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
#Seldovia, AK : 07/17/2025 08:22:28 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/15 12Z,  -0.90,  -4.17,  -4.78,  99.90,   0.29,
07/15 13Z,  -0.90,  -1.45,  -1.97,  99.90,   0.38,
07/15 14Z,  -1.00,  -0.47,  -1.10,  99.90,   0.37,  (max)
07/15 15Z,  -1.00,  -1.61,  -2.47,  99.90,   0.14,
07/15 16Z,  -1.00,  -4.71,  -5.55,  99.90,   0.16,
07/15 17Z,  -1.00,  -9.06,  -9.63,  99.90,   0.43,
07/15 18Z,  -1.10, -13.64, -14.07,  99.90,   0.67,
07/15 19Z,  -1.00, -17.33, -17.86,  99.90,   0.47,
07/15 20Z,  -1.00, -19.19, -19.73,  99.90,   0.46,  (min)
07/15 21Z,  -0.90, -18.62, -19.09,  99.90,   0.43,
07/15 22Z,  -0.80, -15.83, -16.35,  99.90,   0.28,
07/15 23Z,  -0.80, -11.72, -12.49,  99.90,   0.03,
07/16 00Z,  -0.90,  -7.29,  -8.07,  99.90,   0.12,
07/16 01Z,  -0.90,  -3.38,  -3.97,  99.90,   0.31,
07/16 02Z,  -0.90,  -0.81,  -1.42,  99.90,   0.29,
07/16 03Z,  -0.90,  -0.20,  -0.82,  99.90,   0.28,  (max)
07/16 04Z,  -0.90,  -1.69,  -2.28,  99.90,   0.31,
07/16 05Z,  -0.90,  -4.85,  -5.42,  99.90,   0.33,
07/16 06Z,  -1.00,  -8.85,  -9.35,  99.90,   0.50,
07/16 07Z,  -0.90, -12.64, -13.33,  99.90,   0.21,
07/16 08Z,  -0.90, -15.25, -16.11,  99.90,   0.04,
07/16 09Z,  -0.80, -15.91, -16.61,  99.90,   0.10,  (min)
07/16 10Z,  -0.80, -14.41, -14.94,  99.90,   0.27,
07/16 11Z,  -0.80, -11.39, -11.87,  99.90,   0.32,
07/16 12Z,  -0.80,  -7.83,  -8.33,  99.90,   0.30,
07/16 13Z,  -0.80,  -4.55,  -4.85,  99.90,   0.50,
07/16 14Z,  -0.70,  -2.31,  -2.37,  99.90,   0.64,
07/16 15Z,  -0.70,  -1.75,  -1.86,  99.90,   0.59,  (max)
07/16 16Z,  -0.60,  -3.12,  -3.41,  99.90,   0.31,
07/16 17Z,  -0.40,  -6.14,  -6.29,  99.90,   0.25,
07/16 18Z,  -0.60, -10.06, -10.09,  99.90,   0.57,
07/16 19Z,  -0.60, -13.90, -13.94,  99.90,   0.56,
07/16 20Z,  -0.50, -16.72, -16.96,  99.90,   0.26,
07/16 21Z,  -0.40, -17.74, -18.01,  99.90,   0.13,  (min)
07/16 22Z,  -0.40, -16.56, -16.73,  99.90,   0.23,
07/16 23Z,  -0.40, -13.52, -13.85,  99.90,   0.07,
07/17 00Z,  -0.40,  -9.56, -10.08,  99.90,  -0.12,
07/17 01Z,  -0.50,  -5.59,  -6.07,  99.90,   0.02,
07/17 02Z,  -0.50,  -2.34,  -2.60,  99.90,   0.24,
07/17 03Z,  -0.40,  -0.53,  -0.82,  99.90,   0.11,  (max)
07/17 04Z,  -0.40,  -0.63,  -1.03,  99.90,  -0.00,
07/17 05Z,  -0.30,  -2.59,  -3.01,  99.90,  -0.12,
07/17 06Z,  -0.30,  -5.92,  -6.25,  99.90,  -0.03,
