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
#Ketchikan, AK : 07/09/2025 17:22:58 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/08 00Z,  -0.20, -13.49, -13.12,  99.90,   0.57,
07/08 01Z,  -0.20, -14.21, -13.84,  99.90,   0.57,  (min)
07/08 02Z,  -0.10, -13.88, -13.45,  99.90,   0.53,
07/08 03Z,  -0.10, -12.51, -12.05,  99.90,   0.56,
07/08 04Z,  -0.10, -10.44,  -9.94,  99.90,   0.60,
07/08 05Z,   0.00,  -8.19,  -7.59,  99.90,   0.60,
07/08 06Z,  -0.10,  -6.36,  -5.70,  99.90,   0.76,
07/08 07Z,   0.00,  -5.45,  -4.77,  99.90,   0.68,  (max)
07/08 08Z,   0.00,  -5.76,  -5.11,  99.90,   0.65,
07/08 09Z,   0.00,  -7.36,  -6.81,  99.90,   0.55,
07/08 10Z,   0.00, -10.00,  -9.62,  99.90,   0.38,
07/08 11Z,   0.10, -13.18, -12.98,  99.90,   0.10,
07/08 12Z,   0.00, -16.25, -16.08,  99.90,   0.17,
07/08 13Z,   0.00, -18.52, -18.25,  99.90,   0.27,
07/08 14Z,   0.00, -19.53, -19.14,  99.90,   0.39,  (min)
07/08 15Z,   0.10, -19.07, -18.53,  99.90,   0.44,
07/08 16Z,   0.10, -17.33, -16.77,  99.90,   0.46,
07/08 17Z,   0.10, -14.75, -14.22,  99.90,   0.43,
07/08 18Z,   0.00, -11.95, -11.52,  99.90,   0.43,
07/08 19Z,   0.00,  -9.57,  -9.20,  99.90,   0.37,
07/08 20Z,   0.00,  -8.09,  -7.79,  99.90,   0.30,
07/08 21Z,   0.00,  -7.82,  -7.58,  99.90,   0.24,  (max)
07/08 22Z,   0.10,  -8.72,  -8.44,  99.90,   0.18,
07/08 23Z,   0.10, -10.47, -10.19,  99.90,   0.18,
07/09 00Z,   0.00, -12.47, -12.27,  99.90,   0.20,
07/09 01Z,   0.00, -14.05, -13.93,  99.90,   0.12,
07/09 02Z,   0.10, -14.64, -14.60,  99.90,  -0.06,  (min)
07/09 03Z,   0.10, -13.98, -13.95,  99.90,  -0.07,
07/09 04Z,   0.10, -12.22, -12.18,  99.90,  -0.06,
07/09 05Z,   0.10,  -9.79,  -9.69,  99.90,   0.00,
07/09 06Z,   0.00,  -7.34,  -7.18,  99.90,   0.16,
07/09 07Z,   0.00,  -5.50,  -5.26,  99.90,   0.24,
07/09 08Z,   0.00,  -4.81,  -4.58,  99.90,   0.23,  (max)
07/09 09Z,   0.00,  -5.54,  -5.41,  99.90,   0.13,
07/09 10Z,   0.00,  -7.68,  -7.70,  99.90,  -0.02,
07/09 11Z,   0.00, -10.86, -11.06,  99.90,  -0.20,
07/09 12Z,  -0.20, -14.46, -14.68,  99.90,  -0.02,
07/09 13Z,  -0.10, -17.67, -17.85,  99.90,  -0.08,
07/09 14Z,  -0.10, -19.79, -19.86,  99.90,   0.03,
07/09 15Z,  -0.10, -20.35, -20.27,  99.90,   0.18,  (min)
07/09 16Z,  -0.10, -19.29, -19.16,  99.90,   0.23,
07/09 17Z,  -0.10, -16.94, -16.85,  99.90,   0.19,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/09 18Z,  -0.10, -13.89,  99.90, -13.79,   0.20,
07/09 19Z,  -0.10, -10.84,  99.90, -10.73,   0.21,
07/09 20Z,  -0.10,  -8.45,  99.90,  -8.33,   0.22,
07/09 21Z,  -0.10,  -7.23,  99.90,  -7.10,   0.23,  (max)
07/09 22Z,  -0.20,  -7.40,  99.90,  -7.36,   0.24,
07/09 23Z,  -0.20,  -8.83,  99.90,  -8.79,   0.25,
07/10 00Z,  -0.20, -11.05,  99.90, -10.99,   0.25,
07/10 01Z,  -0.20, -13.30,  99.90, -13.23,   0.26,
07/10 02Z,  -0.20, -14.83,  99.90, -14.76,   0.27,
07/10 03Z,  -0.20, -15.09,  99.90, -15.02,   0.28,  (min)
07/10 04Z,  -0.20, -13.96,  99.90, -13.87,   0.29,
07/10 05Z,  -0.20, -11.71,  99.90, -11.61,   0.30,
07/10 06Z,  -0.20,  -8.92,  99.90,  -8.83,   0.30,
07/10 07Z,  -0.20,  -6.34,  99.90,  -6.24,   0.30,
07/10 08Z,  -0.20,  -4.63,  99.90,  -4.53,   0.30,
