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 Heiden, AK : 04/25/2025 13:20:54 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/23 18Z,  -0.30,  11.89,  99.90,  11.59,   0.00,
04/23 19Z,  -0.30,  12.01,  99.90,  11.71,   0.00,  (max)
04/23 20Z,  -0.30,  11.89,  99.90,  11.59,   0.00,
04/23 21Z,  -0.30,  11.35,  99.90,  11.05,   0.00,
04/23 22Z,  -0.30,  10.14,  99.90,   9.84,   0.00,
04/23 23Z,  -0.30,   8.30,  99.90,   8.00,   0.00,
04/24 00Z,  -0.20,   6.21,  99.90,   6.01,   0.00,
04/24 01Z,  -0.20,   4.63,  99.90,   4.43,   0.00,
04/24 02Z,  -0.20,   4.50,  99.90,   4.30,   0.00,  (min)
04/24 03Z,  -0.20,   5.96,  99.90,   5.76,   0.00,
04/24 04Z,  -0.10,   7.88,  99.90,   7.78,   0.00,
04/24 05Z,  -0.10,   9.12,  99.90,   9.02,   0.00,
04/24 06Z,   0.00,   9.55,  99.90,   9.55,   0.00,
04/24 07Z,   0.00,   9.62,  99.90,   9.62,   0.00,  (max)
04/24 08Z,   0.00,   9.51,  99.90,   9.51,   0.00,
04/24 09Z,   0.00,   9.01,  99.90,   9.01,   0.00,
04/24 10Z,   0.00,   7.86,  99.90,   7.86,   0.00,
04/24 11Z,   0.00,   6.12,  99.90,   6.12,   0.00,
04/24 12Z,  -0.10,   4.19,  99.90,   4.09,   0.00,
04/24 13Z,  -0.10,   2.79,  99.90,   2.69,   0.00,  (min)
04/24 14Z,  -0.10,   2.86,  99.90,   2.76,   0.00,
04/24 15Z,  -0.10,   4.82,  99.90,   4.72,   0.00,
04/24 16Z,  -0.20,   7.73,  99.90,   7.53,   0.00,
04/24 17Z,  -0.20,  10.10,  99.90,   9.90,   0.00,
04/24 18Z,  -0.20,  11.35,  99.90,  11.15,   0.00,
04/24 19Z,  -0.10,  11.78,  99.90,  11.68,   0.00,
04/24 20Z,  -0.10,  11.81,  99.90,  11.71,   0.00,  (max)
04/24 21Z,  -0.10,  11.51,  99.90,  11.41,   0.00,
04/24 22Z,   0.00,  10.61,  99.90,  10.61,   0.00,
04/24 23Z,   0.00,   8.93,  99.90,   8.93,   0.00,
04/25 00Z,   0.10,   6.64,  99.90,   6.74,   0.00,
04/25 01Z,   0.10,   4.31,  99.90,   4.41,   0.00,
04/25 02Z,   0.20,   2.86,  99.90,   3.06,   0.00,  (min)
04/25 03Z,   0.20,   3.25,  99.90,   3.45,   0.00,
04/25 04Z,   0.30,   5.40,  99.90,   5.70,   0.00,
04/25 05Z,   0.40,   7.91,  99.90,   8.31,   0.00,
04/25 06Z,   0.50,   9.57,  99.90,  10.07,   0.00,
04/25 07Z,   0.50,  10.27,  99.90,  10.77,   0.00,
04/25 08Z,   0.60,  10.43,  99.90,  11.03,   0.00,  (max)
04/25 09Z,   0.60,  10.35,  99.90,  10.95,   0.00,
04/25 10Z,   0.60,   9.88,  99.90,  10.48,   0.00,
04/25 11Z,   0.60,   8.75,  99.90,   9.35,   0.00,
04/25 12Z,   0.60,   6.98,  99.90,   7.58,   0.00,
