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
#Adak Island, AK : 01/18/2026 11:23:55 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/16 12Z,  -0.30,  -4.34,  -4.06,  99.90,   0.58,
01/16 13Z,  -0.30,  -3.69,  -3.26,  99.90,   0.73,
01/16 14Z,  -0.30,  -3.10,  -2.58,  99.90,   0.82,
01/16 15Z,  -0.20,  -2.58,  -1.94,  99.90,   0.84,
01/16 16Z,  -0.10,  -2.16,  -1.47,  99.90,   0.79,
01/16 17Z,  -0.10,  -1.82,  -1.14,  99.90,   0.78,
01/16 18Z,  -0.10,  -1.52,  -0.85,  99.90,   0.77,
01/16 19Z,  -0.10,  -1.27,  -0.67,  99.90,   0.70,
01/16 20Z,  -0.10,  -1.06,  -0.49,  99.90,   0.67,
01/16 21Z,  -0.20,  -0.90,  -0.48,  99.90,   0.62,  (max)
01/16 22Z,  -0.20,  -0.85,  -0.55,  99.90,   0.50,
01/16 23Z,  -0.20,  -0.93,  -0.59,  99.90,   0.54,
01/17 00Z,  -0.20,  -1.18,  -0.93,  99.90,   0.45,
01/17 01Z,  -0.20,  -1.62,  -1.51,  99.90,   0.31,
01/17 02Z,  -0.20,  -2.24,  -2.11,  99.90,   0.33,
01/17 03Z,  -0.20,  -2.99,  -2.76,  99.90,   0.43,
01/17 04Z,  -0.20,  -3.81,  -3.62,  99.90,   0.39,
01/17 05Z,  -0.20,  -4.62,  -4.44,  99.90,   0.38,
01/17 06Z,  -0.30,  -5.32,  -5.06,  99.90,   0.56,
01/17 07Z,  -0.20,  -5.83,  -5.68,  99.90,   0.35,
01/17 08Z,  -0.20,  -6.10,  -5.90,  99.90,   0.40,  (min)
01/17 09Z,  -0.20,  -6.11,  -5.87,  99.90,   0.44,
01/17 10Z,  -0.20,  -5.86,  -5.62,  99.90,   0.44,
01/17 11Z,  -0.30,  -5.40,  -5.21,  99.90,   0.49,
01/17 12Z,  -0.30,  -4.80,  -4.61,  99.90,   0.49,
01/17 13Z,  -0.20,  -4.14,  -3.87,  99.90,   0.47,
01/17 14Z,  -0.20,  -3.48,  -3.26,  99.90,   0.42,
01/17 15Z,  -0.20,  -2.89,  -2.67,  99.90,   0.42,
01/17 16Z,  -0.20,  -2.39,  -2.19,  99.90,   0.40,
01/17 17Z,  -0.20,  -1.97,  -1.73,  99.90,   0.44,
01/17 18Z,  -0.20,  -1.63,  -1.29,  99.90,   0.54,
01/17 19Z,  -0.20,  -1.35,  -1.06,  99.90,   0.49,
01/17 20Z,  -0.10,  -1.12,  -0.89,  99.90,   0.33,  (max)
01/17 21Z,  -0.10,  -0.94,  -0.92,  99.90,   0.12,  (min)
01/17 22Z,  -0.10,  -0.85,  -0.79,  99.90,   0.16,  (max)
01/17 23Z,  -0.20,  -0.86,  -0.86,  99.90,   0.20,
01/18 00Z,  -0.20,  -1.02,  -1.02,  99.90,   0.20,
01/18 01Z,  -0.20,  -1.36,  -1.42,  99.90,   0.14,
01/18 02Z,  -0.20,  -1.88,  -1.89,  99.90,   0.19,
01/18 03Z,  -0.10,  -2.55,  -2.55,  99.90,   0.10,
01/18 04Z,  -0.10,  -3.33,  -3.41,  99.90,   0.02,
01/18 05Z,  -0.10,  -4.14,  -4.21,  99.90,   0.03,
01/18 06Z,  -0.10,  -4.91,  -4.92,  99.90,   0.09,
