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 : 04/25/2025 23:22:54 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/24 06Z,   0.80,   9.79,   8.76,  99.90,  -1.83,
04/24 07Z,   0.70,  10.67,   9.68,  99.90,  -1.69,  (max)
04/24 08Z,   0.70,  10.42,   9.48,  99.90,  -1.64,
04/24 09Z,   0.70,   9.13,   8.28,  99.90,  -1.55,
04/24 10Z,   0.70,   7.15,   6.40,  99.90,  -1.45,
04/24 11Z,   0.70,   4.98,   4.37,  99.90,  -1.31,
04/24 12Z,   0.80,   3.16,   2.58,  99.90,  -1.38,
04/24 13Z,   0.60,   2.16,   1.56,  99.90,  -1.20,  (min)
04/24 14Z,   0.50,   2.29,   1.60,  99.90,  -1.19,
04/24 15Z,   0.50,   3.53,   2.76,  99.90,  -1.27,
04/24 16Z,   0.50,   5.52,   4.72,  99.90,  -1.30,
04/24 17Z,   0.60,   7.70,   6.92,  99.90,  -1.38,
04/24 18Z,   0.70,   9.49,   8.66,  99.90,  -1.53,
04/24 19Z,   0.60,  10.43,   9.52,  99.90,  -1.51,  (max)
04/24 20Z,   0.60,  10.26,   9.33,  99.90,  -1.53,
04/24 21Z,   0.70,   8.98,   8.06,  99.90,  -1.62,
04/24 22Z,   0.70,   6.88,   5.95,  99.90,  -1.63,
04/24 23Z,   0.90,   4.43,   3.47,  99.90,  -1.86,
04/25 00Z,   0.80,   2.20,   1.18,  99.90,  -1.82,
04/25 01Z,   0.70,   0.76,  -0.44,  99.90,  -1.90,
04/25 02Z,   0.60,   0.59,  -0.61,  99.90,  -1.80,  (min)
04/25 03Z,   0.60,   1.82,   0.67,  99.90,  -1.75,
04/25 04Z,   0.70,   4.17,   3.17,  99.90,  -1.70,
04/25 05Z,   0.90,   7.01,   6.03,  99.90,  -1.88,
04/25 06Z,   0.70,   9.62,   8.64,  99.90,  -1.68,
04/25 07Z,   0.60,  11.39,  10.35,  99.90,  -1.64,
04/25 08Z,   0.60,  11.93,  10.94,  99.90,  -1.59,  (max)
04/25 09Z,   0.70,  11.12,  10.21,  99.90,  -1.61,
04/25 10Z,   0.90,   9.14,   8.35,  99.90,  -1.69,
04/25 11Z,   1.00,   6.42,   5.73,  99.90,  -1.69,
04/25 12Z,   0.70,   3.57,   2.94,  99.90,  -1.33,
04/25 13Z,   0.60,   1.28,   0.62,  99.90,  -1.26,
04/25 14Z,   0.60,   0.19,  -0.58,  99.90,  -1.37,  (min)
04/25 15Z,   0.70,   0.65,  -0.11,  99.90,  -1.46,
04/25 16Z,   0.70,   2.51,   1.90,  99.90,  -1.31,
04/25 17Z,   0.80,   5.20,   4.59,  99.90,  -1.41,
04/25 18Z,   0.60,   7.94,   7.21,  99.90,  -1.33,
04/25 19Z,   0.60,  10.04,   9.13,  99.90,  -1.51,
04/25 20Z,   0.70,  11.07,  10.04,  99.90,  -1.73,  (max)
04/25 21Z,   0.80,  10.80,   9.78,  99.90,  -1.82,
04/25 22Z,   0.90,   9.30,   8.38,  99.90,  -1.82,
04/25 23Z,   0.90,   6.90,   5.95,  99.90,  -1.85,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/26 00Z,   0.90,   4.15,  99.90,   3.23,  -1.83,
