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
#North Spit, CA : 02/19/2025 22:22:15 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/18 06Z,   0.00,  -4.19,  -4.03,  99.90,   0.16,  (min)
02/18 07Z,   0.00,  -3.25,  -3.18,  99.90,   0.07,
02/18 08Z,   0.00,  -2.19,  -2.10,  99.90,   0.09,
02/18 09Z,   0.00,  -1.25,  -1.20,  99.90,   0.05,
02/18 10Z,   0.00,  -0.61,  -0.47,  99.90,   0.14,
02/18 11Z,   0.00,  -0.38,  -0.17,  99.90,   0.21,  (max)
02/18 12Z,  -0.10,  -0.68,  -0.38,  99.90,   0.40,
02/18 13Z,  -0.10,  -1.48,  -1.18,  99.90,   0.40,
02/18 14Z,  -0.10,  -2.57,  -2.24,  99.90,   0.43,
02/18 15Z,  -0.10,  -3.69,  -3.31,  99.90,   0.48,
02/18 16Z,  -0.10,  -4.63,  -4.27,  99.90,   0.46,
02/18 17Z,  -0.10,  -5.19,  -4.72,  99.90,   0.57,
02/18 18Z,  -0.30,  -5.26,  -5.04,  99.90,   0.52,  (min)
02/18 19Z,  -0.20,  -4.84,  -4.54,  99.90,   0.50,
02/18 20Z,  -0.20,  -4.13,  -3.90,  99.90,   0.43,
02/18 21Z,  -0.20,  -3.37,  -3.15,  99.90,   0.42,
02/18 22Z,  -0.20,  -2.72,  -2.50,  99.90,   0.42,
02/18 23Z,  -0.10,  -2.31,  -2.11,  99.90,   0.30,
02/19 00Z,  -0.10,  -2.25,  -2.04,  99.90,   0.31,  (max)
02/19 01Z,  -0.10,  -2.57,  -2.32,  99.90,   0.35,
02/19 02Z,  -0.10,  -3.13,  -2.82,  99.90,   0.41,
02/19 03Z,  -0.10,  -3.71,  -3.37,  99.90,   0.44,
02/19 04Z,  -0.10,  -4.12,  -3.78,  99.90,   0.44,
02/19 05Z,  -0.10,  -4.23,  -3.80,  99.90,   0.53,  (min)
02/19 06Z,  -0.10,  -3.96,  -3.55,  99.90,   0.51,
02/19 07Z,  -0.10,  -3.31,  -2.98,  99.90,   0.43,
02/19 08Z,   0.00,  -2.43,  -2.11,  99.90,   0.32,
02/19 09Z,  -0.10,  -1.55,  -1.21,  99.90,   0.44,
02/19 10Z,   0.00,  -0.87,  -0.41,  99.90,   0.46,
02/19 11Z,   0.00,  -0.47,  -0.09,  99.90,   0.38,
02/19 12Z,   0.00,  -0.48,   0.01,  99.90,   0.49,  (max)
02/19 13Z,   0.00,  -0.95,  -0.50,  99.90,   0.45,
02/19 14Z,   0.00,  -1.83,  -1.39,  99.90,   0.44,
02/19 15Z,   0.00,  -2.91,  -2.31,  99.90,   0.60,
02/19 16Z,   0.00,  -3.96,  -3.41,  99.90,   0.55,
02/19 17Z,   0.00,  -4.79,  -4.21,  99.90,   0.58,
02/19 18Z,  -0.10,  -5.28,  -4.70,  99.90,   0.68,
02/19 19Z,  -0.10,  -5.31,  -4.83,  99.90,   0.58,  (min)
02/19 20Z,  -0.10,  -4.94,  -4.43,  99.90,   0.61,
02/19 21Z,  -0.20,  -4.33,  -3.98,  99.90,   0.55,
02/19 22Z,  -0.20,  -3.68,  -3.47,  99.90,   0.41,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/19 23Z,  -0.20,  -3.12,  99.90,  -2.90,   0.41,
