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 : 07/22/2026 23:22:50 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/21 06Z,   0.70,   7.00,   6.09,  99.90,  -1.61,
07/21 07Z,   0.70,   4.66,   3.94,  99.90,  -1.42,
07/21 08Z,   0.60,   2.85,   2.12,  99.90,  -1.33,
07/21 09Z,   0.60,   2.06,   1.17,  99.90,  -1.49,  (min)
07/21 10Z,   0.60,   2.42,   1.38,  99.90,  -1.64,
07/21 11Z,   0.60,   3.64,   2.61,  99.90,  -1.63,
07/21 12Z,   0.60,   5.20,   4.30,  99.90,  -1.50,
07/21 13Z,   0.50,   6.64,   5.80,  99.90,  -1.34,
07/21 14Z,   0.50,   7.72,   6.76,  99.90,  -1.46,
07/21 15Z,   0.40,   8.29,   7.21,  99.90,  -1.48,  (max)
07/21 16Z,   0.30,   8.22,   7.15,  99.90,  -1.37,
07/21 17Z,   0.40,   7.42,   6.51,  99.90,  -1.31,
07/21 18Z,   0.50,   6.02,   5.32,  99.90,  -1.20,
07/21 19Z,   0.50,   4.43,   3.83,  99.90,  -1.10,
07/21 20Z,   0.50,   3.19,   2.51,  99.90,  -1.18,
07/21 21Z,   0.50,   2.79,   2.01,  99.90,  -1.28,  (min)
07/21 22Z,   0.50,   3.44,   2.59,  99.90,  -1.35,
07/21 23Z,   0.50,   4.94,   4.07,  99.90,  -1.37,
07/22 00Z,   0.60,   6.82,   5.88,  99.90,  -1.54,
07/22 01Z,   0.50,   8.61,   7.59,  99.90,  -1.52,
07/22 02Z,   0.50,  10.01,   8.90,  99.90,  -1.61,
07/22 03Z,   0.50,  10.85,   9.65,  99.90,  -1.70,
07/22 04Z,   0.50,  10.98,   9.75,  99.90,  -1.73,  (max)
07/22 05Z,   0.50,  10.26,   9.11,  99.90,  -1.65,
07/22 06Z,   0.50,   8.74,   7.68,  99.90,  -1.56,
07/22 07Z,   0.50,   6.69,   5.79,  99.90,  -1.40,
07/22 08Z,   0.50,   4.62,   3.82,  99.90,  -1.30,
07/22 09Z,   0.50,   3.05,   2.21,  99.90,  -1.34,
07/22 10Z,   0.50,   2.35,   1.41,  99.90,  -1.44,  (min)
07/22 11Z,   0.60,   2.55,   1.50,  99.90,  -1.65,
07/22 12Z,   0.50,   3.41,   2.44,  99.90,  -1.47,
07/22 13Z,   0.50,   4.57,   3.58,  99.90,  -1.49,
07/22 14Z,   0.40,   5.74,   4.75,  99.90,  -1.39,
07/22 15Z,   0.40,   6.76,   5.69,  99.90,  -1.47,
07/22 16Z,   0.40,   7.45,   6.34,  99.90,  -1.51,
07/22 17Z,   0.40,   7.60,   6.48,  99.90,  -1.52,  (max)
07/22 18Z,   0.50,   7.12,   6.06,  99.90,  -1.56,
07/22 19Z,   0.60,   6.15,   5.23,  99.90,  -1.52,
07/22 20Z,   0.60,   5.06,   4.16,  99.90,  -1.50,
07/22 21Z,   0.60,   4.30,   3.40,  99.90,  -1.50,
07/22 22Z,   0.50,   4.18,   3.20,  99.90,  -1.48,  (min)
07/22 23Z,   0.50,   4.81,   3.69,  99.90,  -1.62,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/23 00Z,   0.40,   6.01,  99.90,   4.80,  -1.60,
