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 : 05/19/2025 19:20:05 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/18 00Z,   0.10,  -9.68,  -9.35,  99.90,   0.23,  (min)
05/18 01Z,   0.10,  -6.12,  -5.45,  99.90,   0.57,
05/18 02Z,   0.10,  -1.74,  -1.59,  99.90,   0.05,
05/18 03Z,   0.00,   1.91,   1.96,  99.90,   0.05,
05/18 04Z,   0.00,   4.45,   4.73,  99.90,   0.28,
05/18 05Z,   0.00,   5.97,   6.16,  99.90,   0.19,  (max)
05/18 06Z,   0.00,   6.10,   5.90,  99.90,  -0.20,
05/18 07Z,   0.00,   4.59,   4.08,  99.90,  -0.51,
05/18 08Z,   0.00,   1.87,   1.39,  99.90,  -0.48,
05/18 09Z,   0.00,  -1.00,  -1.10,  99.90,  -0.10,
05/18 10Z,   0.00,  -3.09,  -3.12,  99.90,  -0.03,
05/18 11Z,   0.00,  -4.04,  -4.07,  99.90,  -0.03,  (min)
05/18 12Z,   0.00,  -3.46,  -3.06,  99.90,   0.40,
05/18 13Z,   0.00,  -0.99,  -0.48,  99.90,   0.51,
05/18 14Z,   0.00,   2.47,   2.12,  99.90,  -0.35,
05/18 15Z,   0.00,   5.12,   4.39,  99.90,  -0.73,
05/18 16Z,  -0.10,   6.22,   5.81,  99.90,  -0.31,
05/18 17Z,  -0.10,   6.10,   5.91,  99.90,  -0.09,  (max)
05/18 18Z,  -0.10,   4.88,   4.34,  99.90,  -0.44,
05/18 19Z,  -0.10,   2.41,   1.63,  99.90,  -0.68,
05/18 20Z,  -0.20,  -1.08,  -1.50,  99.90,  -0.22,
05/18 21Z,  -0.20,  -4.78,  -4.69,  99.90,   0.29,
05/18 22Z,  -0.20,  -7.75,  -7.83,  99.90,   0.12,
05/18 23Z,  -0.20,  -9.57, -10.02,  99.90,  -0.25,
05/19 00Z,  -0.20, -10.03, -10.39,  99.90,  -0.16,  (min)
05/19 01Z,  -0.20,  -8.53,  -8.19,  99.90,   0.54,
05/19 02Z,  -0.20,  -5.10,  -4.73,  99.90,   0.57,
05/19 03Z,  -0.20,  -1.17,  -1.22,  99.90,   0.15,
05/19 04Z,  -0.20,   2.01,   2.02,  99.90,   0.21,
05/19 05Z,  -0.20,   4.30,   4.55,  99.90,   0.45,
05/19 06Z,  -0.20,   5.70,   5.83,  99.90,   0.33,  (max)
05/19 07Z,  -0.10,   5.73,   5.60,  99.90,  -0.03,
05/19 08Z,  -0.10,   4.18,   4.13,  99.90,   0.05,
05/19 09Z,  -0.10,   1.57,   1.65,  99.90,   0.18,
05/19 10Z,   0.00,  -1.05,  -0.68,  99.90,   0.37,
05/19 11Z,   0.00,  -2.93,  -2.54,  99.90,   0.39,
05/19 12Z,   0.00,  -3.84,  -3.43,  99.90,   0.41,  (min)
05/19 13Z,   0.00,  -3.35,  -2.70,  99.90,   0.65,
05/19 14Z,   0.00,  -1.13,  -0.66,  99.90,   0.47,
05/19 15Z,   0.00,   1.87,   1.49,  99.90,  -0.38,
05/19 16Z,   0.00,   4.09,   3.42,  99.90,  -0.67,
05/19 17Z,   0.00,   5.09,   4.72,  99.90,  -0.37,
05/19 18Z,   0.00,   5.16,   4.86,  99.90,  -0.30,  (max)
