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
#Anchorage, AK : 04/22/2025 02:20:50 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/20 06Z,  -0.30,  17.04,  17.26,  99.90,   0.52,
04/20 07Z,  -0.20,  20.99,  20.90,  99.90,   0.11,
04/20 08Z,  -0.20,  22.96,  23.14,  99.90,   0.38,
04/20 09Z,  -0.30,  24.00,  24.01,  99.90,   0.31,  (max)
04/20 10Z,  -0.30,  23.57,  22.80,  99.90,  -0.47,
04/20 11Z,  -0.30,  21.26,  20.07,  99.90,  -0.89,
04/20 12Z,  -0.30,  17.60,  16.38,  99.90,  -0.92,
04/20 13Z,  -0.30,  13.77,  12.93,  99.90,  -0.54,
04/20 14Z,  -0.30,  11.26,  10.38,  99.90,  -0.58,
04/20 15Z,  -0.30,  10.41,   9.69,  99.90,  -0.42,  (min)
04/20 16Z,  -0.30,  11.27,  12.14,  99.90,   1.17,
04/20 17Z,  -0.30,  14.83,  16.03,  99.90,   1.50,
04/20 18Z,  -0.30,  20.18,  19.71,  99.90,  -0.17,
04/20 19Z,  -0.30,  23.87,  22.21,  99.90,  -1.36,
04/20 20Z,  -0.40,  24.63,  23.41,  99.90,  -0.82,  (max)
04/20 21Z,  -0.40,  23.85,  22.80,  99.90,  -0.65,
04/20 22Z,  -0.50,  22.01,  20.43,  99.90,  -1.08,
04/20 23Z,  -0.50,  18.76,  16.54,  99.90,  -1.72,
04/21 00Z,  -0.50,  14.55,  12.51,  99.90,  -1.54,
04/21 01Z,  -0.50,  10.23,   8.89,  99.90,  -0.84,
04/21 02Z,  -0.50,   6.96,   5.64,  99.90,  -0.82,
04/21 03Z,  -0.50,   5.27,   3.29,  99.90,  -1.48,  (min)
04/21 04Z,  -0.50,   4.80,   3.46,  99.90,  -0.84,
04/21 05Z,  -0.50,   6.45,   7.53,  99.90,   1.58,
04/21 06Z,  -0.50,  11.05,  12.47,  99.90,   1.92,
04/21 07Z,  -0.50,  16.32,  16.65,  99.90,   0.83,
04/21 08Z,  -0.50,  19.82,  20.17,  99.90,   0.85,
04/21 09Z,  -0.50,  22.03,  22.64,  99.90,   1.11,
04/21 10Z,  -0.50,  23.53,  23.94,  99.90,   0.91,  (max)
04/21 11Z,  -0.50,  23.43,  23.40,  99.90,   0.47,
04/21 12Z,  -0.60,  21.39,  21.26,  99.90,   0.47,
04/21 13Z,  -0.50,  18.03,  17.86,  99.90,   0.33,
04/21 14Z,  -0.50,  14.54,  14.29,  99.90,   0.25,
04/21 15Z,  -0.50,  12.13,  11.55,  99.90,  -0.08,
04/21 16Z,  -0.50,  10.83,  10.05,  99.90,  -0.28,  (min)
04/21 17Z,  -0.50,  10.95,  10.89,  99.90,   0.44,
04/21 18Z,  -0.50,  13.85,  13.86,  99.90,   0.51,
04/21 19Z,  -0.40,  18.53,  17.51,  99.90,  -0.62,
04/21 20Z,  -0.40,  21.83,  20.44,  99.90,  -0.99,
04/21 21Z,  -0.40,  23.01,  22.12,  99.90,  -0.49,
04/21 22Z,  -0.40,  23.17,  22.48,  99.90,  -0.29,  (max)
04/21 23Z,  -0.40,  22.13,  21.07,  99.90,  -0.66,
04/22 00Z,  -0.50,  19.45,  18.07,  99.90,  -0.88,
