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
#Charleston, OR : 01/20/2026 15:21:47 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/19 00Z,   0.00,   1.58,   1.31,  99.90,  -0.27,
01/19 01Z,   0.00,   0.10,  -0.17,  99.90,  -0.27,
01/19 02Z,   0.00,  -0.60,  -0.81,  99.90,  -0.21,  (min)
01/19 03Z,   0.00,  -0.41,  -0.58,  99.90,  -0.17,
01/19 04Z,   0.00,   0.58,   0.41,  99.90,  -0.17,
01/19 05Z,   0.00,   2.07,   1.92,  99.90,  -0.15,
01/19 06Z,   0.00,   3.73,   3.63,  99.90,  -0.10,
01/19 07Z,   0.00,   5.24,   5.11,  99.90,  -0.13,
01/19 08Z,   0.00,   6.29,   6.11,  99.90,  -0.18,
01/19 09Z,   0.00,   6.67,   6.56,  99.90,  -0.11,  (max)
01/19 10Z,   0.00,   6.36,   6.24,  99.90,  -0.12,
01/19 11Z,   0.00,   5.56,   5.41,  99.90,  -0.15,
01/19 12Z,   0.00,   4.59,   4.46,  99.90,  -0.13,
01/19 13Z,   0.00,   3.78,   3.67,  99.90,  -0.11,
01/19 14Z,   0.00,   3.43,   3.41,  99.90,  -0.02,  (min)
01/19 15Z,   0.00,   3.73,   3.65,  99.90,  -0.08,
01/19 16Z,   0.00,   4.61,   4.58,  99.90,  -0.03,
01/19 17Z,   0.00,   5.83,   5.79,  99.90,  -0.04,
01/19 18Z,   0.00,   7.06,   7.02,  99.90,  -0.04,
01/19 19Z,   0.00,   7.97,   7.94,  99.90,  -0.03,
01/19 20Z,   0.00,   8.28,   8.21,  99.90,  -0.07,  (max)
01/19 21Z,  -0.10,   7.80,   7.66,  99.90,  -0.04,
01/19 22Z,   0.00,   6.52,   6.32,  99.90,  -0.20,
01/19 23Z,   0.10,   4.66,   4.54,  99.90,  -0.22,
01/20 00Z,   0.00,   2.62,   2.52,  99.90,  -0.10,
01/20 01Z,   0.10,   0.81,   0.68,  99.90,  -0.23,
01/20 02Z,   0.10,  -0.38,  -0.50,  99.90,  -0.22,
01/20 03Z,   0.10,  -0.68,  -0.82,  99.90,  -0.24,  (min)
01/20 04Z,   0.00,  -0.07,  -0.14,  99.90,  -0.07,
01/20 05Z,   0.00,   1.25,   1.19,  99.90,  -0.06,
01/20 06Z,   0.10,   2.93,   2.82,  99.90,  -0.21,
01/20 07Z,   0.10,   4.62,   4.46,  99.90,  -0.26,
01/20 08Z,   0.10,   5.99,   5.83,  99.90,  -0.26,
01/20 09Z,   0.00,   6.76,   6.65,  99.90,  -0.11,
01/20 10Z,   0.10,   6.79,   6.74,  99.90,  -0.15,  (max)
01/20 11Z,   0.20,   6.15,   6.07,  99.90,  -0.28,
01/20 12Z,   0.10,   5.12,   5.04,  99.90,  -0.18,
01/20 13Z,   0.10,   4.06,   3.99,  99.90,  -0.17,
01/20 14Z,   0.10,   3.33,   3.27,  99.90,  -0.16,
01/20 15Z,   0.20,   3.18,   3.11,  99.90,  -0.27,  (min)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/20 16Z,   0.10,   3.71,  99.90,   3.56,  -0.26,
01/20 17Z,   0.10,   4.79,  99.90,   4.65,  -0.25,
