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
#Apokak Creek Ent, AK : 04/19/2026 20:23:30 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/18 00Z,   0.00,  -3.26,  99.90,  -3.26,   0.00,  (max)
04/18 01Z,   0.00,  -5.34,  99.90,  -5.34,   0.00,
04/18 02Z,   0.00,  -7.49,  99.90,  -7.49,   0.00,
04/18 03Z,  -0.10,  -9.22,  99.90,  -9.32,   0.00,
04/18 04Z,  -0.10, -10.36,  99.90, -10.46,   0.00,
04/18 05Z,  -0.10, -10.95,  99.90, -11.05,   0.00,
04/18 06Z,  -0.20, -11.09,  99.90, -11.29,   0.00,  (min)
04/18 07Z,  -0.20, -10.68,  99.90, -10.88,   0.00,
04/18 08Z,  -0.20,  -9.20,  99.90,  -9.40,   0.00,
04/18 09Z,  -0.20,  -6.34,  99.90,  -6.54,   0.00,
04/18 10Z,  -0.20,  -2.97,  99.90,  -3.17,   0.00,
04/18 11Z,  -0.20,  -0.51,  99.90,  -0.71,   0.00,
04/18 12Z,  -0.10,   0.15,  99.90,   0.05,   0.00,  (max)
04/18 13Z,  -0.10,  -1.03,  99.90,  -1.13,   0.00,
04/18 14Z,  -0.10,  -3.23,  99.90,  -3.33,   0.00,
04/18 15Z,  -0.10,  -5.57,  99.90,  -5.67,   0.00,
04/18 16Z,   0.00,  -7.57,  99.90,  -7.57,   0.00,
04/18 17Z,   0.00,  -9.00,  99.90,  -9.00,   0.00,
04/18 18Z,   0.10,  -9.79,  99.90,  -9.69,   0.00,
04/18 19Z,   0.10,  -9.91,  99.90,  -9.81,   0.00,  (min)
04/18 20Z,   0.20,  -9.08,  99.90,  -8.88,   0.00,
04/18 21Z,   0.20,  -6.81,  99.90,  -6.61,   0.00,
04/18 22Z,   0.30,  -3.95,  99.90,  -3.65,   0.00,
04/18 23Z,   0.30,  -2.22,  99.90,  -1.92,   0.00,
04/19 00Z,   0.60,  -2.36,  99.90,  -1.76,   0.00,  (max)
04/19 01Z,   0.70,  -3.87,  99.90,  -3.17,   0.00,
04/19 02Z,   0.90,  -6.05,  99.90,  -5.15,   0.00,
04/19 03Z,   1.10,  -8.17,  99.90,  -7.07,   0.00,
04/19 04Z,   1.30,  -9.79,  99.90,  -8.49,   0.00,
04/19 05Z,   1.60, -10.80,  99.90,  -9.20,   0.00,
04/19 06Z,   1.80, -11.27,  99.90,  -9.47,   0.00,  (min)
04/19 07Z,   2.10, -11.31,  99.90,  -9.21,   0.00,
04/19 08Z,   2.40, -10.75,  99.90,  -8.35,   0.00,
04/19 09Z,   2.60,  -9.00,  99.90,  -6.40,   0.00,
04/19 10Z,   2.90,  -5.83,  99.90,  -2.93,   0.00,
04/19 11Z,   3.00,  -2.25,  99.90,   0.75,   0.00,
04/19 12Z,   2.40,   0.26,  99.90,   2.66,   0.00,
04/19 13Z,   2.40,   0.83,  99.90,   3.23,   0.00,  (max)
04/19 14Z,   2.30,  -0.52,  99.90,   1.78,   0.00,
04/19 15Z,   2.20,  -2.89,  99.90,  -0.69,   0.00,
04/19 16Z,   2.10,  -5.38,  99.90,  -3.28,   0.00,
04/19 17Z,   2.10,  -7.49,  99.90,  -5.39,   0.00,
