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 : 04/20/2025 04:23:54 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/18 12Z,   1.10,  -3.88,  -3.82,  99.90,  -1.04,
04/18 13Z,   1.10,  -4.02,  -4.04,  99.90,  -1.12,  (max)
04/18 14Z,   1.00,  -5.01,  -5.02,  99.90,  -1.01,
04/18 15Z,   1.00,  -6.68,  -6.69,  99.90,  -1.01,
04/18 16Z,   0.90,  -8.68,  -8.73,  99.90,  -0.95,
04/18 17Z,   0.90, -10.68, -10.76,  99.90,  -0.98,
04/18 18Z,   1.10, -12.31, -12.51,  99.90,  -1.30,
04/18 19Z,   1.00, -13.20, -13.36,  99.90,  -1.16,
04/18 20Z,   1.00, -13.17, -13.43,  99.90,  -1.26,  (min)
04/18 21Z,   1.00, -12.32, -12.62,  99.90,  -1.30,
04/18 22Z,   0.90, -10.95, -11.29,  99.90,  -1.24,
04/18 23Z,   0.90,  -9.42,  -9.72,  99.90,  -1.20,
04/19 00Z,   1.10,  -8.06,  -8.30,  99.90,  -1.34,
04/19 01Z,   1.00,  -7.14,  -7.46,  99.90,  -1.32,
04/19 02Z,   0.90,  -6.82,  -7.19,  99.90,  -1.27,  (max)
04/19 03Z,   0.80,  -7.09,  -7.36,  99.90,  -1.07,
04/19 04Z,   0.80,  -7.73,  -8.02,  99.90,  -1.09,
04/19 05Z,   0.80,  -8.51,  -8.86,  99.90,  -1.15,
04/19 06Z,   0.90,  -9.17,  -9.64,  99.90,  -1.37,
04/19 07Z,   0.80,  -9.42,  -9.90,  99.90,  -1.28,  (min)
04/19 08Z,   0.80,  -9.08,  -9.58,  99.90,  -1.30,
04/19 09Z,   0.80,  -8.15,  -8.61,  99.90,  -1.26,
04/19 10Z,   0.70,  -6.90,  -7.41,  99.90,  -1.21,
04/19 11Z,   0.70,  -5.67,  -6.18,  99.90,  -1.21,
04/19 12Z,   0.70,  -4.76,  -5.23,  99.90,  -1.17,
04/19 13Z,   0.60,  -4.39,  -4.97,  99.90,  -1.18,  (max)
04/19 14Z,   0.50,  -4.73,  -5.38,  99.90,  -1.15,
04/19 15Z,   0.50,  -5.77,  -6.37,  99.90,  -1.10,
04/19 16Z,   0.50,  -7.30,  -7.80,  99.90,  -1.00,
04/19 17Z,   0.50,  -9.07,  -9.71,  99.90,  -1.14,
04/19 18Z,   0.50, -10.77, -11.47,  99.90,  -1.20,
04/19 19Z,   0.50, -12.11, -12.67,  99.90,  -1.06,
04/19 20Z,   0.50, -12.80, -13.47,  99.90,  -1.17,  (min)
04/19 21Z,   0.50, -12.70, -13.42,  99.90,  -1.22,
04/19 22Z,   0.40, -11.95, -12.61,  99.90,  -1.06,
04/19 23Z,   0.40, -10.80, -11.55,  99.90,  -1.15,
04/20 00Z,   0.50,  -9.53, -10.14,  99.90,  -1.11,
04/20 01Z,   0.50,  -8.38,  -8.94,  99.90,  -1.06,
04/20 02Z,   0.50,  -7.57,  -8.30,  99.90,  -1.23,
04/20 03Z,   0.40,  -7.24,  -7.89,  99.90,  -1.05,  (max)
04/20 04Z,   0.40,  -7.36,  -8.01,  99.90,  -1.05,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/20 05Z,   0.40,  -7.79,  99.90,  -8.43,  -1.04,
