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
#Sewells Point, VA : 07/20/2025 08:21:36 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/18 12Z,   0.00,  -3.30,  -3.06,  99.90,   0.24,
07/18 13Z,   0.10,  -3.59,  -3.27,  99.90,   0.22,  (min)
07/18 14Z,   0.10,  -3.57,  -3.19,  99.90,   0.28,
07/18 15Z,   0.20,  -3.24,  -2.83,  99.90,   0.21,
07/18 16Z,   0.20,  -2.65,  -2.19,  99.90,   0.26,
07/18 17Z,   0.20,  -1.96,  -1.53,  99.90,   0.23,
07/18 18Z,   0.30,  -1.33,  -0.91,  99.90,   0.12,
07/18 19Z,   0.30,  -0.90,  -0.52,  99.90,   0.08,
07/18 20Z,   0.30,  -0.76,  -0.43,  99.90,   0.03,  (max)
07/18 21Z,   0.40,  -0.93,  -0.59,  99.90,  -0.06,
07/18 22Z,   0.40,  -1.35,  -0.93,  99.90,   0.02,
07/18 23Z,   0.40,  -1.92,  -1.46,  99.90,   0.06,
07/19 00Z,   0.40,  -2.52,  -2.00,  99.90,   0.12,
07/19 01Z,   0.40,  -3.02,  -2.52,  99.90,   0.10,
07/19 02Z,   0.40,  -3.31,  -2.71,  99.90,   0.20,
07/19 03Z,   0.40,  -3.31,  -2.92,  99.90,  -0.01,  (min)
07/19 04Z,   0.40,  -3.05,  -2.86,  99.90,  -0.21,
07/19 05Z,   0.40,  -2.59,  -2.41,  99.90,  -0.22,
07/19 06Z,   0.40,  -2.08,  -1.89,  99.90,  -0.21,
07/19 07Z,   0.40,  -1.66,  -1.35,  99.90,  -0.09,
07/19 08Z,   0.40,  -1.43,  -0.93,  99.90,   0.10,  (max)
07/19 09Z,   0.40,  -1.47,  -0.97,  99.90,   0.10,
07/19 10Z,   0.40,  -1.77,  -1.11,  99.90,   0.26,
07/19 11Z,   0.50,  -2.26,  -1.66,  99.90,   0.10,
07/19 12Z,   0.50,  -2.81,  -2.32,  99.90,  -0.01,
07/19 13Z,   0.50,  -3.30,  -2.79,  99.90,   0.01,
07/19 14Z,   0.40,  -3.57,  -3.02,  99.90,   0.15,  (min)
07/19 15Z,   0.40,  -3.55,  -2.89,  99.90,   0.26,
07/19 16Z,   0.40,  -3.21,  -2.61,  99.90,   0.20,
07/19 17Z,   0.40,  -2.62,  -2.01,  99.90,   0.21,
07/19 18Z,   0.50,  -1.94,  -1.33,  99.90,   0.11,
07/19 19Z,   0.50,  -1.31,  -0.74,  99.90,   0.07,
07/19 20Z,   0.50,  -0.87,  -0.39,  99.90,  -0.02,
07/19 21Z,   0.50,  -0.72,  -0.23,  99.90,  -0.01,  (max)
07/19 22Z,   0.50,  -0.86,  -0.38,  99.90,  -0.02,
07/19 23Z,   0.50,  -1.26,  -0.77,  99.90,  -0.01,
07/20 00Z,   0.50,  -1.83,  -1.33,  99.90,   0.00,
07/20 01Z,   0.50,  -2.45,  -1.91,  99.90,   0.04,
07/20 02Z,   0.50,  -2.98,  -2.42,  99.90,   0.06,
07/20 03Z,   0.50,  -3.30,  -2.77,  99.90,   0.03,  (min)
07/20 04Z,   0.50,  -3.34,  -2.59,  99.90,   0.25,
07/20 05Z,   0.40,  -3.10,  -2.34,  99.90,   0.36,
07/20 06Z,   0.40,  -2.66,  -1.96,  99.90,   0.30,