07/17 07Z,  -0.40,  -9.78, -10.17,  99.90,   0.01,
07/17 08Z,  -0.40, -13.23, -13.90,  99.90,  -0.27,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/17 09Z,  -0.40, -15.46,  99.90, -16.09,  -0.23,
07/17 10Z,  -0.40, -15.85,  99.90, -16.44,  -0.19,  (min)
07/17 11Z,  -0.40, -14.33,  99.90, -14.88,  -0.15,
07/17 12Z,  -0.50, -11.56,  99.90, -12.17,  -0.11,
07/17 13Z,  -0.50,  -8.39,  99.90,  -8.96,  -0.07,
07/17 14Z,  -0.50,  -5.52,  99.90,  -6.05,  -0.03,
07/17 15Z,  -0.40,  -3.59,  99.90,  -3.98,   0.01,
07/17 16Z,  -0.40,  -3.17,  99.90,  -3.52,   0.05,  (max)
07/17 17Z,  -0.30,  -4.42,  99.90,  -4.63,   0.09,
07/17 18Z,  -0.30,  -7.01,  99.90,  -7.18,   0.13,
07/17 19Z,  -0.30, -10.26,  99.90, -10.39,   0.17,
07/17 20Z,  -0.30, -13.31,  99.90, -13.40,   0.21,
07/17 21Z,  -0.30, -15.40,  99.90, -15.49,   0.21,
07/17 22Z,  -0.30, -15.87,  99.90, -15.96,   0.21,  (min)
07/17 23Z,  -0.20, -14.43,  99.90, -14.42,   0.21,
07/18 00Z,  -0.20, -11.49,  99.90, -11.49,   0.21,
07/18 01Z,  -0.20,  -7.94,  99.90,  -7.93,   0.21,
07/18 02Z,  -0.20,  -4.51,  99.90,  -4.50,   0.21,
07/18 03Z,  -0.20,  -1.87,  99.90,  -1.86,   0.21,
07/18 04Z,  -0.20,  -0.63,  99.90,  -0.62,   0.21,  (max)
07/18 05Z,  -0.20,  -1.15,  99.90,  -1.14,   0.21,
07/18 06Z,  -0.20,  -3.30,  99.90,  -3.29,   0.21,
07/18 07Z,  -0.30,  -6.57,  99.90,  -6.67,   0.21,
07/18 08Z,  -0.20, -10.20,  99.90, -10.19,   0.21,
07/18 09Z,  -0.10, -13.41,  99.90, -13.30,   0.21,
07/18 10Z,  -0.10, -15.50,  99.90, -15.39,   0.21,
07/18 11Z,   0.00, -15.92,  99.90, -15.71,   0.21,  (min)
07/18 12Z,   0.00, -14.64,  99.90, -14.43,   0.21,
07/18 13Z,  -0.10, -12.27,  99.90, -12.16,   0.21,
07/18 14Z,  -0.20,  -9.49,  99.90,  -9.48,   0.21,
07/18 15Z,  -0.30,  -6.85,  99.90,  -6.94,   0.21,
07/18 16Z,  -0.30,  -4.98,  99.90,  -5.07,   0.21,
07/18 17Z,  -0.30,  -4.37,  99.90,  -4.46,   0.21,  (max)
07/18 18Z,  -0.30,  -5.19,  99.90,  -5.28,   0.21,
07/18 19Z,  -0.20,  -7.14,  99.90,  -7.13,   0.21,
07/18 20Z,  -0.10,  -9.68,  99.90,  -9.57,   0.21,
07/18 21Z,   0.00, -12.09,  99.90, -11.88,   0.21,
07/18 22Z,   0.00, -13.73,  99.90, -13.52,   0.21,
07/18 23Z,   0.00, -14.02,  99.90, -13.81,   0.21,  (min)
07/19 00Z,   0.00, -12.67,  99.90, -12.46,   0.21,
07/19 01Z,  -0.10, -10.09,  99.90,  -9.98,   0.21,
07/19 02Z,  -0.10,  -7.02,  99.90,  -6.91,   0.21,