04/20 06Z,   0.40,  -8.34,  99.90,  -8.97,  -1.04,
04/20 07Z,   0.40,  -8.81,  99.90,  -9.44,  -1.03,
04/20 08Z,   0.50,  -8.97,  99.90,  -9.50,  -1.03,  (min)
04/20 09Z,   0.40,  -8.65,  99.90,  -9.27,  -1.02,
04/20 10Z,   0.40,  -7.88,  99.90,  -8.50,  -1.02,
04/20 11Z,   0.40,  -6.90,  99.90,  -7.51,  -1.01,
04/20 12Z,   0.40,  -5.96,  99.90,  -6.57,  -1.00,
04/20 13Z,   0.30,  -5.27,  99.90,  -5.97,  -1.00,
04/20 14Z,   0.30,  -5.01,  99.90,  -5.70,  -0.99,  (max)
04/20 15Z,   0.30,  -5.32,  99.90,  -6.01,  -0.99,
04/20 16Z,   0.30,  -6.22,  99.90,  -6.90,  -0.98,
04/20 17Z,   0.30,  -7.53,  99.90,  -8.22,  -0.98,
04/20 18Z,   0.30,  -9.06,  99.90,  -9.75,  -0.98,
04/20 19Z,   0.30, -10.58,  99.90, -11.26,  -0.98,
04/20 20Z,   0.40, -11.81,  99.90, -12.40,  -0.98,
04/20 21Z,   0.40, -12.49,  99.90, -13.07,  -0.98,
04/20 22Z,   0.40, -12.50,  99.90, -13.08,  -0.98,  (min)
04/20 23Z,   0.40, -11.92,  99.90, -12.50,  -0.98,
04/21 00Z,   0.40, -10.95,  99.90, -11.54,  -0.98,
04/21 01Z,   0.30,  -9.80,  99.90, -10.48,  -0.98,
04/21 02Z,   0.30,  -8.66,  99.90,  -9.34,  -0.98,
04/21 03Z,   0.30,  -7.76,  99.90,  -8.44,  -0.98,
04/21 04Z,   0.30,  -7.27,  99.90,  -7.96,  -0.98,
04/21 05Z,   0.30,  -7.21,  99.90,  -7.89,  -0.98,  (max)
04/21 06Z,   0.20,  -7.48,  99.90,  -8.26,  -0.98,
04/21 07Z,   0.30,  -7.96,  99.90,  -8.65,  -0.98,
04/21 08Z,   0.30,  -8.48,  99.90,  -9.16,  -0.98,
04/21 09Z,   0.40,  -8.77,  99.90,  -9.35,  -0.98,  (min)
04/21 10Z,   0.40,  -8.67,  99.90,  -9.25,  -0.98,
04/21 11Z,   0.50,  -8.17,  99.90,  -8.65,  -0.98,
04/21 12Z,   0.50,  -7.43,  99.90,  -7.92,  -0.98,
04/21 13Z,   0.50,  -6.63,  99.90,  -7.11,  -0.98,
04/21 14Z,   0.50,  -5.93,  99.90,  -6.42,  -0.98,
04/21 15Z,   0.50,  -5.55,  99.90,  -6.03,  -0.98,  (max)
04/21 16Z,   0.50,  -5.65,  99.90,  -6.13,  -0.98,
04/21 17Z,   0.40,  -6.29,  99.90,  -6.87,  -0.98,
04/21 18Z,   0.40,  -7.39,  99.90,  -7.97,  -0.98,
04/21 19Z,   0.40,  -8.79,  99.90,  -9.37,  -0.98,
04/21 20Z,   0.40, -10.29,  99.90, -10.87,  -0.98,
04/21 21Z,   0.40, -11.59,  99.90, -12.18,  -0.98,
04/21 22Z,   0.40, -12.41,  99.90, -12.99,  -0.98,
04/21 23Z,   0.50, -12.58,  99.90, -13.06,  -0.98,  (min)
04/22 00Z,   0.50, -12.14,  99.90, -12.62,  -0.98,
04/22 01Z,   0.50, -11.21,  99.90, -11.69,  -0.98,
04/22 02Z,   0.50,  -9.97,  99.90, -10.45,  -0.98,
