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 : 07/14/2025 13:21:36 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/12 18Z,  -0.40, -25.91, -25.48,  99.90,   0.83,
07/12 19Z,  -0.40, -25.72, -25.26,  99.90,   0.86,  (min)
07/12 20Z,  -0.40, -23.16, -22.93,  99.90,   0.63,
07/12 21Z,  -0.40, -19.06, -19.07,  99.90,   0.39,
07/12 22Z,  -0.40, -14.33, -14.36,  99.90,   0.37,
07/12 23Z,  -0.50,  -9.90,  -9.90,  99.90,   0.50,
07/13 00Z,  -0.30,  -6.77,  -7.00,  99.90,   0.07,
07/13 01Z,  -0.40,  -5.63,  -6.00,  99.90,   0.03,  (max)
07/13 02Z,  -0.40,  -6.69,  -7.05,  99.90,   0.04,
07/13 03Z,  -0.40,  -9.62,  -9.94,  99.90,   0.08,
07/13 04Z,  -0.40, -13.58, -13.87,  99.90,   0.11,
07/13 05Z,  -0.40, -17.43, -17.68,  99.90,   0.15,
07/13 06Z,  -0.30, -19.93, -20.19,  99.90,   0.04,
07/13 07Z,  -0.30, -20.15, -20.27,  99.90,   0.18,  (min)
07/13 08Z,  -0.30, -18.05, -17.97,  99.90,   0.38,
07/13 09Z,  -0.30, -14.46, -14.36,  99.90,   0.40,
07/13 10Z,  -0.20, -10.39, -10.56,  99.90,   0.03,
07/13 11Z,  -0.30,  -6.80,  -7.10,  99.90,   0.00,
07/13 12Z,  -0.20,  -4.63,  -4.89,  99.90,  -0.06,  (max)
07/13 13Z,  -0.30,  -4.55,  -4.97,  99.90,  -0.12,
07/13 14Z,  -0.30,  -6.73,  -7.37,  99.90,  -0.34,
07/13 15Z,  -0.40, -10.80, -11.26,  99.90,  -0.06,
07/13 16Z,  -0.50, -15.92, -15.91,  99.90,   0.51,
07/13 17Z,  -0.50, -20.94, -20.82,  99.90,   0.62,
07/13 18Z,  -0.50, -24.68, -24.60,  99.90,   0.58,
07/13 19Z,  -0.50, -26.11, -25.97,  99.90,   0.64,  (min)
07/13 20Z,  -0.40, -24.84, -24.69,  99.90,   0.55,
07/13 21Z,  -0.40, -21.44, -21.66,  99.90,   0.18,
07/13 22Z,  -0.40, -16.90, -17.36,  99.90,  -0.06,
07/13 23Z,  -0.40, -12.14, -12.51,  99.90,   0.03,
07/14 00Z,  -0.40,  -8.12,  -8.45,  99.90,   0.07,
07/14 01Z,  -0.40,  -5.74,  -6.27,  99.90,  -0.13,
07/14 02Z,  -0.40,  -5.54,  -6.12,  99.90,  -0.18,  (max)
07/14 03Z,  -0.50,  -7.52,  -8.06,  99.90,  -0.04,
07/14 04Z,  -0.50, -11.10, -11.69,  99.90,  -0.09,
07/14 05Z,  -0.50, -15.26, -15.83,  99.90,  -0.07,
07/14 06Z,  -0.40, -18.84, -19.42,  99.90,  -0.18,
07/14 07Z,  -0.40, -20.68, -21.31,  99.90,  -0.23,  (min)
07/14 08Z,  -0.40, -20.12, -20.55,  99.90,  -0.03,
07/14 09Z,  -0.40, -17.42, -17.66,  99.90,   0.16,
07/14 10Z,  -0.40, -13.57, -13.86,  99.90,   0.11,
07/14 11Z,  -0.50,  -9.58, -10.08,  99.90,  -0.00,
07/14 12Z,  -0.60,  -6.36,  -6.85,  99.90,   0.11,
