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
#Clarks Point, Nushagak Bay, AK : 05/18/2026 15:21:54 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/17 00Z,   1.30,  -8.39,  99.90,  -7.09,   0.00,
05/17 01Z,   1.10,  -8.05,  99.90,  -6.95,   0.00,  (max)
05/17 02Z,   1.00,  -9.52,  99.90,  -8.52,   0.00,
05/17 03Z,   1.00, -12.66,  99.90, -11.66,   0.00,
05/17 04Z,   0.90, -16.80,  99.90, -15.90,   0.00,
05/17 05Z,   0.80, -21.03,  99.90, -20.23,   0.00,
05/17 06Z,   0.90, -24.58,  99.90, -23.68,   0.00,
05/17 07Z,   1.00, -26.71,  99.90, -25.71,   0.00,  (min)
05/17 08Z,   1.10, -26.64,  99.90, -25.54,   0.00,
05/17 09Z,   1.30, -23.97,  99.90, -22.67,   0.00,
05/17 10Z,   1.40, -19.20,  99.90, -17.80,   0.00,
05/17 11Z,   1.50, -13.56,  99.90, -12.06,   0.00,
05/17 12Z,   1.70,  -8.31,  99.90,  -6.61,   0.00,
05/17 13Z,   1.90,  -4.35,  99.90,  -2.45,   0.00,
05/17 14Z,   2.20,  -2.34,  99.90,  -0.14,   0.00,  (max)
05/17 15Z,   2.30,  -2.55,  99.90,  -0.25,   0.00,
05/17 16Z,   2.40,  -4.67,  99.90,  -2.27,   0.00,
05/17 17Z,   2.50,  -7.96,  99.90,  -5.46,   0.00,
05/17 18Z,   2.50, -11.64,  99.90,  -9.14,   0.00,
05/17 19Z,   2.50, -14.98,  99.90, -12.48,   0.00,
05/17 20Z,   2.40, -17.15,  99.90, -14.75,   0.00,
05/17 21Z,   2.30, -17.41,  99.90, -15.11,   0.00,  (min)
05/17 22Z,   2.10, -15.73,  99.90, -13.63,   0.00,
05/17 23Z,   1.90, -12.97,  99.90, -11.07,   0.00,
05/18 00Z,   1.60, -10.28,  99.90,  -8.68,   0.00,
05/18 01Z,   1.40,  -8.57,  99.90,  -7.17,   0.00,  (max)
05/18 02Z,   1.10,  -8.41,  99.90,  -7.31,   0.00,
05/18 03Z,   0.90, -10.12,  99.90,  -9.22,   0.00,
05/18 04Z,   0.70, -13.50,  99.90, -12.80,   0.00,
05/18 05Z,   0.50, -17.82,  99.90, -17.32,   0.00,
05/18 06Z,   0.60, -22.15,  99.90, -21.55,   0.00,
05/18 07Z,   0.60, -25.71,  99.90, -25.11,   0.00,
05/18 08Z,   0.70, -27.68,  99.90, -26.98,   0.00,  (min)
05/18 09Z,   0.80, -27.24,  99.90, -26.44,   0.00,
05/18 10Z,   0.80, -24.08,  99.90, -23.28,   0.00,
05/18 11Z,   0.80, -18.85,  99.90, -18.05,   0.00,
05/18 12Z,   0.80, -12.85,  99.90, -12.05,   0.00,
05/18 13Z,   0.80,  -7.33,  99.90,  -6.53,   0.00,
05/18 14Z,   0.90,  -3.24,  99.90,  -2.34,   0.00,
05/18 15Z,   0.90,  -1.26,  99.90,  -0.36,   0.00,  (max)
05/18 16Z,   0.80,  -1.63,  99.90,  -0.83,   0.00,
05/18 17Z,   0.80,  -4.00,  99.90,  -3.20,   0.00,
