.14,  -1.84,
09/16 00Z,   0.60,  -3.14,  99.90,  -4.39,  -1.84,  (max)
09/16 01Z,   0.50,  -3.44,  99.90,  -4.79,  -1.84,
09/16 02Z,   0.50,  -4.81,  99.90,  -6.15,  -1.84,
09/16 03Z,   0.50,  -7.03,  99.90,  -8.37,  -1.84,
09/16 04Z,   0.60,  -9.74,  99.90, -10.98,  -1.84,
09/16 05Z,   0.80, -12.40,  99.90, -13.44,  -1.84,
09/16 06Z,   0.90, -14.37,  99.90, -15.32,  -1.84,
09/16 07Z,   1.00, -15.11,  99.90, -15.95,  -1.84,  (min)
09/16 08Z,   1.10, -14.38,  99.90, -15.12,  -1.84,
09/16 09Z,   1.10, -12.48,  99.90, -13.22,  -1.84,
09/16 10Z,   1.10, -10.08,  99.90, -10.83,  -1.84,
09/16 11Z,   1.00,  -7.93,  99.90,  -8.78,  -1.84,
09/16 12Z,   1.00,  -6.49,  99.90,  -7.33,  -1.84,
09/16 13Z,   1.00,  -5.91,  99.90,  -6.75,  -1.84,  (max)
09/16 14Z,   0.90,  -6.17,  99.90,  -7.11,  -1.84,
09/16 15Z,   0.90,  -7.17,  99.90,  -8.11,  -1.84,
09/16 16Z,   0.80,  -8.68,  99.90,  -9.73,  -1.84,
09/16 17Z,   0.80, -10.33,  99.90, -11.37,  -1.84,
09/16 18Z,   0.70, -11.60,  99.90, -12.74,  -1.84,
09/16 19Z,   0.60, -11.97,  99.90, -13.21,  -1.84,  (min)
09/16 20Z,   0.60, -11.18,  99.90, -12.42,  -1.84,
09/16 21Z,   0.60,  -9.38,  99.90, -10.63,  -1.84,
09/16 22Z,   0.60,  -7.15,  99.90,  -8.40,  -1.84,
09/16 23Z,   0.60,  -5.21,  99.90,  -6.46,  -1.84,
09/17 00Z,   0.60,  -4.06,  99.90,  -5.31,  -1.84,