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
#Adak Island, AK : 04/22/2025 04:21:54 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/20 12Z,  -0.20,  -2.16,  -2.20,  99.90,   0.16,
04/20 13Z,  -0.20,  -2.11,  -2.18,  99.90,   0.13,  (max)
04/20 14Z,  -0.20,  -2.08,  -2.23,  99.90,   0.05,  (min)
04/20 15Z,  -0.20,  -2.05,  -2.21,  99.90,   0.04,
04/20 16Z,  -0.30,  -2.01,  -2.11,  99.90,   0.20,  (max)
04/20 17Z,  -0.30,  -2.00,  -2.23,  99.90,   0.07,
04/20 18Z,  -0.30,  -2.07,  -2.27,  99.90,   0.10,
04/20 19Z,  -0.30,  -2.26,  -2.40,  99.90,   0.16,
04/20 20Z,  -0.30,  -2.61,  -2.83,  99.90,   0.08,
04/20 21Z,  -0.30,  -3.12,  -3.34,  99.90,   0.08,
04/20 22Z,  -0.30,  -3.77,  -4.01,  99.90,   0.06,
04/20 23Z,  -0.30,  -4.48,  -4.71,  99.90,   0.07,
04/21 00Z,  -0.30,  -5.18,  -5.45,  99.90,   0.03,
04/21 01Z,  -0.30,  -5.76,  -6.01,  99.90,   0.05,
04/21 02Z,  -0.30,  -6.14,  -6.37,  99.90,   0.07,
04/21 03Z,  -0.30,  -6.27,  -6.50,  99.90,   0.07,  (min)
04/21 04Z,  -0.30,  -6.13,  -6.28,  99.90,   0.15,
04/21 05Z,  -0.40,  -5.74,  -5.83,  99.90,   0.31,
04/21 06Z,  -0.40,  -5.17,  -5.33,  99.90,   0.24,
04/21 07Z,  -0.40,  -4.50,  -4.63,  99.90,   0.27,
04/21 08Z,  -0.40,  -3.84,  -4.02,  99.90,   0.22,
04/21 09Z,  -0.50,  -3.26,  -3.40,  99.90,   0.36,
04/21 10Z,  -0.50,  -2.82,  -3.01,  99.90,   0.31,
04/21 11Z,  -0.60,  -2.53,  -2.80,  99.90,   0.33,
04/21 12Z,  -0.50,  -2.38,  -2.68,  99.90,   0.20,  (max)
04/21 13Z,  -0.50,  -2.32,  -2.69,  99.90,   0.13,  (min)
04/21 14Z,  -0.60,  -2.29,  -2.67,  99.90,   0.22,
04/21 15Z,  -0.60,  -2.25,  -2.67,  99.90,   0.18,  (max)
04/21 16Z,  -0.60,  -2.19,  -2.69,  99.90,   0.10,  (min)
04/21 17Z,  -0.60,  -2.12,  -2.52,  99.90,   0.20,
04/21 18Z,  -0.60,  -2.09,  -2.48,  99.90,   0.21,  (max)
04/21 19Z,  -0.60,  -2.15,  -2.51,  99.90,   0.24,
04/21 20Z,  -0.60,  -2.35,  -2.75,  99.90,   0.20,
04/21 21Z,  -0.60,  -2.71,  -3.17,  99.90,   0.14,
04/21 22Z,  -0.60,  -3.24,  -3.71,  99.90,   0.13,
04/21 23Z,  -0.60,  -3.89,  -4.33,  99.90,   0.16,
04/22 00Z,  -0.60,  -4.58,  -4.92,  99.90,   0.26,
04/22 01Z,  -0.60,  -5.23,  -5.62,  99.90,   0.21,
04/22 02Z,  -0.60,  -5.73,  -6.05,  99.90,   0.28,
04/22 03Z,  -0.60,  -6.02,  -6.43,  99.90,   0.19,
04/22 04Z,  -0.60,  -6.06,  -6.51,  99.90,   0.15,  (min)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/22 05Z,  -0.60,  -5.83,  99.90,  -6.28,   0.15,
