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 : 05/11/2026 02:21:59 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/09 06Z,   1.20,  -8.56,  -9.22,  99.90,  -1.86,
05/09 07Z,   1.30,  -9.52, -10.13,  99.90,  -1.91,
05/09 08Z,   1.20, -10.21, -10.67,  99.90,  -1.66,
05/09 09Z,   1.20, -10.31, -10.75,  99.90,  -1.64,  (min)
05/09 10Z,   1.20,  -9.75, -10.20,  99.90,  -1.65,
05/09 11Z,   1.20,  -8.74,  -9.21,  99.90,  -1.67,
05/09 12Z,   1.40,  -7.69,  -8.11,  99.90,  -1.82,
05/09 13Z,   1.40,  -6.92,  -7.30,  99.90,  -1.78,
05/09 14Z,   1.40,  -6.58,  -6.88,  99.90,  -1.70,
05/09 15Z,   1.40,  -6.66,  -6.88,  99.90,  -1.62,  (max)
05/09 16Z,   1.40,  -7.21,  -7.36,  99.90,  -1.55,
05/09 17Z,   1.30,  -8.28,  -8.44,  99.90,  -1.46,
05/09 18Z,   1.40,  -9.83, -10.02,  99.90,  -1.59,
05/09 19Z,   1.40, -11.57, -11.82,  99.90,  -1.65,
05/09 20Z,   1.50, -13.08, -13.32,  99.90,  -1.74,
05/09 21Z,   1.50, -13.94, -14.14,  99.90,  -1.70,  (min)
05/09 22Z,   1.50, -13.94, -14.08,  99.90,  -1.64,
05/09 23Z,   1.50, -13.16, -13.38,  99.90,  -1.72,
05/10 00Z,   1.50, -11.89, -12.24,  99.90,  -1.85,
05/10 01Z,   1.50, -10.47, -10.88,  99.90,  -1.91,
05/10 02Z,   1.50,  -9.13,  -9.50,  99.90,  -1.87,
05/10 03Z,   1.50,  -8.01,  -8.28,  99.90,  -1.77,
05/10 04Z,   1.50,  -7.24,  -7.44,  99.90,  -1.70,
05/10 05Z,   1.50,  -7.01,  -7.17,  99.90,  -1.66,  (max)
05/10 06Z,   1.50,  -7.44,  -7.66,  99.90,  -1.72,
05/10 07Z,   1.40,  -8.39,  -8.61,  99.90,  -1.62,
05/10 08Z,   1.40,  -9.48,  -9.58,  99.90,  -1.50,
05/10 09Z,   1.40, -10.30, -10.24,  99.90,  -1.34,
05/10 10Z,   1.40, -10.56, -10.50,  99.90,  -1.34,  (min)
05/10 11Z,   1.50, -10.22, -10.28,  99.90,  -1.56,
05/10 12Z,   1.50,  -9.47,  -9.66,  99.90,  -1.69,
05/10 13Z,   1.30,  -8.59,  -8.87,  99.90,  -1.58,
05/10 14Z,   1.20,  -7.81,  -8.05,  99.90,  -1.44,
05/10 15Z,   1.20,  -7.26,  -7.31,  99.90,  -1.25,
05/10 16Z,   1.30,  -7.06,  -7.04,  99.90,  -1.28,  (max)
05/10 17Z,   1.40,  -7.35,  -7.39,  99.90,  -1.44,
05/10 18Z,   1.30,  -8.28,  -8.39,  99.90,  -1.41,
05/10 19Z,   1.20,  -9.75,  -9.90,  99.90,  -1.35,
05/10 20Z,   1.20, -11.43, -11.56,  99.90,  -1.33,
05/10 21Z,   1.30, -12.85, -12.89,  99.90,  -1.34,
05/10 22Z,   1.40, -13.66, -13.74,  99.90,  -1.48,
05/10 23Z,   1.60, -13.67, -13.92,  99.90,  -1.85,  (min)
05/11 00Z,   1.60, -12.96, -13.51,  99.90,  -2.15,
