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 : 03/27/2025 11:23:01 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/25 12Z,   0.20,   7.80,   8.56,  99.90,   0.56,  (max)
03/25 13Z,   0.20,   7.16,   7.78,  99.90,   0.42,
03/25 14Z,   0.20,   6.58,   7.21,  99.90,   0.43,
03/25 15Z,   0.20,   6.29,   6.73,  99.90,   0.24,
03/25 16Z,   0.20,   6.26,   6.53,  99.90,   0.07,  (min)
03/25 17Z,   0.20,   6.38,   6.62,  99.90,   0.04,
03/25 18Z,   0.40,   6.60,   6.63,  99.90,  -0.37,
03/25 19Z,   0.40,   6.82,   6.77,  99.90,  -0.45,
03/25 20Z,   0.40,   6.84,   6.77,  99.90,  -0.47,  (max)
03/25 21Z,   0.40,   6.45,   6.37,  99.90,  -0.48,
03/25 22Z,   0.40,   5.58,   5.74,  99.90,  -0.24,
03/25 23Z,   0.40,   4.30,   4.59,  99.90,  -0.11,
03/26 00Z,   0.40,   2.78,   3.15,  99.90,  -0.03,
03/26 01Z,   0.50,   1.29,   1.73,  99.90,  -0.06,
03/26 02Z,   0.50,   0.25,   0.64,  99.90,  -0.11,
03/26 03Z,   0.40,  -0.06,   0.34,  99.90,  -0.00,  (min)
03/26 04Z,   0.40,   0.37,   0.83,  99.90,   0.06,
03/26 05Z,   0.50,   1.31,   1.76,  99.90,  -0.05,
03/26 06Z,   0.40,   2.60,   3.02,  99.90,   0.02,
03/26 07Z,   0.30,   4.13,   4.69,  99.90,   0.26,
03/26 08Z,   0.30,   5.73,   6.32,  99.90,   0.29,
03/26 09Z,   0.40,   7.10,   7.78,  99.90,   0.28,
03/26 10Z,   0.40,   7.99,   8.73,  99.90,   0.34,
03/26 11Z,   0.30,   8.28,   9.09,  99.90,   0.51,  (max)
03/26 12Z,   0.30,   7.95,   8.88,  99.90,   0.63,
03/26 13Z,   0.40,   7.14,   8.15,  99.90,   0.61,
03/26 14Z,   0.40,   6.20,   7.21,  99.90,   0.61,
03/26 15Z,   0.40,   5.54,   6.40,  99.90,   0.46,
03/26 16Z,   0.40,   5.35,   5.94,  99.90,   0.19,  (min)
03/26 17Z,   0.40,   5.52,   6.05,  99.90,   0.13,
03/26 18Z,   0.60,   5.90,   6.37,  99.90,  -0.13,
03/26 19Z,   0.60,   6.38,   6.77,  99.90,  -0.21,
03/26 20Z,   0.60,   6.85,   7.04,  99.90,  -0.41,
03/26 21Z,   0.70,   7.06,   7.29,  99.90,  -0.47,  (max)
03/26 22Z,   0.70,   6.79,   7.27,  99.90,  -0.22,
03/26 23Z,   0.70,   5.92,   6.45,  99.90,  -0.17,
03/27 00Z,   0.80,   4.54,   5.27,  99.90,  -0.07,
03/27 01Z,   0.90,   2.87,   3.60,  99.90,  -0.17,
03/27 02Z,   1.00,   1.28,   1.93,  99.90,  -0.35,
03/27 03Z,   1.00,   0.27,   1.00,  99.90,  -0.27,
03/27 04Z,   1.00,   0.11,   0.88,  99.90,  -0.23,  (min)
03/27 05Z,   1.00,   0.72,   1.58,  99.90,  -0.14,
03/27 06Z,   1.10,   1.85,   2.54,  99.90,  -0.41,