07/14 13Z,  -0.60,  -4.79,  -5.27,  99.90,   0.12,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/14 14Z,  -0.70,  -5.41,  99.90,  -5.98,   0.13,
07/14 15Z,  -0.70,  -8.20,  99.90,  -8.77,   0.13,
07/14 16Z,  -0.80, -12.62,  99.90, -13.28,   0.14,
07/14 17Z,  -0.70, -17.66,  99.90, -18.21,   0.14,
07/14 18Z,  -0.70, -22.15,  99.90, -22.70,   0.15,
07/14 19Z,  -0.70, -24.98,  99.90, -25.53,   0.16,
07/14 20Z,  -0.60, -25.34,  99.90, -25.78,   0.16,  (min)
07/14 21Z,  -0.70, -23.16,  99.90, -23.69,   0.17,
07/14 22Z,  -0.80, -19.23,  99.90, -19.86,   0.17,
07/14 23Z,  -0.80, -14.58,  99.90, -15.20,   0.18,
07/15 00Z,  -0.80, -10.13,  99.90, -10.74,   0.18,
07/15 01Z,  -0.80,  -6.76,  99.90,  -7.37,   0.19,
07/15 02Z,  -0.80,  -5.28,  99.90,  -5.89,   0.19,  (max)
07/15 03Z,  -0.90,  -6.00,  99.90,  -6.71,   0.19,
07/15 04Z,  -0.90,  -8.71,  99.90,  -9.42,   0.19,
07/15 05Z,  -0.90, -12.65,  99.90, -13.36,   0.19,
07/15 06Z,  -1.00, -16.73,  99.90, -17.54,   0.19,
07/15 07Z,  -1.00, -19.84,  99.90, -20.65,   0.19,
07/15 08Z,  -0.90, -21.01,  99.90, -21.72,   0.19,  (min)
07/15 09Z,  -0.80, -19.84,  99.90, -20.45,   0.19,
07/15 10Z,  -0.80, -16.83,  99.90, -17.44,   0.19,
07/15 11Z,  -0.80, -13.00,  99.90, -13.61,   0.19,
07/15 12Z,  -0.90,  -9.31,  99.90, -10.02,   0.19,
07/15 13Z,  -1.00,  -6.59,  99.90,  -7.40,   0.19,
07/15 14Z,  -1.10,  -5.61,  99.90,  -6.52,   0.19,  (max)
07/15 15Z,  -1.20,  -6.75,  99.90,  -7.76,   0.19,
07/15 16Z,  -1.20,  -9.85,  99.90, -10.86,   0.19,
07/15 17Z,  -1.10, -14.20,  99.90, -15.11,   0.19,
07/15 18Z,  -1.10, -18.78,  99.90, -19.69,   0.19,
07/15 19Z,  -1.00, -22.47,  99.90, -23.28,   0.19,
07/15 20Z,  -0.90, -24.33,  99.90, -25.04,   0.19,  (min)
07/15 21Z,  -0.90, -23.76,  99.90, -24.47,   0.19,
07/15 22Z,  -0.90, -20.97,  99.90, -21.68,   0.19,
07/15 23Z,  -0.90, -16.86,  99.90, -17.57,   0.19,
07/16 00Z,  -1.00, -12.43,  99.90, -13.24,   0.19,
07/16 01Z,  -1.00,  -8.52,  99.90,  -9.33,   0.19,
07/16 02Z,  -1.00,  -5.95,  99.90,  -6.76,   0.19,
07/16 03Z,  -1.00,  -5.34,  99.90,  -6.15,   0.19,  (max)
07/16 04Z,  -1.10,  -6.83,  99.90,  -7.74,   0.19,
07/16 05Z,  -1.10,  -9.99,  99.90, -10.90,   0.19,
07/16 06Z,  -1.00, -13.99,  99.90, -14.80,   0.19,
07/16 07Z,  -1.00, -17.78,  99.90, -18.59,   0.19,
07/16 08Z,  -1.00, -20.39,  99.90, -21.20,   0.19,
07/16 09Z,  -0.90, -21.05,  99.90, -21.76,   0.19,  (min)