05/11 01Z,   1.70, -11.71, -12.49,  99.90,  -2.48,
05/11 02Z,   1.50, -10.20, -11.03,  99.90,  -2.33,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/11 03Z,   1.40,  -8.67,  99.90,  -9.54,  -2.27,
05/11 04Z,   1.20,  -7.34,  99.90,  -8.36,  -2.22,
05/11 05Z,   1.10,  -6.48,  99.90,  -7.55,  -2.16,
05/11 06Z,   1.00,  -6.37,  99.90,  -7.48,  -2.11,  (max)
05/11 07Z,   0.80,  -7.05,  99.90,  -8.31,  -2.06,
05/11 08Z,   0.70,  -8.31,  99.90,  -9.61,  -2.00,
05/11 09Z,   0.80,  -9.70,  99.90, -10.85,  -1.95,
05/11 10Z,   0.90, -10.80,  99.90, -11.80,  -1.89,
05/11 11Z,   0.90, -11.35,  99.90, -12.29,  -1.84,  (min)
05/11 12Z,   0.90, -11.26,  99.90, -12.14,  -1.79,
05/11 13Z,   0.80, -10.62,  99.90, -11.55,  -1.73,
05/11 14Z,   0.70,  -9.64,  99.90, -10.62,  -1.68,
05/11 15Z,   0.60,  -8.56,  99.90,  -9.63,  -1.68,
05/11 16Z,   0.60,  -7.61,  99.90,  -8.69,  -1.68,
05/11 17Z,   0.50,  -7.06,  99.90,  -8.24,  -1.68,  (max)
05/11 18Z,   0.50,  -7.17,  99.90,  -8.35,  -1.68,
05/11 19Z,   0.50,  -8.05,  99.90,  -9.23,  -1.68,
05/11 20Z,   0.50,  -9.53,  99.90, -10.71,  -1.68,
05/11 21Z,   0.50, -11.22,  99.90, -12.40,  -1.68,
05/11 22Z,   0.50, -12.66,  99.90, -13.84,  -1.68,
05/11 23Z,   0.30, -13.51,  99.90, -14.89,  -1.68,
05/12 00Z,   0.20, -13.57,  99.90, -15.05,  -1.68,  (min)
05/12 01Z,   0.20, -12.82,  99.90, -14.30,  -1.68,
05/12 02Z,   0.20, -11.39,  99.90, -12.87,  -1.68,
05/12 03Z,   0.20,  -9.58,  99.90, -11.06,  -1.68,
05/12 04Z,   0.10,  -7.73,  99.90,  -9.31,  -1.68,
05/12 05Z,   0.10,  -6.24,  99.90,  -7.82,  -1.68,
05/12 06Z,   0.10,  -5.46,  99.90,  -7.04,  -1.68,  (max)
05/12 07Z,   0.10,  -5.65,  99.90,  -7.23,  -1.68,
05/12 08Z,   0.20,  -6.77,  99.90,  -8.25,  -1.68,
05/12 09Z,   0.30,  -8.47,  99.90,  -9.85,  -1.68,
05/12 10Z,   0.40, -10.30,  99.90, -11.58,  -1.68,
05/12 11Z,   0.40, -11.81,  99.90, -13.08,  -1.68,
05/12 12Z,   0.50, -12.67,  99.90, -13.85,  -1.68,
05/12 13Z,   0.50, -12.70,  99.90, -13.88,  -1.68,  (min)
05/12 14Z,   0.40, -11.92,  99.90, -13.20,  -1.68,
05/12 15Z,   0.40, -10.56,  99.90, -11.84,  -1.68,
05/12 16Z,   0.40,  -8.97,  99.90, -10.25,  -1.68,
05/12 17Z,   0.40,  -7.57,  99.90,  -8.85,  -1.68,
05/12 18Z,   0.50,  -6.74,  99.90,  -7.92,  -1.68,  (max)
05/12 19Z,   0.50,  -6.77,  99.90,  -7.95,  -1.68,
05/12 20Z,   0.60,  -7.68,  99.90,  -8.76,  -1.68,
