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

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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 : 01/18/2026 20:21:48 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/17 00Z,  -3.30,   9.01,  99.90,   5.71,   0.00,
01/17 01Z,  -3.10,   9.06,  99.90,   5.96,   0.00,  (max)
01/17 02Z,  -2.80,   8.39,  99.90,   5.59,   0.00,
01/17 03Z,  -2.50,   7.10,  99.90,   4.60,   0.00,
01/17 04Z,  -2.00,   5.34,  99.90,   3.34,   0.00,
01/17 05Z,  -1.60,   3.40,  99.90,   1.80,   0.00,
01/17 06Z,  -1.60,   1.65,  99.90,   0.05,   0.00,
01/17 07Z,  -1.50,   0.40,  99.90,  -1.10,   0.00,
01/17 08Z,  -1.30,  -0.13,  99.90,  -1.43,   0.00,  (min)
01/17 09Z,  -1.20,   0.14,  99.90,  -1.06,   0.00,
01/17 10Z,  -1.20,   1.26,  99.90,   0.06,   0.00,
01/17 11Z,  -1.10,   2.97,  99.90,   1.87,   0.00,
01/17 12Z,  -0.80,   4.73,  99.90,   3.93,   0.00,
01/17 13Z,  -0.70,   6.01,  99.90,   5.31,   0.00,
01/17 14Z,  -0.50,   6.64,  99.90,   6.14,   0.00,
01/17 15Z,  -0.20,   6.62,  99.90,   6.42,   0.00,  (max)
01/17 16Z,   0.00,   6.06,  99.90,   6.06,   0.00,
01/17 17Z,   0.30,   5.20,  99.90,   5.50,   0.00,
01/17 18Z,   1.10,   4.32,  99.90,   5.42,   0.00,
01/17 19Z,   1.40,   3.74,  99.90,   5.14,   0.00,  (min)
01/17 20Z,   1.60,   3.69,  99.90,   5.29,   0.00,
01/17 21Z,   1.80,   4.32,  99.90,   6.12,   0.00,
01/17 22Z,   1.90,   5.62,  99.90,   7.52,   0.00,
01/17 23Z,   2.00,   7.31,  99.90,   9.31,   0.00,
01/18 00Z,   2.40,   8.77,  99.90,  11.17,   0.00,
01/18 01Z,   2.40,   9.44,  99.90,  11.84,   0.00,  0.28 ft above HAT  (max)
01/18 02Z,   2.50,   9.23,  99.90,  11.73,   0.00,  0.17 ft above HAT
01/18 03Z,   2.50,   8.24,  99.90,  10.74,   0.00,
01/18 04Z,   2.50,   6.62,  99.90,   9.12,   0.00,
01/18 05Z,   2.50,   4.58,  99.90,   7.08,   0.00,
01/18 06Z,   2.60,   2.48,  99.90,   5.08,   0.00,
01/18 07Z,   2.50,   0.74,  99.90,   3.24,   0.00,
01/18 08Z,   2.50,  -0.32,  99.90,   2.18,   0.00,
01/18 09Z,   2.50,  -0.52,  99.90,   1.98,   0.00,  (min)
01/18 10Z,   2.40,   0.22,  99.90,   2.62,   0.00,
01/18 11Z,   2.40,   1.81,  99.90,   4.21,   0.00,
01/18 12Z,   2.10,   3.84,  99.90,   5.94,   0.00,
01/18 13Z,   2.10,   5.62,  99.90,   7.72,   0.00,
01/18 14Z,   2.10,   6.71,  99.90,   8.81,   0.00,
01/18 15Z,   2.00,   7.03,  99.90,   9.03,   0.00,  (max)
01/18 16Z,   1.90,   6.66,  99.90,   8.56,   0.00,