07/16 10Z,  -0.90, -19.55,  99.90, -20.26,   0.19,
07/16 11Z,  -0.80, -16.53,  99.90, -17.14,   0.19,
07/16 12Z,  -0.90, -12.97,  99.90, -13.68,   0.19,
07/16 13Z,  -1.00,  -9.69,  99.90, -10.50,   0.19,
07/16 14Z,  -1.00,  -7.45,  99.90,  -8.26,   0.19,
07/16 15Z,  -1.00,  -6.89,  99.90,  -7.70,   0.19,  (max)
07/16 16Z,  -1.00,  -8.26,  99.90,  -9.07,   0.19,
07/16 17Z,  -0.90, -11.28,  99.90, -11.99,   0.19,
07/16 18Z,  -0.70, -15.20,  99.90, -15.71,   0.19,
07/16 19Z,  -0.60, -19.04,  99.90, -19.45,   0.19,
07/16 20Z,  -0.50, -21.86,  99.90, -22.17,   0.19,
07/16 21Z,  -0.50, -22.88,  99.90, -23.19,   0.19,  (min)
07/16 22Z,  -0.50, -21.70,  99.90, -22.01,   0.19,
07/16 23Z,  -0.50, -18.66,  99.90, -18.97,   0.19,
07/17 00Z,  -0.60, -14.70,  99.90, -15.11,   0.19,
07/17 01Z,  -0.60, -10.73,  99.90, -11.14,   0.19,
07/17 02Z,  -0.70,  -7.48,  99.90,  -7.99,   0.19,
07/17 03Z,  -0.70,  -5.67,  99.90,  -6.18,   0.19,
07/17 04Z,  -0.60,  -5.77,  99.90,  -6.18,   0.19,  (max)
07/17 05Z,  -0.60,  -7.73,  99.90,  -8.14,   0.19,
07/17 06Z,  -0.50, -11.06,  99.90, -11.37,   0.19,
07/17 07Z,  -0.40, -14.92,  99.90, -15.13,   0.19,
07/17 08Z,  -0.20, -18.37,  99.90, -18.38,   0.19,
07/17 09Z,  -0.20, -20.60,  99.90, -20.61,   0.19,
07/17 10Z,  -0.20, -20.99,  99.90, -21.00,   0.19,  (min)
07/17 11Z,  -0.10, -19.47,  99.90, -19.38,   0.19,
07/17 12Z,  -0.20, -16.70,  99.90, -16.71,   0.19,
07/17 13Z,  -0.30, -13.53,  99.90, -13.64,   0.19,
07/17 14Z,  -0.40, -10.66,  99.90, -10.87,   0.19,
07/17 15Z,  -0.60,  -8.73,  99.90,  -9.14,   0.19,
07/17 16Z,  -0.70,  -8.31,  99.90,  -8.82,   0.19,  (max)
07/17 17Z,  -0.70,  -9.56,  99.90, -10.07,   0.19,
07/17 18Z,  -0.60, -12.15,  99.90, -12.56,   0.19,
07/17 19Z,  -0.50, -15.40,  99.90, -15.71,   0.19,
07/17 20Z,  -0.30, -18.45,  99.90, -18.56,   0.19,
07/17 21Z,  -0.20, -20.54,  99.90, -20.55,   0.19,
07/17 22Z,  -0.10, -21.01,  99.90, -20.92,   0.19,  (min)
07/17 23Z,  -0.10, -19.57,  99.90, -19.48,   0.19,
07/18 00Z,  -0.10, -16.63,  99.90, -16.54,   0.19,
07/18 01Z,  -0.20, -13.08,  99.90, -13.09,   0.19,
07/18 02Z,  -0.40,  -9.65,  99.90,  -9.86,   0.19,
07/18 03Z,  -0.50,  -7.01,  99.90,  -7.32,   0.19,
07/18 04Z,  -0.50,  -5.77,  99.90,  -6.08,   0.19,  (max)
07/18 05Z,  -0.40,  -6.29,  99.90,  -6.50,   0.19,
07/18 06Z,  -0.30,  -8.44,  99.90,  -8.55,   0.19,