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
#Alitak, AK : 06/22/2025 06:22:31 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
06/20 12Z,  -0.90, -13.43, -13.70,  99.90,   0.63,
06/20 13Z,  -1.00, -13.30, -13.23,  99.90,   1.07,  (min)
06/20 14Z,  -1.00, -12.38, -12.39,  99.90,   0.99,
06/20 15Z,  -1.00, -10.83, -10.92,  99.90,   0.91,
06/20 16Z,  -1.10,  -9.01,  -8.90,  99.90,   1.21,
06/20 17Z,  -1.10,  -7.58,  -7.43,  99.90,   1.25,
06/20 18Z,  -1.00,  -6.98,  -6.93,  99.90,   1.05,  (max)
06/20 19Z,  -1.10,  -7.23,  -7.30,  99.90,   1.03,
06/20 20Z,  -1.10,  -8.14,  -8.20,  99.90,   1.04,
06/20 21Z,  -1.10,  -9.50,  -9.63,  99.90,   0.97,
06/20 22Z,  -1.10, -10.92, -10.95,  99.90,   1.07,
06/20 23Z,  -1.10, -11.97, -11.84,  99.90,   1.23,
06/21 00Z,  -1.10, -12.30, -12.24,  99.90,   1.16,  (min)
06/21 01Z,  -1.20, -11.75, -11.94,  99.90,   1.01,
06/21 02Z,  -1.20, -10.42, -10.54,  99.90,   1.08,
06/21 03Z,  -1.20,  -8.51,  -8.55,  99.90,   1.16,
06/21 04Z,  -1.20,  -6.31,  -6.42,  99.90,   1.09,
06/21 05Z,  -1.10,  -4.43,  -4.51,  99.90,   1.02,
06/21 06Z,  -1.00,  -3.48,  -3.52,  99.90,   0.96,  (max)
06/21 07Z,  -1.00,  -3.65,  -3.88,  99.90,   0.77,
06/21 08Z,  -0.90,  -4.84,  -5.06,  99.90,   0.68,
06/21 09Z,  -0.90,  -6.83,  -6.96,  99.90,   0.77,
06/21 10Z,  -0.80,  -9.30,  -9.39,  99.90,   0.71,
06/21 11Z,  -0.80, -11.74, -11.81,  99.90,   0.73,
06/21 12Z,  -0.80, -13.66, -13.73,  99.90,   0.73,
06/21 13Z,  -0.70, -14.69, -14.60,  99.90,   0.79,  (min)
06/21 14Z,  -0.70, -14.70, -14.48,  99.90,   0.92,
06/21 15Z,  -0.70, -13.73, -13.55,  99.90,   0.88,
06/21 16Z,  -0.70, -11.92, -11.77,  99.90,   0.85,
06/21 17Z,  -0.70,  -9.73,  -9.58,  99.90,   0.85,
06/21 18Z,  -0.80,  -7.89,  -7.75,  99.90,   0.94,
06/21 19Z,  -0.80,  -6.88,  -6.90,  99.90,   0.78,
06/21 20Z,  -0.80,  -6.78,  -6.89,  99.90,   0.69,  (max)
06/21 21Z,  -0.80,  -7.50,  -7.72,  99.90,   0.58,
06/21 22Z,  -0.80,  -8.78,  -8.96,  99.90,   0.62,
06/21 23Z,  -0.80, -10.21, -10.32,  99.90,   0.69,
06/22 00Z,  -0.80, -11.29, -11.44,  99.90,   0.65,
06/22 01Z,  -0.90, -11.66, -11.92,  99.90,   0.64,  (min)
06/22 02Z,  -0.90, -11.16, -11.39,  99.90,   0.67,
06/22 03Z,  -0.90,  -9.87, -10.14,  99.90,   0.63,
06/22 04Z,  -0.90,  -7.93,  -8.11,  99.90,   0.72,
06/22 05Z,  -0.90,  -5.67,  -5.86,  99.90,   0.71,