05/12 21Z,   0.70,  -9.24,  99.90, -10.22,  -1.68,
05/12 22Z,   0.90, -11.02,  99.90, -11.80,  -1.68,
05/12 23Z,   1.00, -12.58,  99.90, -13.26,  -1.68,
05/13 00Z,   1.10, -13.51,  99.90, -14.09,  -1.68,
05/13 01Z,   1.00, -13.54,  99.90, -14.22,  -1.68,  (min)
05/13 02Z,   1.00, -12.56,  99.90, -13.24,  -1.68,
05/13 03Z,   0.90, -10.75,  99.90, -11.53,  -1.68,
05/13 04Z,   0.80,  -8.52,  99.90,  -9.39,  -1.68,
05/13 05Z,   0.70,  -6.40,  99.90,  -7.37,  -1.68,
05/13 06Z,   0.80,  -4.89,  99.90,  -5.77,  -1.68,
05/13 07Z,   0.90,  -4.40,  99.90,  -5.18,  -1.68,  (max)
05/13 08Z,   1.10,  -5.05,  99.90,  -5.63,  -1.68,
05/13 09Z,   1.30,  -6.72,  99.90,  -7.10,  -1.68,
05/13 10Z,   1.40,  -8.98,  99.90,  -9.26,  -1.68,
05/13 11Z,   1.30, -11.34,  99.90, -11.72,  -1.68,
05/13 12Z,   1.20, -13.28,  99.90, -13.76,  -1.68,
05/13 13Z,   1.00, -14.35,  99.90, -15.03,  -1.68,
05/13 14Z,   0.90, -14.28,  99.90, -15.06,  -1.68,  (min)
05/13 15Z,   0.90, -13.09,  99.90, -13.87,  -1.68,
05/13 16Z,   0.90, -11.14,  99.90, -11.92,  -1.68,
05/13 17Z,   1.00,  -9.00,  99.90,  -9.67,  -1.68,
05/13 18Z,   1.10,  -7.21,  99.90,  -7.79,  -1.68,
05/13 19Z,   1.20,  -6.22,  99.90,  -6.70,  -1.68,  (max)
05/13 20Z,   1.20,  -6.25,  99.90,  -6.72,  -1.68,
05/13 21Z,   1.20,  -7.26,  99.90,  -7.74,  -1.68,
05/13 22Z,   1.10,  -8.97,  99.90,  -9.55,  -1.68,
05/13 23Z,   1.10, -10.93,  99.90, -11.51,  -1.68,
05/14 00Z,   1.00, -12.64,  99.90, -13.32,  -1.68,
05/14 01Z,   0.90, -13.60,  99.90, -14.38,  -1.68,  (min)
05/14 02Z,   0.90, -13.43,  99.90, -14.21,  -1.68,
05/14 03Z,   0.90, -12.04,  99.90, -12.81,  -1.68,
05/14 04Z,   0.90,  -9.72,  99.90, -10.50,  -1.68,
05/14 05Z,   0.90,  -7.10,  99.90,  -7.88,  -1.68,
05/14 06Z,   0.90,  -4.86,  99.90,  -5.64,  -1.68,
05/14 07Z,   0.90,  -3.55,  99.90,  -4.32,  -1.68,
05/14 08Z,   0.90,  -3.48,  99.90,  -4.26,  -1.68,  (max)
05/14 09Z,   0.90,  -4.70,  99.90,  -5.48,  -1.68,
05/14 10Z,   0.90,  -6.99,  99.90,  -7.77,  -1.68,
05/14 11Z,   0.90,  -9.87,  99.90, -10.65,  -1.68,
05/14 12Z,   0.90, -12.77,  99.90, -13.55,  -1.68,
05/14 13Z,   0.80, -15.04,  99.90, -15.92,  -1.68,
05/14 14Z,   0.80, -16.11,  99.90, -16.98,  -1.68,  (min)
05/14 15Z,   0.80, -15.67,  99.90, -16.55,  -1.68,
05/14 16Z,   0.80, -13.88,  99.90, -14.76,  -1.68,
05/14 17Z,   0.80, -11.31,  99.90, -12.19,  -1.68,
05/14 18Z,   0.80,  -8.69,  99.90,  -9.57,  -1.68,