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

  • This website is considered EXPERIMENTAL, is supported on an 8x5 basis, and has no guarantee of availability.
  • The data located HERE are considered OPERATIONAL and are supported on a 24x7 basis.
About
Manual
Disclaimer
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
#Seattle, WA : 12/16/2025 12:22:02 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
12/14 12Z,   0.50,  -6.27,  -5.08,  99.90,   0.69,
12/14 13Z,   0.50,  -6.97,  -5.62,  99.90,   0.85,
12/14 14Z,   0.50,  -7.33,  -6.17,  99.90,   0.66,
12/14 15Z,   0.50,  -7.18,  -6.20,  99.90,   0.48,  (min)
12/14 16Z,   0.50,  -6.49,  -5.70,  99.90,   0.29,
12/14 17Z,   0.40,  -5.37,  -4.76,  99.90,   0.21,
12/14 18Z,   0.60,  -4.02,  -3.71,  99.90,  -0.29,
12/14 19Z,   0.60,  -2.81,  -2.81,  99.90,  -0.60,
12/14 20Z,   0.60,  -2.16,  -2.29,  99.90,  -0.73,  (max)
12/14 21Z,   0.60,  -2.25,  -2.38,  99.90,  -0.73,
12/14 22Z,   0.60,  -3.10,  -3.22,  99.90,  -0.72,
12/14 23Z,   0.60,  -4.64,  -4.65,  99.90,  -0.61,
12/15 00Z,   0.70,  -6.71,  -6.68,  99.90,  -0.67,
12/15 01Z,   0.70,  -8.94,  -8.82,  99.90,  -0.58,
12/15 02Z,   0.70, -10.83, -10.65,  99.90,  -0.52,
12/15 03Z,   0.70, -11.98, -11.75,  99.90,  -0.47,
12/15 04Z,   0.80, -12.23, -11.77,  99.90,  -0.34,  (min)
12/15 05Z,   0.80, -11.58, -11.00,  99.90,  -0.22,
12/15 06Z,   0.60, -10.18,  -9.60,  99.90,  -0.02,
12/15 07Z,   0.60,  -8.38,  -7.77,  99.90,   0.01,
12/15 08Z,   0.70,  -6.65,  -5.88,  99.90,   0.07,
12/15 09Z,   0.70,  -5.29,  -4.44,  99.90,   0.15,
12/15 10Z,   0.70,  -4.45,  -3.56,  99.90,   0.19,
12/15 11Z,   0.70,  -4.13,  -3.22,  99.90,   0.21,  (max)
12/15 12Z,   0.70,  -4.34,  -3.33,  99.90,   0.31,
12/15 13Z,   0.70,  -4.97,  -3.59,  99.90,   0.68,
12/15 14Z,   0.70,  -5.69,  -4.16,  99.90,   0.83,
12/15 15Z,   0.70,  -6.15,  -4.65,  99.90,   0.80,
12/15 16Z,   0.80,  -6.15,  -4.74,  99.90,   0.61,  (min)
12/15 17Z,   0.80,  -5.66,  -4.36,  99.90,   0.50,
12/15 18Z,   1.00,  -4.74,  -3.60,  99.90,   0.14,
12/15 19Z,   1.10,  -3.62,  -2.89,  99.90,  -0.37,
12/15 20Z,   1.10,  -2.71,  -2.24,  99.90,  -0.63,
12/15 21Z,   1.10,  -2.40,  -1.99,  99.90,  -0.69,  (max)
12/15 22Z,   1.10,  -2.85,  -2.25,  99.90,  -0.50,
12/15 23Z,   1.20,  -4.05,  -3.27,  99.90,  -0.42,
12/16 00Z,   1.30,  -5.90,  -4.90,  99.90,  -0.30,
12/16 01Z,   1.30,  -8.19,  -7.00,  99.90,  -0.11,
12/16 02Z,   1.40, -10.49,  -9.27,  99.90,  -0.18,