06/22 06Z,  -0.90,  -3.75,  -4.05,  99.90,   0.60,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
06/22 07Z,  -0.90,  -2.82,  99.90,  -3.12,   0.60,  (max)
06/22 08Z,  -0.90,  -3.08,  99.90,  -3.38,   0.60,
06/22 09Z,  -0.90,  -4.48,  99.90,  -4.79,   0.60,
06/22 10Z,  -0.90,  -6.83,  99.90,  -7.14,   0.59,
06/22 11Z,  -0.90,  -9.70,  99.90, -10.01,   0.59,
06/22 12Z,  -0.90, -12.53,  99.90, -12.84,   0.59,
06/22 13Z,  -0.90, -14.76,  99.90, -15.08,   0.59,
06/22 14Z,  -0.90, -15.98,  99.90, -16.30,   0.58,  (min)
06/22 15Z,  -0.80, -16.02,  99.90, -16.23,   0.58,
06/22 16Z,  -0.80, -14.87,  99.90, -15.09,   0.58,
06/22 17Z,  -0.80, -12.71,  99.90, -12.93,   0.58,
06/22 18Z,  -0.80, -10.09,  99.90, -10.31,   0.57,
06/22 19Z,  -0.80,  -7.82,  99.90,  -8.05,   0.57,
06/22 20Z,  -0.80,  -6.45,  99.90,  -6.68,   0.57,
06/22 21Z,  -0.80,  -6.14,  99.90,  -6.37,   0.57,  (max)
06/22 22Z,  -0.80,  -6.81,  99.90,  -7.04,   0.57,
06/22 23Z,  -0.80,  -8.16,  99.90,  -8.38,   0.57,
06/23 00Z,  -0.80,  -9.68,  99.90,  -9.91,   0.57,
06/23 01Z,  -0.80, -10.87,  99.90, -11.10,   0.57,
06/23 02Z,  -0.80, -11.32,  99.90, -11.54,   0.57,  (min)
06/23 03Z,  -0.80, -10.86,  99.90, -11.09,   0.57,
06/23 04Z,  -0.80,  -9.56,  99.90,  -9.79,   0.57,
06/23 05Z,  -0.80,  -7.53,  99.90,  -7.76,   0.57,
06/23 06Z,  -0.80,  -5.15,  99.90,  -5.38,   0.57,
06/23 07Z,  -0.80,  -3.16,  99.90,  -3.38,   0.57,
06/23 08Z,  -0.70,  -2.22,  99.90,  -2.34,   0.57,  (max)
06/23 09Z,  -0.70,  -2.59,  99.90,  -2.72,   0.57,
06/23 10Z,  -0.70,  -4.27,  99.90,  -4.40,   0.57,
06/23 11Z,  -0.70,  -6.99,  99.90,  -7.11,   0.57,
06/23 12Z,  -0.70, -10.24,  99.90, -10.37,   0.57,
06/23 13Z,  -0.70, -13.39,  99.90, -13.52,   0.57,
06/23 14Z,  -0.70, -15.84,  99.90, -15.97,   0.57,
06/23 15Z,  -0.70, -17.13,  99.90, -17.26,   0.57,  (min)
06/23 16Z,  -0.70, -17.08,  99.90, -17.21,   0.57,
06/23 17Z,  -0.70, -15.66,  99.90, -15.79,   0.57,
06/23 18Z,  -0.70, -13.09,  99.90, -13.22,   0.57,
06/23 19Z,  -0.70, -10.03,  99.90, -10.16,   0.57,
06/23 20Z,  -0.70,  -7.41,  99.90,  -7.54,   0.57,
06/23 21Z,  -0.70,  -5.83,  99.90,  -5.95,   0.57,
06/23 22Z,  -0.70,  -5.48,  99.90,  -5.60,   0.57,  (max)
06/23 23Z,  -0.60,  -6.25,  99.90,  -6.28,   0.57,
06/24 00Z,  -0.60,  -7.77,  99.90,  -7.80,   0.57,
06/24 01Z,  -0.60,  -9.46,  99.90,  -9.48,   0.57,
06/24 02Z,  -0.70, -10.76,  99.90, -10.89,   0.57,