01/18 07Z,  -0.20,  -5.53,  -5.54,  99.90,   0.19,
01/18 08Z,  -0.20,  -5.96,  -5.87,  99.90,   0.29,
01/18 09Z,  -0.20,  -6.13,  -5.94,  99.90,   0.39,  (min)
01/18 10Z,  -0.20,  -6.04,  -5.86,  99.90,   0.38,
01/18 11Z,  -0.10,  -5.71,  -5.45,  99.90,   0.36,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/18 12Z,   0.00,  -5.19,  99.90,  -4.85,   0.34,
01/18 13Z,   0.00,  -4.55,  99.90,  -4.24,   0.31,
01/18 14Z,   0.00,  -3.88,  99.90,  -3.59,   0.29,
01/18 15Z,   0.20,  -3.23,  99.90,  -2.76,   0.27,
01/18 16Z,   0.30,  -2.66,  99.90,  -2.11,   0.24,
01/18 17Z,   0.30,  -2.18,  99.90,  -1.66,   0.22,
01/18 18Z,   0.30,  -1.80,  99.90,  -1.30,   0.20,
01/18 19Z,   0.30,  -1.50,  99.90,  -1.02,   0.17,
01/18 20Z,   0.20,  -1.26,  99.90,  -0.91,   0.15,
01/18 21Z,   0.20,  -1.08,  99.90,  -0.75,   0.13,
01/18 22Z,   0.20,  -0.95,  99.90,  -0.65,   0.10,  (max)
01/18 23Z,   0.10,  -0.91,  99.90,  -0.73,   0.08,
01/19 00Z,   0.10,  -0.99,  99.90,  -0.81,   0.08,
01/19 01Z,   0.10,  -1.22,  99.90,  -1.04,   0.08,
01/19 02Z,   0.10,  -1.62,  99.90,  -1.44,   0.08,
01/19 03Z,   0.10,  -2.18,  99.90,  -2.00,   0.08,
01/19 04Z,   0.20,  -2.87,  99.90,  -2.59,   0.08,
01/19 05Z,   0.30,  -3.65,  99.90,  -3.27,   0.08,
01/19 06Z,   0.20,  -4.42,  99.90,  -4.14,   0.08,
01/19 07Z,   0.20,  -5.12,  99.90,  -4.84,   0.08,
01/19 08Z,   0.20,  -5.67,  99.90,  -5.38,   0.08,
01/19 09Z,   0.20,  -5.99,  99.90,  -5.71,   0.08,
01/19 10Z,   0.20,  -6.06,  99.90,  -5.78,   0.08,  (min)
01/19 11Z,   0.20,  -5.87,  99.90,  -5.59,   0.08,
01/19 12Z,   0.10,  -5.46,  99.90,  -5.28,   0.08,
01/19 13Z,   0.10,  -4.88,  99.90,  -4.70,   0.08,
01/19 14Z,   0.10,  -4.22,  99.90,  -4.04,   0.08,
01/19 15Z,   0.10,  -3.55,  99.90,  -3.37,   0.08,
01/19 16Z,   0.10,  -2.93,  99.90,  -2.75,   0.08,
01/19 17Z,   0.00,  -2.41,  99.90,  -2.33,   0.08,
01/19 18Z,   0.10,  -1.99,  99.90,  -1.81,   0.08,
01/19 19Z,   0.10,  -1.68,  99.90,  -1.50,   0.08,
01/19 20Z,   0.10,  -1.45,  99.90,  -1.27,   0.08,
01/19 21Z,   0.20,  -1.28,  99.90,  -1.00,   0.08,
01/19 22Z,   0.20,  -1.17,  99.90,  -0.88,   0.08,
01/19 23Z,   0.30,  -1.10,  99.90,  -0.72,   0.08,  (max)
01/20 00Z,   0.30,  -1.12,  99.90,  -0.74,   0.08,  (min)
01/20 01Z,   0.50,  -1.25,  99.90,  -0.67,   0.08,  (max)
01/20 02Z,   0.60,  -1.52,  99.90,  -0.84,   0.08,
