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
Port Heiden, AK
Egegik, AK
Naknek, AK
Clark's Pt, AK
Goodnews Bay
Quinhagak, AK
Kuskokwak, AK
Eek, Apokak, AK
Popokamute, AK
Scammon Bay AK
St. Lawrence, AK
Kwikluak, AK
Kawanak, AK
Apoon, Yukon, AK
St. Michaels, AK
Golovin, AK
Nome, AK
Port Clarence, AK
Kotzebue, AK
Pt. Barrow, AK
Prudhoe Bay, AK
St. Paul Island AK
Surge List
Norton Sound
Arctic Alaska
#Alitak, AK : 07/20/2025 02:21:38 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/18 06Z,  -1.00,  -6.18,  -6.30,  99.90,   0.88,
07/18 07Z,  -1.10,  -8.31,  -8.35,  99.90,   1.06,
07/18 08Z,  -1.10, -10.48, -10.62,  99.90,   0.96,
07/18 09Z,  -1.10, -12.29, -12.32,  99.90,   1.07,
07/18 10Z,  -1.10, -13.36, -13.29,  99.90,   1.17,
07/18 11Z,  -1.00, -13.48, -13.42,  99.90,   1.06,  (min)
07/18 12Z,  -1.00, -12.72, -12.62,  99.90,   1.10,
07/18 13Z,  -1.10, -11.32, -11.23,  99.90,   1.19,
07/18 14Z,  -1.10,  -9.55,  -9.45,  99.90,   1.20,
07/18 15Z,  -1.00,  -7.93,  -7.71,  99.90,   1.22,
07/18 16Z,  -0.90,  -7.05,  -6.81,  99.90,   1.14,  (max)
07/18 17Z,  -0.80,  -7.11,  -7.01,  99.90,   0.90,
07/18 18Z,  -0.80,  -7.93,  -8.16,  99.90,   0.57,
07/18 19Z,  -0.80,  -9.21,  -9.15,  99.90,   0.86,
07/18 20Z,  -0.70, -10.59, -10.43,  99.90,   0.86,
07/18 21Z,  -0.70, -11.71, -11.71,  99.90,   0.70,
07/18 22Z,  -0.70, -12.20, -11.94,  99.90,   0.96,  (min)
07/18 23Z,  -0.70, -11.85, -11.84,  99.90,   0.71,
07/19 00Z,  -0.70, -10.69, -10.72,  99.90,   0.67,
07/19 01Z,  -0.70,  -8.96,  -8.97,  99.90,   0.69,
07/19 02Z,  -0.70,  -6.94,  -6.80,  99.90,   0.84,
07/19 03Z,  -0.70,  -5.02,  -5.12,  99.90,   0.60,
07/19 04Z,  -0.70,  -3.80,  -3.79,  99.90,   0.71,  (max)
07/19 05Z,  -0.60,  -3.65,  -3.88,  99.90,   0.37,
07/19 06Z,  -0.60,  -4.54,  -4.73,  99.90,   0.41,
07/19 07Z,  -0.60,  -6.20,  -6.37,  99.90,   0.43,
07/19 08Z,  -0.60,  -8.32,  -8.51,  99.90,   0.41,
07/19 09Z,  -0.60, -10.55, -10.79,  99.90,   0.36,
07/19 10Z,  -0.60, -12.48, -12.46,  99.90,   0.62,
07/19 11Z,  -0.60, -13.74, -13.89,  99.90,   0.45,
07/19 12Z,  -0.60, -14.11, -14.07,  99.90,   0.64,  (min)
07/19 13Z,  -0.60, -13.62, -13.33,  99.90,   0.89,
07/19 14Z,  -0.60, -12.41, -12.21,  99.90,   0.80,
07/19 15Z,  -0.60, -10.68, -10.59,  99.90,   0.69,
07/19 16Z,  -0.60,  -8.96,  -8.78,  99.90,   0.78,
07/19 17Z,  -0.60,  -7.82,  -7.72,  99.90,   0.70,
07/19 18Z,  -0.60,  -7.50,  -7.55,  99.90,   0.55,  (max)
07/19 19Z,  -0.60,  -7.87,  -8.03,  99.90,   0.44,