05/18 18Z,   0.80,  -7.57,  99.90,  -6.77,   0.00,
05/18 19Z,   0.70, -11.55,  99.90, -10.85,   0.00,
05/18 20Z,   0.70, -15.14,  99.90, -14.44,   0.00,
05/18 21Z,   0.70, -17.42,  99.90, -16.72,   0.00,
05/18 22Z,   0.60, -17.64,  99.90, -17.04,   0.00,  (min)
05/18 23Z,   0.50, -15.88,  99.90, -15.38,   0.00,
05/19 00Z,   0.30, -13.08,  99.90, -12.78,   0.00,
05/19 01Z,   0.10, -10.39,  99.90, -10.29,   0.00,
05/19 02Z,   0.20,  -8.69,  99.90,  -8.49,   0.00,
05/19 03Z,   0.20,  -8.61,  99.90,  -8.41,   0.00,  (max)
05/19 04Z,   0.20, -10.44,  99.90, -10.24,   0.00,
05/19 05Z,   0.40, -13.94,  99.90, -13.54,   0.00,
05/19 06Z,   0.60, -18.35,  99.90, -17.75,   0.00,
05/19 07Z,   1.00, -22.75,  99.90, -21.75,   0.00,
05/19 08Z,   1.40, -26.31,  99.90, -24.91,   0.00,
05/19 09Z,   1.80, -28.16,  99.90, -26.36,   0.00,  (min)
05/19 10Z,   2.10, -27.45,  99.90, -25.35,   0.00,
05/19 11Z,   2.30, -23.94,  99.90, -21.64,   0.00,
05/19 12Z,   2.40, -18.41,  99.90, -16.01,   0.00,
05/19 13Z,   2.40, -12.20,  99.90,  -9.80,   0.00,
05/19 14Z,   2.30,  -6.57,  99.90,  -4.27,   0.00,
05/19 15Z,   2.00,  -2.46,  99.90,  -0.46,   0.00,
05/19 16Z,   1.70,  -0.57,  99.90,   1.13,   0.00,  (max)
05/19 17Z,   1.30,  -1.14,  99.90,   0.16,   0.00,
05/19 18Z,   0.90,  -3.74,  99.90,  -2.84,   0.00,
05/19 19Z,   0.70,  -7.58,  99.90,  -6.88,   0.00,
05/19 20Z,   0.50, -11.82,  99.90, -11.32,   0.00,
05/19 21Z,   0.40, -15.62,  99.90, -15.22,   0.00,
05/19 22Z,   0.30, -17.94,  99.90, -17.64,   0.00,
05/19 23Z,   0.20, -18.08,  99.90, -17.88,   0.00,  (min)
05/20 00Z,   0.20, -16.21,  99.90, -16.01,   0.00,
05/20 01Z,   0.20, -13.31,  99.90, -13.11,   0.00,
05/20 02Z,   0.30, -10.54,  99.90, -10.24,   0.00,
05/20 03Z,   0.30,  -8.77,  99.90,  -8.47,   0.00,
05/20 04Z,   0.40,  -8.65,  99.90,  -8.25,   0.00,  (max)
05/20 05Z,   0.40, -10.48,  99.90, -10.08,   0.00,
05/20 06Z,   0.50, -13.99,  99.90, -13.49,   0.00,
05/20 07Z,   0.50, -18.40,  99.90, -17.90,   0.00,
05/20 08Z,   0.60, -22.81,  99.90, -22.21,   0.00,
05/20 09Z,   0.60, -26.37,  99.90, -25.77,   0.00,
05/20 10Z,   0.70, -28.13,  99.90, -27.43,   0.00,  (min)
05/20 11Z,   0.70, -27.23,  99.90, -26.53,   0.00,
05/20 12Z,   0.70, -23.52,  99.90, -22.82,   0.00,
05/20 13Z,   0.70, -17.87,  99.90, -17.17,   0.00,
05/20 14Z,   0.70, -11.62,  99.90, -10.92,   0.00,
05/20 15Z,   0.70,  -6.01,  99.90,  -5.31,   0.00,
