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
#Seattle, WA : 02/19/2025 22:20:50 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/18 06Z,   0.40,   8.23,   8.22,  99.90,  -0.41,
02/18 07Z,   0.40,   7.20,   7.24,  99.90,  -0.36,
02/18 08Z,   0.40,   6.11,   6.04,  99.90,  -0.47,
02/18 09Z,   0.30,   5.29,   5.06,  99.90,  -0.53,
02/18 10Z,   0.30,   5.07,   4.76,  99.90,  -0.61,  (min)
02/18 11Z,   0.30,   5.62,   5.30,  99.90,  -0.62,
02/18 12Z,   0.20,   6.79,   6.43,  99.90,  -0.56,
02/18 13Z,   0.10,   8.24,   7.93,  99.90,  -0.41,
02/18 14Z,   0.10,   9.67,   9.50,  99.90,  -0.27,
02/18 15Z,   0.10,  10.76,  10.70,  99.90,  -0.16,
02/18 16Z,   0.10,  11.21,  11.19,  99.90,  -0.12,  (max)
02/18 17Z,   0.10,  10.79,  10.73,  99.90,  -0.16,
02/18 18Z,   0.00,   9.54,   9.66,  99.90,   0.12,
02/18 19Z,   0.00,   7.71,   7.89,  99.90,   0.18,
02/18 20Z,   0.00,   5.62,   5.67,  99.90,   0.05,
02/18 21Z,   0.00,   3.68,   3.67,  99.90,  -0.01,
02/18 22Z,   0.00,   2.34,   2.38,  99.90,   0.04,
02/18 23Z,   0.00,   1.96,   2.06,  99.90,   0.10,  (min)
02/19 00Z,   0.00,   2.55,   2.68,  99.90,   0.13,
02/19 01Z,   0.00,   3.83,   3.74,  99.90,  -0.09,
02/19 02Z,   0.00,   5.42,   5.27,  99.90,  -0.15,
02/19 03Z,   0.00,   6.99,   6.84,  99.90,  -0.15,
02/19 04Z,   0.00,   8.21,   8.04,  99.90,  -0.17,
02/19 05Z,   0.00,   8.83,   8.68,  99.90,  -0.15,
02/19 06Z,   0.10,   8.80,   8.69,  99.90,  -0.21,  (max)
02/19 07Z,   0.10,   8.31,   8.34,  99.90,  -0.07,
02/19 08Z,   0.10,   7.62,   7.76,  99.90,   0.04,
02/19 09Z,   0.10,   6.94,   7.03,  99.90,  -0.01,
02/19 10Z,   0.10,   6.51,   6.52,  99.90,  -0.09,  (min)
02/19 11Z,   0.10,   6.55,   6.59,  99.90,  -0.06,
02/19 12Z,   0.10,   7.14,   7.22,  99.90,  -0.02,
02/19 13Z,   0.10,   8.09,   8.26,  99.90,   0.07,
02/19 14Z,   0.10,   9.14,   9.41,  99.90,   0.17,
02/19 15Z,   0.10,  10.06,  10.52,  99.90,   0.36,
02/19 16Z,   0.20,  10.65,  11.18,  99.90,   0.33,  (max)
02/19 17Z,   0.20,  10.64,  11.13,  99.90,   0.29,
02/19 18Z,   0.20,   9.88,  10.40,  99.90,   0.32,
02/19 19Z,   0.30,   8.44,   9.05,  99.90,   0.31,
02/19 20Z,   0.30,   6.58,   7.16,  99.90,   0.28,
02/19 21Z,   0.30,   4.60,   5.16,  99.90,   0.26,
02/19 22Z,   0.40,   2.88,   3.50,  99.90,   0.22,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/19 23Z,   0.50,   1.82,  99.90,   2.51,   0.19,
