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 : 04/17/2025 19:23:13 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/16 00Z,   0.40,  -1.96,  -2.61,  99.90,  -1.05,  (max)
04/16 01Z,   0.30,  -2.59,  -3.16,  99.90,  -0.87,
04/16 02Z,   0.30,  -3.92,  -4.39,  99.90,  -0.77,
04/16 03Z,   0.30,  -5.57,  -6.16,  99.90,  -0.89,
04/16 04Z,   0.40,  -7.05,  -7.63,  99.90,  -0.98,
04/16 05Z,   0.40,  -7.85,  -8.42,  99.90,  -0.97,  (min)
04/16 06Z,   0.30,  -7.63,  -8.15,  99.90,  -0.82,
04/16 07Z,   0.40,  -6.43,  -6.54,  99.90,  -0.51,
04/16 08Z,   0.40,  -4.56,  -5.00,  99.90,  -0.84,
04/16 09Z,   0.50,  -2.52,  -2.95,  99.90,  -0.93,
04/16 10Z,   0.50,  -0.82,  -0.94,  99.90,  -0.62,
04/16 11Z,   0.60,   0.06,  -0.22,  99.90,  -0.88,  (max)
04/16 12Z,   0.50,  -0.18,  -0.37,  99.90,  -0.69,
04/16 13Z,   0.50,  -1.49,  -1.66,  99.90,  -0.67,
04/16 14Z,   0.50,  -3.60,  -3.56,  99.90,  -0.46,
04/16 15Z,   0.50,  -6.11,  -6.05,  99.90,  -0.44,
04/16 16Z,   0.60,  -8.52,  -8.77,  99.90,  -0.85,
04/16 17Z,   0.60, -10.31, -10.23,  99.90,  -0.52,
04/16 18Z,   0.60, -11.03, -11.02,  99.90,  -0.59,  (min)
04/16 19Z,   0.70, -10.56, -10.56,  99.90,  -0.70,
04/16 20Z,   0.80,  -9.11,  -8.97,  99.90,  -0.66,
04/16 21Z,   0.80,  -7.11,  -6.95,  99.90,  -0.64,
04/16 22Z,   0.80,  -5.05,  -5.06,  99.90,  -0.81,
04/16 23Z,   0.70,  -3.40,  -3.41,  99.90,  -0.71,
04/17 00Z,   0.90,  -2.54,  -2.46,  99.90,  -0.82,
04/17 01Z,   0.90,  -2.59,  -2.36,  99.90,  -0.67,  (max)
04/17 02Z,   1.00,  -3.41,  -2.90,  99.90,  -0.49,
04/17 03Z,   1.00,  -4.69,  -4.04,  99.90,  -0.35,
04/17 04Z,   1.40,  -6.04,  -5.62,  99.90,  -0.98,
04/17 05Z,   1.10,  -7.06,  -6.77,  99.90,  -0.81,  (min)
04/17 06Z,   1.30,  -7.32,  -6.75,  99.90,  -0.73,
04/17 07Z,   1.30,  -6.65,  -6.32,  99.90,  -0.97,
04/17 08Z,   1.30,  -5.22,  -5.05,  99.90,  -1.13,
04/17 09Z,   1.30,  -3.41,  -3.12,  99.90,  -1.01,
04/17 10Z,   1.10,  -1.71,  -1.34,  99.90,  -0.73,
04/17 11Z,   1.00,  -0.53,  -0.26,  99.90,  -0.73,
04/17 12Z,   1.30,  -0.24,  -0.05,  99.90,  -1.11,  (max)
04/17 13Z,   1.20,  -0.97,  -0.78,  99.90,  -1.01,
04/17 14Z,   1.10,  -2.57,  -2.31,  99.90,  -0.84,
04/17 15Z,   1.00,  -4.73,  -4.44,  99.90,  -0.71,
04/17 16Z,   1.00,  -7.03,  -6.77,  99.90,  -0.74,
04/17 17Z,   1.00,  -9.05,  -8.88,  99.90,  -0.83,
04/17 18Z,   0.90, -10.33, -10.21,  99.90,  -0.78,
