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 Angeles, WA : 04/19/2026 02:21:21 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/17 06Z,   0.50,   4.69,   4.61,  99.90,  -0.58,
04/17 07Z,   0.40,   5.79,   5.67,  99.90,  -0.52,
04/17 08Z,   0.50,   6.69,   6.59,  99.90,  -0.60,
04/17 09Z,   0.50,   7.25,   7.15,  99.90,  -0.60,
04/17 10Z,   0.50,   7.28,   7.25,  99.90,  -0.53,  (max)
04/17 11Z,   0.50,   6.65,   6.61,  99.90,  -0.54,
04/17 12Z,   0.40,   5.43,   5.39,  99.90,  -0.44,
04/17 13Z,   0.40,   3.89,   3.92,  99.90,  -0.37,
04/17 14Z,   0.40,   2.27,   2.36,  99.90,  -0.31,
04/17 15Z,   0.40,   0.77,   0.62,  99.90,  -0.55,
04/17 16Z,   0.40,  -0.26,  -0.55,  99.90,  -0.69,
04/17 17Z,   0.40,  -0.44,  -0.68,  99.90,  -0.64,  (min)
04/17 18Z,   0.40,   0.30,   0.27,  99.90,  -0.43,
04/17 19Z,   0.40,   1.64,   1.58,  99.90,  -0.46,
04/17 20Z,   0.40,   3.15,   2.99,  99.90,  -0.56,
04/17 21Z,   0.50,   4.55,   4.36,  99.90,  -0.69,
04/17 22Z,   0.40,   5.61,   5.41,  99.90,  -0.60,
04/17 23Z,   0.40,   6.12,   5.87,  99.90,  -0.65,  (max)
04/18 00Z,   0.60,   6.05,   5.70,  99.90,  -0.95,
04/18 01Z,   0.50,   5.61,   5.30,  99.90,  -0.81,
04/18 02Z,   0.50,   5.04,   4.85,  99.90,  -0.69,
04/18 03Z,   0.60,   4.48,   4.43,  99.90,  -0.65,
04/18 04Z,   0.60,   4.09,   4.12,  99.90,  -0.57,  (min)
04/18 05Z,   0.60,   4.15,   4.18,  99.90,  -0.57,
04/18 06Z,   0.60,   4.79,   4.99,  99.90,  -0.40,
04/18 07Z,   0.60,   5.80,   6.05,  99.90,  -0.35,
04/18 08Z,   0.70,   6.78,   6.90,  99.90,  -0.58,
04/18 09Z,   0.70,   7.44,   7.53,  99.90,  -0.61,
04/18 10Z,   0.70,   7.67,   7.82,  99.90,  -0.55,  (max)
04/18 11Z,   0.70,   7.30,   7.51,  99.90,  -0.49,
04/18 12Z,   0.70,   6.26,   6.41,  99.90,  -0.55,
04/18 13Z,   0.70,   4.69,   4.79,  99.90,  -0.60,
04/18 14Z,   0.70,   2.89,   3.06,  99.90,  -0.53,
04/18 15Z,   0.70,   1.09,   1.19,  99.90,  -0.60,
04/18 16Z,   0.70,  -0.44,  -0.59,  99.90,  -0.85,
04/18 17Z,   0.70,  -1.33,  -1.56,  99.90,  -0.93,  (min)
04/18 18Z,   0.70,  -1.25,  -1.19,  99.90,  -0.64,
04/18 19Z,   0.70,  -0.20,   0.00,  99.90,  -0.50,
04/18 20Z,   0.80,   1.39,   1.54,  99.90,  -0.65,
04/18 21Z,   0.80,   3.10,   3.14,  99.90,  -0.76,
04/18 22Z,   0.80,   4.62,   4.61,  99.90,  -0.81,
04/18 23Z,   0.80,   5.74,   5.83,  99.90,  -0.71,
04/19 00Z,   0.80,   6.28,   6.21,  99.90,  -0.87,  (max)
