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 : 10/16/2026 14:24:09 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/14 18Z,   0.50, -11.82, -12.97,  99.90,  -1.65,  (min)
10/14 19Z,   0.50, -10.83, -12.06,  99.90,  -1.73,
10/14 20Z,   0.60,  -8.76, -10.05,  99.90,  -1.89,
10/14 21Z,   0.60,  -6.30,  -7.64,  99.90,  -1.94,
10/14 22Z,   0.60,  -4.22,  -5.53,  99.90,  -1.91,
10/14 23Z,   0.60,  -3.07,  -4.31,  99.90,  -1.84,
10/15 00Z,   0.70,  -3.06,  -4.19,  99.90,  -1.83,  (max)
10/15 01Z,   0.70,  -4.14,  -5.10,  99.90,  -1.66,
10/15 02Z,   0.50,  -6.12,  -6.95,  99.90,  -1.33,
10/15 03Z,   0.40,  -8.72,  -9.44,  99.90,  -1.12,
10/15 04Z,   0.30, -11.48, -12.24,  99.90,  -1.06,
10/15 05Z,   0.50, -13.83, -14.52,  99.90,  -1.19,
10/15 06Z,   0.60, -15.21, -15.85,  99.90,  -1.24,
10/15 07Z,   0.70, -15.20, -15.93,  99.90,  -1.43,  (min)
10/15 08Z,   0.90, -13.83, -14.65,  99.90,  -1.72,
10/15 09Z,   1.00, -11.57, -12.36,  99.90,  -1.79,
10/15 10Z,   1.10,  -9.15,  -9.97,  99.90,  -1.92,
10/15 11Z,   1.20,  -7.22,  -7.88,  99.90,  -1.86,
10/15 12Z,   1.40,  -6.08,  -6.64,  99.90,  -1.96,
10/15 13Z,   1.40,  -5.80,  -6.15,  99.90,  -1.75,  (max)
10/15 14Z,   1.50,  -6.29,  -6.58,  99.90,  -1.79,
10/15 15Z,   1.40,  -7.40,  -7.65,  99.90,  -1.65,
10/15 16Z,   1.50,  -8.84,  -9.03,  99.90,  -1.69,
10/15 17Z,   1.50, -10.19, -10.20,  99.90,  -1.51,
10/15 18Z,   2.20, -10.96, -10.73,  99.90,  -1.97,  (min)
10/15 19Z,   2.10, -10.76, -10.59,  99.90,  -1.93,
10/15 20Z,   1.90,  -9.50,  -9.57,  99.90,  -1.97,
10/15 21Z,   1.80,  -7.54,  -7.85,  99.90,  -2.11,
10/15 22Z,   2.00,  -5.53,  -6.20,  99.90,  -2.67,
10/15 23Z,   2.20,  -4.12,  -4.72,  99.90,  -2.80,
10/16 00Z,   2.00,  -3.64,  -4.05,  99.90,  -2.41,  (max)
10/16 01Z,   1.70,  -4.11,  -4.32,  99.90,  -1.91,
10/16 02Z,   1.60,  -5.40,  -5.64,  99.90,  -1.84,
10/16 03Z,   1.40,  -7.32,  -7.67,  99.90,  -1.75,
10/16 04Z,   1.30,  -9.60, -10.06,  99.90,  -1.76,
10/16 05Z,   1.20, -11.88, -12.27,  99.90,  -1.59,
10/16 06Z,   1.50, -13.66, -13.95,  99.90,  -1.79,
10/16 07Z,   1.30, -14.49, -14.66,  99.90,  -1.47,  (min)
10/16 08Z,   1.10, -14.12, -14.28,  99.90,  -1.26,
10/16 09Z,   0.90, -12.68, -12.97,  99.90,  -1.19,
10/16 10Z,   0.90, -10.71, -11.17,  99.90,  -1.36,
10/16 11Z,   1.00,  -8.83,  -9.35,  99.90,  -1.52,
10/16 12Z,   1.30,  -7.46,  -7.97,  99.90,  -1.81,