06/24 03Z,  -0.70, -11.27,  99.90, -11.40,   0.57,  (min)
06/24 04Z,  -0.70, -10.83,  99.90, -10.96,   0.57,
06/24 05Z,  -0.70,  -9.46,  99.90,  -9.59,   0.57,
06/24 06Z,  -0.70,  -7.28,  99.90,  -7.41,   0.57,
06/24 07Z,  -0.70,  -4.73,  99.90,  -4.85,   0.57,
06/24 08Z,  -0.70,  -2.64,  99.90,  -2.77,   0.57,
06/24 09Z,  -0.60,  -1.74,  99.90,  -1.76,   0.57,  (max)
06/24 10Z,  -0.60,  -2.30,  99.90,  -2.32,   0.57,
06/24 11Z,  -0.60,  -4.27,  99.90,  -4.30,   0.57,
06/24 12Z,  -0.60,  -7.33,  99.90,  -7.36,   0.57,
06/24 13Z,  -0.70, -10.89,  99.90, -11.02,   0.57,
06/24 14Z,  -0.70, -14.25,  99.90, -14.38,   0.57,
06/24 15Z,  -0.70, -16.78,  99.90, -16.91,   0.57,
06/24 16Z,  -0.70, -18.01,  99.90, -18.14,   0.57,  (min)
06/24 17Z,  -0.70, -17.77,  99.90, -17.89,   0.57,
06/24 18Z,  -0.60, -16.00,  99.90, -16.03,   0.57,
06/24 19Z,  -0.60, -13.00,  99.90, -13.02,   0.57,
06/24 20Z,  -0.60,  -9.58,  99.90,  -9.60,   0.57,
06/24 21Z,  -0.60,  -6.76,  99.90,  -6.79,   0.57,
06/24 22Z,  -0.50,  -5.17,  99.90,  -5.10,   0.57,
06/24 23Z,  -0.50,  -4.96,  99.90,  -4.89,   0.57,  (max)
06/25 00Z,  -0.50,  -5.97,  99.90,  -5.89,   0.57,
06/25 01Z,  -0.60,  -7.70,  99.90,  -7.73,   0.57,
06/25 02Z,  -0.60,  -9.55,  99.90,  -9.58,   0.57,
06/25 03Z,  -0.60, -10.94,  99.90, -10.97,   0.57,
06/25 04Z,  -0.60, -11.46,  99.90, -11.49,   0.57,  (min)
06/25 05Z,  -0.60, -10.98,  99.90, -11.00,   0.57,
06/25 06Z,  -0.60,  -9.48,  99.90,  -9.50,   0.57,
06/25 07Z,  -0.50,  -7.08,  99.90,  -7.01,   0.57,
06/25 08Z,  -0.50,  -4.36,  99.90,  -4.28,   0.57,
06/25 09Z,  -0.50,  -2.24,  99.90,  -2.17,   0.57,
06/25 10Z,  -0.50,  -1.47,  99.90,  -1.40,   0.57,  (max)
06/25 11Z,  -0.50,  -2.28,  99.90,  -2.21,   0.57,
06/25 12Z,  -0.50,  -4.55,  99.90,  -4.48,   0.57,
06/25 13Z,  -0.50,  -7.89,  99.90,  -7.81,   0.57,
06/25 14Z,  -0.60, -11.62,  99.90, -11.65,   0.57,
06/25 15Z,  -0.60, -15.03,  99.90, -15.06,   0.57,
06/25 16Z,  -0.60, -17.48,  99.90, -17.51,   0.57,
06/25 17Z,  -0.60, -18.53,  99.90, -18.56,   0.57,  (min)
06/25 18Z,  -0.60, -17.99,  99.90, -18.02,   0.57,
06/25 19Z,  -0.60, -15.83,  99.90, -15.86,   0.57,
06/25 20Z,  -0.50, -12.44,  99.90, -12.37,   0.57,
06/25 21Z,  -0.50,  -8.82,  99.90,  -8.75,   0.57,
06/25 22Z,  -0.40,  -6.03,  99.90,  -5.86,   0.57,
06/25 23Z,  -0.40,  -4.64,  99.90,  -4.47,   0.57,  (max)
06/26 00Z,  -0.40,  -4.72,  99.90,  -4.54,   0.57,