12/16 03Z,   1.40, -12.25, -11.00,  99.90,  -0.15,
12/16 04Z,   1.40, -13.11, -11.99,  99.90,  -0.28,  (min)
12/16 05Z,   1.40, -12.93, -11.83,  99.90,  -0.30,
12/16 06Z,   1.30, -11.81, -10.92,  99.90,  -0.41,
12/16 07Z,   1.30,  -9.96,  -9.28,  99.90,  -0.62,
12/16 08Z,   1.20,  -7.82,  -7.33,  99.90,  -0.71,
12/16 09Z,   1.20,  -5.86,  -5.40,  99.90,  -0.74,
12/16 10Z,   1.10,  -4.36,  -3.84,  99.90,  -0.58,
12/16 11Z,   1.00,  -3.42,  -2.94,  99.90,  -0.52,
12/16 12Z,   1.00,  -3.07,  -2.68,  99.90,  -0.61,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
12/16 13Z,   0.90,  -3.31,  99.90,  -2.98,  -0.57,
12/16 14Z,   0.90,  -4.01,  99.90,  -3.64,  -0.53,
12/16 15Z,   0.90,  -4.82,  99.90,  -4.40,  -0.48,
12/16 16Z,   0.90,  -5.37,  99.90,  -4.91,  -0.44,
12/16 17Z,   0.90,  -5.47,  99.90,  -4.97,  -0.40,  (min)
12/16 18Z,   0.90,  -5.09,  99.90,  -4.54,  -0.35,
12/16 19Z,   0.90,  -4.30,  99.90,  -3.71,  -0.31,
12/16 20Z,   0.90,  -3.38,  99.90,  -2.74,  -0.26,
12/16 21Z,   0.90,  -2.76,  99.90,  -2.08,  -0.22,
12/16 22Z,   0.90,  -2.80,  99.90,  -2.07,  -0.18,  (max)
12/16 23Z,   0.90,  -3.62,  99.90,  -2.85,  -0.13,
12/17 00Z,   0.90,  -5.17,  99.90,  -4.36,  -0.09,
12/17 01Z,   0.90,  -7.31,  99.90,  -6.50,  -0.09,
12/17 02Z,   0.90,  -9.75,  99.90,  -8.94,  -0.09,
12/17 03Z,   0.90, -11.99,  99.90, -11.18,  -0.09,
12/17 04Z,   1.00, -13.46,  99.90, -12.55,  -0.09,
12/17 05Z,   1.00, -13.85,  99.90, -12.94,  -0.09,  (min)
12/17 06Z,   1.10, -13.13,  99.90, -12.12,  -0.09,
12/17 07Z,   1.10, -11.48,  99.90, -10.47,  -0.09,
12/17 08Z,   1.10,  -9.23,  99.90,  -8.22,  -0.09,
12/17 09Z,   1.20,  -6.85,  99.90,  -5.74,  -0.09,
12/17 10Z,   1.30,  -4.80,  99.90,  -3.59,  -0.09,
12/17 11Z,   1.40,  -3.32,  99.90,  -2.01,  -0.09,
12/17 12Z,   1.50,  -2.47,  99.90,  -1.06,  -0.09,
12/17 13Z,   1.60,  -2.25,  99.90,  -0.74,  -0.09,  (max)
12/17 14Z,   1.70,  -2.66,  99.90,  -1.05,  -0.09,
12/17 15Z,   1.70,  -3.50,  99.90,  -1.89,  -0.09,
12/17 16Z,   1.80,  -4.38,  99.90,  -2.67,  -0.09,
12/17 17Z,   1.80,  -4.96,  99.90,  -3.25,  -0.09,
12/17 18Z,   1.80,  -5.08,  99.90,  -3.37,  -0.09,  (min)
12/17 19Z,   1.80,  -4.71,  99.90,  -3.00,  -0.09,
12/17 20Z,   1.70,  -4.00,  99.90,  -2.39,  -0.09,
12/17 21Z,   1.60,  -3.27,  99.90,  -1.76,  -0.09,
12/17 22Z,   1.50,  -2.93,  99.90,  -1.52,  -0.09,  (max)
12/17 23Z,   1.40,  -3.33,  99.90,  -2.02,  -0.09,
12/18 00Z,   1.40,  -4.51,  99.90,  -3.20,  -0.09,
12/18 01Z,   1.30,  -6.39,  99.90,  -5.18,  -0.09,
