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 Townsend, WA : 04/22/2025 04:21:04 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/20 12Z,   0.00,   7.02,   6.80,  99.90,  -0.22,
04/20 13Z,   0.00,   6.91,   6.74,  99.90,  -0.17,
04/20 14Z,   0.00,   6.79,   6.69,  99.90,  -0.10,
04/20 15Z,   0.00,   6.68,   6.59,  99.90,  -0.09,
04/20 16Z,   0.00,   6.50,   6.27,  99.90,  -0.23,
04/20 17Z,   0.00,   6.06,   5.72,  99.90,  -0.34,
04/20 18Z,   0.00,   5.17,   4.82,  99.90,  -0.35,
04/20 19Z,   0.00,   3.92,   3.69,  99.90,  -0.23,
04/20 20Z,   0.00,   2.53,   2.31,  99.90,  -0.22,
04/20 21Z,   0.00,   1.26,   1.13,  99.90,  -0.13,
04/20 22Z,   0.00,   0.32,   0.37,  99.90,   0.05,
04/20 23Z,   0.00,  -0.06,   0.07,  99.90,   0.13,  (min)
04/21 00Z,   0.00,   0.19,   0.48,  99.90,   0.29,
04/21 01Z,   0.00,   0.98,   1.29,  99.90,   0.31,
04/21 02Z,   0.00,   2.08,   2.42,  99.90,   0.34,
04/21 03Z,   0.00,   3.37,   3.83,  99.90,   0.46,
04/21 04Z,   0.00,   4.77,   5.30,  99.90,   0.53,
04/21 05Z,   0.10,   6.12,   6.57,  99.90,   0.35,
04/21 06Z,   0.10,   7.18,   7.54,  99.90,   0.26,
04/21 07Z,   0.00,   7.82,   8.14,  99.90,   0.32,
04/21 08Z,   0.00,   8.08,   8.28,  99.90,   0.20,  (max)
04/21 09Z,   0.00,   8.02,   8.12,  99.90,   0.10,
04/21 10Z,   0.00,   7.68,   7.61,  99.90,  -0.07,
04/21 11Z,   0.00,   7.21,   6.96,  99.90,  -0.25,
04/21 12Z,   0.10,   6.80,   6.58,  99.90,  -0.32,
04/21 13Z,   0.10,   6.56,   6.30,  99.90,  -0.36,
04/21 14Z,   0.00,   6.42,   6.16,  99.90,  -0.26,
04/21 15Z,   0.00,   6.33,   6.09,  99.90,  -0.24,
04/21 16Z,   0.00,   6.28,   6.00,  99.90,  -0.28,
04/21 17Z,   0.00,   6.18,   5.82,  99.90,  -0.36,
04/21 18Z,   0.00,   5.83,   5.44,  99.90,  -0.39,
04/21 19Z,   0.00,   5.07,   4.71,  99.90,  -0.36,
04/21 20Z,   0.00,   3.98,   3.71,  99.90,  -0.27,
04/21 21Z,   0.00,   2.74,   2.50,  99.90,  -0.24,
04/21 22Z,   0.00,   1.55,   1.32,  99.90,  -0.23,
04/21 23Z,   0.00,   0.62,   0.49,  99.90,  -0.13,
04/22 00Z,  -0.10,   0.21,   0.19,  99.90,   0.08,  (min)
04/22 01Z,   0.00,   0.43,   0.49,  99.90,   0.06,
04/22 02Z,   0.00,   1.18,   1.24,  99.90,   0.06,
04/22 03Z,   0.00,   2.27,   2.32,  99.90,   0.05,
04/22 04Z,   0.00,   3.57,   3.70,  99.90,   0.13,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/22 05Z,   0.00,   5.00,  99.90,   5.11,   0.11,
