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
#Seward, AK : 01/19/2026 18:22:31 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/18 00Z,   0.30,  -6.91,  -7.76,  99.90,  -1.15,
01/18 01Z,   0.30,  -9.60, -10.45,  99.90,  -1.15,
01/18 02Z,   0.30, -12.10, -13.12,  99.90,  -1.32,
01/18 03Z,   0.30, -13.85, -14.75,  99.90,  -1.20,
01/18 04Z,   0.30, -14.49, -15.39,  99.90,  -1.20,  (min)
01/18 05Z,   0.30, -13.93, -14.92,  99.90,  -1.29,
01/18 06Z,   0.40, -12.34, -13.33,  99.90,  -1.39,
01/18 07Z,   0.40, -10.11, -11.10,  99.90,  -1.39,
01/18 08Z,   0.40,  -7.80,  -8.89,  99.90,  -1.49,
01/18 09Z,   0.40,  -5.97,  -7.08,  99.90,  -1.51,
01/18 10Z,   0.40,  -4.97,  -5.96,  99.90,  -1.39,
01/18 11Z,   0.40,  -4.90,  -5.89,  99.90,  -1.39,  (max)
01/18 12Z,   0.40,  -5.69,  -6.63,  99.90,  -1.34,
01/18 13Z,   0.50,  -7.07,  -7.96,  99.90,  -1.39,
01/18 14Z,   0.50,  -8.56,  -9.45,  99.90,  -1.39,
01/18 15Z,   0.50,  -9.60, -10.50,  99.90,  -1.40,
01/18 16Z,   0.40,  -9.81, -10.70,  99.90,  -1.29,  (min)
01/18 17Z,   0.40,  -9.07, -10.05,  99.90,  -1.38,
01/18 18Z,   0.50,  -7.54,  -8.61,  99.90,  -1.57,
01/18 19Z,   0.60,  -5.59,  -6.54,  99.90,  -1.55,
01/18 20Z,   0.60,  -3.73,  -4.66,  99.90,  -1.53,
01/18 21Z,   0.60,  -2.54,  -3.57,  99.90,  -1.63,
01/18 22Z,   0.70,  -2.39,  -3.43,  99.90,  -1.74,  (max)
01/18 23Z,   0.30,  -3.37,  -4.51,  99.90,  -1.44,
01/19 00Z,   0.60,  -5.36,  -6.58,  99.90,  -1.82,
01/19 01Z,   0.60,  -8.06,  -9.19,  99.90,  -1.73,
01/19 02Z,   0.50, -10.93, -12.00,  99.90,  -1.57,
01/19 03Z,   0.40, -13.33, -14.39,  99.90,  -1.46,
01/19 04Z,   0.40, -14.68, -15.83,  99.90,  -1.55,
01/19 05Z,   0.30, -14.75, -16.13,  99.90,  -1.68,  (min)
01/19 06Z,   0.40, -13.57, -14.77,  99.90,  -1.60,
01/19 07Z,   0.40, -11.45, -12.59,  99.90,  -1.54,
01/19 08Z,   0.40,  -8.92, -10.28,  99.90,  -1.76,
01/19 09Z,   0.30,  -6.60,  -7.85,  99.90,  -1.55,
01/19 10Z,   0.30,  -5.02,  -6.18,  99.90,  -1.46,
01/19 11Z,   0.20,  -4.45,  -5.71,  99.90,  -1.46,  (max)
01/19 12Z,   0.40,  -4.90,  -6.21,  99.90,  -1.71,
01/19 13Z,   0.30,  -6.17,  -7.35,  99.90,  -1.48,
01/19 14Z,   0.30,  -7.88,  -9.04,  99.90,  -1.46,
01/19 15Z,   0.20,  -9.44, -10.66,  99.90,  -1.42,
01/19 16Z,   0.20, -10.29, -11.61,  99.90,  -1.52,  (min)
01/19 17Z,   0.20, -10.10, -11.47,  99.90,  -1.57,