12/18 02Z,   1.20,  -8.76,  99.90,  -7.65,  -0.09,
12/18 03Z,   1.20, -11.24,  99.90, -10.13,  -0.09,
12/18 04Z,   1.10, -13.27,  99.90, -12.26,  -0.09,
12/18 05Z,   1.00, -14.31,  99.90, -13.40,  -0.09,  (min)
12/18 06Z,   1.00, -14.13,  99.90, -13.22,  -0.09,
12/18 07Z,   0.90, -12.83,  99.90, -12.02,  -0.09,
12/18 08Z,   0.90, -10.69,  99.90,  -9.88,  -0.09,
12/18 09Z,   0.80,  -8.14,  99.90,  -7.43,  -0.09,
12/18 10Z,   0.80,  -5.67,  99.90,  -4.96,  -0.09,
12/18 11Z,   0.70,  -3.70,  99.90,  -3.09,  -0.09,
12/18 12Z,   0.70,  -2.40,  99.90,  -1.79,  -0.09,
12/18 13Z,   0.70,  -1.77,  99.90,  -1.16,  -0.09,  (max)
12/18 14Z,   0.70,  -1.80,  99.90,  -1.19,  -0.09,
12/18 15Z,   0.70,  -2.43,  99.90,  -1.82,  -0.09,
12/18 16Z,   0.70,  -3.41,  99.90,  -2.80,  -0.09,
12/18 17Z,   0.70,  -4.31,  99.90,  -3.70,  -0.09,
12/18 18Z,   0.70,  -4.83,  99.90,  -4.22,  -0.09,  (min)
12/18 19Z,   0.80,  -4.86,  99.90,  -4.15,  -0.09,
12/18 20Z,   0.80,  -4.46,  99.90,  -3.75,  -0.09,
12/18 21Z,   0.80,  -3.80,  99.90,  -3.09,  -0.09,
12/18 22Z,   0.80,  -3.25,  99.90,  -2.54,  -0.09,
12/18 23Z,   0.90,  -3.22,  99.90,  -2.41,  -0.09,  (max)
12/19 00Z,   1.10,  -3.96,  99.90,  -2.95,  -0.09,
12/19 01Z,   1.30,  -5.48,  99.90,  -4.27,  -0.09,
12/19 02Z,   1.40,  -7.63,  99.90,  -6.32,  -0.09,
12/19 03Z,   1.50, -10.14,  99.90,  -8.73,  -0.09,
12/19 04Z,   1.60, -12.55,  99.90, -11.04,  -0.09,
12/19 05Z,   1.60, -14.24,  99.90, -12.73,  -0.09,
12/19 06Z,   1.60, -14.75,  99.90, -13.24,  -0.09,  (min)
12/19 07Z,   1.70, -13.96,  99.90, -12.35,  -0.09,
12/19 08Z,   1.70, -12.11,  99.90, -10.50,  -0.09,
12/19 09Z,   1.70,  -9.60,  99.90,  -7.99,  -0.09,
12/19 10Z,   1.70,  -6.89,  99.90,  -5.28,  -0.09,
12/19 11Z,   1.60,  -4.49,  99.90,  -2.98,  -0.09,
12/19 12Z,   1.60,  -2.74,  99.90,  -1.23,  -0.09,
12/19 13Z,   1.50,  -1.72,  99.90,  -0.31,  -0.09,
12/19 14Z,   1.50,  -1.41,  99.90,   0.00,  -0.09,  (max)
12/19 15Z,   1.40,  -1.74,  99.90,  -0.43,  -0.09,
12/19 16Z,   1.40,  -2.59,  99.90,  -1.28,  -0.09,
12/19 17Z,   1.40,  -3.64,  99.90,  -2.33,  -0.09,
12/19 18Z,   1.30,  -4.47,  99.90,  -3.26,  -0.09,
12/19 19Z,   1.30,  -4.84,  99.90,  -3.63,  -0.09,  (min)
12/19 20Z,   1.30,  -4.73,  99.90,  -3.52,  -0.09,
12/19 21Z,   1.20,  -4.26,  99.90,  -3.15,  -0.09,
12/19 22Z,   1.20,  -3.66,  99.90,  -2.55,  -0.09,
12/19 23Z,   1.20,  -3.31,  99.90,  -2.20,  -0.09,  (max)
12/20 00Z,   1.10,  -3.58,  99.90,  -2.57,  -0.09,