04/22 06Z,   0.00,   6.35,  99.90,   6.44,   0.09,
04/22 07Z,   0.00,   7.39,  99.90,   7.46,   0.07,
04/22 08Z,   0.00,   7.98,  99.90,   8.03,   0.05,
04/22 09Z,   0.00,   8.12,  99.90,   8.15,   0.03,  (max)
04/22 10Z,   0.00,   7.85,  99.90,   7.86,   0.01,
04/22 11Z,   0.00,   7.26,  99.90,   7.24,  -0.01,
04/22 12Z,   0.00,   6.56,  99.90,   6.53,  -0.03,
04/22 13Z,   0.00,   6.02,  99.90,   5.97,  -0.05,
04/22 14Z,   0.00,   5.76,  99.90,   5.68,  -0.07,
04/22 15Z,   0.00,   5.69,  99.90,   5.59,  -0.09,  (min)
04/22 16Z,   0.00,   5.73,  99.90,   5.62,  -0.11,
04/22 17Z,   0.00,   5.86,  99.90,   5.75,  -0.11,
04/22 18Z,   0.00,   5.95,  99.90,   5.83,  -0.11,  (max)
04/22 19Z,   0.00,   5.78,  99.90,   5.67,  -0.11,
04/22 20Z,   0.00,   5.22,  99.90,   5.10,  -0.11,
04/22 21Z,   0.00,   4.30,  99.90,   4.18,  -0.11,
04/22 22Z,   0.00,   3.16,  99.90,   3.05,  -0.11,
04/22 23Z,   0.00,   1.98,  99.90,   1.87,  -0.11,
04/23 00Z,   0.00,   1.01,  99.90,   0.90,  -0.11,
04/23 01Z,   0.00,   0.56,  99.90,   0.45,  -0.11,  (min)
04/23 02Z,   0.00,   0.77,  99.90,   0.66,  -0.11,
04/23 03Z,   0.00,   1.54,  99.90,   1.43,  -0.11,
04/23 04Z,   0.00,   2.67,  99.90,   2.55,  -0.11,
04/23 05Z,   0.00,   4.02,  99.90,   3.90,  -0.11,
04/23 06Z,   0.00,   5.47,  99.90,   5.36,  -0.11,
04/23 07Z,   0.00,   6.81,  99.90,   6.69,  -0.11,
04/23 08Z,   0.00,   7.75,  99.90,   7.64,  -0.11,
04/23 09Z,   0.00,   8.16,  99.90,   8.05,  -0.11,  (max)
04/23 10Z,   0.00,   8.02,  99.90,   7.90,  -0.11,
04/23 11Z,   0.00,   7.37,  99.90,   7.26,  -0.11,
04/23 12Z,   0.00,   6.40,  99.90,   6.29,  -0.11,
04/23 13Z,   0.00,   5.45,  99.90,   5.34,  -0.11,
04/23 14Z,   0.00,   4.84,  99.90,   4.72,  -0.11,
04/23 15Z,   0.00,   4.65,  99.90,   4.53,  -0.11,  (min)
04/23 16Z,   0.00,   4.76,  99.90,   4.65,  -0.11,
04/23 17Z,   0.00,   5.06,  99.90,   4.95,  -0.11,
04/23 18Z,   0.00,   5.47,  99.90,   5.36,  -0.11,
04/23 19Z,   0.00,   5.84,  99.90,   5.72,  -0.11,
04/23 20Z,   0.00,   5.93,  99.90,   5.82,  -0.11,  (max)
04/23 21Z,   0.00,   5.60,  99.90,   5.49,  -0.11,
04/23 22Z,   0.00,   4.84,  99.90,   4.72,  -0.11,
04/23 23Z,   0.00,   3.75,  99.90,   3.64,  -0.11,
04/24 00Z,   0.00,   2.54,  99.90,   2.43,  -0.11,
04/24 01Z,   0.00,   1.53,  99.90,   1.41,  -0.11,
04/24 02Z,   0.00,   1.07,  99.90,   0.96,  -0.11,  (min)