07/19 20Z,  -0.60,  -8.72,  -8.75,  99.90,   0.57,
07/19 21Z,  -0.60,  -9.78,  -9.88,  99.90,   0.50,
07/19 22Z,  -0.60, -10.68, -10.50,  99.90,   0.78,
07/19 23Z,  -0.60, -11.10, -11.08,  99.90,   0.62,  (min)
07/20 00Z,  -0.60, -10.82, -10.75,  99.90,   0.67,
07/20 01Z,  -0.60,  -9.86,  -9.98,  99.90,   0.48,
07/20 02Z,  -0.60,  -8.41,  -8.52,  99.90,   0.49,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/20 03Z,  -0.70,  -6.63,  99.90,  -6.81,   0.52,
07/20 04Z,  -0.70,  -4.88,  99.90,  -5.03,   0.55,
07/20 05Z,  -0.70,  -3.73,  99.90,  -3.85,   0.58,
07/20 06Z,  -0.70,  -3.58,  99.90,  -3.67,   0.61,  (max)
07/20 07Z,  -0.60,  -4.39,  99.90,  -4.35,   0.64,
07/20 08Z,  -0.60,  -5.99,  99.90,  -5.92,   0.67,
07/20 09Z,  -0.60,  -8.16,  99.90,  -8.06,   0.70,
07/20 10Z,  -0.60, -10.54,  99.90, -10.41,   0.73,
07/20 11Z,  -0.60, -12.71,  99.90, -12.55,   0.76,
07/20 12Z,  -0.60, -14.25,  99.90, -14.06,   0.79,
07/20 13Z,  -0.60, -14.92,  99.90, -14.70,   0.82,  (min)
07/20 14Z,  -0.60, -14.67,  99.90, -14.42,   0.85,
07/20 15Z,  -0.60, -13.53,  99.90, -13.29,   0.85,
07/20 16Z,  -0.70, -11.69,  99.90, -11.54,   0.85,
07/20 17Z,  -0.70,  -9.69,  99.90,  -9.55,   0.85,
07/20 18Z,  -0.70,  -8.19,  99.90,  -8.05,   0.85,
07/20 19Z,  -0.70,  -7.44,  99.90,  -7.29,   0.85,
07/20 20Z,  -0.70,  -7.40,  99.90,  -7.26,   0.85,  (max)
07/20 21Z,  -0.60,  -7.98,  99.90,  -7.74,   0.85,
07/20 22Z,  -0.60,  -8.91,  99.90,  -8.67,   0.85,
07/20 23Z,  -0.60,  -9.83,  99.90,  -9.58,   0.85,
07/21 00Z,  -0.60, -10.37,  99.90, -10.12,   0.85,  (min)
07/21 01Z,  -0.60, -10.30,  99.90, -10.05,   0.85,
07/21 02Z,  -0.70,  -9.61,  99.90,  -9.46,   0.85,
07/21 03Z,  -0.70,  -8.37,  99.90,  -8.23,   0.85,
07/21 04Z,  -0.70,  -6.68,  99.90,  -6.54,   0.85,
07/21 05Z,  -0.80,  -4.91,  99.90,  -4.87,   0.85,
07/21 06Z,  -0.80,  -3.68,  99.90,  -3.64,   0.85,
07/21 07Z,  -0.80,  -3.38,  99.90,  -3.33,   0.85,  (max)
07/21 08Z,  -0.80,  -4.05,  99.90,  -4.01,   0.85,
07/21 09Z,  -0.80,  -5.64,  99.90,  -5.59,   0.85,
07/21 10Z,  -0.70,  -7.94,  99.90,  -7.80,   0.85,
07/21 11Z,  -0.80, -10.58,  99.90, -10.53,   0.85,
07/21 12Z,  -0.80, -13.05,  99.90, -13.01,   0.85,
07/21 13Z,  -0.80, -14.91,  99.90, -14.86,   0.85,
07/21 14Z,  -0.80, -15.84,  99.90, -15.79,   0.85,  (min)
07/21 15Z,  -0.90, -15.71,  99.90, -15.77,   0.85,
07/21 16Z,  -0.90, -14.49,  99.90, -14.54,   0.85,
07/21 17Z,  -0.90, -12.37,  99.90, -12.43,   0.85,
07/21 18Z,  -0.80, -10.01,  99.90,  -9.97,   0.85,