07/23 01Z,   0.30,   7.45,  99.90,   6.17,  -1.59,
07/23 02Z,   0.20,   8.84,  99.90,   7.47,  -1.57,
07/23 03Z,   0.20,   9.97,  99.90,   8.61,  -1.56,
07/23 04Z,   0.30,  10.65,  99.90,   9.41,  -1.54,
07/23 05Z,   0.40,  10.69,  99.90,   9.56,  -1.53,  (max)
07/23 06Z,   0.50,   9.93,  99.90,   8.92,  -1.51,
07/23 07Z,   0.60,   8.45,  99.90,   7.56,  -1.50,
07/23 08Z,   0.70,   6.56,  99.90,   5.78,  -1.48,
07/23 09Z,   0.70,   4.68,  99.90,   3.91,  -1.47,
07/23 10Z,   0.60,   3.22,  99.90,   2.37,  -1.45,
07/23 11Z,   0.60,   2.43,  99.90,   1.59,  -1.44,
07/23 12Z,   0.50,   2.38,  99.90,   1.44,  -1.44,  (min)
07/23 13Z,   0.60,   2.93,  99.90,   2.09,  -1.44,
07/23 14Z,   0.60,   3.88,  99.90,   3.04,  -1.44,
07/23 15Z,   0.60,   5.03,  99.90,   4.19,  -1.44,
07/23 16Z,   0.70,   6.17,  99.90,   5.43,  -1.44,
07/23 17Z,   0.80,   7.06,  99.90,   6.42,  -1.44,
07/23 18Z,   0.90,   7.43,  99.90,   6.89,  -1.44,  (max)
07/23 19Z,   0.90,   7.23,  99.90,   6.69,  -1.44,
07/23 20Z,   0.90,   6.60,  99.90,   6.06,  -1.44,
07/23 21Z,   1.00,   5.85,  99.90,   5.41,  -1.44,
07/23 22Z,   1.10,   5.31,  99.90,   4.98,  -1.44,
07/23 23Z,   1.10,   5.21,  99.90,   4.87,  -1.44,  (min)
07/24 00Z,   1.10,   5.62,  99.90,   5.28,  -1.44,
07/24 01Z,   1.00,   6.50,  99.90,   6.06,  -1.44,
07/24 02Z,   1.00,   7.66,  99.90,   7.22,  -1.44,
07/24 03Z,   0.90,   8.88,  99.90,   8.34,  -1.44,
07/24 04Z,   0.90,   9.94,  99.90,   9.40,  -1.44,
07/24 05Z,   0.90,  10.59,  99.90,  10.05,  -1.44,  (max)
07/24 06Z,   0.90,  10.58,  99.90,  10.04,  -1.44,
07/24 07Z,   1.00,   9.80,  99.90,   9.36,  -1.44,
07/24 08Z,   1.00,   8.35,  99.90,   7.91,  -1.44,
07/24 09Z,   1.10,   6.54,  99.90,   6.20,  -1.44,
07/24 10Z,   1.10,   4.71,  99.90,   4.37,  -1.44,
07/24 11Z,   1.00,   3.16,  99.90,   2.72,  -1.44,
07/24 12Z,   0.90,   2.17,  99.90,   1.63,  -1.44,
07/24 13Z,   0.80,   1.89,  99.90,   1.25,  -1.44,  (min)
07/24 14Z,   0.80,   2.32,  99.90,   1.68,  -1.44,
07/24 15Z,   0.70,   3.32,  99.90,   2.58,  -1.44,
07/24 16Z,   0.70,   4.66,  99.90,   3.92,  -1.44,
07/24 17Z,   0.70,   6.03,  99.90,   5.29,  -1.44,
07/24 18Z,   0.70,   7.11,  99.90,   6.37,  -1.44,
07/24 19Z,   0.80,   7.66,  99.90,   7.02,  -1.44,  (max)
07/24 20Z,   0.80,   7.63,  99.90,   6.99,  -1.44,