04/24 03Z,   0.10,   1.34,  99.90,   1.32,  -0.11,
04/24 04Z,   0.10,   2.18,  99.90,   2.17,  -0.11,
04/24 05Z,   0.10,   3.37,  99.90,   3.36,  -0.11,
04/24 06Z,   0.10,   4.76,  99.90,   4.75,  -0.11,
04/24 07Z,   0.10,   6.20,  99.90,   6.19,  -0.11,
04/24 08Z,   0.10,   7.43,  99.90,   7.41,  -0.11,
04/24 09Z,   0.10,   8.15,  99.90,   8.14,  -0.11,
04/24 10Z,   0.10,   8.21,  99.90,   8.20,  -0.11,  (max)
04/24 11Z,   0.10,   7.61,  99.90,   7.59,  -0.11,
04/24 12Z,   0.10,   6.46,  99.90,   6.45,  -0.11,
04/24 13Z,   0.10,   5.08,  99.90,   5.06,  -0.11,
04/24 14Z,   0.10,   3.92,  99.90,   3.90,  -0.11,
04/24 15Z,   0.10,   3.33,  99.90,   3.32,  -0.11,  (min)
04/24 16Z,   0.10,   3.34,  99.90,   3.33,  -0.11,
04/24 17Z,   0.20,   3.76,  99.90,   3.85,  -0.11,
04/24 18Z,   0.20,   4.41,  99.90,   4.50,  -0.11,
04/24 19Z,   0.10,   5.18,  99.90,   5.17,  -0.11,
04/24 20Z,   0.10,   5.90,  99.90,   5.89,  -0.11,
04/24 21Z,   0.10,   6.29,  99.90,   6.28,  -0.11,  (max)
04/24 22Z,   0.20,   6.19,  99.90,   6.27,  -0.11,
04/24 23Z,   0.20,   5.55,  99.90,   5.64,  -0.11,
04/25 00Z,   0.20,   4.48,  99.90,   4.57,  -0.11,
04/25 01Z,   0.20,   3.22,  99.90,   3.31,  -0.11,
04/25 02Z,   0.20,   2.20,  99.90,   2.29,  -0.11,
04/25 03Z,   0.20,   1.81,  99.90,   1.90,  -0.11,  (min)
04/25 04Z,   0.20,   2.19,  99.90,   2.27,  -0.11,
04/25 05Z,   0.20,   3.12,  99.90,   3.21,  -0.11,
04/25 06Z,   0.20,   4.36,  99.90,   4.45,  -0.11,
04/25 07Z,   0.20,   5.74,  99.90,   5.83,  -0.11,
04/25 08Z,   0.30,   7.07,  99.90,   7.26,  -0.11,
04/25 09Z,   0.30,   8.07,  99.90,   8.26,  -0.11,
04/25 10Z,   0.30,   8.42,  99.90,   8.61,  -0.11,  (max)
04/25 11Z,   0.30,   7.98,  99.90,   8.17,  -0.11,
04/25 12Z,   0.30,   6.79,  99.90,   6.98,  -0.11,
04/25 13Z,   0.30,   5.10,  99.90,   5.29,  -0.11,
04/25 14Z,   0.30,   3.36,  99.90,   3.54,  -0.11,
04/25 15Z,   0.30,   2.11,  99.90,   2.29,  -0.11,
04/25 16Z,   0.30,   1.68,  99.90,   1.87,  -0.11,  (min)
04/25 17Z,   0.30,   2.01,  99.90,   2.20,  -0.11,
04/25 18Z,   0.30,   2.82,  99.90,   3.01,  -0.11,
04/25 19Z,  99.90,   3.88,  99.90,  99.90,  -0.11,
04/25 20Z,  99.90,   5.06,  99.90,  99.90,  -0.11,
04/25 21Z,  99.90,   6.14,  99.90,  99.90,  -0.11,
04/25 22Z,  99.90,   6.83,  99.90,  99.90,  -0.11,
04/25 23Z,  99.90,   6.91,  99.90,  99.90,  -0.11,
04/26 00Z,  99.90,   6.35,  99.90,  99.90,  -0.11,