01/18 17Z,   1.80,   5.80,  99.90,   7.60,   0.00,
01/18 18Z,   1.80,   4.73,  99.90,   6.53,   0.00,
01/18 19Z,   1.70,   3.77,  99.90,   5.47,   0.00,
01/18 20Z,   1.60,   3.26,  99.90,   4.86,   0.00,  (min)
01/18 21Z,   1.50,   3.47,  99.90,   4.97,   0.00,
01/18 22Z,   1.40,   4.46,  99.90,   5.86,   0.00,
01/18 23Z,   1.30,   6.10,  99.90,   7.40,   0.00,
01/19 00Z,   1.30,   7.95,  99.90,   9.25,   0.00,
01/19 01Z,   1.20,   9.29,  99.90,  10.49,   0.00,
01/19 02Z,   1.10,   9.68,  99.90,  10.78,   0.00,  (max)
01/19 03Z,   1.00,   9.13,  99.90,  10.13,   0.00,
01/19 04Z,   0.90,   7.78,  99.90,   8.68,   0.00,
01/19 05Z,   0.80,   5.84,  99.90,   6.64,   0.00,
01/19 06Z,   0.70,   3.60,  99.90,   4.30,   0.00,
01/19 07Z,   0.70,   1.47,  99.90,   2.17,   0.00,
01/19 08Z,   0.60,  -0.12,  99.90,   0.48,   0.00,
01/19 09Z,   0.60,  -0.84,  99.90,  -0.24,   0.00,  (min)
01/19 10Z,   0.60,  -0.55,  99.90,   0.05,   0.00,
01/19 11Z,   0.60,   0.73,  99.90,   1.33,   0.00,
01/19 12Z,   0.60,   2.74,  99.90,   3.34,   0.00,
01/19 13Z,   0.70,   4.91,  99.90,   5.61,   0.00,
01/19 14Z,   0.70,   6.53,  99.90,   7.23,   0.00,
01/19 15Z,   0.80,   7.27,  99.90,   8.07,   0.00,  (max)
01/19 16Z,   0.70,   7.18,  99.90,   7.88,   0.00,
01/19 17Z,   0.70,   6.45,  99.90,   7.15,   0.00,
01/19 18Z,   0.70,   5.32,  99.90,   6.02,   0.00,
01/19 19Z,   0.60,   4.10,  99.90,   4.70,   0.00,
01/19 20Z,   0.60,   3.16,  99.90,   3.76,   0.00,
01/19 21Z,   0.60,   2.86,  99.90,   3.46,   0.00,  (min)
01/19 22Z,   0.50,   3.42,  99.90,   3.92,   0.00,
01/19 23Z,   0.50,   4.79,  99.90,   5.29,   0.00,
01/20 00Z,   0.40,   6.70,  99.90,   7.10,   0.00,
01/20 01Z,   0.40,   8.53,  99.90,   8.93,   0.00,
01/20 02Z,   0.40,   9.61,  99.90,  10.01,   0.00,
01/20 03Z,   0.40,   9.62,  99.90,  10.02,   0.00,  (max)
01/20 04Z,   0.40,   8.68,  99.90,   9.08,   0.00,
01/20 05Z,   0.40,   7.00,  99.90,   7.40,   0.00,
01/20 06Z,   0.50,   4.83,  99.90,   5.33,   0.00,
01/20 07Z,   0.40,   2.53,  99.90,   2.93,   0.00,
01/20 08Z,   0.40,   0.52,  99.90,   0.92,   0.00,
01/20 09Z,   0.40,  -0.75,  99.90,  -0.35,   0.00,
01/20 10Z,   0.30,  -0.98,  99.90,  -0.68,   0.00,  (min)
01/20 11Z,   0.30,  -0.12,  99.90,   0.18,   0.00,
01/20 12Z,   0.30,   1.66,  99.90,   1.96,   0.00,
01/20 13Z,   0.20,   3.96,  99.90,   4.16,   0.00,
01/20 14Z,   0.20,   6.04,  99.90,   6.24,   0.00,
