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 : 03/16/2026 14:22:13 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/14 18Z,   0.60,  -5.17,  -6.19,  99.90,  -1.62,
03/14 19Z,   0.70,  -5.04,  -5.94,  99.90,  -1.60,  (max)
03/14 20Z,   0.60,  -5.53,  -6.40,  99.90,  -1.47,
03/14 21Z,   0.70,  -6.63,  -7.53,  99.90,  -1.60,
03/14 22Z,   0.70,  -8.22,  -9.19,  99.90,  -1.67,
03/14 23Z,   0.70,  -9.98, -10.93,  99.90,  -1.65,
03/15 00Z,   0.60, -11.53, -12.34,  99.90,  -1.41,
03/15 01Z,   0.60, -12.53, -13.61,  99.90,  -1.68,
03/15 02Z,   0.60, -12.82, -13.79,  99.90,  -1.57,  (min)
03/15 03Z,   0.60, -12.34, -13.34,  99.90,  -1.60,
03/15 04Z,   0.60, -11.15, -12.10,  99.90,  -1.55,
03/15 05Z,   0.60,  -9.55, -10.40,  99.90,  -1.45,
03/15 06Z,   0.50,  -7.93,  -8.92,  99.90,  -1.49,
03/15 07Z,   0.50,  -6.68,  -7.62,  99.90,  -1.44,
03/15 08Z,   0.60,  -6.01,  -6.90,  99.90,  -1.49,  (max)
03/15 09Z,   0.60,  -6.02,  -6.99,  99.90,  -1.57,
03/15 10Z,   0.50,  -6.66,  -7.59,  99.90,  -1.43,
03/15 11Z,   0.40,  -7.72,  -8.40,  99.90,  -1.08,
03/15 12Z,   0.40,  -8.81,  -9.55,  99.90,  -1.14,
03/15 13Z,   0.40,  -9.55, -10.30,  99.90,  -1.15,
03/15 14Z,   0.50,  -9.73, -10.50,  99.90,  -1.27,  (min)
03/15 15Z,   0.40,  -9.25, -10.09,  99.90,  -1.24,
03/15 16Z,   0.30,  -8.18,  -8.97,  99.90,  -1.09,
03/15 17Z,   0.40,  -6.76,  -7.49,  99.90,  -1.13,
03/15 18Z,   0.50,  -5.41,  -6.18,  99.90,  -1.27,
03/15 19Z,   0.60,  -4.55,  -5.35,  99.90,  -1.40,
03/15 20Z,   0.60,  -4.43,  -5.07,  99.90,  -1.24,  (max)
03/15 21Z,   0.60,  -5.14,  -5.78,  99.90,  -1.24,
03/15 22Z,   0.80,  -6.62,  -7.29,  99.90,  -1.47,
03/15 23Z,   0.90,  -8.64,  -9.15,  99.90,  -1.41,
03/16 00Z,   1.00, -10.77, -11.20,  99.90,  -1.43,
03/16 01Z,   1.00, -12.49, -13.01,  99.90,  -1.52,
03/16 02Z,   1.00, -13.42, -14.01,  99.90,  -1.59,  (min)
03/16 03Z,   1.30, -13.39, -13.91,  99.90,  -1.82,
03/16 04Z,   1.30, -12.39, -12.87,  99.90,  -1.78,
03/16 05Z,   1.30, -10.64, -11.16,  99.90,  -1.82,
03/16 06Z,   1.40,  -8.57,  -9.08,  99.90,  -1.91,
03/16 07Z,   1.50,  -6.72,  -7.24,  99.90,  -2.02,
03/16 08Z,   1.70,  -5.50,  -6.02,  99.90,  -2.22,
03/16 09Z,   1.60,  -5.13,  -5.55,  99.90,  -2.02,  (max)
03/16 10Z,   1.60,  -5.65,  -6.12,  99.90,  -2.07,
03/16 11Z,   1.70,  -6.89,  -7.25,  99.90,  -2.06,
03/16 12Z,   1.70,  -8.50,  -8.69,  99.90,  -1.89,