02/20 00Z,   0.60,   1.69,  99.90,   2.45,   0.16,  (min)
02/20 01Z,   0.70,   2.44,  99.90,   3.28,   0.13,
02/20 02Z,   0.80,   3.77,  99.90,   4.67,   0.10,
02/20 03Z,   0.80,   5.33,  99.90,   6.20,   0.07,
02/20 04Z,   0.80,   6.85,  99.90,   7.69,   0.04,
02/20 05Z,   0.70,   8.04,  99.90,   8.75,   0.01,
02/20 06Z,   0.60,   8.70,  99.90,   9.28,  -0.02,
02/20 07Z,   0.50,   8.84,  99.90,   9.29,  -0.05,  (max)
02/20 08Z,   0.50,   8.64,  99.90,   9.06,  -0.08,
02/20 09Z,   0.40,   8.29,  99.90,   8.58,  -0.11,
02/20 10Z,   0.40,   7.94,  99.90,   8.20,  -0.14,
02/20 11Z,   0.40,   7.73,  99.90,   7.99,  -0.14,  (min)
02/20 12Z,   0.30,   7.84,  99.90,   8.00,  -0.14,
02/20 13Z,   0.30,   8.27,  99.90,   8.43,  -0.14,
02/20 14Z,   0.30,   8.88,  99.90,   9.04,  -0.14,
02/20 15Z,   0.20,   9.49,  99.90,   9.55,  -0.14,
02/20 16Z,   0.20,   9.98,  99.90,  10.05,  -0.14,
02/20 17Z,   0.10,  10.21,  99.90,  10.17,  -0.14,  (max)
02/20 18Z,   0.10,   9.94,  99.90,   9.90,  -0.14,
02/20 19Z,   0.10,   9.02,  99.90,   8.98,  -0.14,
02/20 20Z,   0.00,   7.56,  99.90,   7.42,  -0.14,
02/20 21Z,   0.00,   5.77,  99.90,   5.63,  -0.14,
02/20 22Z,   0.00,   3.94,  99.90,   3.80,  -0.14,
02/20 23Z,   0.00,   2.39,  99.90,   2.25,  -0.14,
02/21 00Z,   0.00,   1.50,  99.90,   1.37,  -0.14,
02/21 01Z,   0.00,   1.49,  99.90,   1.36,  -0.14,  (min)
02/21 02Z,   0.00,   2.28,  99.90,   2.15,  -0.14,
02/21 03Z,   0.00,   3.59,  99.90,   3.45,  -0.14,
02/21 04Z,   0.00,   5.13,  99.90,   4.99,  -0.14,
02/21 05Z,   0.00,   6.66,  99.90,   6.52,  -0.14,
02/21 06Z,   0.00,   7.91,  99.90,   7.78,  -0.14,
02/21 07Z,   0.00,   8.71,  99.90,   8.58,  -0.14,
02/21 08Z,   0.00,   9.08,  99.90,   8.94,  -0.14,
02/21 09Z,   0.00,   9.17,  99.90,   9.03,  -0.14,  (max)
02/21 10Z,   0.00,   9.09,  99.90,   8.95,  -0.14,
02/21 11Z,   0.00,   8.91,  99.90,   8.77,  -0.14,
02/21 12Z,   0.00,   8.75,  99.90,   8.61,  -0.14,
02/21 13Z,   0.00,   8.73,  99.90,   8.59,  -0.14,  (min)
02/21 14Z,   0.00,   8.89,  99.90,   8.75,  -0.14,
02/21 15Z,   0.00,   9.15,  99.90,   9.01,  -0.14,
02/21 16Z,   0.00,   9.42,  99.90,   9.28,  -0.14,
02/21 17Z,   0.00,   9.65,  99.90,   9.51,  -0.14,
02/21 18Z,   0.00,   9.71,  99.90,   9.57,  -0.14,  (max)
02/21 19Z,   0.00,   9.34,  99.90,   9.20,  -0.14,
02/21 20Z,   0.00,   8.42,  99.90,   8.28,  -0.14,