04/22 06Z,  -0.60,  -5.39,  99.90,  -5.83,   0.16,
04/22 07Z,  -0.70,  -4.80,  99.90,  -5.34,   0.16,
04/22 08Z,  -0.70,  -4.17,  99.90,  -4.71,   0.17,
04/22 09Z,  -0.80,  -3.59,  99.90,  -4.21,   0.17,
04/22 10Z,  -0.80,  -3.12,  99.90,  -3.74,   0.18,
04/22 11Z,  -0.80,  -2.80,  99.90,  -3.42,   0.18,
04/22 12Z,  -0.80,  -2.64,  99.90,  -3.25,   0.19,
04/22 13Z,  -0.80,  -2.58,  99.90,  -3.19,   0.19,
04/22 14Z,  -0.80,  -2.59,  99.90,  -3.19,   0.20,
04/22 15Z,  -0.80,  -2.59,  99.90,  -3.19,   0.20,
04/22 16Z,  -0.80,  -2.55,  99.90,  -3.14,   0.21,
04/22 17Z,  -0.80,  -2.47,  99.90,  -3.06,   0.21,
04/22 18Z,  -0.80,  -2.38,  99.90,  -2.97,   0.21,  (max)
04/22 19Z,  -0.90,  -2.31,  99.90,  -3.00,   0.21,
04/22 20Z,  -0.90,  -2.34,  99.90,  -3.03,   0.21,
04/22 21Z,  -0.90,  -2.52,  99.90,  -3.21,   0.21,
04/22 22Z,  -0.90,  -2.86,  99.90,  -3.55,   0.21,
04/22 23Z,  -0.90,  -3.36,  99.90,  -4.05,   0.21,
04/23 00Z,  -0.90,  -3.96,  99.90,  -4.65,   0.21,
04/23 01Z,  -0.80,  -4.58,  99.90,  -5.17,   0.21,
04/23 02Z,  -0.80,  -5.14,  99.90,  -5.73,   0.21,
04/23 03Z,  -0.80,  -5.54,  99.90,  -6.13,   0.21,
04/23 04Z,  -0.80,  -5.72,  99.90,  -6.31,   0.21,  (min)
04/23 05Z,  -0.80,  -5.66,  99.90,  -6.25,   0.21,
04/23 06Z,  -0.70,  -5.36,  99.90,  -5.85,   0.21,
04/23 07Z,  -0.70,  -4.89,  99.90,  -5.39,   0.21,
04/23 08Z,  -0.70,  -4.33,  99.90,  -4.82,   0.21,
04/23 09Z,  -0.70,  -3.78,  99.90,  -4.27,   0.21,
04/23 10Z,  -0.70,  -3.31,  99.90,  -3.80,   0.21,
04/23 11Z,  -0.70,  -2.99,  99.90,  -3.48,   0.21,
04/23 12Z,  -0.60,  -2.83,  99.90,  -3.22,   0.21,
04/23 13Z,  -0.60,  -2.82,  99.90,  -3.21,   0.21,
04/23 14Z,  -0.50,  -2.89,  99.90,  -3.18,   0.21,
04/23 15Z,  -0.40,  -2.99,  99.90,  -3.18,   0.21,
04/23 16Z,  -0.30,  -3.04,  99.90,  -3.13,   0.21,
04/23 17Z,  -0.30,  -3.02,  99.90,  -3.11,   0.21,
04/23 18Z,  -0.30,  -2.93,  99.90,  -3.02,   0.21,
04/23 19Z,  -0.30,  -2.79,  99.90,  -2.88,   0.21,
04/23 20Z,  -0.20,  -2.68,  99.90,  -2.67,   0.21,
04/23 21Z,  -0.20,  -2.65,  99.90,  -2.64,   0.21,  (max)
04/23 22Z,  -0.20,  -2.76,  99.90,  -2.75,   0.21,
04/23 23Z,  -0.20,  -3.03,  99.90,  -3.02,   0.21,
04/24 00Z,  -0.10,  -3.44,  99.90,  -3.33,   0.21,
04/24 01Z,  -0.10,  -3.94,  99.90,  -3.83,   0.21,
04/24 02Z,  -0.10,  -4.45,  99.90,  -4.34,   0.21,