04/19 01Z,   0.90,   6.26,   6.10,  99.90,  -1.06,
04/19 02Z,   0.80,   5.91,   5.76,  99.90,  -0.95,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/19 03Z,   0.80,   5.47,  99.90,   5.34,  -0.92,
04/19 04Z,   0.90,   5.05,  99.90,   5.05,  -0.90,
04/19 05Z,   0.90,   4.82,  99.90,   4.86,  -0.87,  (min)
04/19 06Z,   0.80,   5.04,  99.90,   5.00,  -0.84,
04/19 07Z,   0.80,   5.77,  99.90,   5.76,  -0.81,
04/19 08Z,   0.90,   6.72,  99.90,   6.84,  -0.79,
04/19 09Z,   0.80,   7.50,  99.90,   7.54,  -0.76,
04/19 10Z,   0.80,   7.88,  99.90,   7.94,  -0.73,
04/19 11Z,   0.90,   7.77,  99.90,   7.96,  -0.70,  (max)
04/19 12Z,   0.90,   7.06,  99.90,   7.29,  -0.68,
04/19 13Z,   0.90,   5.72,  99.90,   5.97,  -0.65,
04/19 14Z,   0.90,   3.93,  99.90,   4.21,  -0.62,
04/19 15Z,   0.90,   1.99,  99.90,   2.27,  -0.62,
04/19 16Z,   0.90,   0.16,  99.90,   0.44,  -0.62,
04/19 17Z,   0.80,  -1.30,  99.90,  -1.13,  -0.62,
04/19 18Z,   0.80,  -2.01,  99.90,  -1.84,  -0.62,  (min)
04/19 19Z,   0.80,  -1.68,  99.90,  -1.50,  -0.62,
04/19 20Z,   0.80,  -0.41,  99.90,  -0.24,  -0.62,
04/19 21Z,   0.80,   1.32,  99.90,   1.50,  -0.62,
04/19 22Z,   0.90,   3.10,  99.90,   3.37,  -0.62,
04/19 23Z,   0.90,   4.65,  99.90,   4.93,  -0.62,
04/20 00Z,   0.90,   5.79,  99.90,   6.06,  -0.62,
04/20 01Z,   0.90,   6.34,  99.90,   6.62,  -0.62,
04/20 02Z,   0.90,   6.38,  99.90,   6.65,  -0.62,  (max)
04/20 03Z,   0.90,   6.14,  99.90,   6.42,  -0.62,
04/20 04Z,   0.80,   5.84,  99.90,   6.02,  -0.62,
04/20 05Z,   0.80,   5.57,  99.90,   5.74,  -0.62,
04/20 06Z,   0.80,   5.48,  99.90,   5.66,  -0.62,  (min)
04/20 07Z,   0.80,   5.81,  99.90,   5.98,  -0.62,
04/20 08Z,   0.80,   6.53,  99.90,   6.71,  -0.62,
04/20 09Z,   0.70,   7.33,  99.90,   7.41,  -0.62,
04/20 10Z,   0.80,   7.85,  99.90,   8.03,  -0.62,
04/20 11Z,   0.90,   7.96,  99.90,   8.24,  -0.62,  (max)
04/20 12Z,   0.80,   7.59,  99.90,   7.77,  -0.62,
04/20 13Z,   0.80,   6.65,  99.90,   6.83,  -0.62,
04/20 14Z,   0.90,   5.15,  99.90,   5.42,  -0.62,
04/20 15Z,   0.90,   3.28,  99.90,   3.56,  -0.62,
04/20 16Z,   0.90,   1.35,  99.90,   1.63,  -0.62,
04/20 17Z,   0.80,  -0.41,  99.90,  -0.23,  -0.62,
04/20 18Z,   0.90,  -1.74,  99.90,  -1.46,  -0.62,
04/20 19Z,   0.90,  -2.26,  99.90,  -1.98,  -0.62,  (min)
04/20 20Z,   0.80,  -1.74,  99.90,  -1.56,  -0.62,