04/19 18Z,   2.10,  -8.97,  99.90,  -6.87,   0.00,
04/19 19Z,   2.10,  -9.77,  99.90,  -7.67,   0.00,
04/19 20Z,   2.20,  -9.87,  99.90,  -7.67,   0.00,  (min)
04/19 21Z,   2.30,  -8.94,  99.90,  -6.64,   0.00,
04/19 22Z,   2.40,  -6.55,  99.90,  -4.15,   0.00,
04/19 23Z,   2.60,  -3.73,  99.90,  -1.13,   0.00,
04/20 00Z,   2.70,  -2.24,  99.90,   0.46,   0.00,  (max)
04/20 01Z,   2.70,  -2.64,  99.90,   0.06,   0.00,
04/20 02Z,   2.70,  -4.33,  99.90,  -1.63,   0.00,
04/20 03Z,   2.70,  -6.58,  99.90,  -3.88,   0.00,
04/20 04Z,   2.80,  -8.66,  99.90,  -5.86,   0.00,
04/20 05Z,   2.80, -10.20,  99.90,  -7.40,   0.00,
04/20 06Z,   2.70, -11.11,  99.90,  -8.41,   0.00,
04/20 07Z,   2.70, -11.49,  99.90,  -8.79,   0.00,
04/20 08Z,   2.60, -11.46,  99.90,  -8.86,   0.00,  (min)
04/20 09Z,   2.60, -10.78,  99.90,  -8.18,   0.00,
04/20 10Z,   2.50,  -8.78,  99.90,  -6.28,   0.00,
04/20 11Z,   2.50,  -5.35,  99.90,  -2.85,   0.00,
04/20 12Z,   2.40,  -1.63,  99.90,   0.77,   0.00,
04/20 13Z,   2.30,   0.88,  99.90,   3.18,   0.00,
04/20 14Z,   2.20,   1.33,  99.90,   3.53,   0.00,  (max)
04/20 15Z,   2.00,  -0.19,  99.90,   1.81,   0.00,
04/20 16Z,   1.90,  -2.70,  99.90,  -0.80,   0.00,
04/20 17Z,   1.70,  -5.31,  99.90,  -3.61,   0.00,
04/20 18Z,   1.50,  -7.50,  99.90,  -6.00,   0.00,
04/20 19Z,   1.30,  -9.02,  99.90,  -7.72,   0.00,
04/20 20Z,   1.20,  -9.80,  99.90,  -8.60,   0.00,
04/20 21Z,   1.20,  -9.86,  99.90,  -8.66,   0.00,  (min)
04/20 22Z,   1.20,  -8.84,  99.90,  -7.64,   0.00,
04/20 23Z,   1.20,  -6.36,  99.90,  -5.16,   0.00,
04/21 00Z,   1.20,  -3.58,  99.90,  -2.38,   0.00,
04/21 01Z,   1.30,  -2.25,  99.90,  -0.95,   0.00,  (max)
04/21 02Z,   1.20,  -2.81,  99.90,  -1.61,   0.00,
04/21 03Z,   1.20,  -4.61,  99.90,  -3.41,   0.00,
04/21 04Z,   1.10,  -6.89,  99.90,  -5.79,   0.00,
04/21 05Z,   1.00,  -8.95,  99.90,  -7.95,   0.00,
04/21 06Z,   0.90, -10.44,  99.90,  -9.54,   0.00,
04/21 07Z,   0.90, -11.30,  99.90, -10.40,   0.00,
04/21 08Z,   0.90, -11.63,  99.90, -10.73,   0.00,  (min)
04/21 09Z,   0.90, -11.54,  99.90, -10.64,   0.00,
04/21 10Z,   0.80, -10.75,  99.90,  -9.95,   0.00,
04/21 11Z,   0.80,  -8.56,  99.90,  -7.76,   0.00,
04/21 12Z,   0.70,  -4.95,  99.90,  -4.25,   0.00,
04/21 13Z,   0.60,  -1.16,  99.90,  -0.56,   0.00,
04/21 14Z,   0.50,   1.30,  99.90,   1.80,   0.00,
04/21 15Z,   0.40,   1.60,  99.90,   2.00,   0.00,  (max)
