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
#Port Clarence, AK : 08/19/2026 14:22:02 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/17 18Z,  -0.30,   7.13,  99.90,   6.83,   0.00,  (max)
08/17 19Z,  -0.30,   6.15,  99.90,   5.85,   0.00,
08/17 20Z,  -0.30,   4.74,  99.90,   4.44,   0.00,
08/17 21Z,  -0.30,   3.15,  99.90,   2.85,   0.00,
08/17 22Z,  -0.30,   1.74,  99.90,   1.44,   0.00,
08/17 23Z,  -0.30,   0.90,  99.90,   0.60,   0.00,
08/18 00Z,  -0.40,   0.96,  99.90,   0.56,   0.00,  (min)
08/18 01Z,  -0.30,   1.98,  99.90,   1.68,   0.00,
08/18 02Z,  -0.30,   3.74,  99.90,   3.44,   0.00,
08/18 03Z,  -0.20,   5.83,  99.90,   5.63,   0.00,
08/18 04Z,  -0.20,   7.60,  99.90,   7.40,   0.00,
08/18 05Z,  -0.20,   8.52,  99.90,   8.32,   0.00,
08/18 06Z,  -0.10,   8.45,  99.90,   8.35,   0.00,  (max)
08/18 07Z,  -0.10,   7.59,  99.90,   7.49,   0.00,
08/18 08Z,   0.00,   6.17,  99.90,   6.17,   0.00,
08/18 09Z,   0.00,   4.44,  99.90,   4.44,   0.00,
08/18 10Z,   0.00,   2.73,  99.90,   2.73,   0.00,
08/18 11Z,   0.00,   1.39,  99.90,   1.39,   0.00,
08/18 12Z,   0.00,   0.77,  99.90,   0.77,   0.00,  (min)
08/18 13Z,   0.00,   1.00,  99.90,   1.00,   0.00,
08/18 14Z,   0.00,   2.00,  99.90,   2.00,   0.00,
08/18 15Z,   0.00,   3.51,  99.90,   3.51,   0.00,
08/18 16Z,   0.10,   5.09,  99.90,   5.19,   0.00,
08/18 17Z,   0.10,   6.18,  99.90,   6.28,   0.00,
08/18 18Z,   0.10,   6.49,  99.90,   6.59,   0.00,  (max)
08/18 19Z,   0.10,   6.12,  99.90,   6.22,   0.00,
08/18 20Z,   0.10,   5.29,  99.90,   5.39,   0.00,
08/18 21Z,   0.10,   4.19,  99.90,   4.29,   0.00,
08/18 22Z,   0.10,   3.04,  99.90,   3.14,   0.00,
08/18 23Z,   0.10,   2.12,  99.90,   2.22,   0.00,
08/19 00Z,   0.00,   1.76,  99.90,   1.76,   0.00,  (min)
08/19 01Z,   0.00,   2.18,  99.90,   2.18,   0.00,
08/19 02Z,   0.00,   3.33,  99.90,   3.33,   0.00,
08/19 03Z,   0.00,   4.94,  99.90,   4.94,   0.00,
08/19 04Z,   0.00,   6.62,  99.90,   6.62,   0.00,
08/19 05Z,   0.00,   7.86,  99.90,   7.86,   0.00,
08/19 06Z,  -0.30,   8.30,  99.90,   8.00,   0.00,  (max)
08/19 07Z,  -0.30,   7.93,  99.90,   7.63,   0.00,
08/19 08Z,  -0.30,   6.96,  99.90,   6.66,   0.00,
08/19 09Z,  -0.30,   5.62,  99.90,   5.32,   0.00,
08/19 10Z,  -0.30,   4.09,  99.90,   3.79,   0.00,
08/19 11Z,  -0.30,   2.65,  99.90,   2.35,   0.00,