05/20 16Z,   0.60,  -1.99,  99.90,  -1.39,   0.00,
05/20 17Z,   0.60,  -0.28,  99.90,   0.32,   0.00,  (max)
05/20 18Z,   0.50,  -1.08,  99.90,  -0.58,   0.00,
05/20 19Z,   0.50,  -3.91,  99.90,  -3.41,   0.00,
05/20 20Z,   0.50,  -7.97,  99.90,  -7.47,   0.00,
05/20 21Z,   0.50, -12.45,  99.90, -11.95,   0.00,
05/20 22Z,   0.50, -16.38,  99.90, -15.88,   0.00,
05/20 23Z,   0.50, -18.70,  99.90, -18.20,   0.00,
05/21 00Z,   0.50, -18.72,  99.90, -18.22,   0.00,  (min)
05/21 01Z,   0.40, -16.70,  99.90, -16.30,   0.00,
05/21 02Z,   0.40, -13.67,  99.90, -13.27,   0.00,
05/21 03Z,   0.30, -10.76,  99.90, -10.46,   0.00,
05/21 04Z,   0.30,  -8.84,  99.90,  -8.54,   0.00,
05/21 05Z,   0.20,  -8.58,  99.90,  -8.38,   0.00,  (max)
05/21 06Z,   0.20, -10.29,  99.90, -10.09,   0.00,
05/21 07Z,   0.40, -13.69,  99.90, -13.29,   0.00,
05/21 08Z,   0.60, -18.00,  99.90, -17.40,   0.00,
05/21 09Z,   0.90, -22.36,  99.90, -21.46,   0.00,
05/21 10Z,   1.40, -25.89,  99.90, -24.49,   0.00,
05/21 11Z,   1.80, -27.59,  99.90, -25.79,   0.00,  (min)
05/21 12Z,   2.20, -26.58,  99.90, -24.38,   0.00,
05/21 13Z,   2.50, -22.81,  99.90, -20.31,   0.00,
05/21 14Z,   2.40, -17.20,  99.90, -14.80,   0.00,
05/21 15Z,   2.20, -11.08,  99.90,  -8.88,   0.00,
05/21 16Z,   2.00,  -5.64,  99.90,  -3.64,   0.00,
05/21 17Z,   1.70,  -1.84,  99.90,  -0.14,   0.00,
05/21 18Z,   1.40,  -0.38,  99.90,   1.02,   0.00,  (max)
05/21 19Z,   1.20,  -1.42,  99.90,  -0.22,   0.00,
05/21 20Z,   1.10,  -4.47,  99.90,  -3.37,   0.00,
05/21 21Z,   1.10,  -8.74,  99.90,  -7.64,   0.00,
05/21 22Z,   1.10, -13.39,  99.90, -12.29,   0.00,
05/21 23Z,   1.20, -17.41,  99.90, -16.21,   0.00,
05/22 00Z,   1.40, -19.66,  99.90, -18.26,   0.00,  (min)
05/22 01Z,   1.60, -19.52,  99.90, -17.92,   0.00,
05/22 02Z,   1.80, -17.34,  99.90, -15.54,   0.00,
05/22 03Z,   1.90, -14.16,  99.90, -12.26,   0.00,
05/22 04Z,   1.90, -11.06,  99.90,  -9.16,   0.00,
05/22 05Z,   1.90,  -8.91,  99.90,  -7.01,   0.00,
05/22 06Z,   2.00,  -8.43,  99.90,  -6.43,   0.00,
05/22 07Z,  99.90,  -9.92,  99.90,  99.90,   0.00,
05/22 08Z,  99.90, -13.10,  99.90,  99.90,   0.00,
05/22 09Z,  99.90, -17.21,  99.90,  99.90,   0.00,
05/22 10Z,  99.90, -21.45,  99.90,  99.90,   0.00,
05/22 11Z,  99.90, -24.93,  99.90,  99.90,   0.00,
05/22 12Z,  99.90, -26.57,  99.90,  99.90,   0.00,