05/19 19Z,   0.00,   4.21,   3.65,  99.90,  -0.56,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/19 20Z,   0.00,   2.01,  99.90,   1.51,  -0.51,
05/19 21Z,   0.00,  -1.17,  99.90,  -1.62,  -0.45,
05/19 22Z,   0.00,  -4.49,  99.90,  -4.88,  -0.39,
05/19 23Z,   0.00,  -7.10,  99.90,  -7.44,  -0.33,
05/20 00Z,   0.00,  -8.74,  99.90,  -9.02,  -0.27,
05/20 01Z,   0.00,  -9.17,  99.90,  -9.39,  -0.22,  (min)
05/20 02Z,   0.00,  -7.71,  99.90,  -7.87,  -0.16,
05/20 03Z,   0.00,  -4.48,  99.90,  -4.58,  -0.10,
05/20 04Z,   0.00,  -0.87,  99.90,  -0.91,  -0.04,
05/20 05Z,   0.00,   2.10,  99.90,   2.12,   0.02,
05/20 06Z,   0.00,   4.39,  99.90,   4.46,   0.07,
05/20 07Z,   0.00,   5.80,  99.90,   5.93,   0.13,  (max)
05/20 08Z,   0.00,   5.77,  99.90,   5.91,   0.13,
05/20 09Z,   0.00,   4.15,  99.90,   4.29,   0.13,
05/20 10Z,   0.00,   1.55,  99.90,   1.68,   0.13,
05/20 11Z,   0.00,  -1.03,  99.90,  -0.90,   0.13,
05/20 12Z,   0.00,  -3.00,  99.90,  -2.87,   0.13,
05/20 13Z,   0.00,  -4.19,  99.90,  -4.06,   0.13,  (min)
05/20 14Z,   0.00,  -4.02,  99.90,  -3.88,   0.13,
05/20 15Z,   0.10,  -2.09,  99.90,  -1.85,   0.13,
05/20 16Z,   0.10,   0.64,  99.90,   0.87,   0.13,
05/20 17Z,   0.00,   2.80,  99.90,   2.94,   0.13,
05/20 18Z,   0.00,   4.10,  99.90,   4.23,   0.13,
05/20 19Z,   0.00,   4.65,  99.90,   4.78,   0.13,  (max)
05/20 20Z,   0.00,   4.12,  99.90,   4.25,   0.13,
05/20 21Z,   0.00,   2.22,  99.90,   2.35,   0.13,
05/20 22Z,   0.00,  -0.72,  99.90,  -0.58,   0.13,
05/20 23Z,   0.10,  -3.80,  99.90,  -3.57,   0.13,
05/21 00Z,   0.10,  -6.30,  99.90,  -6.07,   0.13,
05/21 01Z,   0.10,  -8.03,  99.90,  -7.80,   0.13,
05/21 02Z,   0.10,  -8.60,  99.90,  -8.37,   0.13,  (min)
05/21 03Z,   0.20,  -7.22,  99.90,  -6.89,   0.13,
05/21 04Z,   0.20,  -4.08,  99.90,  -3.74,   0.13,
05/21 05Z,   0.20,  -0.54,  99.90,  -0.21,   0.13,
05/21 06Z,   0.10,   2.50,  99.90,   2.74,   0.13,
05/21 07Z,   0.10,   4.95,  99.90,   5.18,   0.13,
05/21 08Z,   0.10,   6.40,  99.90,   6.64,   0.13,  (max)
05/21 09Z,   0.10,   6.24,  99.90,   6.47,   0.13,
05/21 10Z,   0.10,   4.39,  99.90,   4.63,   0.13,
05/21 11Z,   0.10,   1.58,  99.90,   1.81,   0.13,
05/21 12Z,   0.10,  -1.25,  99.90,  -1.02,   0.13,
05/21 13Z,   0.00,  -3.64,  99.90,  -3.50,   0.13,
05/21 14Z,   0.00,  -5.31,  99.90,  -5.18,   0.13,
05/21 15Z,   0.00,  -5.48,  99.90,  -5.34,   0.13,  (min)