04/26 01Z,   0.90,   1.75,  99.90,   0.85,  -1.80,
04/26 02Z,   0.90,   0.42,  99.90,  -0.45,  -1.77,  (min)
04/26 03Z,   0.70,   0.68,  99.90,  -0.37,  -1.74,
04/26 04Z,   0.60,   2.55,  99.90,   1.43,  -1.71,
04/26 05Z,   0.60,   5.52,  99.90,   4.43,  -1.69,
04/26 06Z,   0.50,   8.74,  99.90,   7.58,  -1.66,
04/26 07Z,   0.50,  11.39,  99.90,  10.26,  -1.63,
04/26 08Z,   0.50,  12.89,  99.90,  11.79,  -1.60,
04/26 09Z,   0.50,  12.91,  99.90,  11.83,  -1.58,  (max)
04/26 10Z,   0.60,  11.42,  99.90,  10.47,  -1.55,
04/26 11Z,   0.60,   8.68,  99.90,   7.76,  -1.52,
04/26 12Z,   0.60,   5.23,  99.90,   4.31,  -1.52,
04/26 13Z,   0.50,   1.82,  99.90,   0.80,  -1.52,
04/26 14Z,   0.50,  -0.68,  99.90,  -1.70,  -1.52,
04/26 15Z,   0.50,  -1.56,  99.90,  -2.58,  -1.52,  (min)
04/26 16Z,   0.50,  -0.55,  99.90,  -1.57,  -1.52,
04/26 17Z,   0.40,   2.00,  99.90,   0.88,  -1.52,
04/26 18Z,   0.40,   5.27,  99.90,   4.15,  -1.52,
04/26 19Z,   0.40,   8.38,  99.90,   7.26,  -1.52,
04/26 20Z,   0.40,  10.61,  99.90,   9.49,  -1.52,
04/26 21Z,   0.50,  11.58,  99.90,  10.56,  -1.52,  (max)
04/26 22Z,   0.60,  11.12,  99.90,  10.20,  -1.52,
04/26 23Z,   0.60,   9.36,  99.90,   8.44,  -1.52,
04/27 00Z,   0.60,   6.68,  99.90,   5.76,  -1.52,
04/27 01Z,   0.60,   3.74,  99.90,   2.82,  -1.52,
04/27 02Z,   0.70,   1.38,  99.90,   0.56,  -1.52,
04/27 03Z,   0.60,   0.40,  99.90,  -0.52,  -1.52,  (min)
04/27 04Z,   0.50,   1.25,  99.90,   0.23,  -1.52,
04/27 05Z,   0.40,   3.76,  99.90,   2.64,  -1.52,
04/27 06Z,   0.30,   7.18,  99.90,   5.96,  -1.52,
04/27 07Z,   0.30,  10.52,  99.90,   9.30,  -1.52,
04/27 08Z,   0.40,  12.98,  99.90,  11.86,  -1.52,
04/27 09Z,   0.50,  14.02,  99.90,  13.00,  -1.52,  (max)
04/27 10Z,   0.60,  13.42,  99.90,  12.50,  -1.52,
04/27 11Z,   0.70,  11.22,  99.90,  10.40,  -1.52,
04/27 12Z,   0.70,   7.78,  99.90,   6.96,  -1.52,
04/27 13Z,   0.80,   3.76,  99.90,   3.04,  -1.52,
04/27 14Z,   0.70,   0.07,  99.90,  -0.75,  -1.52,
04/27 15Z,   0.60,  -2.33,  99.90,  -3.25,  -1.52,
04/27 16Z,   0.50,  -2.76,  99.90,  -3.78,  -1.52,  (min)
04/27 17Z,   0.50,  -1.12,  99.90,  -2.14,  -1.52,
04/27 18Z,   0.50,   2.00,  99.90,   0.98,  -1.52,
04/27 19Z,   0.60,   5.64,  99.90,   4.72,  -1.52,
04/27 20Z,   0.60,   8.87,  99.90,   7.95,  -1.52,
04/27 21Z,   0.60,  11.05,  99.90,  10.13,  -1.52,