07/20 07Z,   0.40,  -2.16,  -1.42,  99.90,   0.34,
07/20 08Z,   0.50,  -1.72,  -0.97,  99.90,   0.25,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/20 09Z,   0.50,  -1.48,  99.90,  -0.74,   0.24,  (max)
07/20 10Z,   0.50,  -1.50,  99.90,  -0.76,   0.24,
07/20 11Z,   0.50,  -1.77,  99.90,  -1.04,   0.23,
07/20 12Z,   0.40,  -2.24,  99.90,  -1.62,   0.22,
07/20 13Z,   0.40,  -2.79,  99.90,  -2.18,   0.21,
07/20 14Z,   0.40,  -3.28,  99.90,  -2.68,   0.20,
07/20 15Z,   0.40,  -3.57,  99.90,  -2.97,   0.20,  (min)
07/20 16Z,   0.40,  -3.55,  99.90,  -2.96,   0.19,
07/20 17Z,   0.40,  -3.22,  99.90,  -2.64,   0.18,
07/20 18Z,   0.50,  -2.64,  99.90,  -1.97,   0.17,
07/20 19Z,   0.50,  -1.95,  99.90,  -1.29,   0.16,
07/20 20Z,   0.50,  -1.31,  99.90,  -0.65,   0.16,
07/20 21Z,   0.60,  -0.85,  99.90,  -0.09,   0.16,
07/20 22Z,   0.60,  -0.67,  99.90,   0.09,   0.16,  (max)
07/20 23Z,   0.60,  -0.79,  99.90,  -0.03,   0.16,
07/21 00Z,   0.60,  -1.18,  99.90,  -0.42,   0.16,
07/21 01Z,   0.60,  -1.76,  99.90,  -1.00,   0.16,
07/21 02Z,   0.60,  -2.40,  99.90,  -1.65,   0.16,
07/21 03Z,   0.60,  -2.97,  99.90,  -2.21,   0.16,
07/21 04Z,   0.60,  -3.33,  99.90,  -2.57,   0.16,
07/21 05Z,   0.60,  -3.40,  99.90,  -2.64,   0.16,  (min)
07/21 06Z,   0.60,  -3.17,  99.90,  -2.42,   0.16,
07/21 07Z,   0.60,  -2.73,  99.90,  -1.97,   0.16,
07/21 08Z,   0.60,  -2.20,  99.90,  -1.45,   0.16,
07/21 09Z,   0.60,  -1.74,  99.90,  -0.98,   0.16,
07/21 10Z,   0.60,  -1.47,  99.90,  -0.71,   0.16,
07/21 11Z,   0.70,  -1.46,  99.90,  -0.60,   0.16,  (max)
07/21 12Z,   0.70,  -1.72,  99.90,  -0.87,   0.16,
07/21 13Z,   0.70,  -2.20,  99.90,  -1.34,   0.16,
07/21 14Z,   0.70,  -2.76,  99.90,  -1.91,   0.16,
07/21 15Z,   0.60,  -3.27,  99.90,  -2.52,   0.16,
07/21 16Z,   0.60,  -3.58,  99.90,  -2.83,   0.16,
07/21 17Z,   0.60,  -3.59,  99.90,  -2.83,   0.16,  (min)
07/21 18Z,   0.70,  -3.26,  99.90,  -2.41,   0.16,
07/21 19Z,   0.70,  -2.68,  99.90,  -1.82,   0.16,
07/21 20Z,   0.70,  -1.97,  99.90,  -1.12,   0.16,
07/21 21Z,   0.80,  -1.31,  99.90,  -0.35,   0.16,
07/21 22Z,   0.80,  -0.82,  99.90,   0.14,   0.16,
07/21 23Z,   0.90,  -0.61,  99.90,   0.45,   0.16,  (max)
07/22 00Z,   0.90,  -0.72,  99.90,   0.34,   0.16,
07/22 01Z,   0.90,  -1.11,  99.90,  -0.06,   0.16,
07/22 02Z,   0.90,  -1.72,  99.90,  -0.66,   0.16,