03/16 13Z,   1.70,  -9.95, -10.04,  99.90,  -1.79,
03/16 14Z,   1.70, -10.78, -10.98,  99.90,  -1.90,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/16 15Z,   1.50, -10.75,  99.90, -11.12,  -1.87,  (min)
03/16 16Z,   1.80,  -9.84,  99.90,  -9.89,  -1.85,
03/16 17Z,   1.50,  -8.25,  99.90,  -8.57,  -1.82,
03/16 18Z,   1.70,  -6.36,  99.90,  -6.45,  -1.80,
03/16 19Z,   1.40,  -4.73,  99.90,  -5.10,  -1.77,
03/16 20Z,   1.80,  -3.84,  99.90,  -3.78,  -1.74,  (max)
03/16 21Z,   1.50,  -3.93,  99.90,  -4.15,  -1.72,
03/16 22Z,   1.70,  -5.05,  99.90,  -5.04,  -1.69,
03/16 23Z,   1.70,  -7.02,  99.90,  -6.99,  -1.67,
03/17 00Z,   1.90,  -9.47,  99.90,  -9.21,  -1.64,
03/17 01Z,   1.80, -11.82,  99.90, -11.64,  -1.62,
03/17 02Z,   1.60, -13.48,  99.90, -13.47,  -1.59,
03/17 03Z,   1.70, -14.06,  99.90, -13.95,  -1.59,  (min)
03/17 04Z,   1.70, -13.45,  99.90, -13.34,  -1.59,
03/17 05Z,   1.80, -11.80,  99.90, -11.59,  -1.59,
03/17 06Z,   1.70,  -9.48,  99.90,  -9.37,  -1.59,
03/17 07Z,   1.90,  -7.09,  99.90,  -6.78,  -1.59,
03/17 08Z,   1.90,  -5.24,  99.90,  -4.93,  -1.59,
03/17 09Z,   1.70,  -4.34,  99.90,  -4.23,  -1.59,
03/17 10Z,   2.00,  -4.53,  99.90,  -4.12,  -1.59,  (max)
03/17 11Z,   1.70,  -5.75,  99.90,  -5.64,  -1.59,
03/17 12Z,   1.90,  -7.67,  99.90,  -7.36,  -1.59,
03/17 13Z,   1.90,  -9.76,  99.90,  -9.45,  -1.59,
03/17 14Z,   1.80, -11.38,  99.90, -11.17,  -1.59,
03/17 15Z,   1.80, -12.05,  99.90, -11.84,  -1.59,  (min)
03/17 16Z,   1.80, -11.59,  99.90, -11.38,  -1.59,
03/17 17Z,   1.80, -10.11,  99.90,  -9.90,  -1.59,
03/17 18Z,   1.70,  -7.95,  99.90,  -7.84,  -1.59,
03/17 19Z,   1.70,  -5.69,  99.90,  -5.58,  -1.59,
03/17 20Z,   1.70,  -3.96,  99.90,  -3.85,  -1.59,
03/17 21Z,   1.70,  -3.25,  99.90,  -3.13,  -1.59,  (max)
03/17 22Z,   1.70,  -3.74,  99.90,  -3.63,  -1.59,
03/17 23Z,   1.70,  -5.35,  99.90,  -5.24,  -1.59,
03/18 00Z,   1.60,  -7.80,  99.90,  -7.79,  -1.59,
03/18 01Z,   1.60, -10.54,  99.90, -10.53,  -1.59,
03/18 02Z,   1.50, -12.87,  99.90, -12.96,  -1.59,
03/18 03Z,   1.50, -14.19,  99.90, -14.28,  -1.59,  (min)
03/18 04Z,   1.50, -14.18,  99.90, -14.27,  -1.59,
03/18 05Z,   1.40, -12.86,  99.90, -13.05,  -1.59,
03/18 06Z,   1.30, -10.55,  99.90, -10.84,  -1.59,
03/18 07Z,   1.40,  -7.81,  99.90,  -8.00,  -1.59,
03/18 08Z,   1.50,  -5.35,  99.90,  -5.44,  -1.59,
03/18 09Z,   1.50,  -3.79,  99.90,  -3.88,  -1.59,