03/27 07Z,   1.00,   3.31,   4.04,  99.90,  -0.27,
03/27 08Z,   1.10,   4.96,   5.77,  99.90,  -0.29,
03/27 09Z,   1.10,   6.57,   7.47,  99.90,  -0.20,
03/27 10Z,   1.10,   7.79,   8.78,  99.90,  -0.11,
03/27 11Z,   1.10,   8.36,   9.31,  99.90,  -0.15,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/27 12Z,   1.10,   8.16,  99.90,   9.13,  -0.13,
03/27 13Z,   1.10,   7.28,  99.90,   8.27,  -0.11,
03/27 14Z,   1.10,   6.02,  99.90,   7.03,  -0.09,
03/27 15Z,   1.00,   4.85,  99.90,   5.78,  -0.07,
03/27 16Z,   1.00,   4.21,  99.90,   5.16,  -0.05,  (min)
03/27 17Z,   1.10,   4.22,  99.90,   5.29,  -0.03,
03/27 18Z,   1.10,   4.69,  99.90,   5.78,  -0.01,
03/27 19Z,   1.00,   5.38,  99.90,   6.39,   0.01,
03/27 20Z,   1.10,   6.19,  99.90,   7.31,   0.02,
03/27 21Z,   1.20,   6.94,  99.90,   8.18,   0.04,
03/27 22Z,   1.20,   7.35,  99.90,   8.61,   0.06,  (max)
03/27 23Z,   1.20,   7.16,  99.90,   8.44,   0.08,
03/28 00Z,   1.20,   6.28,  99.90,   7.56,   0.08,
03/28 01Z,   1.30,   4.80,  99.90,   6.18,   0.08,
03/28 02Z,   1.30,   3.04,  99.90,   4.42,   0.08,
03/28 03Z,   1.30,   1.47,  99.90,   2.86,   0.08,
03/28 04Z,   1.40,   0.61,  99.90,   2.09,   0.08,  (min)
03/28 05Z,   1.40,   0.68,  99.90,   2.16,   0.08,
03/28 06Z,   1.30,   1.52,  99.90,   2.90,   0.08,
03/28 07Z,   1.30,   2.82,  99.90,   4.20,   0.08,
03/28 08Z,   1.30,   4.38,  99.90,   5.76,   0.08,
03/28 09Z,   1.30,   6.04,  99.90,   7.42,   0.08,
03/28 10Z,   1.30,   7.50,  99.90,   8.88,   0.08,
03/28 11Z,   1.30,   8.39,  99.90,   9.77,   0.08,
03/28 12Z,   1.40,   8.44,  99.90,   9.92,   0.08,  (max)
03/28 13Z,   1.40,   7.63,  99.90,   9.11,   0.08,
03/28 14Z,   1.40,   6.16,  99.90,   7.65,   0.08,
03/28 15Z,   1.30,   4.50,  99.90,   5.88,   0.08,
03/28 16Z,   1.30,   3.22,  99.90,   4.60,   0.08,
03/28 17Z,   1.30,   2.74,  99.90,   4.12,   0.08,  (min)
03/28 18Z,   1.20,   3.05,  99.90,   4.33,   0.08,
03/28 19Z,   1.20,   3.85,  99.90,   5.13,   0.08,
03/28 20Z,   1.30,   4.90,  99.90,   6.28,   0.08,
03/28 21Z,   1.30,   6.03,  99.90,   7.41,   0.08,
03/28 22Z,   1.30,   7.05,  99.90,   8.43,   0.08,
03/28 23Z,   1.20,   7.64,  99.90,   8.93,   0.08,  (max)
03/29 00Z,   1.20,   7.53,  99.90,   8.81,   0.08,
03/29 01Z,   1.30,   6.63,  99.90,   8.01,   0.08,
03/29 02Z,   1.30,   5.12,  99.90,   6.51,   0.08,