01/19 18Z,   0.20,  -8.92, -10.17,  99.90,  -1.45,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/19 19Z,   0.20,  -7.01,  99.90,  -8.27,  -1.45,
01/19 20Z,   0.30,  -4.88,  99.90,  -6.03,  -1.45,
01/19 21Z,   0.30,  -3.10,  99.90,  -4.25,  -1.45,
01/19 22Z,   0.30,  -2.22,  99.90,  -3.38,  -1.45,  (max)
01/19 23Z,   0.30,  -2.54,  99.90,  -3.69,  -1.45,
01/20 00Z,   0.30,  -4.04,  99.90,  -5.19,  -1.45,
01/20 01Z,   0.20,  -6.48,  99.90,  -7.73,  -1.45,
01/20 02Z,   0.20,  -9.42,  99.90, -10.67,  -1.45,
01/20 03Z,   0.20, -12.26,  99.90, -13.50,  -1.45,
01/20 04Z,   0.20, -14.30,  99.90, -15.55,  -1.45,
01/20 05Z,   0.20, -15.08,  99.90, -16.33,  -1.45,  (min)
01/20 06Z,   0.20, -14.47,  99.90, -15.72,  -1.45,
01/20 07Z,   0.20, -12.68,  99.90, -13.93,  -1.45,
01/20 08Z,   0.20, -10.17,  99.90, -11.41,  -1.45,
01/20 09Z,   0.30,  -7.53,  99.90,  -8.67,  -1.45,
01/20 10Z,   0.30,  -5.41,  99.90,  -6.55,  -1.45,
01/20 11Z,   0.20,  -4.26,  99.90,  -5.51,  -1.45,
01/20 12Z,   0.20,  -4.24,  99.90,  -5.49,  -1.45,  (max)
01/20 13Z,   0.20,  -5.23,  99.90,  -6.48,  -1.45,
01/20 14Z,   0.20,  -6.93,  99.90,  -8.17,  -1.45,
01/20 15Z,   0.20,  -8.82,  99.90, -10.07,  -1.45,
01/20 16Z,   0.10, -10.29,  99.90, -11.63,  -1.45,
01/20 17Z,   0.10, -10.80,  99.90, -12.14,  -1.45,  (min)
01/20 18Z,   0.20, -10.16,  99.90, -11.41,  -1.45,
01/20 19Z,   0.30,  -8.56,  99.90,  -9.71,  -1.45,
01/20 20Z,   0.20,  -6.40,  99.90,  -7.65,  -1.45,
01/20 21Z,   0.30,  -4.26,  99.90,  -5.41,  -1.45,
01/20 22Z,   0.30,  -2.73,  99.90,  -3.88,  -1.45,
01/20 23Z,   0.30,  -2.30,  99.90,  -3.44,  -1.45,  (max)
01/21 00Z,   0.30,  -3.13,  99.90,  -4.27,  -1.45,
01/21 01Z,   0.30,  -5.08,  99.90,  -6.22,  -1.45,
01/21 02Z,   0.40,  -7.80,  99.90,  -8.84,  -1.45,
01/21 03Z,   0.30, -10.76,  99.90, -11.91,  -1.45,
01/21 04Z,   0.30, -13.32,  99.90, -14.46,  -1.45,
01/21 05Z,   0.40, -14.81,  99.90, -15.85,  -1.45,
01/21 06Z,   0.40, -14.89,  99.90, -15.93,  -1.45,  (min)
01/21 07Z,   0.40, -13.61,  99.90, -14.66,  -1.45,
01/21 08Z,   0.40, -11.34,  99.90, -12.39,  -1.45,
01/21 09Z,   0.40,  -8.63,  99.90,  -9.67,  -1.45,
01/21 10Z,   0.40,  -6.11,  99.90,  -7.15,  -1.45,
01/21 11Z,   0.40,  -4.38,  99.90,  -5.43,  -1.45,
01/21 12Z,   0.40,  -3.79,  99.90,  -4.84,  -1.45,  (max)
01/21 13Z,   0.50,  -4.36,  99.90,  -5.31,  -1.45,
01/21 14Z,   0.50,  -5.84,  99.90,  -6.79,  -1.45,