07/24 21Z,   0.80,   7.18,  99.90,   6.54,  -1.44,
07/24 22Z,   0.80,   6.55,  99.90,   5.91,  -1.44,
07/24 23Z,   0.80,   5.97,  99.90,   5.33,  -1.44,
07/25 00Z,   0.80,   5.68,  99.90,   5.04,  -1.44,  (min)
07/25 01Z,   0.70,   5.85,  99.90,   5.11,  -1.44,
07/25 02Z,   0.70,   6.55,  99.90,   5.81,  -1.44,
07/25 03Z,   0.70,   7.66,  99.90,   6.92,  -1.44,
07/25 04Z,   0.60,   8.94,  99.90,   8.10,  -1.44,
07/25 05Z,   0.60,  10.07,  99.90,   9.23,  -1.44,
07/25 06Z,   0.60,  10.73,  99.90,   9.89,  -1.44,  (max)
07/25 07Z,   0.60,  10.67,  99.90,   9.83,  -1.44,
07/25 08Z,   0.60,   9.83,  99.90,   8.99,  -1.44,
07/25 09Z,   0.70,   8.35,  99.90,   7.61,  -1.44,
07/25 10Z,   0.70,   6.47,  99.90,   5.73,  -1.44,
07/25 11Z,   0.60,   4.49,  99.90,   3.65,  -1.44,
07/25 12Z,   0.60,   2.73,  99.90,   1.89,  -1.44,
07/25 13Z,   0.50,   1.55,  99.90,   0.61,  -1.44,
07/25 14Z,   0.50,   1.22,  99.90,   0.28,  -1.44,  (min)
07/25 15Z,   0.40,   1.80,  99.90,   0.76,  -1.44,
07/25 16Z,   0.50,   3.08,  99.90,   2.14,  -1.44,
07/25 17Z,   0.60,   4.72,  99.90,   3.88,  -1.44,
07/25 18Z,   0.70,   6.32,  99.90,   5.58,  -1.44,
07/25 19Z,   0.80,   7.54,  99.90,   6.90,  -1.44,
07/25 20Z,   0.90,   8.15,  99.90,   7.61,  -1.44,
07/25 21Z,   0.90,   8.16,  99.90,   7.62,  -1.44,  (max)
07/25 22Z,   0.90,   7.69,  99.90,   7.15,  -1.44,
07/25 23Z,   0.90,   6.92,  99.90,   6.38,  -1.44,
07/26 00Z,   0.80,   6.11,  99.90,   5.47,  -1.44,
07/26 01Z,   0.80,   5.58,  99.90,   4.94,  -1.44,  (min)
07/26 02Z,   0.80,   5.65,  99.90,   5.01,  -1.44,
07/26 03Z,   0.80,   6.42,  99.90,   5.78,  -1.44,
07/26 04Z,   0.90,   7.71,  99.90,   7.17,  -1.44,
07/26 05Z,   0.90,   9.18,  99.90,   8.64,  -1.44,
07/26 06Z,   1.00,  10.41,  99.90,   9.97,  -1.44,
07/26 07Z,   1.10,  11.06,  99.90,  10.72,  -1.44,  (max)
07/26 08Z,   1.10,  10.90,  99.90,  10.56,  -1.44,
07/26 09Z,   1.10,   9.93,  99.90,   9.59,  -1.44,
07/26 10Z,   1.10,   8.27,  99.90,   7.93,  -1.44,
07/26 11Z,   1.00,   6.15,  99.90,   5.71,  -1.44,
07/26 12Z,   0.90,   3.88,  99.90,   3.34,  -1.44,
07/26 13Z,   0.80,   1.90,  99.90,   1.26,  -1.44,
07/26 14Z,   0.70,   0.70,  99.90,  -0.04,  -1.44,
07/26 15Z,   0.60,   0.59,  99.90,  -0.25,  -1.44,  (min)
07/26 16Z,   0.60,   1.55,  99.90,   0.71,  -1.44,
07/26 17Z,   0.60,   3.24,  99.90,   2.40,  -1.44,
07/26 18Z,   0.70,   5.19,  99.90,   4.45,  -1.44,