04/21 16Z,   0.20,  -0.07,  99.90,   0.13,   0.00,
04/21 17Z,   0.00,  -2.69,  99.90,  -2.69,   0.00,
04/21 18Z,  -0.10,  -5.37,  99.90,  -5.47,   0.00,
04/21 19Z,  -0.20,  -7.60,  99.90,  -7.80,   0.00,
04/21 20Z,  -0.40,  -9.12,  99.90,  -9.52,   0.00,
04/21 21Z,  -0.50,  -9.87,  99.90, -10.37,   0.00,
04/21 22Z,  -0.50,  -9.88,  99.90, -10.38,   0.00,  (min)
04/21 23Z,  -0.60,  -8.79,  99.90,  -9.39,   0.00,
04/22 00Z,  -0.70,  -6.26,  99.90,  -6.96,   0.00,
04/22 01Z,  -0.80,  -3.49,  99.90,  -4.29,   0.00,
04/22 02Z,  -0.70,  -2.22,  99.90,  -2.92,   0.00,  (max)
04/22 03Z,  -0.70,  -2.85,  99.90,  -3.55,   0.00,
04/22 04Z,  -0.60,  -4.71,  99.90,  -5.31,   0.00,
04/22 05Z,  -0.50,  -7.01,  99.90,  -7.51,   0.00,
04/22 06Z,  -0.50,  -9.06,  99.90,  -9.56,   0.00,
04/22 07Z,  -0.40, -10.54,  99.90, -10.94,   0.00,
04/22 08Z,  -0.30, -11.36,  99.90, -11.66,   0.00,
04/22 09Z,  -0.20, -11.67,  99.90, -11.87,   0.00,  (min)
04/22 10Z,   0.00, -11.55,  99.90, -11.55,   0.00,
04/22 11Z,   0.10, -10.66,  99.90, -10.56,   0.00,
04/22 12Z,   0.30,  -8.34,  99.90,  -8.04,   0.00,
04/22 13Z,   0.60,  -4.63,  99.90,  -4.03,   0.00,
04/22 14Z,   1.20,  -0.83,  99.90,   0.37,   0.00,
04/22 15Z,   1.70,   1.51,  99.90,   3.21,   0.00,
04/22 16Z,   2.10,   1.65,  99.90,   3.75,   0.00,  (max)
04/22 17Z,   2.40,  -0.15,  99.90,   2.25,   0.00,
04/22 18Z,   2.50,  -2.84,  99.90,  -0.34,   0.00,
04/22 19Z,   2.40,  -5.56,  99.90,  -3.16,   0.00,
04/22 20Z,   2.30,  -7.79,  99.90,  -5.49,   0.00,
04/22 21Z,   2.10,  -9.27,  99.90,  -7.17,   0.00,
04/22 22Z,   2.00,  -9.98,  99.90,  -7.98,   0.00,  (min)
04/22 23Z,   2.00,  -9.94,  99.90,  -7.94,   0.00,
04/23 00Z,   2.10,  -8.79,  99.90,  -6.69,   0.00,
04/23 01Z,   2.10,  -6.24,  99.90,  -4.14,   0.00,
04/23 02Z,   2.20,  -3.47,  99.90,  -1.27,   0.00,
04/23 03Z,   2.20,  -2.17,  99.90,   0.03,   0.00,  (max)
04/23 04Z,   2.10,  -2.78,  99.90,  -0.68,   0.00,
04/23 05Z,   2.10,  -4.64,  99.90,  -2.54,   0.00,
04/23 06Z,   2.00,  -6.94,  99.90,  -4.94,   0.00,
04/23 07Z,   1.90,  -9.00,  99.90,  -7.10,   0.00,
04/23 08Z,   1.80, -10.48,  99.90,  -8.68,   0.00,
04/23 09Z,   1.70, -11.32,  99.90,  -9.62,   0.00,
04/23 10Z,   1.70, -11.61,  99.90,  -9.91,   0.00,  (min)
04/23 11Z,   1.70, -11.47,  99.90,  -9.77,   0.00,
04/23 12Z,   1.70, -10.52,  99.90,  -8.82,   0.00,