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
#Nikiski, AK : 05/21/2025 18:21:17 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/20 00Z,   0.00,  -8.74,  99.90,  99.90,  99.90,
05/20 01Z,   0.00,  -9.17,  -9.45,  99.90,  -0.28,  (min)
05/20 02Z,   0.00,  -7.71,  -7.53,  99.90,   0.18,
05/20 03Z,   0.00,  -4.48,  -4.46,  99.90,   0.02,
05/20 04Z,   0.00,  -0.87,  -1.20,  99.90,  -0.33,
05/20 05Z,   0.00,   2.10,   1.92,  99.90,  -0.18,
05/20 06Z,   0.00,   4.39,   4.38,  99.90,  -0.01,
05/20 07Z,   0.00,   5.80,   5.72,  99.90,  -0.08,  (max)
05/20 08Z,   0.00,   5.77,   5.63,  99.90,  -0.14,
05/20 09Z,   0.10,   4.15,   4.14,  99.90,  -0.11,
05/20 10Z,   0.10,   1.55,   1.76,  99.90,   0.11,
05/20 11Z,   0.00,  -1.03,  -0.64,  99.90,   0.39,
05/20 12Z,   0.10,  -3.00,  -2.68,  99.90,   0.22,
05/20 13Z,   0.10,  -4.19,  -3.86,  99.90,   0.23,  (min)
05/20 14Z,   0.20,  -4.02,  -3.59,  99.90,   0.23,
05/20 15Z,   0.20,  -2.09,  -2.08,  99.90,  -0.19,
05/20 16Z,   0.10,   0.64,  -0.01,  99.90,  -0.75,
05/20 17Z,   0.10,   2.80,   1.93,  99.90,  -0.97,
05/20 18Z,   0.10,   4.10,   3.41,  99.90,  -0.79,
05/20 19Z,   0.10,   4.65,   3.99,  99.90,  -0.76,  (max)
05/20 20Z,   0.10,   4.12,   3.40,  99.90,  -0.82,
05/20 21Z,   0.20,   2.22,   1.53,  99.90,  -0.89,
05/20 22Z,   0.20,  -0.72,  -0.95,  99.90,  -0.43,
05/20 23Z,   0.20,  -3.80,  -3.60,  99.90,   0.00,
05/21 00Z,   0.30,  -6.30,  -6.10,  99.90,  -0.10,
05/21 01Z,   0.30,  -8.03,  -7.97,  99.90,  -0.24,
05/21 02Z,   0.30,  -8.60,  -8.48,  99.90,  -0.18,  (min)
05/21 03Z,   0.30,  -7.22,  -7.02,  99.90,  -0.10,
05/21 04Z,   0.30,  -4.08,  -4.12,  99.90,  -0.34,
05/21 05Z,   0.30,  -0.54,  -0.92,  99.90,  -0.68,
05/21 06Z,   0.30,   2.50,   2.17,  99.90,  -0.63,
05/21 07Z,   0.20,   4.95,   4.65,  99.90,  -0.50,
05/21 08Z,   0.20,   6.40,   6.07,  99.90,  -0.53,  (max)
05/21 09Z,   0.10,   6.24,   6.01,  99.90,  -0.33,
05/21 10Z,   0.10,   4.39,   4.40,  99.90,  -0.09,
05/21 11Z,   0.10,   1.58,   1.69,  99.90,   0.01,
05/21 12Z,   0.20,  -1.25,  -1.04,  99.90,   0.01,
05/21 13Z,   0.10,  -3.64,  -3.53,  99.90,   0.01,
05/21 14Z,   0.00,  -5.31,  -5.21,  99.90,   0.10,
05/21 15Z,   0.00,  -5.48,  -5.53,  99.90,  -0.05,  (min)
05/21 16Z,   0.00,  -3.67,  -4.00,  99.90,  -0.33,
05/21 17Z,   0.00,  -0.90,  -1.65,  99.90,  -0.75,