04/24 03Z,   0.00,  -4.89,  99.90,  -4.68,   0.21,
04/24 04Z,   0.00,  -5.16,  99.90,  -4.95,   0.21,
04/24 05Z,   0.00,  -5.23,  99.90,  -5.02,   0.21,  (min)
04/24 06Z,   0.00,  -5.08,  99.90,  -4.87,   0.21,
04/24 07Z,   0.00,  -4.74,  99.90,  -4.53,   0.21,
04/24 08Z,   0.00,  -4.28,  99.90,  -4.07,   0.21,
04/24 09Z,   0.00,  -3.78,  99.90,  -3.57,   0.21,
04/24 10Z,   0.00,  -3.34,  99.90,  -3.13,   0.21,
04/24 11Z,   0.00,  -3.02,  99.90,  -2.81,   0.21,
04/24 12Z,   0.00,  -2.89,  99.90,  -2.68,   0.21,  (max)
04/24 13Z,   0.00,  -2.92,  99.90,  -2.71,   0.21,
04/24 14Z,   0.00,  -3.09,  99.90,  -2.88,   0.21,
04/24 15Z,   0.00,  -3.31,  99.90,  -3.10,   0.21,
04/24 16Z,   0.00,  -3.52,  99.90,  -3.31,   0.21,
04/24 17Z,   0.10,  -3.65,  99.90,  -3.34,   0.21,
04/24 18Z,   0.10,  -3.65,  99.90,  -3.35,   0.21,  (min)
04/24 19Z,   0.10,  -3.55,  99.90,  -3.24,   0.21,
04/24 20Z,   0.10,  -3.37,  99.90,  -3.06,   0.21,
04/24 21Z,   0.10,  -3.18,  99.90,  -2.87,   0.21,
04/24 22Z,   0.10,  -3.06,  99.90,  -2.75,   0.21,
04/24 23Z,   0.10,  -3.05,  99.90,  -2.74,   0.21,  (max)
04/25 00Z,   0.10,  -3.19,  99.90,  -2.88,   0.21,
04/25 01Z,   0.20,  -3.46,  99.90,  -3.05,   0.21,
04/25 02Z,   0.20,  -3.81,  99.90,  -3.41,   0.21,
04/25 03Z,   0.20,  -4.17,  99.90,  -3.76,   0.21,
04/25 04Z,   0.20,  -4.46,  99.90,  -4.05,   0.21,
04/25 05Z,   0.20,  -4.61,  99.90,  -4.20,   0.21,  (min)
04/25 06Z,   0.30,  -4.58,  99.90,  -4.07,   0.21,
04/25 07Z,   0.30,  -4.37,  99.90,  -3.86,   0.21,
04/25 08Z,   0.30,  -4.02,  99.90,  -3.51,   0.21,
04/25 09Z,   0.30,  -3.59,  99.90,  -3.08,   0.21,
04/25 10Z,   0.30,  -3.19,  99.90,  -2.68,   0.21,
04/25 11Z,   0.40,  -2.89,  99.90,  -2.28,   0.21,
04/25 12Z,   0.40,  -2.75,  99.90,  -2.15,   0.21,  (max)
04/25 13Z,   0.40,  -2.82,  99.90,  -2.21,   0.21,
04/25 14Z,   0.40,  -3.07,  99.90,  -2.46,   0.21,
04/25 15Z,   0.40,  -3.43,  99.90,  -2.83,   0.21,
04/25 16Z,   0.40,  -3.83,  99.90,  -3.22,   0.21,
04/25 17Z,   0.40,  -4.18,  99.90,  -3.57,   0.21,
04/25 18Z,   0.40,  -4.38,  99.90,  -3.78,   0.21,
04/25 19Z,  99.90,  -4.42,  99.90,  99.90,   0.21,
04/25 20Z,  99.90,  -4.30,  99.90,  99.90,   0.21,
04/25 21Z,  99.90,  -4.05,  99.90,  99.90,   0.21,
04/25 22Z,  99.90,  -3.76,  99.90,  99.90,   0.21,
04/25 23Z,  99.90,  -3.50,  99.90,  99.90,   0.21,
04/26 00Z,  99.90,  -3.34,  99.90,  99.90,   0.21,