03/18 10Z,   1.40,  -3.47,  99.90,  -3.66,  -1.59,  (max)
03/18 11Z,   1.40,  -4.42,  99.90,  -4.61,  -1.59,
03/18 12Z,   1.40,  -6.38,  99.90,  -6.57,  -1.59,
03/18 13Z,   1.40,  -8.90,  99.90,  -9.09,  -1.59,
03/18 14Z,   1.30, -11.29,  99.90, -11.58,  -1.59,
03/18 15Z,   1.40, -12.84,  99.90, -13.03,  -1.59,
03/18 16Z,   1.40, -13.13,  99.90, -13.32,  -1.59,  (min)
03/18 17Z,   1.30, -12.10,  99.90, -12.39,  -1.59,
03/18 18Z,   1.20, -10.01,  99.90, -10.40,  -1.59,
03/18 19Z,   1.20,  -7.40,  99.90,  -7.79,  -1.59,
03/18 20Z,   1.40,  -4.94,  99.90,  -5.13,  -1.59,
03/18 21Z,   1.50,  -3.32,  99.90,  -3.41,  -1.59,
03/18 22Z,   1.50,  -2.97,  99.90,  -3.06,  -1.59,  (max)
03/18 23Z,   1.50,  -3.94,  99.90,  -4.03,  -1.59,
03/19 00Z,   1.50,  -6.03,  99.90,  -6.12,  -1.59,
03/19 01Z,   1.50,  -8.80,  99.90,  -8.89,  -1.59,
03/19 02Z,   1.50, -11.58,  99.90, -11.67,  -1.59,
03/19 03Z,   1.50, -13.63,  99.90, -13.72,  -1.59,
03/19 04Z,   1.50, -14.37,  99.90, -14.46,  -1.59,  (min)
03/19 05Z,   1.50, -13.63,  99.90, -13.72,  -1.59,
03/19 06Z,   1.40, -11.61,  99.90, -11.80,  -1.59,
03/19 07Z,   1.40,  -8.80,  99.90,  -8.99,  -1.59,
03/19 08Z,   1.40,  -5.91,  99.90,  -6.10,  -1.59,
03/19 09Z,   1.40,  -3.68,  99.90,  -3.87,  -1.59,
03/19 10Z,   1.40,  -2.68,  99.90,  -2.87,  -1.59,  (max)
03/19 11Z,   1.40,  -3.11,  99.90,  -3.30,  -1.59,
03/19 12Z,   1.40,  -4.84,  99.90,  -5.03,  -1.59,
03/19 13Z,   1.40,  -7.47,  99.90,  -7.66,  -1.59,
03/19 14Z,   1.30, -10.39,  99.90, -10.68,  -1.59,
03/19 15Z,   1.30, -12.82,  99.90, -13.11,  -1.59,
03/19 16Z,   1.30, -14.08,  99.90, -14.37,  -1.59,  (min)
03/19 17Z,   1.40, -13.83,  99.90, -14.02,  -1.59,
03/19 18Z,   1.40, -12.20,  99.90, -12.39,  -1.59,
03/19 19Z,   1.40,  -9.61,  99.90,  -9.80,  -1.59,
03/19 20Z,   1.50,  -6.74,  99.90,  -6.83,  -1.59,
03/19 21Z,   1.50,  -4.33,  99.90,  -4.42,  -1.59,
03/19 22Z,   1.60,  -3.02,  99.90,  -3.01,  -1.59,  (max)
03/19 23Z,   1.60,  -3.10,  99.90,  -3.09,  -1.59,
03/20 00Z,   1.50,  -4.53,  99.90,  -4.62,  -1.59,
03/20 01Z,   1.40,  -6.95,  99.90,  -7.14,  -1.59,
03/20 02Z,   1.50,  -9.80,  99.90,  -9.89,  -1.59,
03/20 03Z,   1.40, -12.36,  99.90, -12.55,  -1.59,
03/20 04Z,   1.40, -13.88,  99.90, -14.07,  -1.59,
03/20 05Z,   1.30, -13.91,  99.90, -14.20,  -1.59,  (min)
03/20 06Z,   1.40, -12.45,  99.90, -12.64,  -1.59,