05/21 18Z,  -0.10,   1.60,   0.73,  99.90,  -0.77,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/21 19Z,  -0.10,   3.53,  99.90,   2.70,  -0.72,
05/21 20Z,  -0.20,   4.72,  99.90,   3.85,  -0.67,  (max)
05/21 21Z,  -0.20,   4.62,  99.90,   3.80,  -0.62,
05/21 22Z,  -0.30,   2.93,  99.90,   2.06,  -0.56,
05/21 23Z,  -0.30,   0.08,  99.90,  -0.73,  -0.51,
05/22 00Z,  -0.30,  -2.99,  99.90,  -3.75,  -0.46,
05/22 01Z,  -0.40,  -5.62,  99.90,  -6.43,  -0.41,
05/22 02Z,  -0.40,  -7.61,  99.90,  -8.36,  -0.35,
05/22 03Z,  -0.40,  -8.34,  99.90,  -9.04,  -0.30,  (min)
05/22 04Z,  -0.40,  -6.90,  99.90,  -7.55,  -0.25,
05/22 05Z,  -0.40,  -3.62,  99.90,  -4.22,  -0.20,
05/22 06Z,  -0.40,   0.10,  99.90,  -0.44,  -0.14,
05/22 07Z,  -0.40,   3.43,  99.90,   2.89,  -0.14,
05/22 08Z,  -0.50,   6.09,  99.90,   5.45,  -0.14,
05/22 09Z,  -0.50,   7.48,  99.90,   6.83,  -0.14,  (max)
05/22 10Z,  -0.50,   6.97,  99.90,   6.33,  -0.14,
05/22 11Z,  -0.50,   4.65,  99.90,   4.01,  -0.14,
05/22 12Z,  -0.50,   1.36,  99.90,   0.72,  -0.14,
05/22 13Z,  -0.50,  -2.00,  99.90,  -2.64,  -0.14,
05/22 14Z,  -0.50,  -4.99,  99.90,  -5.63,  -0.14,
05/22 15Z,  -0.40,  -7.19,  99.90,  -7.73,  -0.14,
05/22 16Z,  -0.40,  -7.53,  99.90,  -8.07,  -0.14,  (min)
05/22 17Z,  -0.50,  -5.56,  99.90,  -6.20,  -0.14,
05/22 18Z,  -0.50,  -2.37,  99.90,  -3.01,  -0.14,
05/22 19Z,  -0.50,   0.82,  99.90,   0.18,  -0.14,
05/22 20Z,  -0.50,   3.56,  99.90,   2.92,  -0.14,
05/22 21Z,  -0.60,   5.39,  99.90,   4.65,  -0.14,
05/22 22Z,  -0.50,   5.59,  99.90,   4.94,  -0.14,  (max)
05/22 23Z,  -0.50,   3.91,  99.90,   3.27,  -0.14,
05/23 00Z,  -0.50,   0.95,  99.90,   0.30,  -0.14,
05/23 01Z,  -0.50,  -2.31,  99.90,  -2.96,  -0.14,
05/23 02Z,  -0.50,  -5.23,  99.90,  -5.87,  -0.14,
05/23 03Z,  -0.50,  -7.51,  99.90,  -8.15,  -0.14,
05/23 04Z,  -0.50,  -8.27,  99.90,  -8.91,  -0.14,  (min)
05/23 05Z,  -0.40,  -6.55,  99.90,  -7.09,  -0.14,
05/23 06Z,  -0.40,  -2.88,  99.90,  -3.43,  -0.14,
05/23 07Z,  -0.40,   1.24,  99.90,   0.70,  -0.14,
05/23 08Z,  -0.40,   4.93,  99.90,   4.39,  -0.14,
05/23 09Z,  -0.30,   7.70,  99.90,   7.26,  -0.14,
05/23 10Z,  -0.30,   8.79,  99.90,   8.35,  -0.14,  (max)
05/23 11Z,  -0.30,   7.67,  99.90,   7.23,  -0.14,
05/23 12Z,  -0.20,   4.64,  99.90,   4.30,  -0.14,
05/23 13Z,  -0.20,   0.66,  99.90,   0.32,  -0.14,
05/23 14Z,  -0.20,  -3.37,  99.90,  -3.71,  -0.14,
05/23 15Z,  -0.20,  -7.01,  99.90,  -7.35,  -0.14,