04/25 13Z,   0.60,   4.99,  99.90,   5.59,   0.00,
04/25 14Z,   0.50,   3.53,  99.90,   4.03,   0.00,
04/25 15Z,   0.40,   3.61,  99.90,   4.01,   0.00,  (min)
04/25 16Z,   0.40,   5.55,  99.90,   5.95,   0.00,
04/25 17Z,   0.30,   8.27,  99.90,   8.57,   0.00,
04/25 18Z,   0.30,  10.32,  99.90,  10.62,   0.00,
04/25 19Z,   0.20,  11.28,  99.90,  11.48,   0.00,
04/25 20Z,   0.20,  11.55,  99.90,  11.75,   0.00,  (max)
04/25 21Z,   0.20,  11.48,  99.90,  11.68,   0.00,
04/25 22Z,   0.20,  10.95,  99.90,  11.15,   0.00,
04/25 23Z,   0.10,   9.64,  99.90,   9.74,   0.00,
04/26 00Z,   0.10,   7.47,  99.90,   7.57,   0.00,
04/26 01Z,   0.10,   4.76,  99.90,   4.86,   0.00,
04/26 02Z,   0.10,   2.23,  99.90,   2.33,   0.00,
04/26 03Z,   0.00,   1.01,  99.90,   1.01,   0.00,  (min)
04/26 04Z,   0.00,   2.03,  99.90,   2.03,   0.00,
04/26 05Z,   0.00,   4.91,  99.90,   4.91,   0.00,
04/26 06Z,   0.00,   8.03,  99.90,   8.03,   0.00,
04/26 07Z,   0.00,  10.13,  99.90,  10.13,   0.00,
04/26 08Z,   0.00,  11.11,  99.90,  11.11,   0.00,
04/26 09Z,   0.00,  11.39,  99.90,  11.39,   0.00,  (max)
04/26 10Z,   0.00,  11.32,  99.90,  11.32,   0.00,
04/26 11Z,   0.00,  10.89,  99.90,  10.89,   0.00,
04/26 12Z,   0.00,   9.79,  99.90,   9.79,   0.00,
04/26 13Z,   0.00,   8.00,  99.90,   8.00,   0.00,
04/26 14Z,   0.00,   5.89,  99.90,   5.89,   0.00,
04/26 15Z,   0.00,   4.31,  99.90,   4.31,   0.00,  (min)
04/26 16Z,   0.10,   4.32,  99.90,   4.42,   0.00,
04/26 17Z,   0.20,   6.16,  99.90,   6.36,   0.00,
04/26 18Z,   0.20,   8.64,  99.90,   8.84,   0.00,
04/26 19Z,   0.20,  10.38,  99.90,  10.58,   0.00,
04/26 20Z,   0.30,  11.09,  99.90,  11.39,   0.00,
04/26 21Z,   0.30,  11.23,  99.90,  11.53,   0.00,  (max)
04/26 22Z,   0.30,  11.05,  99.90,  11.35,   0.00,
04/26 23Z,   0.30,  10.25,  99.90,  10.55,   0.00,
04/27 00Z,   0.30,   8.53,  99.90,   8.83,   0.00,
04/27 01Z,   0.30,   5.91,  99.90,   6.21,   0.00,
04/27 02Z,   0.30,   2.83,  99.90,   3.13,   0.00,
04/27 03Z,   0.40,   0.20,  99.90,   0.60,   0.00,
04/27 04Z,   0.40,  -0.71,  99.90,  -0.31,   0.00,  (min)
04/27 05Z,   0.40,   0.96,  99.90,   1.36,   0.00,
04/27 06Z,   0.50,   4.54,  99.90,   5.04,   0.00,
04/27 07Z,   0.50,   8.23,  99.90,   8.73,   0.00,
04/27 08Z,   0.50,  10.75,  99.90,  11.25,   0.00,
04/27 09Z,   0.40,  11.99,  99.90,  12.39,   0.00,