04/27 22Z,   0.50,  11.84,  99.90,  10.82,  -1.52,  (max)
04/27 23Z,   0.40,  11.14,  99.90,  10.02,  -1.52,
04/28 00Z,   0.40,   9.12,  99.90,   8.00,  -1.52,
04/28 01Z,   0.40,   6.26,  99.90,   5.14,  -1.52,
04/28 02Z,   0.50,   3.33,  99.90,   2.31,  -1.52,
04/28 03Z,   0.60,   1.25,  99.90,   0.33,  -1.52,
04/28 04Z,   0.60,   0.80,  99.90,  -0.13,  -1.52,  (min)
04/28 05Z,   0.70,   2.26,  99.90,   1.44,  -1.52,
04/28 06Z,   0.80,   5.25,  99.90,   4.53,  -1.52,
04/28 07Z,   0.90,   8.85,  99.90,   8.23,  -1.52,
04/28 08Z,   1.00,  12.06,  99.90,  11.54,  -1.52,
04/28 09Z,   1.00,  14.11,  99.90,  13.59,  -1.52,
04/28 10Z,   1.00,  14.59,  99.90,  14.07,  -1.52,  (max)
04/28 11Z,   1.10,  13.36,  99.90,  12.94,  -1.52,
04/28 12Z,   1.20,  10.55,  99.90,  10.23,  -1.52,
04/28 13Z,   1.20,   6.61,  99.90,   6.29,  -1.52,
04/28 14Z,   1.30,   2.31,  99.90,   2.09,  -1.52,
04/28 15Z,   1.30,  -1.33,  99.90,  -1.55,  -1.52,
04/28 16Z,   1.30,  -3.37,  99.90,  -3.59,  -1.52,  (min)
04/28 17Z,   1.30,  -3.24,  99.90,  -3.46,  -1.52,
04/28 18Z,   1.30,  -1.06,  99.90,  -1.28,  -1.52,
04/28 19Z,   1.40,   2.42,  99.90,   2.30,  -1.52,
04/28 20Z,   1.50,   6.16,  99.90,   6.14,  -1.52,
04/28 21Z,   1.60,   9.28,  99.90,   9.36,  -1.52,
04/28 22Z,   1.70,  11.24,  99.90,  11.42,  -1.52,
04/28 23Z,   1.60,  11.76,  99.90,  11.84,  -1.52,  (max)
04/29 00Z,   1.60,  10.82,  99.90,  10.90,  -1.52,
04/29 01Z,   1.60,   8.64,  99.90,   8.72,  -1.52,
04/29 02Z,   1.70,   5.79,  99.90,   5.97,  -1.52,
04/29 03Z,   1.70,   3.09,  99.90,   3.27,  -1.52,
04/29 04Z,   1.60,   1.46,  99.90,   1.54,  -1.52,  (min)
04/29 05Z,   1.50,   1.56,  99.90,   1.54,  -1.52,
04/29 06Z,   1.40,   3.51,  99.90,   3.39,  -1.52,
04/29 07Z,   1.40,   6.73,  99.90,   6.61,  -1.52,
04/29 08Z,   1.40,  10.24,  99.90,  10.12,  -1.52,
04/29 09Z,   1.40,  13.09,  99.90,  12.97,  -1.52,
04/29 10Z,   1.50,  14.62,  99.90,  14.60,  -1.52,  (max)
04/29 11Z,   1.50,  14.53,  99.90,  14.51,  -1.52,
04/29 12Z,   1.40,  12.77,  99.90,  12.65,  -1.52,
04/29 13Z,   1.30,   9.56,  99.90,   9.34,  -1.52,
04/29 14Z,   1.20,   5.42,  99.90,   5.10,  -1.52,
04/29 15Z,   1.00,   1.19,  99.90,   0.67,  -1.52,
04/29 16Z,   1.00,  -2.13,  99.90,  -2.65,  -1.52,
04/29 17Z,   1.00,  -3.66,  99.90,  -4.18,  -1.52,  (min)
04/29 18Z,   1.10,  -3.01,  99.90,  -3.43,  -1.52,