04/17 19Z,   1.00, -10.58, -10.43,  99.90,  -0.85,  (min)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/17 20Z,   1.10,  -9.81,  99.90,  -9.56,  -0.85,
04/17 21Z,   1.20,  -8.31,  99.90,  -7.96,  -0.86,
04/17 22Z,   1.30,  -6.49,  99.90,  -6.06,  -0.86,
04/17 23Z,   1.40,  -4.79,  99.90,  -4.26,  -0.87,
04/18 00Z,   1.40,  -3.56,  99.90,  -3.04,  -0.88,
04/18 01Z,   1.50,  -3.07,  99.90,  -2.45,  -0.88,  (max)
04/18 02Z,   1.40,  -3.32,  99.90,  -2.81,  -0.89,
04/18 03Z,   1.40,  -4.13,  99.90,  -3.62,  -0.89,
04/18 04Z,   1.30,  -5.19,  99.90,  -4.79,  -0.90,
04/18 05Z,   1.20,  -6.18,  99.90,  -5.88,  -0.90,
04/18 06Z,   1.20,  -6.75,  99.90,  -6.46,  -0.91,  (min)
04/18 07Z,   1.10,  -6.60,  99.90,  -6.42,  -0.91,
04/18 08Z,   1.20,  -5.69,  99.90,  -5.41,  -0.91,
04/18 09Z,   1.20,  -4.26,  99.90,  -3.98,  -0.91,
04/18 10Z,   1.20,  -2.71,  99.90,  -2.42,  -0.91,
04/18 11Z,   1.20,  -1.42,  99.90,  -1.13,  -0.91,
04/18 12Z,   1.20,  -0.72,  99.90,  -0.44,  -0.91,  (max)
04/18 13Z,   1.30,  -0.86,  99.90,  -0.47,  -0.91,
04/18 14Z,   1.20,  -1.85,  99.90,  -1.57,  -0.91,
04/18 15Z,   1.20,  -3.52,  99.90,  -3.23,  -0.91,
04/18 16Z,   1.10,  -5.52,  99.90,  -5.34,  -0.91,
04/18 17Z,   1.10,  -7.52,  99.90,  -7.34,  -0.91,
04/18 18Z,   1.10,  -9.15,  99.90,  -8.96,  -0.91,
04/18 19Z,   1.10, -10.04,  99.90,  -9.85,  -0.91,  (min)
04/18 20Z,   1.10, -10.01,  99.90,  -9.82,  -0.91,
04/18 21Z,   1.10,  -9.16,  99.90,  -8.97,  -0.91,
04/18 22Z,   1.10,  -7.79,  99.90,  -7.60,  -0.91,
04/18 23Z,   1.10,  -6.26,  99.90,  -6.08,  -0.91,
04/19 00Z,   1.10,  -4.90,  99.90,  -4.71,  -0.91,
04/19 01Z,   1.10,  -3.98,  99.90,  -3.79,  -0.91,
04/19 02Z,   1.10,  -3.66,  99.90,  -3.48,  -0.91,  (max)
04/19 03Z,   1.10,  -3.93,  99.90,  -3.74,  -0.91,
04/19 04Z,   1.10,  -4.57,  99.90,  -4.38,  -0.91,
04/19 05Z,   1.00,  -5.35,  99.90,  -5.26,  -0.91,
04/19 06Z,   1.00,  -6.01,  99.90,  -5.92,  -0.91,
04/19 07Z,   0.90,  -6.26,  99.90,  -6.28,  -0.91,  (min)
04/19 08Z,   0.90,  -5.92,  99.90,  -5.93,  -0.91,
04/19 09Z,   0.90,  -4.99,  99.90,  -5.00,  -0.91,
04/19 10Z,   0.90,  -3.74,  99.90,  -3.75,  -0.91,
04/19 11Z,   0.80,  -2.51,  99.90,  -2.63,  -0.91,
04/19 12Z,   0.80,  -1.60,  99.90,  -1.71,  -0.91,
04/19 13Z,   0.70,  -1.23,  99.90,  -1.45,  -0.91,  (max)
04/19 14Z,   0.70,  -1.57,  99.90,  -1.79,  -0.91,