04/22 03Z,   0.60,  -8.64,  99.90,  -9.02,  -0.98,
04/22 04Z,   0.50,  -7.51,  99.90,  -7.99,  -0.98,
04/22 05Z,   0.60,  -6.82,  99.90,  -7.20,  -0.98,
04/22 06Z,   0.60,  -6.64,  99.90,  -7.03,  -0.98,  (max)
04/22 07Z,   0.60,  -6.94,  99.90,  -7.32,  -0.98,
04/22 08Z,   0.60,  -7.59,  99.90,  -7.97,  -0.98,
04/22 09Z,   0.60,  -8.38,  99.90,  -8.77,  -0.98,
04/22 10Z,   0.60,  -9.02,  99.90,  -9.40,  -0.98,
04/22 11Z,   0.60,  -9.25,  99.90,  -9.63,  -0.98,  (min)
04/22 12Z,   0.60,  -9.01,  99.90,  -9.39,  -0.98,
04/22 13Z,   0.50,  -8.38,  99.90,  -8.86,  -0.98,
04/22 14Z,   0.50,  -7.50,  99.90,  -7.98,  -0.98,
04/22 15Z,   0.50,  -6.57,  99.90,  -7.05,  -0.98,
04/22 16Z,   0.50,  -5.85,  99.90,  -6.34,  -0.98,
04/22 17Z,   0.50,  -5.63,  99.90,  -6.11,  -0.98,  (max)
04/22 18Z,   0.40,  -6.02,  99.90,  -6.60,  -0.98,
04/22 19Z,   0.50,  -6.99,  99.90,  -7.47,  -0.98,
04/22 20Z,   0.50,  -8.40,  99.90,  -8.89,  -0.98,
04/22 21Z,   0.50, -10.04,  99.90, -10.53,  -0.98,
04/22 22Z,   0.50, -11.56,  99.90, -12.04,  -0.98,
04/22 23Z,   0.50, -12.57,  99.90, -13.05,  -0.98,
04/23 00Z,   0.50, -12.87,  99.90, -13.35,  -0.98,  (min)
04/23 01Z,   0.40, -12.42,  99.90, -13.00,  -0.98,
04/23 02Z,   0.40, -11.33,  99.90, -11.91,  -0.98,
04/23 03Z,   0.30,  -9.79,  99.90, -10.47,  -0.98,
04/23 04Z,   0.40,  -8.13,  99.90,  -8.71,  -0.98,
04/23 05Z,   0.30,  -6.74,  99.90,  -7.42,  -0.98,
04/23 06Z,   0.40,  -5.92,  99.90,  -6.51,  -0.98,
04/23 07Z,   0.40,  -5.81,  99.90,  -6.39,  -0.98,  (max)
04/23 08Z,   0.40,  -6.36,  99.90,  -6.94,  -0.98,
04/23 09Z,   0.40,  -7.43,  99.90,  -8.01,  -0.98,
04/23 10Z,   0.40,  -8.71,  99.90,  -9.30,  -0.98,
04/23 11Z,   0.40,  -9.81,  99.90, -10.39,  -0.98,
04/23 12Z,   0.30, -10.37,  99.90, -11.06,  -0.98,  (min)
04/23 13Z,   0.50, -10.27,  99.90, -10.76,  -0.98,
04/23 14Z,   0.30,  -9.55,  99.90, -10.24,  -0.98,
04/23 15Z,   0.20,  -8.37,  99.90,  -9.15,  -0.98,
04/23 16Z,   0.30,  -7.01,  99.90,  -7.69,  -0.98,
04/23 17Z,   0.40,  -5.87,  99.90,  -6.45,  -0.98,
04/23 18Z,   0.30,  -5.31,  99.90,  -5.99,  -0.98,
04/23 19Z,  99.90,  -5.52,  99.90,  99.90,  -0.98,
04/23 20Z,  99.90,  -6.49,  99.90,  99.90,  -0.98,
04/23 21Z,  99.90,  -8.07,  99.90,  99.90,  -0.98,
04/23 22Z,  99.90,  -9.96,  99.90,  99.90,  -0.98,
04/23 23Z,  99.90, -11.72,  99.90,  99.90,  -0.98,
04/24 00Z,  99.90, -12.89,  99.90,  99.90,  -0.98,