05/21 16Z,  -0.10,  -3.67,  99.90,  -3.64,   0.13,
05/21 17Z,  -0.10,  -0.90,  99.90,  -0.86,   0.13,
05/21 18Z,  -0.20,   1.60,  99.90,   1.54,   0.13,
05/21 19Z,  -0.20,   3.53,  99.90,   3.46,   0.13,
05/21 20Z,  -0.30,   4.72,  99.90,   4.55,   0.13,  (max)
05/21 21Z,  -0.30,   4.62,  99.90,   4.45,   0.13,
05/21 22Z,  -0.30,   2.93,  99.90,   2.76,   0.13,
05/21 23Z,  -0.40,   0.08,  99.90,  -0.18,   0.13,
05/22 00Z,  -0.40,  -2.99,  99.90,  -3.26,   0.13,
05/22 01Z,  -0.40,  -5.62,  99.90,  -5.89,   0.13,
05/22 02Z,  -0.40,  -7.61,  99.90,  -7.87,   0.13,
05/22 03Z,  -0.40,  -8.34,  99.90,  -8.60,   0.13,  (min)
05/22 04Z,  -0.40,  -6.90,  99.90,  -7.17,   0.13,
05/22 05Z,  -0.50,  -3.62,  99.90,  -3.99,   0.13,
05/22 06Z,  -0.50,   0.10,  99.90,  -0.27,   0.13,
05/22 07Z,  -0.50,   3.43,  99.90,   3.06,   0.13,
05/22 08Z,  -0.50,   6.09,  99.90,   5.72,   0.13,
05/22 09Z,  -0.50,   7.48,  99.90,   7.11,   0.13,  (max)
05/22 10Z,  -0.50,   6.97,  99.90,   6.60,   0.13,
05/22 11Z,  -0.50,   4.65,  99.90,   4.29,   0.13,
05/22 12Z,  -0.40,   1.36,  99.90,   1.09,   0.13,
05/22 13Z,  -0.40,  -2.00,  99.90,  -2.26,   0.13,
05/22 14Z,  -0.40,  -4.99,  99.90,  -5.26,   0.13,
05/22 15Z,  -0.50,  -7.19,  99.90,  -7.56,   0.13,
05/22 16Z,  -0.50,  -7.53,  99.90,  -7.90,   0.13,  (min)
05/22 17Z,  -0.50,  -5.56,  99.90,  -5.93,   0.13,
05/22 18Z,  -0.50,  -2.37,  99.90,  -2.73,   0.13,
05/22 19Z,  -0.60,   0.82,  99.90,   0.35,   0.13,
05/22 20Z,  -0.50,   3.56,  99.90,   3.20,   0.13,
05/22 21Z,  -0.50,   5.39,  99.90,   5.03,   0.13,
05/22 22Z,  -0.50,   5.59,  99.90,   5.22,   0.13,  (max)
05/22 23Z,  -0.50,   3.91,  99.90,   3.54,   0.13,
05/23 00Z,  -0.40,   0.95,  99.90,   0.68,   0.13,
05/23 01Z,  -0.40,  -2.31,  99.90,  -2.58,   0.13,
05/23 02Z,  -0.40,  -5.23,  99.90,  -5.50,   0.13,
05/23 03Z,  -0.40,  -7.51,  99.90,  -7.77,   0.13,
05/23 04Z,  -0.40,  -8.27,  99.90,  -8.53,   0.13,  (min)
05/23 05Z,  -0.50,  -6.55,  99.90,  -6.92,   0.13,
05/23 06Z,  -0.50,  -2.88,  99.90,  -3.25,   0.13,
05/23 07Z,  -0.40,   1.24,  99.90,   0.97,   0.13,
05/23 08Z,  -0.40,   4.93,  99.90,   4.66,   0.13,
05/23 09Z,  -0.40,   7.70,  99.90,   7.43,   0.13,
05/23 10Z,  -0.30,   8.79,  99.90,   8.62,   0.13,  (max)
05/23 11Z,  -0.30,   7.67,  99.90,   7.51,   0.13,
05/23 12Z,  -0.30,   4.64,  99.90,   4.48,   0.13,