08/19 12Z,  -0.30,   1.60,  99.90,   1.30,   0.00,
08/19 13Z,  -0.30,   1.19,  99.90,   0.89,   0.00,  (min)
08/19 14Z,  -0.30,   1.46,  99.90,   1.16,   0.00,
08/19 15Z,  -0.40,   2.29,  99.90,   1.89,   0.00,
08/19 16Z,  -0.40,   3.49,  99.90,   3.09,   0.00,
08/19 17Z,  -0.40,   4.68,  99.90,   4.28,   0.00,
08/19 18Z,  -0.40,   5.44,  99.90,   5.04,   0.00,
08/19 19Z,  -0.40,   5.61,  99.90,   5.21,   0.00,  (max)
08/19 20Z,  -0.40,   5.31,  99.90,   4.91,   0.00,
08/19 21Z,  -0.40,   4.73,  99.90,   4.33,   0.00,
08/19 22Z,  -0.40,   4.00,  99.90,   3.60,   0.00,
08/19 23Z,  -0.40,   3.27,  99.90,   2.87,   0.00,
08/20 00Z,  -0.30,   2.75,  99.90,   2.45,   0.00,
08/20 01Z,  -0.30,   2.72,  99.90,   2.42,   0.00,  (min)
08/20 02Z,  -0.30,   3.30,  99.90,   3.00,   0.00,
08/20 03Z,  -0.30,   4.36,  99.90,   4.06,   0.00,
08/20 04Z,  -0.30,   5.67,  99.90,   5.37,   0.00,
08/20 05Z,  -0.30,   6.93,  99.90,   6.63,   0.00,
08/20 06Z,  -0.30,   7.75,  99.90,   7.45,   0.00,
08/20 07Z,  -0.30,   7.88,  99.90,   7.58,   0.00,  (max)
08/20 08Z,  -0.30,   7.39,  99.90,   7.09,   0.00,
08/20 09Z,  -0.30,   6.48,  99.90,   6.18,   0.00,
08/20 10Z,  -0.30,   5.29,  99.90,   4.99,   0.00,
08/20 11Z,  -0.30,   3.99,  99.90,   3.69,   0.00,
08/20 12Z,  -0.20,   2.79,  99.90,   2.59,   0.00,
08/20 13Z,  -0.20,   1.94,  99.90,   1.74,   0.00,
08/20 14Z,  -0.20,   1.60,  99.90,   1.40,   0.00,  (min)
08/20 15Z,  -0.20,   1.76,  99.90,   1.56,   0.00,
08/20 16Z,  -0.20,   2.34,  99.90,   2.14,   0.00,
08/20 17Z,  -0.10,   3.21,  99.90,   3.11,   0.00,
08/20 18Z,  -0.10,   4.13,  99.90,   4.03,   0.00,
08/20 19Z,  -0.10,   4.74,  99.90,   4.64,   0.00,
08/20 20Z,  -0.10,   4.93,  99.90,   4.83,   0.00,  (max)
08/20 21Z,   0.00,   4.81,  99.90,   4.81,   0.00,
08/20 22Z,   0.00,   4.52,  99.90,   4.52,   0.00,
08/20 23Z,   0.00,   4.12,  99.90,   4.12,   0.00,
08/21 00Z,   0.00,   3.72,  99.90,   3.72,   0.00,
08/21 01Z,   0.00,   3.46,  99.90,   3.46,   0.00,  (min)
08/21 02Z,   0.00,   3.57,  99.90,   3.57,   0.00,
08/21 03Z,   0.10,   4.10,  99.90,   4.20,   0.00,
08/21 04Z,   0.10,   4.93,  99.90,   5.03,   0.00,
08/21 05Z,   0.10,   5.93,  99.90,   6.03,   0.00,
08/21 06Z,   0.10,   6.87,  99.90,   6.97,   0.00,
08/21 07Z,   0.20,   7.45,  99.90,   7.65,   0.00,
08/21 08Z,   0.20,   7.47,  99.90,   7.67,   0.00,  (max)
08/21 09Z,   0.20,   7.02,  99.90,   7.22,   0.00,