07/22 03Z,   0.90,  -2.40,  99.90,  -1.35,   0.16,
07/22 04Z,   0.90,  -3.01,  99.90,  -1.95,   0.16,
07/22 05Z,   0.90,  -3.39,  99.90,  -2.34,   0.16,
07/22 06Z,   0.80,  -3.47,  99.90,  -2.51,   0.16,  (min)
07/22 07Z,   0.80,  -3.23,  99.90,  -2.28,   0.16,
07/22 08Z,   0.80,  -2.76,  99.90,  -1.81,   0.16,
07/22 09Z,   0.80,  -2.20,  99.90,  -1.24,   0.16,
07/22 10Z,   0.80,  -1.70,  99.90,  -0.75,   0.16,
07/22 11Z,   0.90,  -1.40,  99.90,  -0.35,   0.16,
07/22 12Z,   0.90,  -1.38,  99.90,  -0.33,   0.16,  (max)
07/22 13Z,   0.90,  -1.65,  99.90,  -0.59,   0.16,
07/22 14Z,   0.90,  -2.15,  99.90,  -1.09,   0.16,
07/22 15Z,   0.90,  -2.74,  99.90,  -1.69,   0.16,
07/22 16Z,   0.80,  -3.29,  99.90,  -2.33,   0.16,
07/22 17Z,   0.80,  -3.62,  99.90,  -2.66,   0.16,
07/22 18Z,   0.80,  -3.63,  99.90,  -2.67,   0.16,  (min)
07/22 19Z,   0.80,  -3.30,  99.90,  -2.35,   0.16,
07/22 20Z,   0.80,  -2.71,  99.90,  -1.75,   0.16,
07/22 21Z,   0.80,  -1.98,  99.90,  -1.02,   0.16,
07/22 22Z,   0.80,  -1.28,  99.90,  -0.33,   0.16,
07/22 23Z,   0.80,  -0.78,  99.90,   0.18,   0.16,
07/23 00Z,   0.80,  -0.56,  99.90,   0.40,   0.16,  (max)
07/23 01Z,   0.80,  -0.67,  99.90,   0.28,   0.16,
07/23 02Z,   0.80,  -1.10,  99.90,  -0.14,   0.16,
07/23 03Z,   0.80,  -1.74,  99.90,  -0.78,   0.16,
07/23 04Z,   0.80,  -2.46,  99.90,  -1.51,   0.16,
07/23 05Z,   0.80,  -3.09,  99.90,  -2.14,   0.16,
07/23 06Z,   0.80,  -3.48,  99.90,  -2.53,   0.16,
07/23 07Z,   0.80,  -3.54,  99.90,  -2.59,   0.16,  (min)
07/23 08Z,   0.70,  -3.27,  99.90,  -2.41,   0.16,
07/23 09Z,   0.70,  -2.75,  99.90,  -1.89,   0.16,
07/23 10Z,   0.70,  -2.14,  99.90,  -1.29,   0.16,
07/23 11Z,   0.70,  -1.61,  99.90,  -0.76,   0.16,
07/23 12Z,   0.70,  -1.30,  99.90,  -0.44,   0.16,
07/23 13Z,   0.70,  -1.29,  99.90,  -0.43,   0.16,  (max)
07/23 14Z,   0.70,  -1.58,  99.90,  -0.73,   0.16,
07/23 15Z,   0.70,  -2.11,  99.90,  -1.26,   0.16,
07/23 16Z,   0.70,  -2.75,  99.90,  -1.89,   0.16,
07/23 17Z,   0.70,  -3.32,  99.90,  -2.46,   0.16,
07/23 18Z,   0.70,  -3.66,  99.90,  -2.80,   0.16,
07/23 19Z,   0.70,  -3.67,  99.90,  -2.81,   0.16,  (min)
07/23 20Z,   0.70,  -3.32,  99.90,  -2.46,   0.16,
07/23 21Z,   0.70,  -2.69,  99.90,  -1.84,   0.16,
07/23 22Z,   0.70,  -1.94,  99.90,  -1.09,   0.16,
07/23 23Z,   0.60,  -1.24,  99.90,  -0.48,   0.16,
07/24 00Z,   0.60,  -0.73,  99.90,   0.02,   0.16,