04/27 10Z,   0.40,  12.38,  99.90,  12.78,   0.00,  (max)
04/27 11Z,   0.40,  12.34,  99.90,  12.74,   0.00,
04/27 12Z,   0.40,  11.93,  99.90,  12.33,   0.00,
04/27 13Z,   0.40,  10.84,  99.90,  11.24,   0.00,
04/27 14Z,   0.40,   8.98,  99.90,   9.38,   0.00,
04/27 15Z,   0.40,   6.74,  99.90,   7.14,   0.00,
04/27 16Z,   0.40,   5.00,  99.90,   5.40,   0.00,
04/27 17Z,   0.40,   4.89,  99.90,   5.29,   0.00,  (min)
04/27 18Z,   0.40,   6.59,  99.90,   6.99,   0.00,
04/27 19Z,   0.40,   8.84,  99.90,   9.24,   0.00,
04/27 20Z,   0.40,  10.30,  99.90,  10.70,   0.00,
04/27 21Z,   0.40,  10.81,  99.90,  11.21,   0.00,
04/27 22Z,   0.40,  10.89,  99.90,  11.29,   0.00,  (max)
04/27 23Z,   0.40,  10.58,  99.90,  10.98,   0.00,
04/28 00Z,   0.40,   9.52,  99.90,   9.92,   0.00,
04/28 01Z,   0.40,   7.45,  99.90,   7.85,   0.00,
04/28 02Z,   0.40,   4.45,  99.90,   4.85,   0.00,
04/28 03Z,   0.40,   1.09,  99.90,   1.49,   0.00,
04/28 04Z,   0.40,  -1.58,  99.90,  -1.18,   0.00,
04/28 05Z,   0.50,  -2.13,  99.90,  -1.63,   0.00,  (min)
04/28 06Z,   0.50,   0.15,  99.90,   0.65,   0.00,
04/28 07Z,   0.50,   4.35,  99.90,   4.85,   0.00,
04/28 08Z,   0.50,   8.50,  99.90,   9.00,   0.00,
04/28 09Z,   0.50,  11.36,  99.90,  11.86,   0.00,
04/28 10Z,   0.50,  12.82,  99.90,  13.32,   0.00,
04/28 11Z,   0.50,  13.31,  99.90,  13.81,   0.00,  (max)
04/28 12Z,   0.50,  13.28,  99.90,  13.78,   0.00,
04/28 13Z,   0.50,  12.87,  99.90,  13.37,   0.00,
04/28 14Z,   0.50,  11.75,  99.90,  12.25,   0.00,
04/28 15Z,   0.50,   9.80,  99.90,  10.30,   0.00,
04/28 16Z,   0.50,   7.39,  99.90,   7.89,   0.00,
04/28 17Z,   0.50,   5.48,  99.90,   5.98,   0.00,
04/28 18Z,   0.50,   5.25,  99.90,   5.75,   0.00,  (min)
04/28 19Z,   0.50,   6.83,  99.90,   7.33,   0.00,
04/28 20Z,   0.40,   8.88,  99.90,   9.28,   0.00,
04/28 21Z,   0.40,  10.14,  99.90,  10.54,   0.00,
04/28 22Z,   0.30,  10.53,  99.90,  10.83,   0.00,
04/28 23Z,   0.30,  10.55,  99.90,  10.85,   0.00,  (max)
04/29 00Z,   0.20,  10.14,  99.90,  10.34,   0.00,
04/29 01Z,   0.10,   8.88,  99.90,   8.98,   0.00,
04/29 02Z,   0.10,   6.54,  99.90,   6.64,   0.00,
04/29 03Z,   0.00,   3.28,  99.90,   3.28,   0.00,
04/29 04Z,   0.00,  -0.28,  99.90,  -0.28,   0.00,
04/29 05Z,   0.00,  -2.91,  99.90,  -2.91,   0.00,
04/29 06Z,   0.00,  -3.13,  99.90,  -3.13,   0.00,