04/22 01Z,  -0.50,  15.61,  14.11,  99.90,  -1.00,
04/22 02Z,  -0.40,  11.53,  10.47,  99.90,  -0.66,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/22 03Z,  -0.40,   8.30,  99.90,   7.30,  -0.60,
04/22 04Z,  -0.40,   6.18,  99.90,   5.23,  -0.55,
04/22 05Z,  -0.30,   4.98,  99.90,   4.19,  -0.50,  (min)
04/22 06Z,  -0.30,   6.10,  99.90,   5.36,  -0.44,
04/22 07Z,  -0.30,  10.37,  99.90,   9.68,  -0.39,
04/22 08Z,  -0.30,  15.40,  99.90,  14.77,  -0.33,
04/22 09Z,  -0.30,  19.12,  99.90,  18.54,  -0.28,
04/22 10Z,  -0.30,  22.02,  99.90,  21.49,  -0.23,
04/22 11Z,  -0.30,  24.09,  99.90,  23.62,  -0.17,
04/22 12Z,  -0.30,  24.23,  99.90,  23.81,  -0.12,  (max)
04/22 13Z,  -0.30,  22.25,  99.90,  21.88,  -0.06,
04/22 14Z,  -0.30,  18.87,  99.90,  18.56,  -0.01,
04/22 15Z,  -0.30,  15.28,  99.90,  14.97,  -0.01,
04/22 16Z,  -0.30,  12.40,  99.90,  12.09,  -0.01,
04/22 17Z,  -0.30,  10.16,  99.90,   9.85,  -0.01,
04/22 18Z,  -0.20,   9.42,  99.90,   9.21,  -0.01,  (min)
04/22 19Z,  -0.20,  11.90,  99.90,  11.69,  -0.01,
04/22 20Z,  -0.30,  16.47,  99.90,  16.16,  -0.01,
04/22 21Z,  -0.30,  20.13,  99.90,  19.82,  -0.01,
04/22 22Z,  -0.30,  22.34,  99.90,  22.03,  -0.01,
04/22 23Z,  -0.40,  23.66,  99.90,  23.25,  -0.01,  (max)
04/23 00Z,  -0.40,  23.36,  99.90,  22.95,  -0.01,
04/23 01Z,  -0.40,  20.99,  99.90,  20.58,  -0.01,
04/23 02Z,  -0.40,  17.18,  99.90,  16.77,  -0.01,
04/23 03Z,  -0.40,  12.93,  99.90,  12.52,  -0.01,
04/23 04Z,  -0.40,   9.29,  99.90,   8.88,  -0.01,
04/23 05Z,  -0.50,   6.36,  99.90,   5.85,  -0.01,
04/23 06Z,  -0.50,   4.35,  99.90,   3.84,  -0.01,  (min)
04/23 07Z,  -0.50,   5.22,  99.90,   4.71,  -0.01,
04/23 08Z,  -0.60,   9.67,  99.90,   9.06,  -0.01,
04/23 09Z,  -0.60,  15.08,  99.90,  14.47,  -0.01,
04/23 10Z,  -0.60,  19.52,  99.90,  18.91,  -0.01,
04/23 11Z,  -0.70,  23.24,  99.90,  22.53,  -0.01,
04/23 12Z,  -0.70,  25.67,  99.90,  24.96,  -0.01,  (max)
04/23 13Z,  -0.70,  25.66,  99.90,  24.95,  -0.01,
04/23 14Z,  -0.60,  23.32,  99.90,  22.71,  -0.01,
04/23 15Z,  -0.60,  19.52,  99.90,  18.90,  -0.01,
04/23 16Z,  -0.60,  15.39,  99.90,  14.78,  -0.01,
04/23 17Z,  -0.60,  11.66,  99.90,  11.04,  -0.01,
04/23 18Z,  -0.60,   8.35,  99.90,   7.74,  -0.01,
04/23 19Z,  -0.60,   7.02,  99.90,   6.41,  -0.01,  (min)
04/23 20Z,  -0.60,   9.63,  99.90,   9.02,  -0.01,