02/21 21Z,   0.00,   7.01,  99.90,   6.87,  -0.14,
02/21 22Z,   0.00,   5.31,  99.90,   5.18,  -0.14,
02/21 23Z,   0.00,   3.56,  99.90,   3.42,  -0.14,
02/22 00Z,   0.10,   2.07,  99.90,   2.03,  -0.14,
02/22 01Z,   0.10,   1.21,  99.90,   1.17,  -0.14,
02/22 02Z,   0.10,   1.20,  99.90,   1.16,  -0.14,  (min)
02/22 03Z,   0.10,   1.97,  99.90,   1.93,  -0.14,
02/22 04Z,   0.10,   3.28,  99.90,   3.24,  -0.14,
02/22 05Z,   0.10,   4.87,  99.90,   4.83,  -0.14,
02/22 06Z,   0.10,   6.51,  99.90,   6.48,  -0.14,
02/22 07Z,   0.10,   7.92,  99.90,   7.89,  -0.14,
02/22 08Z,   0.10,   8.92,  99.90,   8.88,  -0.14,
02/22 09Z,   0.20,   9.52,  99.90,   9.58,  -0.14,
02/22 10Z,   0.20,   9.82,  99.90,   9.88,  -0.14,
02/22 11Z,   0.20,   9.86,  99.90,   9.92,  -0.14,  (max)
02/22 12Z,   0.20,   9.67,  99.90,   9.73,  -0.14,
02/22 13Z,   0.20,   9.37,  99.90,   9.43,  -0.14,
02/22 14Z,   0.20,   9.12,  99.90,   9.18,  -0.14,
02/22 15Z,   0.20,   9.01,  99.90,   9.07,  -0.14,  (min)
02/22 16Z,   0.20,   9.02,  99.90,   9.08,  -0.14,
02/22 17Z,   0.20,   9.13,  99.90,   9.19,  -0.14,
02/22 18Z,   0.20,   9.31,  99.90,   9.37,  -0.14,
02/22 19Z,   0.20,   9.37,  99.90,   9.43,  -0.14,  (max)
02/22 20Z,   0.20,   9.04,  99.90,   9.10,  -0.14,
02/22 21Z,   0.20,   8.16,  99.90,   8.22,  -0.14,
02/22 22Z,   0.20,   6.79,  99.90,   6.86,  -0.14,
02/22 23Z,   0.20,   5.10,  99.90,   5.16,  -0.14,
02/23 00Z,   0.20,   3.28,  99.90,   3.35,  -0.14,
02/23 01Z,   0.20,   1.71,  99.90,   1.77,  -0.14,
02/23 02Z,   0.20,   0.77,  99.90,   0.83,  -0.14,
02/23 03Z,   0.20,   0.73,  99.90,   0.79,  -0.14,  (min)
02/23 04Z,   0.20,   1.51,  99.90,   1.58,  -0.14,
02/23 05Z,   0.30,   2.92,  99.90,   3.08,  -0.14,
02/23 06Z,   0.30,   4.69,  99.90,   4.85,  -0.14,
02/23 07Z,   0.40,   6.54,  99.90,   6.81,  -0.14,
02/23 08Z,   0.40,   8.17,  99.90,   8.43,  -0.14,
02/23 09Z,   0.50,   9.36,  99.90,   9.72,  -0.14,
02/23 10Z,   0.50,  10.10,  99.90,  10.46,  -0.14,
02/23 11Z,   0.40,  10.46,  99.90,  10.72,  -0.14,  (max)
02/23 12Z,   0.40,  10.43,  99.90,  10.70,  -0.14,
02/23 13Z,  99.90,  10.05,  99.90,  99.90,  -0.14,
02/23 14Z,  99.90,   9.50,  99.90,  99.90,  -0.14,
02/23 15Z,  99.90,   9.01,  99.90,  99.90,  -0.14,
02/23 16Z,  99.90,   8.73,  99.90,  99.90,  -0.14,
02/23 17Z,  99.90,   8.68,  99.90,  99.90,  -0.14,
02/23 18Z,  99.90,   8.85,  99.90,  99.90,  -0.14,