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
#Skagway, AK : 04/23/2026 00:21:08 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/21 06Z,   1.70,  -5.88,  -6.58,  99.90,  -2.40,
04/21 07Z,   1.90,  -5.00,  -5.61,  99.90,  -2.51,  (min)
04/21 08Z,   2.10,  -2.18,  -2.72,  99.90,  -2.64,
04/21 09Z,   2.10,   1.66,   1.08,  99.90,  -2.68,
04/21 10Z,   2.30,   5.49,   5.04,  99.90,  -2.75,
04/21 11Z,   2.30,   8.41,   7.86,  99.90,  -2.85,
04/21 12Z,   1.60,   9.69,   8.97,  99.90,  -2.32,  (max)
04/21 13Z,   1.80,   8.91,   8.14,  99.90,  -2.57,
04/21 14Z,   1.90,   6.18,   5.35,  99.90,  -2.73,
04/21 15Z,   2.00,   2.06,   1.19,  99.90,  -2.87,
04/21 16Z,   2.10,  -2.69,  -3.70,  99.90,  -3.11,
04/21 17Z,   2.20,  -7.14,  -7.97,  99.90,  -3.03,
04/21 18Z,   1.60, -10.22, -10.96,  99.90,  -2.34,
04/21 19Z,   1.70, -11.03, -11.56,  99.90,  -2.23,  (min)
04/21 20Z,   1.90,  -9.43,  -9.95,  99.90,  -2.42,
04/21 21Z,   2.10,  -6.11,  -6.90,  99.90,  -2.89,
04/21 22Z,   2.20,  -2.11,  -2.86,  99.90,  -2.95,
04/21 23Z,   2.30,   1.67,   0.82,  99.90,  -3.15,
04/22 00Z,   1.70,   4.47,   3.42,  99.90,  -2.75,
04/22 01Z,   1.80,   5.76,   4.62,  99.90,  -2.94,  (max)
04/22 02Z,   2.00,   5.41,   4.20,  99.90,  -3.21,
04/22 03Z,   2.00,   3.71,   2.64,  99.90,  -3.07,
04/22 04Z,   2.10,   1.18,   0.20,  99.90,  -3.08,
04/22 05Z,   2.10,  -1.58,  -2.48,  99.90,  -3.00,
04/22 06Z,   1.60,  -3.82,  -4.77,  99.90,  -2.55,
04/22 07Z,   1.70,  -4.67,  -5.58,  99.90,  -2.61,  (min)
04/22 08Z,   1.80,  -3.70,  -4.45,  99.90,  -2.55,
04/22 09Z,   1.80,  -1.20,  -2.00,  99.90,  -2.60,
04/22 10Z,   1.90,   2.03,   1.19,  99.90,  -2.74,
04/22 11Z,   1.80,   5.15,   4.28,  99.90,  -2.67,
04/22 12Z,   1.40,   7.45,   6.53,  99.90,  -2.32,
04/22 13Z,   1.40,   8.33,   7.10,  99.90,  -2.63,  (max)
04/22 14Z,   1.40,   7.45,   6.10,  99.90,  -2.75,
04/22 15Z,   1.40,   4.96,   3.56,  99.90,  -2.80,
04/22 16Z,   1.50,   1.35,  -0.22,  99.90,  -3.07,
04/22 17Z,   1.50,  -2.72,  -4.30,  99.90,  -3.08,
04/22 18Z,   1.20,  -6.47,  -7.79,  99.90,  -2.52,
04/22 19Z,   1.30,  -9.00, -10.24,  99.90,  -2.54,
04/22 20Z,   1.40,  -9.57, -10.51,  99.90,  -2.34,  (min)
04/22 21Z,   1.50,  -8.15,  -9.15,  99.90,  -2.50,
04/22 22Z,   1.70,  -5.37,  -6.49,  99.90,  -2.82,
04/22 23Z,   1.70,  -2.05,  -3.21,  99.90,  -2.86,