08/21 10Z,   0.20,   6.24,  99.90,   6.44,   0.00,
08/21 11Z,   0.30,   5.23,  99.90,   5.53,   0.00,
08/21 12Z,   0.30,   4.11,  99.90,   4.41,   0.00,
08/21 13Z,   0.30,   3.05,  99.90,   3.35,   0.00,
08/21 14Z,   0.30,   2.25,  99.90,   2.55,   0.00,
08/21 15Z,   0.30,   1.84,  99.90,   2.14,   0.00,  (min)
08/21 16Z,   0.40,   1.81,  99.90,   2.21,   0.00,
08/21 17Z,   0.40,   2.12,  99.90,   2.52,   0.00,
08/21 18Z,   0.40,   2.76,  99.90,   3.16,   0.00,
08/21 19Z,   0.40,   3.56,  99.90,   3.96,   0.00,
08/21 20Z,   0.40,   4.21,  99.90,   4.61,   0.00,
08/21 21Z,   0.40,   4.57,  99.90,   4.97,   0.00,
08/21 22Z,   0.40,   4.70,  99.90,   5.10,   0.00,  (max)
08/21 23Z,   0.30,   4.66,  99.90,   4.96,   0.00,
08/22 00Z,   0.30,   4.47,  99.90,   4.77,   0.00,
08/22 01Z,   0.30,   4.23,  99.90,   4.53,   0.00,
08/22 02Z,   0.20,   4.06,  99.90,   4.26,   0.00,  (min)
08/22 03Z,   0.20,   4.11,  99.90,   4.31,   0.00,
08/22 04Z,   0.20,   4.46,  99.90,   4.66,   0.00,
08/22 05Z,   0.10,   5.04,  99.90,   5.14,   0.00,
08/22 06Z,   0.00,   5.81,  99.90,   5.81,   0.00,
08/22 07Z,   0.00,   6.63,  99.90,   6.63,   0.00,
08/22 08Z,  -0.10,   7.17,  99.90,   7.07,   0.00,  (max)
08/22 09Z,  -0.20,   7.25,  99.90,   7.05,   0.00,
08/22 10Z,  -0.30,   6.92,  99.90,   6.62,   0.00,
08/22 11Z,  -0.50,   6.28,  99.90,   5.78,   0.00,
08/22 12Z,  -0.60,   5.38,  99.90,   4.78,   0.00,
08/22 13Z,  -0.70,   4.30,  99.90,   3.60,   0.00,
08/22 14Z,  -0.90,   3.23,  99.90,   2.33,   0.00,
08/22 15Z,  -1.00,   2.35,  99.90,   1.35,   0.00,
08/22 16Z,  -1.10,   1.79,  99.90,   0.69,   0.00,
08/22 17Z,  -1.30,   1.57,  99.90,   0.27,   0.00,  (min)
08/22 18Z,  -1.40,   1.72,  99.90,   0.32,   0.00,
08/22 19Z,  -1.50,   2.28,  99.90,   0.78,   0.00,
08/22 20Z,  -1.50,   3.14,  99.90,   1.64,   0.00,
08/22 21Z,  -1.50,   3.96,  99.90,   2.46,   0.00,
08/22 22Z,  -1.60,   4.56,  99.90,   2.96,   0.00,
08/22 23Z,  -1.60,   4.94,  99.90,   3.34,   0.00,
08/23 00Z,  -1.60,   5.05,  99.90,   3.45,   0.00,  (max)
08/23 01Z,  -1.60,   4.90,  99.90,   3.30,   0.00,
08/23 02Z,  -1.60,   4.62,  99.90,   3.02,   0.00,
08/23 03Z,  -1.60,   4.37,  99.90,   2.77,   0.00,
08/23 04Z,  -1.60,   4.26,  99.90,   2.66,   0.00,  (min)
08/23 05Z,  -1.60,   4.39,  99.90,   2.79,   0.00,
08/23 06Z,  -1.60,   4.80,  99.90,   3.20,   0.00,