02/20 00Z,  -0.20,  -2.74,  99.90,  -2.52,   0.42,
02/20 01Z,  -0.20,  -2.63,  99.90,  -2.41,   0.43,  (max)
02/20 02Z,  -0.30,  -2.82,  99.90,  -2.69,   0.43,
02/20 03Z,  -0.30,  -3.17,  99.90,  -3.04,   0.44,
02/20 04Z,  -0.30,  -3.50,  99.90,  -3.36,   0.44,
02/20 05Z,  -0.30,  -3.67,  99.90,  -3.52,   0.45,
02/20 06Z,  -0.40,  -3.61,  99.90,  -3.56,   0.45,  (min)
02/20 07Z,  -0.40,  -3.27,  99.90,  -3.21,   0.46,
02/20 08Z,  -0.30,  -2.65,  99.90,  -2.49,   0.47,
02/20 09Z,  -0.30,  -1.90,  99.90,  -1.73,   0.47,
02/20 10Z,  -0.30,  -1.21,  99.90,  -1.03,   0.48,
02/20 11Z,  -0.30,  -0.71,  99.90,  -0.53,   0.48,
02/20 12Z,  -0.30,  -0.48,  99.90,  -0.31,   0.48,  (max)
02/20 13Z,  -0.20,  -0.62,  99.90,  -0.34,   0.48,
02/20 14Z,  -0.20,  -1.17,  99.90,  -0.89,   0.48,
02/20 15Z,  -0.30,  -2.07,  99.90,  -1.89,   0.48,
02/20 16Z,  -0.30,  -3.11,  99.90,  -2.93,   0.48,
02/20 17Z,  -0.30,  -4.10,  99.90,  -3.92,   0.48,
02/20 18Z,  -0.30,  -4.90,  99.90,  -4.72,   0.48,
02/20 19Z,  -0.30,  -5.39,  99.90,  -5.21,   0.48,
02/20 20Z,  -0.30,  -5.46,  99.90,  -5.28,   0.48,  (min)
02/20 21Z,  -0.20,  -5.16,  99.90,  -4.88,   0.48,
02/20 22Z,  -0.20,  -4.63,  99.90,  -4.36,   0.48,
02/20 23Z,  -0.20,  -4.05,  99.90,  -3.77,   0.48,
02/21 00Z,  -0.10,  -3.49,  99.90,  -3.11,   0.48,
02/21 01Z,  -0.20,  -3.05,  99.90,  -2.77,   0.48,
02/21 02Z,  -0.20,  -2.83,  99.90,  -2.56,   0.48,
02/21 03Z,  -0.10,  -2.86,  99.90,  -2.48,   0.48,  (max)
02/21 04Z,  -0.20,  -3.02,  99.90,  -2.74,   0.48,
02/21 05Z,  -0.20,  -3.16,  99.90,  -2.89,   0.48,  (min)
02/21 06Z,  -0.10,  -3.21,  99.90,  -2.84,   0.48,  (max)
02/21 07Z,  -0.20,  -3.11,  99.90,  -2.84,   0.48,  (min)
02/21 08Z,  -0.10,  -2.80,  99.90,  -2.42,   0.48,
02/21 09Z,  -0.10,  -2.27,  99.90,  -1.90,   0.48,
02/21 10Z,  -0.10,  -1.65,  99.90,  -1.27,   0.48,
02/21 11Z,   0.00,  -1.08,  99.90,  -0.61,   0.48,
02/21 12Z,  -0.10,  -0.68,  99.90,  -0.31,   0.48,
02/21 13Z,   0.00,  -0.52,  99.90,  -0.04,   0.48,  (max)
02/21 14Z,   0.00,  -0.69,  99.90,  -0.21,   0.48,
02/21 15Z,  -0.10,  -1.26,  99.90,  -0.88,   0.48,
02/21 16Z,  -0.10,  -2.14,  99.90,  -1.77,   0.48,
02/21 17Z,  -0.10,  -3.18,  99.90,  -2.80,   0.48,
02/21 18Z,  -0.20,  -4.19,  99.90,  -3.91,   0.48,
02/21 19Z,  -0.20,  -5.04,  99.90,  -4.76,   0.48,
02/21 20Z,  -0.10,  -5.60,  99.90,  -5.22,   0.48,