07/19 03Z,  -0.20,  -4.07,  99.90,  -4.06,   0.21,
07/19 04Z,  -0.20,  -1.82,  99.90,  -1.81,   0.21,
07/19 05Z,  -0.20,  -0.88,  99.90,  -0.87,   0.21,  (max)
07/19 06Z,  -0.10,  -1.52,  99.90,  -1.41,   0.21,
07/19 07Z,   0.00,  -3.61,  99.90,  -3.41,   0.21,
07/19 08Z,   0.00,  -6.72,  99.90,  -6.51,   0.21,
07/19 09Z,   0.10, -10.18,  99.90,  -9.87,   0.21,
07/19 10Z,   0.10, -13.34,  99.90, -13.03,   0.21,
07/19 11Z,   0.10, -15.56,  99.90, -15.25,   0.21,
07/19 12Z,   0.10, -16.26,  99.90, -15.95,   0.21,  (min)
07/19 13Z,   0.00, -15.40,  99.90, -15.19,   0.21,
07/19 14Z,  -0.10, -13.43,  99.90, -13.32,   0.21,
07/19 15Z,  -0.20, -10.88,  99.90, -10.87,   0.21,
07/19 16Z,  -0.30,  -8.24,  99.90,  -8.33,   0.21,
07/19 17Z,  -0.20,  -6.12,  99.90,  -6.11,   0.21,
07/19 18Z,  -0.20,  -5.06,  99.90,  -5.06,   0.21,  (max)
07/19 19Z,  -0.10,  -5.27,  99.90,  -5.16,   0.21,
07/19 20Z,   0.00,  -6.57,  99.90,  -6.36,   0.21,
07/19 21Z,   0.00,  -8.53,  99.90,  -8.32,   0.21,
07/19 22Z,   0.00, -10.59,  99.90, -10.38,   0.21,
07/19 23Z,   0.00, -12.15,  99.90, -11.95,   0.21,
07/20 00Z,   0.00, -12.60,  99.90, -12.39,   0.21,  (min)
07/20 01Z,   0.00, -11.61,  99.90, -11.40,   0.21,
07/20 02Z,  -0.10,  -9.48,  99.90,  -9.37,   0.21,
07/20 03Z,  -0.10,  -6.80,  99.90,  -6.69,   0.21,
07/20 04Z,  -0.10,  -4.10,  99.90,  -3.99,   0.21,
07/20 05Z,  -0.10,  -1.97,  99.90,  -1.86,   0.21,
07/20 06Z,  -0.10,  -1.01,  99.90,  -0.90,   0.21,  (max)
07/20 07Z,  -0.10,  -1.53,  99.90,  -1.42,   0.21,
07/20 08Z,   0.00,  -3.45,  99.90,  -3.24,   0.21,
07/20 09Z,   0.00,  -6.41,  99.90,  -6.20,   0.21,
07/20 10Z,   0.00,  -9.86,  99.90,  -9.65,   0.21,
07/20 11Z,   0.00, -13.23,  99.90, -13.02,   0.21,
07/20 12Z,  -0.10, -15.82,  99.90, -15.71,   0.21,
07/20 13Z,  -0.20, -16.98,  99.90, -16.97,   0.21,  (min)
07/20 14Z,  -0.30, -16.54,  99.90, -16.63,   0.21,
07/20 15Z,  -0.40, -14.84,  99.90, -15.03,   0.21,
07/20 16Z,  -0.40, -12.28,  99.90, -12.47,   0.21,
07/20 17Z,  -0.40,  -9.35,  99.90,  -9.54,   0.21,
07/20 18Z,  -0.30,  -6.74,  99.90,  -6.83,   0.21,
07/20 19Z,  -0.20,  -5.09,  99.90,  -5.08,   0.21,
07/20 20Z,  -0.10,  -4.68,  99.90,  -4.57,   0.21,  (max)
07/20 21Z,   0.00,  -5.47,  99.90,  -5.26,   0.21,
07/20 22Z,   0.00,  -7.14,  99.90,  -6.93,   0.21,
07/20 23Z,  -0.10,  -9.21,  99.90,  -9.10,   0.21,
07/21 00Z,  -0.20, -11.05,  99.90, -11.05,   0.21,