04/20 21Z,   0.90,  -0.38,  99.90,  -0.11,  -0.62,
04/20 22Z,   0.90,   1.35,  99.90,   1.63,  -0.62,
04/20 23Z,   0.90,   3.09,  99.90,   3.37,  -0.62,
04/21 00Z,   0.90,   4.62,  99.90,   4.89,  -0.62,
04/21 01Z,   0.90,   5.73,  99.90,   6.01,  -0.62,
04/21 02Z,   0.90,   6.30,  99.90,   6.57,  -0.62,
04/21 03Z,   0.90,   6.41,  99.90,   6.68,  -0.62,  (max)
04/21 04Z,   1.00,   6.30,  99.90,   6.68,  -0.62,
04/21 05Z,   0.90,   6.14,  99.90,   6.42,  -0.62,
04/21 06Z,   0.90,   5.98,  99.90,   6.26,  -0.62,  (min)
04/21 07Z,   0.90,   5.99,  99.90,   6.26,  -0.62,
04/21 08Z,   0.90,   6.33,  99.90,   6.61,  -0.62,
04/21 09Z,   0.90,   6.96,  99.90,   7.24,  -0.62,
04/21 10Z,   0.90,   7.56,  99.90,   7.83,  -0.62,
04/21 11Z,   1.00,   7.84,  99.90,   8.21,  -0.62,  (max)
04/21 12Z,   0.90,   7.73,  99.90,   8.01,  -0.62,
04/21 13Z,   0.90,   7.20,  99.90,   7.48,  -0.62,
04/21 14Z,   0.90,   6.17,  99.90,   6.45,  -0.62,
04/21 15Z,   0.90,   4.64,  99.90,   4.92,  -0.62,
04/21 16Z,   0.90,   2.85,  99.90,   3.13,  -0.62,
04/21 17Z,   0.90,   1.05,  99.90,   1.32,  -0.62,
04/21 18Z,   0.90,  -0.57,  99.90,  -0.29,  -0.62,
04/21 19Z,   0.90,  -1.74,  99.90,  -1.46,  -0.62,
04/21 20Z,   0.90,  -2.11,  99.90,  -1.83,  -0.62,  (min)
04/21 21Z,   0.90,  -1.52,  99.90,  -1.24,  -0.62,
04/21 22Z,   0.90,  -0.19,  99.90,   0.09,  -0.62,
04/21 23Z,   0.90,   1.45,  99.90,   1.72,  -0.62,
04/22 00Z,   1.00,   3.08,  99.90,   3.46,  -0.62,
04/22 01Z,   1.00,   4.54,  99.90,   4.91,  -0.62,
04/22 02Z,   0.90,   5.61,  99.90,   5.89,  -0.62,
04/22 03Z,   1.00,   6.20,  99.90,   6.58,  -0.62,
04/22 04Z,   1.00,   6.39,  99.90,   6.77,  -0.62,
04/22 05Z,   1.00,   6.41,  99.90,   6.79,  -0.62,  (max)
04/22 06Z,   1.00,   6.35,  99.90,   6.73,  -0.62,
04/22 07Z,   1.00,   6.26,  99.90,   6.63,  -0.62,  (min)
04/22 08Z,   1.00,   6.27,  99.90,   6.65,  -0.62,
04/22 09Z,   1.00,   6.55,  99.90,   6.93,  -0.62,
04/22 10Z,   1.10,   7.02,  99.90,   7.50,  -0.62,
04/22 11Z,   1.10,   7.39,  99.90,   7.87,  -0.62,
04/22 12Z,   1.10,   7.47,  99.90,   7.95,  -0.62,  (max)
04/22 13Z,   1.10,   7.25,  99.90,   7.73,  -0.62,
04/22 14Z,   1.10,   6.69,  99.90,   7.17,  -0.62,
04/22 15Z,   1.10,   5.69,  99.90,   6.17,  -0.62,
04/22 16Z,   1.10,   4.28,  99.90,   4.76,  -0.62,
04/22 17Z,   1.00,   2.66,  99.90,   3.04,  -0.62,
04/22 18Z,   1.00,   1.06,  99.90,   1.44,  -0.62,