01/21 15Z,   0.40,  -7.83,  99.90,  -8.88,  -1.45,
01/21 16Z,   0.30,  -9.75,  99.90, -10.90,  -1.45,
01/21 17Z,   0.40, -10.98,  99.90, -12.03,  -1.45,
01/21 18Z,   0.50, -11.09,  99.90, -12.03,  -1.45,  (min)
01/21 19Z,   0.40, -10.03,  99.90, -11.08,  -1.45,
01/21 20Z,   0.40,  -8.13,  99.90,  -9.18,  -1.45,
01/21 21Z,   0.40,  -5.90,  99.90,  -6.94,  -1.45,
01/21 22Z,   0.50,  -3.92,  99.90,  -4.87,  -1.45,
01/21 23Z,   0.50,  -2.77,  99.90,  -3.71,  -1.45,  (max)
01/22 00Z,   0.50,  -2.81,  99.90,  -3.75,  -1.45,
01/22 01Z,   0.40,  -4.07,  99.90,  -5.12,  -1.45,
01/22 02Z,   0.40,  -6.31,  99.90,  -7.36,  -1.45,
01/22 03Z,   0.40,  -9.09,  99.90, -10.13,  -1.45,
01/22 04Z,   0.30, -11.83,  99.90, -12.98,  -1.45,
01/22 05Z,   0.40, -13.88,  99.90, -14.93,  -1.45,
01/22 06Z,   0.40, -14.69,  99.90, -15.74,  -1.45,  (min)
01/22 07Z,   0.40, -14.07,  99.90, -15.12,  -1.45,
01/22 08Z,   0.40, -12.25,  99.90, -13.30,  -1.45,
01/22 09Z,   0.40,  -9.70,  99.90, -10.75,  -1.45,
01/22 10Z,   0.40,  -7.03,  99.90,  -8.07,  -1.45,
01/22 11Z,   0.50,  -4.84,  99.90,  -5.79,  -1.45,
01/22 12Z,   0.30,  -3.65,  99.90,  -4.79,  -1.45,
01/22 13Z,   0.40,  -3.66,  99.90,  -4.70,  -1.45,  (max)
01/22 14Z,   0.30,  -4.75,  99.90,  -5.90,  -1.45,
01/22 15Z,   0.30,  -6.61,  99.90,  -7.75,  -1.45,
01/22 16Z,   0.30,  -8.74,  99.90,  -9.88,  -1.45,
01/22 17Z,   0.30, -10.54,  99.90, -11.69,  -1.45,
01/22 18Z,   0.30, -11.46,  99.90, -12.61,  -1.45,  (min)
01/22 19Z,   0.40, -11.19,  99.90, -12.23,  -1.45,
01/22 20Z,   0.40,  -9.83,  99.90, -10.87,  -1.45,
01/22 21Z,   0.40,  -7.80,  99.90,  -8.85,  -1.45,
01/22 22Z,   0.40,  -5.67,  99.90,  -6.71,  -1.45,
01/22 23Z,   0.30,  -3.98,  99.90,  -5.13,  -1.45,
01/23 00Z,   0.30,  -3.24,  99.90,  -4.38,  -1.45,  (max)
01/23 01Z,   0.30,  -3.67,  99.90,  -4.82,  -1.45,
01/23 02Z,   0.30,  -5.21,  99.90,  -6.36,  -1.45,
01/23 03Z,   0.20,  -7.51,  99.90,  -8.76,  -1.45,
01/23 04Z,   0.10, -10.10,  99.90, -11.44,  -1.45,
01/23 05Z,   0.30, -12.40,  99.90, -13.54,  -1.45,
01/23 06Z,   0.30, -13.82,  99.90, -14.96,  -1.45,
01/23 07Z,   0.40, -13.94,  99.90, -14.99,  -1.45,  (min)
01/23 08Z,   0.40, -12.75,  99.90, -13.80,  -1.45,
01/23 09Z,   0.40, -10.59,  99.90, -11.64,  -1.45,
01/23 10Z,   0.40,  -8.01,  99.90,  -9.06,  -1.45,
01/23 11Z,   0.50,  -5.59,  99.90,  -6.53,  -1.45,
01/23 12Z,   0.50,  -3.87,  99.90,  -4.81,  -1.45,