01/20 15Z,   0.20,   7.31,  99.90,   7.51,   0.00,
01/20 16Z,   0.10,   7.60,  99.90,   7.70,   0.00,  (max)
01/20 17Z,   0.10,   7.09,  99.90,   7.19,   0.00,
01/20 18Z,   0.10,   6.03,  99.90,   6.13,   0.00,
01/20 19Z,   0.10,   4.69,  99.90,   4.79,   0.00,
01/20 20Z,   0.10,   3.42,  99.90,   3.52,   0.00,
01/20 21Z,   0.10,   2.61,  99.90,   2.71,   0.00,  (min)
01/20 22Z,   0.10,   2.61,  99.90,   2.71,   0.00,
01/20 23Z,   0.10,   3.55,  99.90,   3.65,   0.00,
01/21 00Z,   0.10,   5.25,  99.90,   5.35,   0.00,
01/21 01Z,   0.10,   7.26,  99.90,   7.36,   0.00,
01/21 02Z,   0.10,   8.91,  99.90,   9.01,   0.00,
01/21 03Z,   0.10,   9.60,  99.90,   9.70,   0.00,  (max)
01/21 04Z,   0.20,   9.21,  99.90,   9.41,   0.00,
01/21 05Z,   0.20,   7.92,  99.90,   8.12,   0.00,
01/21 06Z,   0.20,   6.00,  99.90,   6.20,   0.00,
01/21 07Z,   0.20,   3.75,  99.90,   3.95,   0.00,
01/21 08Z,   0.20,   1.53,  99.90,   1.73,   0.00,
01/21 09Z,   0.30,  -0.18,  99.90,   0.12,   0.00,
01/21 10Z,   0.30,  -0.98,  99.90,  -0.68,   0.00,  (min)
01/21 11Z,   0.30,  -0.63,  99.90,  -0.33,   0.00,
01/21 12Z,   0.30,   0.78,  99.90,   1.08,   0.00,
01/21 13Z,   0.40,   2.95,  99.90,   3.35,   0.00,
01/21 14Z,   0.40,   5.28,  99.90,   5.68,   0.00,
01/21 15Z,   0.40,   7.07,  99.90,   7.47,   0.00,
01/21 16Z,   0.50,   7.86,  99.90,   8.36,   0.00,  (max)
01/21 17Z,   0.50,   7.68,  99.90,   8.18,   0.00,
01/21 18Z,   0.50,   6.78,  99.90,   7.28,   0.00,
01/21 19Z,   0.50,   5.46,  99.90,   5.96,   0.00,
01/21 20Z,   0.50,   4.00,  99.90,   4.50,   0.00,
01/21 21Z,   0.40,   2.77,  99.90,   3.17,   0.00,
01/21 22Z,   0.40,   2.18,  99.90,   2.58,   0.00,  (min)
01/21 23Z,   0.40,   2.52,  99.90,   2.92,   0.00,
01/22 00Z,   0.30,   3.81,  99.90,   4.11,   0.00,
01/22 01Z,   0.30,   5.69,  99.90,   5.99,   0.00,
01/22 02Z,   0.30,   7.62,  99.90,   7.92,   0.00,
01/22 03Z,   0.20,   8.94,  99.90,   9.14,   0.00,
01/22 04Z,   0.20,   9.22,  99.90,   9.42,   0.00,  (max)
01/22 05Z,   0.20,   8.47,  99.90,   8.67,   0.00,
01/22 06Z,   0.10,   6.95,  99.90,   7.05,   0.00,
01/22 07Z,   0.10,   4.94,  99.90,   5.04,   0.00,
01/22 08Z,   0.10,   2.77,  99.90,   2.87,   0.00,
01/22 09Z,   0.10,   0.82,  99.90,   0.92,   0.00,
01/22 10Z,   0.00,  -0.47,  99.90,  -0.47,   0.00,
01/22 11Z,   0.00,  -0.71,  99.90,  -0.71,   0.00,  (min)
01/22 12Z,   0.00,   0.21,  99.90,   0.21,   0.00,