01/20 18Z,   0.00,   6.10,  99.90,   5.87,  -0.23,
01/20 19Z,   0.10,   7.28,  99.90,   7.15,  -0.22,
01/20 20Z,   0.10,   8.02,  99.90,   7.90,  -0.21,  (max)
01/20 21Z,   0.00,   8.07,  99.90,   7.87,  -0.20,
01/20 22Z,   0.00,   7.29,  99.90,   7.10,  -0.19,
01/20 23Z,   0.10,   5.76,  99.90,   5.68,  -0.18,
01/21 00Z,   0.20,   3.80,  99.90,   3.83,  -0.17,
01/21 01Z,   0.10,   1.82,  99.90,   1.76,  -0.16,
01/21 02Z,   0.00,   0.27,  99.90,   0.12,  -0.15,
01/21 03Z,   0.10,  -0.52,  99.90,  -0.56,  -0.14,  (min)
01/21 04Z,   0.10,  -0.38,  99.90,  -0.42,  -0.14,
01/21 05Z,   0.10,   0.62,  99.90,   0.58,  -0.14,
01/21 06Z,   0.10,   2.19,  99.90,   2.15,  -0.14,
01/21 07Z,   0.10,   3.94,  99.90,   3.91,  -0.14,
01/21 08Z,   0.10,   5.54,  99.90,   5.50,  -0.14,
01/21 09Z,   0.10,   6.66,  99.90,   6.62,  -0.14,
01/21 10Z,   0.10,   7.08,  99.90,   7.04,  -0.14,  (max)
01/21 11Z,   0.10,   6.74,  99.90,   6.70,  -0.14,
01/21 12Z,   0.20,   5.79,  99.90,   5.86,  -0.14,
01/21 13Z,   0.10,   4.60,  99.90,   4.56,  -0.14,
01/21 14Z,   0.20,   3.52,  99.90,   3.59,  -0.14,
01/21 15Z,   0.20,   2.91,  99.90,   2.98,  -0.14,
01/21 16Z,   0.10,   2.97,  99.90,   2.94,  -0.14,  (min)
01/21 17Z,   0.10,   3.72,  99.90,   3.68,  -0.14,
01/21 18Z,   0.10,   4.92,  99.90,   4.88,  -0.14,
01/21 19Z,   0.10,   6.23,  99.90,   6.19,  -0.14,
01/21 20Z,   0.10,   7.29,  99.90,   7.25,  -0.14,
01/21 21Z,   0.10,   7.82,  99.90,   7.78,  -0.14,  (max)
01/21 22Z,   0.10,   7.61,  99.90,   7.58,  -0.14,
01/21 23Z,   0.20,   6.61,  99.90,   6.67,  -0.14,
01/22 00Z,   0.20,   4.95,  99.90,   5.02,  -0.14,
01/22 01Z,   0.10,   3.03,  99.90,   2.99,  -0.14,
01/22 02Z,   0.10,   1.28,  99.90,   1.24,  -0.14,
01/22 03Z,   0.10,   0.09,  99.90,   0.06,  -0.14,
01/22 04Z,   0.10,  -0.26,  99.90,  -0.30,  -0.14,  (min)
01/22 05Z,   0.10,   0.30,  99.90,   0.26,  -0.14,
01/22 06Z,   0.00,   1.60,  99.90,   1.46,  -0.14,
01/22 07Z,   0.10,   3.30,  99.90,   3.27,  -0.14,
01/22 08Z,   0.20,   5.01,  99.90,   5.07,  -0.14,
01/22 09Z,   0.10,   6.40,  99.90,   6.36,  -0.14,
01/22 10Z,   0.00,   7.19,  99.90,   7.06,  -0.14,
01/22 11Z,   0.00,   7.24,  99.90,   7.10,  -0.14,  (max)
01/22 12Z,   0.10,   6.54,  99.90,   6.50,  -0.14,
01/22 13Z,   0.10,   5.35,  99.90,   5.31,  -0.14,
01/22 14Z,   0.10,   4.05,  99.90,   4.01,  -0.14,