01/20 03Z,   0.70,  -1.94,  99.90,  -1.16,   0.08,
01/20 04Z,   0.80,  -2.51,  99.90,  -1.63,   0.08,
01/20 05Z,   0.80,  -3.19,  99.90,  -2.31,   0.08,
01/20 06Z,   0.90,  -3.92,  99.90,  -2.94,   0.08,
01/20 07Z,   0.90,  -4.63,  99.90,  -3.65,   0.08,
01/20 08Z,   0.90,  -5.24,  99.90,  -4.26,   0.08,
01/20 09Z,   0.90,  -5.68,  99.90,  -4.70,   0.08,
01/20 10Z,   0.90,  -5.89,  99.90,  -4.91,   0.08,
01/20 11Z,   0.80,  -5.85,  99.90,  -4.97,   0.08,  (min)
01/20 12Z,   0.80,  -5.56,  99.90,  -4.68,   0.08,
01/20 13Z,   0.70,  -5.08,  99.90,  -4.30,   0.08,
01/20 14Z,   0.60,  -4.46,  99.90,  -3.78,   0.08,
01/20 15Z,   0.50,  -3.80,  99.90,  -3.22,   0.08,
01/20 16Z,   0.40,  -3.16,  99.90,  -2.68,   0.08,
01/20 17Z,   0.30,  -2.61,  99.90,  -2.23,   0.08,
01/20 18Z,   0.20,  -2.18,  99.90,  -1.90,   0.08,
01/20 19Z,   0.20,  -1.87,  99.90,  -1.59,   0.08,
01/20 20Z,   0.10,  -1.67,  99.90,  -1.49,   0.08,
01/20 21Z,   0.10,  -1.55,  99.90,  -1.37,   0.08,
01/20 22Z,   0.10,  -1.47,  99.90,  -1.29,   0.08,
01/20 23Z,   0.10,  -1.43,  99.90,  -1.25,   0.08,
01/21 00Z,   0.10,  -1.42,  99.90,  -1.24,   0.08,  (max)
01/21 01Z,   0.10,  -1.48,  99.90,  -1.30,   0.08,
01/21 02Z,   0.00,  -1.63,  99.90,  -1.55,   0.08,
01/21 03Z,   0.00,  -1.90,  99.90,  -1.82,   0.08,
01/21 04Z,   0.00,  -2.31,  99.90,  -2.23,   0.08,
01/21 05Z,   0.00,  -2.84,  99.90,  -2.76,   0.08,
01/21 06Z,   0.00,  -3.46,  99.90,  -3.38,   0.08,
01/21 07Z,   0.00,  -4.12,  99.90,  -4.04,   0.08,
01/21 08Z,   0.00,  -4.73,  99.90,  -4.65,   0.08,
01/21 09Z,   0.00,  -5.23,  99.90,  -5.15,   0.08,
01/21 10Z,   0.00,  -5.54,  99.90,  -5.46,   0.08,
01/21 11Z,   0.00,  -5.63,  99.90,  -5.55,   0.08,  (min)
01/21 12Z,   0.00,  -5.48,  99.90,  -5.40,   0.08,
01/21 13Z,   0.00,  -5.10,  99.90,  -5.02,   0.08,
01/21 14Z,   0.00,  -4.57,  99.90,  -4.49,   0.08,
01/21 15Z,   0.00,  -3.94,  99.90,  -3.86,   0.08,
01/21 16Z,   0.00,  -3.31,  99.90,  -3.23,   0.08,
01/21 17Z,   0.10,  -2.76,  99.90,  -2.57,   0.08,
01/21 18Z,   0.10,  -2.32,  99.90,  -2.14,   0.08,
01/21 19Z,   0.10,  -2.03,  99.90,  -1.85,   0.08,
01/21 20Z,   0.10,  -1.88,  99.90,  -1.70,   0.08,
01/21 21Z,   0.10,  -1.82,  99.90,  -1.64,   0.08,  (max)
01/21 22Z,   0.10,  -1.83,  99.90,  -1.64,   0.08,
01/21 23Z,   0.10,  -1.85,  99.90,  -1.67,   0.08,
01/22 00Z,   0.10,  -1.88,  99.90,  -1.70,   0.08,