04/19 15Z,   0.70,  -2.61,  99.90,  -2.82,  -0.91,
04/19 16Z,   0.70,  -4.14,  99.90,  -4.36,  -0.91,
04/19 17Z,   0.60,  -5.91,  99.90,  -6.22,  -0.91,
04/19 18Z,   0.60,  -7.61,  99.90,  -7.93,  -0.91,
04/19 19Z,   0.60,  -8.95,  99.90,  -9.27,  -0.91,
04/19 20Z,   0.60,  -9.64,  99.90,  -9.95,  -0.91,  (min)
04/19 21Z,   0.60,  -9.54,  99.90,  -9.86,  -0.91,
04/19 22Z,   0.50,  -8.79,  99.90,  -9.20,  -0.91,
04/19 23Z,   0.50,  -7.64,  99.90,  -8.05,  -0.91,
04/20 00Z,   0.40,  -6.37,  99.90,  -6.89,  -0.91,
04/20 01Z,   0.40,  -5.22,  99.90,  -5.73,  -0.91,
04/20 02Z,   0.40,  -4.41,  99.90,  -4.92,  -0.91,
04/20 03Z,   0.40,  -4.08,  99.90,  -4.59,  -0.91,  (max)
04/20 04Z,   0.40,  -4.20,  99.90,  -4.72,  -0.91,
04/20 05Z,   0.40,  -4.63,  99.90,  -5.14,  -0.91,
04/20 06Z,   0.50,  -5.18,  99.90,  -5.59,  -0.91,
04/20 07Z,   0.40,  -5.65,  99.90,  -6.17,  -0.91,
04/20 08Z,   0.50,  -5.81,  99.90,  -6.22,  -0.91,  (min)
04/20 09Z,   0.50,  -5.49,  99.90,  -5.90,  -0.91,
04/20 10Z,   0.50,  -4.72,  99.90,  -5.14,  -0.91,
04/20 11Z,   0.40,  -3.74,  99.90,  -4.26,  -0.91,
04/20 12Z,   0.40,  -2.80,  99.90,  -3.32,  -0.91,
04/20 13Z,   0.30,  -2.11,  99.90,  -2.72,  -0.91,
04/20 14Z,   0.30,  -1.85,  99.90,  -2.46,  -0.91,  (max)
04/20 15Z,   0.20,  -2.16,  99.90,  -2.88,  -0.91,
04/20 16Z,   0.20,  -3.06,  99.90,  -3.77,  -0.91,
04/20 17Z,   0.20,  -4.37,  99.90,  -5.09,  -0.91,
04/20 18Z,   0.20,  -5.90,  99.90,  -6.62,  -0.91,
04/20 19Z,   0.30,  -7.42,  99.90,  -8.04,  -0.91,
04/20 20Z,   0.40,  -8.65,  99.90,  -9.17,  -0.91,
04/20 21Z,   0.40,  -9.33,  99.90,  -9.85,  -0.91,
04/20 22Z,   0.40,  -9.34,  99.90,  -9.85,  -0.91,  (min)
04/20 23Z,   0.40,  -8.76,  99.90,  -9.27,  -0.91,
04/21 00Z,   0.40,  -7.79,  99.90,  -8.31,  -0.91,
04/21 01Z,   0.40,  -6.64,  99.90,  -7.15,  -0.91,
04/21 02Z,   0.30,  -5.50,  99.90,  -6.11,  -0.91,
04/21 03Z,   0.30,  -4.60,  99.90,  -5.22,  -0.91,
04/21 04Z,   0.30,  -4.11,  99.90,  -4.73,  -0.91,
04/21 05Z,   0.30,  -4.05,  99.90,  -4.66,  -0.91,  (max)
04/21 06Z,   0.30,  -4.32,  99.90,  -4.94,  -0.91,
04/21 07Z,   0.30,  -4.80,  99.90,  -5.42,  -0.91,
04/21 08Z,   0.40,  -5.32,  99.90,  -5.83,  -0.91,
04/21 09Z,   0.40,  -5.61,  99.90,  -6.13,  -0.91,  (min)
04/21 10Z,   0.40,  -5.51,  99.90,  -6.02,  -0.91,
04/21 11Z,   0.40,  -5.01,  99.90,  -5.53,  -0.91,
04/21 12Z,   0.40,  -4.27,  99.90,  -4.79,  -0.91,