10/16 13Z,   1.60,  -6.74,  -7.09,  99.90,  -1.95,
10/16 14Z,   1.80,  -6.63,  -6.84,  99.90,  -2.01,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/16 15Z,   1.80,  -7.06,  99.90,  -7.25,  -1.99,
10/16 16Z,   1.90,  -7.92,  99.90,  -7.98,  -1.96,
10/16 17Z,   1.90,  -8.98,  99.90,  -9.02,  -1.94,
10/16 18Z,   1.80,  -9.88,  99.90, -10.01,  -1.92,
10/16 19Z,   1.60, -10.24,  99.90, -10.54,  -1.90,  (min)
10/16 20Z,   1.50,  -9.76,  99.90, -10.14,  -1.88,
10/16 21Z,   1.30,  -8.50,  99.90,  -9.06,  -1.86,
10/16 22Z,   1.30,  -6.85,  99.90,  -7.39,  -1.84,
10/16 23Z,   1.20,  -5.40,  99.90,  -6.02,  -1.82,
10/17 00Z,   1.20,  -4.60,  99.90,  -5.20,  -1.80,
10/17 01Z,   1.20,  -4.56,  99.90,  -5.14,  -1.78,  (max)
10/17 02Z,   1.10,  -5.21,  99.90,  -5.87,  -1.76,
10/17 03Z,   1.10,  -6.42,  99.90,  -7.07,  -1.76,
10/17 04Z,   1.10,  -8.07,  99.90,  -8.73,  -1.76,
10/17 05Z,   1.20,  -9.98,  99.90, -10.53,  -1.76,
10/17 06Z,   1.30, -11.81,  99.90, -12.27,  -1.76,
10/17 07Z,   1.30, -13.16,  99.90, -13.61,  -1.76,
10/17 08Z,   1.30, -13.65,  99.90, -14.10,  -1.76,  (min)
10/17 09Z,   1.20, -13.15,  99.90, -13.71,  -1.76,
10/17 10Z,   1.10, -11.89,  99.90, -12.55,  -1.76,
10/17 11Z,   1.10, -10.35,  99.90, -11.00,  -1.76,
10/17 12Z,   1.00,  -8.97,  99.90,  -9.73,  -1.76,
10/17 13Z,   1.10,  -7.99,  99.90,  -8.65,  -1.76,
10/17 14Z,   1.10,  -7.42,  99.90,  -8.08,  -1.76,
10/17 15Z,   1.20,  -7.23,  99.90,  -7.79,  -1.76,  (max)
10/17 16Z,   1.30,  -7.44,  99.90,  -7.90,  -1.76,
10/17 17Z,   1.40,  -8.02,  99.90,  -8.38,  -1.76,
10/17 18Z,   1.50,  -8.78,  99.90,  -9.04,  -1.76,
10/17 19Z,   1.50,  -9.41,  99.90,  -9.66,  -1.76,
10/17 20Z,   1.60,  -9.55,  99.90,  -9.70,  -1.76,  (min)
10/17 21Z,   1.60,  -9.04,  99.90,  -9.19,  -1.76,
10/17 22Z,   1.50,  -7.99,  99.90,  -8.24,  -1.76,
10/17 23Z,   1.50,  -6.79,  99.90,  -7.04,  -1.76,
10/18 00Z,   1.50,  -5.86,  99.90,  -6.12,  -1.76,
10/18 01Z,   1.40,  -5.45,  99.90,  -5.81,  -1.76,  (max)
10/18 02Z,   1.30,  -5.54,  99.90,  -6.00,  -1.76,
10/18 03Z,   1.20,  -6.07,  99.90,  -6.62,  -1.76,
10/18 04Z,   1.10,  -7.01,  99.90,  -7.66,  -1.76,
10/18 05Z,   1.00,  -8.35,  99.90,  -9.10,  -1.76,
10/18 06Z,   1.00,  -9.94,  99.90, -10.70,  -1.76,
10/18 07Z,   0.90, -11.47,  99.90, -12.33,  -1.76,
10/18 08Z,   1.00, -12.57,  99.90, -13.32,  -1.76,
10/18 09Z,   1.00, -12.94,  99.90, -13.69,  -1.76,  (min)