05/23 16Z,  -0.20,  -9.59,  99.90,  -9.93,  -0.14,
05/23 17Z,  -0.20,  -9.81,  99.90, -10.15,  -0.14,  (min)
05/23 18Z,  -0.20,  -7.33,  99.90,  -7.68,  -0.14,
05/23 19Z,  -0.20,  -3.41,  99.90,  -3.75,  -0.14,
05/23 20Z,  -0.30,   0.66,  99.90,   0.22,  -0.14,
05/23 21Z,  -0.20,   4.23,  99.90,   3.89,  -0.14,
05/23 22Z,  -0.20,   6.53,  99.90,   6.19,  -0.14,
05/23 23Z,  -0.20,   6.77,  99.90,   6.42,  -0.14,  (max)
05/24 00Z,  -0.20,   4.87,  99.90,   4.53,  -0.14,
05/24 01Z,  -0.20,   1.61,  99.90,   1.27,  -0.14,
05/24 02Z,  -0.20,  -1.95,  99.90,  -2.29,  -0.14,
05/24 03Z,  -0.10,  -5.18,  99.90,  -5.42,  -0.14,
05/24 04Z,  -0.10,  -7.65,  99.90,  -7.89,  -0.14,
05/24 05Z,  -0.10,  -8.21,  99.90,  -8.46,  -0.14,  (min)
05/24 06Z,  -0.10,  -5.98,  99.90,  -6.22,  -0.14,
05/24 07Z,  -0.10,  -1.74,  99.90,  -1.98,  -0.14,
05/24 08Z,   0.00,   2.87,  99.90,   2.72,  -0.14,
05/24 09Z,   0.00,   6.84,  99.90,   6.70,  -0.14,
05/24 10Z,   0.00,   9.49,  99.90,   9.35,  -0.14,
05/24 11Z,   0.00,  10.00,  99.90,   9.86,  -0.14,  (max)
05/24 12Z,   0.10,   8.04,  99.90,   8.00,  -0.14,
05/24 13Z,   0.10,   4.15,  99.90,   4.11,  -0.14,
05/24 14Z,   0.10,  -0.57,  99.90,  -0.62,  -0.14,
05/24 15Z,   0.10,  -5.25,  99.90,  -5.30,  -0.14,
05/24 16Z,   0.10,  -9.42,  99.90,  -9.46,  -0.14,
05/24 17Z,   0.00, -12.11,  99.90, -12.25,  -0.14,  (min)
05/24 18Z,   0.00, -11.88,  99.90, -12.02,  -0.14,
05/24 19Z,   0.00,  -8.61,  99.90,  -8.75,  -0.14,
05/24 20Z,   0.00,  -3.77,  99.90,  -3.92,  -0.14,
05/24 21Z,   0.00,   1.18,  99.90,   1.04,  -0.14,
05/24 22Z,   0.00,   5.38,  99.90,   5.23,  -0.14,
05/24 23Z,   0.00,   7.84,  99.90,   7.70,  -0.14,
05/25 00Z,   0.00,   7.85,  99.90,   7.71,  -0.14,  (max)
05/25 01Z,   0.00,   5.56,  99.90,   5.42,  -0.14,
05/25 02Z,   0.00,   1.93,  99.90,   1.79,  -0.14,
05/25 03Z,   0.10,  -1.93,  99.90,  -1.97,  -0.14,
05/25 04Z,   0.10,  -5.41,  99.90,  -5.45,  -0.14,
05/25 05Z,   0.10,  -7.89,  99.90,  -7.93,  -0.14,
05/25 06Z,   0.10,  -8.03,  99.90,  -8.07,  -0.14,  (min)
05/25 07Z,   0.10,  -5.09,  99.90,  -5.13,  -0.14,
05/25 08Z,   0.10,  -0.20,  99.90,  -0.25,  -0.14,
05/25 09Z,   0.20,   4.81,  99.90,   4.86,  -0.14,
05/25 10Z,   0.20,   8.84,  99.90,   8.90,  -0.14,
05/25 11Z,   0.30,  11.08,  99.90,  11.24,  -0.14,  (max)
05/25 12Z,   0.30,  10.78,  99.90,  10.94,  -0.14,