04/23 00Z,   1.70,   1.10,  -0.10,  99.90,  -2.90,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/23 01Z,   1.70,   3.49,  99.90,   2.31,  -2.88,
04/23 02Z,   1.60,   4.66,  99.90,   3.40,  -2.86,  (max)
04/23 03Z,   1.40,   4.50,  99.90,   3.05,  -2.84,
04/23 04Z,   1.30,   3.25,  99.90,   1.73,  -2.82,
04/23 05Z,   1.20,   1.30,  99.90,  -0.31,  -2.80,
04/23 06Z,   1.10,  -0.94,  99.90,  -2.62,  -2.78,
04/23 07Z,   1.10,  -2.81,  99.90,  -4.47,  -2.76,
04/23 08Z,   1.20,  -3.58,  99.90,  -5.13,  -2.74,  (min)
04/23 09Z,   1.30,  -2.89,  99.90,  -4.32,  -2.72,
04/23 10Z,   1.40,  -0.99,  99.90,  -2.29,  -2.70,
04/23 11Z,   1.50,   1.53,  99.90,   0.34,  -2.68,
04/23 12Z,   1.50,   4.04,  99.90,   2.87,  -2.66,
04/23 13Z,   1.60,   5.97,  99.90,   4.91,  -2.66,
04/23 14Z,   1.50,   6.78,  99.90,   5.62,  -2.66,  (max)
04/23 15Z,   1.40,   6.15,  99.90,   4.88,  -2.66,
04/23 16Z,   1.30,   4.18,  99.90,   2.81,  -2.66,
04/23 17Z,   1.10,   1.27,  99.90,  -0.30,  -2.66,
04/23 18Z,   1.10,  -2.11,  99.90,  -3.68,  -2.66,
04/23 19Z,   1.00,  -5.34,  99.90,  -7.00,  -2.66,
04/23 20Z,   1.00,  -7.59,  99.90,  -9.26,  -2.66,
04/23 21Z,   1.00,  -8.25,  99.90,  -9.91,  -2.66,  (min)
04/23 22Z,   1.00,  -7.27,  99.90,  -8.93,  -2.66,
04/23 23Z,   1.10,  -5.12,  99.90,  -6.69,  -2.66,
04/24 00Z,   1.20,  -2.41,  99.90,  -3.87,  -2.66,
04/24 01Z,   1.30,   0.35,  99.90,  -1.01,  -2.66,
04/24 02Z,   1.40,   2.62,  99.90,   1.35,  -2.66,
04/24 03Z,   1.50,   3.93,  99.90,   2.77,  -2.66,
04/24 04Z,   1.50,   4.15,  99.90,   2.98,  -2.66,  (max)
04/24 05Z,   1.60,   3.41,  99.90,   2.34,  -2.66,
04/24 06Z,   1.50,   1.91,  99.90,   0.75,  -2.66,
04/24 07Z,   1.40,  -0.05,  99.90,  -1.31,  -2.66,
04/24 08Z,   1.10,  -1.91,  99.90,  -3.47,  -2.66,
04/24 09Z,   0.90,  -2.96,  99.90,  -4.73,  -2.66,
04/24 10Z,   0.70,  -2.82,  99.90,  -4.78,  -2.66,  (min)
04/24 11Z,   0.60,  -1.59,  99.90,  -3.65,  -2.66,
04/24 12Z,   0.60,   0.32,  99.90,  -1.75,  -2.66,
04/24 13Z,   0.70,   2.47,  99.90,   0.51,  -2.66,
04/24 14Z,   0.90,   4.36,  99.90,   2.60,  -2.66,
04/24 15Z,   1.10,   5.41,  99.90,   3.85,  -2.66,  (max)
04/24 16Z,   1.20,   5.27,  99.90,   3.80,  -2.66,
04/24 17Z,   1.40,   3.95,  99.90,   2.68,  -2.66,
04/24 18Z,   1.40,   1.70,  99.90,   0.43,  -2.66,
04/24 19Z,   1.30,  -1.17,  99.90,  -2.54,  -2.66,
04/24 20Z,   1.20,  -4.13,  99.90,  -5.60,  -2.66,