07/21 19Z,  -0.80,  -8.10,  99.90,  -8.05,   0.85,
07/21 20Z,  -0.80,  -6.96,  99.90,  -6.91,   0.85,
07/21 21Z,  -0.80,  -6.69,  99.90,  -6.64,   0.85,  (max)
07/21 22Z,  -0.80,  -7.21,  99.90,  -7.17,   0.85,
07/21 23Z,  -0.80,  -8.24,  99.90,  -8.19,   0.85,
07/22 00Z,  -0.80,  -9.35,  99.90,  -9.30,   0.85,
07/22 01Z,  -0.80, -10.13,  99.90, -10.09,   0.85,
07/22 02Z,  -0.90, -10.33,  99.90, -10.38,   0.85,  (min)
07/22 03Z,  -0.90,  -9.85,  99.90,  -9.90,   0.85,
07/22 04Z,  -0.90,  -8.69,  99.90,  -8.75,   0.85,
07/22 05Z,  -0.90,  -6.93,  99.90,  -6.98,   0.85,
07/22 06Z,  -0.90,  -4.98,  99.90,  -5.04,   0.85,
07/22 07Z,  -0.90,  -3.53,  99.90,  -3.58,   0.85,
07/22 08Z,  -0.80,  -3.02,  99.90,  -2.97,   0.85,  (max)
07/22 09Z,  -0.80,  -3.60,  99.90,  -3.56,   0.85,
07/22 10Z,  -0.70,  -5.28,  99.90,  -5.14,   0.85,
07/22 11Z,  -0.70,  -7.83,  99.90,  -7.68,   0.85,
07/22 12Z,  -0.80, -10.77,  99.90, -10.73,   0.85,
07/22 13Z,  -0.80, -13.57,  99.90, -13.52,   0.85,
07/22 14Z,  -0.90, -15.68,  99.90, -15.74,   0.85,
07/22 15Z,  -0.90, -16.75,  99.90, -16.80,   0.85,  (min)
07/22 16Z,  -0.90, -16.59,  99.90, -16.64,   0.85,
07/22 17Z,  -0.90, -15.11,  99.90, -15.17,   0.85,
07/22 18Z,  -0.90, -12.61,  99.90, -12.67,   0.85,
07/22 19Z,  -0.80,  -9.84,  99.90,  -9.79,   0.85,
07/22 20Z,  -0.80,  -7.56,  99.90,  -7.51,   0.85,
07/22 21Z,  -0.80,  -6.21,  99.90,  -6.16,   0.85,
07/22 22Z,  -0.70,  -5.92,  99.90,  -5.78,   0.85,  (max)
07/22 23Z,  -0.70,  -6.62,  99.90,  -6.47,   0.85,
07/23 00Z,  -0.70,  -7.91,  99.90,  -7.77,   0.85,
07/23 01Z,  -0.70,  -9.32,  99.90,  -9.18,   0.85,
07/23 02Z,  -0.80, -10.39,  99.90, -10.34,   0.85,
07/23 03Z,  -0.80, -10.79,  99.90, -10.75,   0.85,  (min)
07/23 04Z,  -0.80, -10.41,  99.90, -10.36,   0.85,
07/23 05Z,  -0.80,  -9.17,  99.90,  -9.13,   0.85,
07/23 06Z,  -0.70,  -7.18,  99.90,  -7.03,   0.85,
07/23 07Z,  -0.70,  -4.93,  99.90,  -4.79,   0.85,
07/23 08Z,  -0.70,  -3.22,  99.90,  -3.08,   0.85,
07/23 09Z,  -0.60,  -2.58,  99.90,  -2.33,   0.85,  (max)
07/23 10Z,  -0.60,  -3.21,  99.90,  -2.96,   0.85,
07/23 11Z,  -0.60,  -5.11,  99.90,  -4.86,   0.85,
07/23 12Z,  -0.60,  -7.96,  99.90,  -7.71,   0.85,
07/23 13Z,  -0.60, -11.22,  99.90, -10.97,   0.85,
07/23 14Z,  -0.70, -14.26,  99.90, -14.11,   0.85,
07/23 15Z,  -0.70, -16.49,  99.90, -16.34,   0.85,
07/23 16Z,  -0.70, -17.52,  99.90, -17.38,   0.85,  (min)
07/23 17Z,  -0.70, -17.14,  99.90, -16.99,   0.85,
07/23 18Z,  -0.60, -15.27,  99.90, -15.03,   0.85,