03/29 03Z,   1.30,   3.38,  99.90,   4.77,   0.08,
03/29 04Z,   1.30,   1.96,  99.90,   3.34,   0.08,
03/29 05Z,   1.20,   1.35,  99.90,   2.63,   0.08,  (min)
03/29 06Z,   1.20,   1.68,  99.90,   2.96,   0.08,
03/29 07Z,   1.10,   2.71,  99.90,   3.89,   0.08,
03/29 08Z,   1.10,   4.10,  99.90,   5.28,   0.08,
03/29 09Z,   1.10,   5.64,  99.90,   6.83,   0.08,
03/29 10Z,   1.00,   7.16,  99.90,   8.24,   0.08,
03/29 11Z,   1.00,   8.31,  99.90,   9.39,   0.08,
03/29 12Z,   1.00,   8.70,  99.90,   9.78,   0.08,  (max)
03/29 13Z,   0.90,   8.13,  99.90,   9.11,   0.08,
03/29 14Z,   0.90,   6.68,  99.90,   7.66,   0.08,
03/29 15Z,   0.80,   4.71,  99.90,   5.59,   0.08,
03/29 16Z,   0.80,   2.79,  99.90,   3.67,   0.08,
03/29 17Z,   0.80,   1.55,  99.90,   2.43,   0.08,
03/29 18Z,   0.70,   1.31,  99.90,   2.10,   0.08,  (min)
03/29 19Z,   0.70,   1.96,  99.90,   2.74,   0.08,
03/29 20Z,   0.60,   3.10,  99.90,   3.78,   0.08,
03/29 21Z,   0.60,   4.47,  99.90,   5.16,   0.08,
03/29 22Z,   0.60,   5.91,  99.90,   6.59,   0.08,
03/29 23Z,   0.60,   7.17,  99.90,   7.85,   0.08,
03/30 00Z,   0.60,   7.91,  99.90,   8.59,   0.08,  (max)
03/30 01Z,   0.60,   7.86,  99.90,   8.54,   0.08,
03/30 02Z,   0.60,   6.99,  99.90,   7.68,   0.08,
03/30 03Z,   0.60,   5.54,  99.90,   6.22,   0.08,
03/30 04Z,   0.60,   3.94,  99.90,   4.62,   0.08,
03/30 05Z,   0.60,   2.77,  99.90,   3.45,   0.08,
03/30 06Z,   0.50,   2.44,  99.90,   3.02,   0.08,  (min)
03/30 07Z,   0.50,   3.00,  99.90,   3.58,   0.08,
03/30 08Z,   0.50,   4.11,  99.90,   4.69,   0.08,
03/30 09Z,   0.50,   5.46,  99.90,   6.05,   0.08,
03/30 10Z,   0.50,   6.87,  99.90,   7.45,   0.08,
03/30 11Z,   0.50,   8.11,  99.90,   8.69,   0.08,
03/30 12Z,   0.50,   8.82,  99.90,   9.40,   0.08,  (max)
03/30 13Z,   0.50,   8.64,  99.90,   9.22,   0.08,
03/30 14Z,   0.50,   7.44,  99.90,   8.03,   0.08,
03/30 15Z,   0.50,   5.45,  99.90,   6.03,   0.08,
03/30 16Z,   0.60,   3.12,  99.90,   3.81,   0.08,
03/30 17Z,   0.60,   1.13,  99.90,   1.81,   0.08,
03/30 18Z,   0.60,   0.06,  99.90,   0.74,   0.08,  (min)
03/30 19Z,   0.60,   0.13,  99.90,   0.81,   0.08,
03/30 20Z,   0.60,   1.09,  99.90,   1.77,   0.08,
03/30 21Z,   0.60,   2.52,  99.90,   3.20,   0.08,
03/30 22Z,   0.60,   4.15,  99.90,   4.83,   0.08,
03/30 23Z,   0.70,   5.83,  99.90,   6.61,   0.08,
03/31 00Z,   0.70,   7.26,  99.90,   8.05,   0.08,