04/23 21Z,  -0.60,  14.72,  99.90,  14.11,  -0.01,
04/23 22Z,  -0.70,  19.33,  99.90,  18.62,  -0.01,
04/23 23Z,  -0.70,  22.86,  99.90,  22.15,  -0.01,
04/24 00Z,  -0.70,  25.22,  99.90,  24.51,  -0.01,
04/24 01Z,  -0.70,  25.28,  99.90,  24.57,  -0.01,  (max)
04/24 02Z,  -0.60,  22.81,  99.90,  22.20,  -0.01,
04/24 03Z,  -0.60,  18.64,  99.90,  18.03,  -0.01,
04/24 04Z,  -0.60,  13.91,  99.90,  13.30,  -0.01,
04/24 05Z,  -0.50,   9.60,  99.90,   9.09,  -0.01,
04/24 06Z,  -0.50,   5.81,  99.90,   5.30,  -0.01,
04/24 07Z,  -0.50,   3.30,  99.90,   2.78,  -0.01,  (min)
04/24 08Z,  -0.50,   4.48,  99.90,   3.97,  -0.01,
04/24 09Z,  -0.50,   9.68,  99.90,   9.17,  -0.01,
04/24 10Z,  -0.50,  15.90,  99.90,  15.39,  -0.01,
04/24 11Z,  -0.50,  21.24,  99.90,  20.72,  -0.01,
04/24 12Z,  -0.50,  25.54,  99.90,  25.03,  -0.01,
04/24 13Z,  -0.40,  27.82,  99.90,  27.41,  -0.01,  (max)
04/24 14Z,  -0.40,  27.14,  99.90,  26.73,  -0.01,
04/24 15Z,  -0.30,  24.01,  99.90,  23.70,  -0.01,
04/24 16Z,  -0.30,  19.44,  99.90,  19.13,  -0.01,
04/24 17Z,  -0.30,  14.56,  99.90,  14.25,  -0.01,
04/24 18Z,  -0.30,   9.88,  99.90,   9.57,  -0.01,
04/24 19Z,  -0.30,   5.73,  99.90,   5.42,  -0.01,
04/24 20Z,  -0.30,   4.34,  99.90,   4.03,  -0.01,  (min)
04/24 21Z,  -0.30,   7.68,  99.90,   7.37,  -0.01,
04/24 22Z,  -0.40,  13.80,  99.90,  13.39,  -0.01,
04/24 23Z,  -0.40,  19.65,  99.90,  19.24,  -0.01,
04/25 00Z,  -0.40,  24.40,  99.90,  23.99,  -0.01,
04/25 01Z,  -0.40,  27.36,  99.90,  26.94,  -0.01,
04/25 02Z,  -0.30,  27.28,  99.90,  26.97,  -0.01,  (max)
04/25 03Z,  -0.30,  24.31,  99.90,  24.00,  -0.01,
04/25 04Z,  -0.30,  19.54,  99.90,  19.23,  -0.01,
04/25 05Z,  -0.20,  14.23,  99.90,  14.02,  -0.01,
04/25 06Z,  -0.20,   9.29,  99.90,   9.08,  -0.01,
04/25 07Z,  -0.20,   4.89,  99.90,   4.68,  -0.01,
04/25 08Z,  -0.20,   2.38,  99.90,   2.17,  -0.01,  (min)
04/25 09Z,  -0.20,   4.46,  99.90,   4.25,  -0.01,
04/25 10Z,  -0.20,  10.82,  99.90,  10.61,  -0.01,
04/25 11Z,  -0.20,  18.00,  99.90,  17.79,  -0.01,
04/25 12Z,  -0.20,  24.03,  99.90,  23.81,  -0.01,
04/25 13Z,  -0.20,  28.38,  99.90,  28.17,  -0.01,
04/25 14Z,  -0.20,  29.88,  99.90,  29.67,  -0.01,  (max)
04/25 15Z,  -0.20,  28.07,  99.90,  27.86,  -0.01,
04/25 16Z,  -0.20,  23.90,  99.90,  23.68,  -0.01,
04/25 17Z,  -0.10,  18.48,  99.90,  18.37,  -0.01,
04/25 18Z,  -0.10,  12.86,  99.90,  12.75,  -0.01,