10/18 10Z,   1.20, -12.54,  99.90, -13.09,  -1.76,
10/18 11Z,   1.30, -11.59,  99.90, -12.04,  -1.76,
10/18 12Z,   1.30, -10.45,  99.90, -10.90,  -1.76,
10/18 13Z,   1.20,  -9.39,  99.90,  -9.94,  -1.76,
10/18 14Z,   1.00,  -8.50,  99.90,  -9.26,  -1.76,
10/18 15Z,   0.80,  -7.80,  99.90,  -8.76,  -1.76,
10/18 16Z,   0.60,  -7.38,  99.90,  -8.54,  -1.76,
10/18 17Z,   0.60,  -7.37,  99.90,  -8.52,  -1.76,  (max)
10/18 18Z,   0.60,  -7.78,  99.90,  -8.93,  -1.76,
10/18 19Z,   0.60,  -8.41,  99.90,  -9.57,  -1.76,
10/18 20Z,   0.70,  -8.96,  99.90, -10.01,  -1.76,
10/18 21Z,   0.80,  -9.12,  99.90, -10.07,  -1.76,  (min)
10/18 22Z,   0.90,  -8.79,  99.90,  -9.64,  -1.76,
10/18 23Z,   0.80,  -8.09,  99.90,  -9.05,  -1.76,
10/19 00Z,   0.70,  -7.31,  99.90,  -8.37,  -1.76,
10/19 01Z,   0.70,  -6.70,  99.90,  -7.76,  -1.76,
10/19 02Z,   0.60,  -6.36,  99.90,  -7.52,  -1.76,  (max)
10/19 03Z,   0.50,  -6.28,  99.90,  -7.54,  -1.76,
10/19 04Z,   0.50,  -6.50,  99.90,  -7.76,  -1.76,
10/19 05Z,   0.50,  -7.14,  99.90,  -8.40,  -1.76,
10/19 06Z,   0.50,  -8.26,  99.90,  -9.51,  -1.76,
10/19 07Z,   0.60,  -9.68,  99.90, -10.84,  -1.76,
10/19 08Z,   0.70, -11.08,  99.90, -12.14,  -1.76,
10/19 09Z,   0.70, -12.12,  99.90, -13.18,  -1.76,
10/19 10Z,   0.70, -12.56,  99.90, -13.62,  -1.76,  (min)
10/19 11Z,   0.60, -12.38,  99.90, -13.53,  -1.76,
10/19 12Z,   0.60, -11.71,  99.90, -12.87,  -1.76,
10/19 13Z,   0.50, -10.78,  99.90, -12.04,  -1.76,
10/19 14Z,   0.50,  -9.73,  99.90, -10.99,  -1.76,
10/19 15Z,   0.50,  -8.65,  99.90,  -9.90,  -1.76,
10/19 16Z,   0.60,  -7.67,  99.90,  -8.82,  -1.76,
10/19 17Z,   0.60,  -7.02,  99.90,  -8.18,  -1.76,
10/19 18Z,   0.60,  -6.93,  99.90,  -8.08,  -1.76,  (max)
10/19 19Z,   0.60,  -7.36,  99.90,  -8.51,  -1.76,
10/19 20Z,   0.60,  -8.08,  99.90,  -9.23,  -1.76,
10/19 21Z,   0.70,  -8.76,  99.90,  -9.82,  -1.76,
10/19 22Z,   0.70,  -9.15,  99.90, -10.20,  -1.76,  (min)
10/19 23Z,   0.80,  -9.14,  99.90, -10.09,  -1.76,
10/20 00Z,   0.80,  -8.78,  99.90,  -9.74,  -1.76,
10/20 01Z,   0.80,  -8.23,  99.90,  -9.19,  -1.76,
10/20 02Z,   0.90,  -7.62,  99.90,  -8.48,  -1.76,
10/20 03Z,   0.90,  -7.03,  99.90,  -7.89,  -1.76,
10/20 04Z,   1.00,  -6.58,  99.90,  -7.34,  -1.76,
10/20 05Z,   1.00,  -6.48,  99.90,  -7.23,  -1.76,  (max)
10/20 06Z,   1.10,  -6.93,  99.90,  -7.59,  -1.76,