02/21 21Z,  -0.10,  -5.74,  99.90,  -5.37,   0.48,  (min)
02/21 22Z,  -0.10,  -5.50,  99.90,  -5.13,   0.48,
02/21 23Z,  -0.10,  -5.01,  99.90,  -4.63,   0.48,
02/22 00Z,   0.00,  -4.40,  99.90,  -3.92,   0.48,
02/22 01Z,  -0.10,  -3.75,  99.90,  -3.37,   0.48,
02/22 02Z,  -0.10,  -3.19,  99.90,  -2.81,   0.48,
02/22 03Z,  -0.10,  -2.83,  99.90,  -2.45,   0.48,
02/22 04Z,  -0.20,  -2.71,  99.90,  -2.43,   0.48,  (max)
02/22 05Z,  -0.20,  -2.74,  99.90,  -2.46,   0.48,
02/22 06Z,  -0.20,  -2.81,  99.90,  -2.54,   0.48,
02/22 07Z,  -0.20,  -2.87,  99.90,  -2.59,   0.48,  (min)
02/22 08Z,  -0.20,  -2.83,  99.90,  -2.56,   0.48,
02/22 09Z,  -0.20,  -2.61,  99.90,  -2.33,   0.48,
02/22 10Z,  -0.10,  -2.16,  99.90,  -1.79,   0.48,
02/22 11Z,  -0.10,  -1.61,  99.90,  -1.23,   0.48,
02/22 12Z,  -0.20,  -1.07,  99.90,  -0.80,   0.48,
02/22 13Z,  -0.10,  -0.66,  99.90,  -0.29,   0.48,
02/22 14Z,   0.00,  -0.47,  99.90,   0.01,   0.48,  (max)
02/22 15Z,  -0.10,  -0.62,  99.90,  -0.24,   0.48,
02/22 16Z,  -0.10,  -1.19,  99.90,  -0.81,   0.48,
02/22 17Z,  -0.20,  -2.10,  99.90,  -1.82,   0.48,
02/22 18Z,  -0.20,  -3.20,  99.90,  -2.92,   0.48,
02/22 19Z,  -0.20,  -4.32,  99.90,  -4.04,   0.48,
02/22 20Z,  -0.20,  -5.30,  99.90,  -5.03,   0.48,
02/22 21Z,  -0.20,  -5.97,  99.90,  -5.69,   0.48,
02/22 22Z,  -0.30,  -6.17,  99.90,  -5.99,   0.48,  (min)
02/22 23Z,  -0.10,  -5.93,  99.90,  -5.55,   0.48,
02/23 00Z,   0.00,  -5.37,  99.90,  -4.90,   0.48,
02/23 01Z,  -0.10,  -4.64,  99.90,  -4.26,   0.48,
02/23 02Z,  -0.10,  -3.83,  99.90,  -3.46,   0.48,
02/23 03Z,  -0.10,  -3.11,  99.90,  -2.73,   0.48,
02/23 04Z,  -0.10,  -2.62,  99.90,  -2.24,   0.48,
02/23 05Z,  -0.20,  -2.42,  99.90,  -2.14,   0.48,  (max)
02/23 06Z,  -0.20,  -2.43,  99.90,  -2.16,   0.48,
02/23 07Z,  -0.20,  -2.57,  99.90,  -2.29,   0.48,
02/23 08Z,  -0.20,  -2.74,  99.90,  -2.46,   0.48,  (min)
02/23 09Z,  -0.10,  -2.82,  99.90,  -2.45,   0.48,
02/23 10Z,  -0.10,  -2.68,  99.90,  -2.30,   0.48,
02/23 11Z,  -0.10,  -2.26,  99.90,  -1.89,   0.48,
02/23 12Z,  -0.10,  -1.68,  99.90,  -1.30,   0.48,
02/23 13Z,  99.90,  -1.07,  99.90,  99.90,   0.48,
02/23 14Z,  99.90,  -0.56,  99.90,  99.90,   0.48,
02/23 15Z,  99.90,  -0.29,  99.90,  99.90,   0.48,
02/23 16Z,  99.90,  -0.41,  99.90,  99.90,   0.48,
02/23 17Z,  99.90,  -1.01,  99.90,  99.90,   0.48,
02/23 18Z,  99.90,  -2.03,  99.90,  99.90,   0.48,