01/22 15Z,   0.10,   3.02,  99.90,   2.98,  -0.14,
01/22 16Z,   0.00,   2.55,  99.90,   2.41,  -0.14,  (min)
01/22 17Z,   0.10,   2.79,  99.90,   2.75,  -0.14,
01/22 18Z,   0.00,   3.66,  99.90,   3.53,  -0.14,
01/22 19Z,   0.00,   4.91,  99.90,   4.77,  -0.14,
01/22 20Z,   0.00,   6.15,  99.90,   6.01,  -0.14,
01/22 21Z,   0.00,   7.05,  99.90,   6.91,  -0.14,
01/22 22Z,   0.00,   7.38,  99.90,   7.24,  -0.14,  (max)
01/22 23Z,   0.10,   6.99,  99.90,   6.95,  -0.14,
01/23 00Z,   0.10,   5.87,  99.90,   5.83,  -0.14,
01/23 01Z,   0.00,   4.24,  99.90,   4.10,  -0.14,
01/23 02Z,   0.00,   2.51,  99.90,   2.37,  -0.14,
01/23 03Z,   0.00,   1.09,  99.90,   0.96,  -0.14,
01/23 04Z,   0.00,   0.33,  99.90,   0.19,  -0.14,  (min)
01/23 05Z,   0.00,   0.39,  99.90,   0.26,  -0.14,
01/23 06Z,   0.00,   1.28,  99.90,   1.15,  -0.14,
01/23 07Z,   0.00,   2.77,  99.90,   2.63,  -0.14,
01/23 08Z,   0.00,   4.47,  99.90,   4.33,  -0.14,
01/23 09Z,   0.00,   6.01,  99.90,   5.87,  -0.14,
01/23 10Z,   0.00,   7.11,  99.90,   6.98,  -0.14,
01/23 11Z,   0.00,   7.56,  99.90,   7.42,  -0.14,  (max)
01/23 12Z,   0.00,   7.24,  99.90,   7.10,  -0.14,
01/23 13Z,   0.00,   6.25,  99.90,   6.11,  -0.14,
01/23 14Z,   0.00,   4.89,  99.90,   4.75,  -0.14,
01/23 15Z,   0.00,   3.54,  99.90,   3.40,  -0.14,
01/23 16Z,   0.00,   2.57,  99.90,   2.43,  -0.14,
01/23 17Z,   0.00,   2.22,  99.90,   2.08,  -0.14,  (min)
01/23 18Z,  -0.10,   2.56,  99.90,   2.32,  -0.14,
01/23 19Z,   0.00,   3.49,  99.90,   3.35,  -0.14,
01/23 20Z,  -0.10,   4.69,  99.90,   4.45,  -0.14,
01/23 21Z,   0.00,   5.82,  99.90,   5.68,  -0.14,
01/23 22Z,   0.00,   6.58,  99.90,   6.44,  -0.14,
01/23 23Z,   0.00,   6.78,  99.90,   6.64,  -0.14,  (max)
01/24 00Z,   0.00,   6.31,  99.90,   6.17,  -0.14,
01/24 01Z,   0.00,   5.22,  99.90,   5.08,  -0.14,
01/24 02Z,   0.00,   3.77,  99.90,   3.63,  -0.14,
01/24 03Z,   0.00,   2.34,  99.90,   2.20,  -0.14,
01/24 04Z,   0.00,   1.31,  99.90,   1.17,  -0.14,
01/24 05Z,   0.00,   0.94,  99.90,   0.80,  -0.14,  (min)
01/24 06Z,  -0.10,   1.33,  99.90,   1.09,  -0.14,
01/24 07Z,  99.90,   2.42,  99.90,  99.90,  -0.14,
01/24 08Z,  99.90,   3.95,  99.90,  99.90,  -0.14,
01/24 09Z,  99.90,   5.53,  99.90,  99.90,  -0.14,
01/24 10Z,  99.90,   6.84,  99.90,  99.90,  -0.14,
01/24 11Z,  99.90,   7.64,  99.90,  99.90,  -0.14,
01/24 12Z,  99.90,   7.75,  99.90,  99.90,  -0.14,