04/24 21Z,   1.10,  -6.41,  99.90,  -7.97,  -2.66,
04/24 22Z,   1.00,  -7.37,  99.90,  -9.03,  -2.66,  (min)
04/24 23Z,   0.90,  -6.88,  99.90,  -8.65,  -2.66,
04/25 00Z,   0.90,  -5.26,  99.90,  -7.02,  -2.66,
04/25 01Z,   1.00,  -2.89,  99.90,  -4.55,  -2.66,
04/25 02Z,   1.00,  -0.22,  99.90,  -1.88,  -2.66,
04/25 03Z,   1.10,   2.20,  99.90,   0.64,  -2.66,
04/25 04Z,   1.20,   3.84,  99.90,   2.37,  -2.66,
04/25 05Z,   1.30,   4.46,  99.90,   3.10,  -2.66,  (max)
04/25 06Z,   1.40,   4.08,  99.90,   2.82,  -2.66,
04/25 07Z,   1.40,   2.77,  99.90,   1.50,  -2.66,
04/25 08Z,   1.40,   0.73,  99.90,  -0.54,  -2.66,
04/25 09Z,   1.30,  -1.46,  99.90,  -2.83,  -2.66,
04/25 10Z,   1.20,  -3.03,  99.90,  -4.50,  -2.66,
04/25 11Z,   1.10,  -3.50,  99.90,  -5.07,  -2.66,  (min)
04/25 12Z,   1.00,  -2.84,  99.90,  -4.50,  -2.66,
04/25 13Z,   1.00,  -1.27,  99.90,  -2.93,  -2.66,
04/25 14Z,   1.00,   0.87,  99.90,  -0.80,  -2.66,
04/25 15Z,   1.10,   3.01,  99.90,   1.45,  -2.66,
04/25 16Z,   1.20,   4.52,  99.90,   3.05,  -2.66,
04/25 17Z,   1.30,   4.94,  99.90,   3.57,  -2.66,  (max)
04/25 18Z,   1.30,   4.20,  99.90,   2.83,  -2.66,
04/25 19Z,   1.30,   2.40,  99.90,   1.03,  -2.66,
04/25 20Z,   1.30,  -0.24,  99.90,  -1.61,  -2.66,
04/25 21Z,   1.20,  -3.21,  99.90,  -4.68,  -2.66,
04/25 22Z,   1.10,  -5.70,  99.90,  -7.27,  -2.66,
04/25 23Z,   1.00,  -7.01,  99.90,  -8.67,  -2.66,  (min)
04/26 00Z,   1.00,  -6.90,  99.90,  -8.56,  -2.66,
04/26 01Z,   1.10,  -5.51,  99.90,  -7.08,  -2.66,
04/26 02Z,   1.30,  -3.15,  99.90,  -4.51,  -2.66,
04/26 03Z,   1.40,  -0.26,  99.90,  -1.52,  -2.66,
04/26 04Z,   1.50,   2.48,  99.90,   1.32,  -2.66,
04/26 05Z,   1.60,   4.45,  99.90,   3.38,  -2.66,
04/26 06Z,   1.70,   5.31,  99.90,   4.35,  -2.66,  (max)
04/26 07Z,   1.60,   5.00,  99.90,   3.93,  -2.66,
04/26 08Z,   1.50,   3.49,  99.90,   2.33,  -2.66,
04/26 09Z,   1.30,   1.03,  99.90,  -0.33,  -2.66,
04/26 10Z,   1.10,  -1.71,  99.90,  -3.27,  -2.66,
04/26 11Z,   1.00,  -3.85,  99.90,  -5.51,  -2.66,
04/26 12Z,   1.00,  -4.80,  99.90,  -6.47,  -2.66,  (min)
04/26 13Z,   1.10,  -4.42,  99.90,  -5.98,  -2.66,
04/26 14Z,   1.20,  -2.82,  99.90,  -4.29,  -2.66,
04/26 15Z,   1.40,  -0.39,  99.90,  -1.65,  -2.66,
04/26 16Z,   1.50,   2.22,  99.90,   1.06,  -2.66,
04/26 17Z,   1.70,   4.23,  99.90,   3.27,  -2.66,
04/26 18Z,   1.80,   5.11,  99.90,   4.24,  -2.66,