07/10 09Z,  -0.20,  -4.31,  99.90,  -4.22,   0.30,  (max)
07/10 10Z,  -0.20,  -5.61,  99.90,  -5.51,   0.30,
07/10 11Z,  -0.20,  -8.39,  99.90,  -8.29,   0.30,
07/10 12Z,  -0.20, -12.13,  99.90, -12.04,   0.30,
07/10 13Z,  -0.20, -16.03,  99.90, -15.94,   0.30,
07/10 14Z,  -0.20, -19.20,  99.90, -19.10,   0.30,
07/10 15Z,  -0.20, -20.90,  99.90, -20.81,   0.30,  (min)
07/10 16Z,  -0.20, -20.82,  99.90, -20.72,   0.30,
07/10 17Z,  -0.20, -19.06,  99.90, -18.96,   0.30,
07/10 18Z,  -0.30, -16.10,  99.90, -16.11,   0.30,
07/10 19Z,  -0.30, -12.67,  99.90, -12.68,   0.30,
07/10 20Z,  -0.30,  -9.52,  99.90,  -9.53,   0.30,
07/10 21Z,  -0.30,  -7.33,  99.90,  -7.34,   0.30,
07/10 22Z,  -0.30,  -6.56,  99.90,  -6.57,   0.30,  (max)
07/10 23Z,  -0.20,  -7.34,  99.90,  -7.25,   0.30,
07/11 00Z,  -0.10,  -9.38,  99.90,  -9.18,   0.30,
07/11 01Z,  -0.10, -12.01,  99.90, -11.81,   0.30,
07/11 02Z,   0.00, -14.35,  99.90, -14.06,   0.30,
07/11 03Z,   0.00, -15.63,  99.90, -15.33,   0.30,  (min)
07/11 04Z,   0.00, -15.40,  99.90, -15.10,   0.30,
07/11 05Z,   0.00, -13.69,  99.90, -13.39,   0.30,
07/11 06Z,  -0.10, -10.95,  99.90, -10.76,   0.30,
07/11 07Z,  -0.10,  -7.91,  99.90,  -7.71,   0.30,
07/11 08Z,  -0.10,  -5.33,  99.90,  -5.13,   0.30,
07/11 09Z,   0.00,  -3.92,  99.90,  -3.62,   0.30,  (max)
07/11 10Z,   0.00,  -4.14,  99.90,  -3.84,   0.30,
07/11 11Z,   0.00,  -6.12,  99.90,  -5.83,   0.30,
07/11 12Z,   0.00,  -9.56,  99.90,  -9.27,   0.30,
07/11 13Z,  -0.10, -13.75,  99.90, -13.56,   0.30,
07/11 14Z,  -0.10, -17.74,  99.90, -17.54,   0.30,
07/11 15Z,  -0.20, -20.58,  99.90, -20.48,   0.30,
07/11 16Z,  -0.20, -21.64,  99.90, -21.55,   0.30,  (min)
07/11 17Z,  -0.30, -20.78,  99.90, -20.79,   0.30,
07/11 18Z,  -0.30, -18.30,  99.90, -18.30,   0.30,
07/11 19Z,  -0.40, -14.84,  99.90, -14.94,   0.30,
07/11 20Z,  -0.40, -11.19,  99.90, -11.29,   0.30,
07/11 21Z,  -0.40,  -8.15,  99.90,  -8.26,   0.30,
07/11 22Z,  -0.40,  -6.38,  99.90,  -6.48,   0.30,
07/11 23Z,  -0.40,  -6.24,  99.90,  -6.34,   0.30,  (max)
07/12 00Z,  -0.30,  -7.72,  99.90,  -7.72,   0.30,
07/12 01Z,  -0.30, -10.32,  99.90, -10.32,   0.30,
07/12 02Z,  -0.30, -13.21,  99.90, -13.21,   0.30,
07/12 03Z,  -0.30, -15.43,  99.90, -15.44,   0.30,
07/12 04Z,  -0.30, -16.28,  99.90, -16.28,   0.30,  (min)
07/12 05Z,  -0.40, -15.45,  99.90, -15.55,   0.30,
07/12 06Z,  -0.40, -13.17,  99.90, -13.27,   0.30,
07/12 07Z,  -0.50, -10.05,  99.90, -10.25,   0.30,
07/12 08Z,  -0.50,  -6.89,  99.90,  -7.09,   0.30,
07/12 09Z,  -0.50,  -4.50,  99.90,  -4.71,   0.30,
07/12 10Z,  -0.50,  -3.56,  99.90,  -3.76,   0.30,  (max)
07/12 11Z,  -0.50,  -4.44,  99.90,  -4.64,   0.30,
07/12 12Z,  -0.40,  -7.13,  99.90,  -7.23,   0.30,
07/12 13Z,  -0.30, -11.12,  99.90, -11.12,   0.30,
07/12 14Z,  -0.30, -15.52,  99.90, -15.53,   0.30,
07/12 15Z,  -0.30, -19.30,  99.90, -19.30,   0.30,
07/12 16Z,  -0.30, -21.56,  99.90, -21.56,   0.30,
07/12 17Z,  -0.30, -21.82,  99.90, -21.83,   0.30,  (min)
07/12 18Z,  -0.40, -20.15,  99.90, -20.26,   0.30,
07/12 19Z,  -0.40, -17.04,  99.90, -17.14,   0.30,
07/12 20Z,  -0.40, -13.24,  99.90, -13.34,   0.30,
07/12 21Z,  -0.40,  -9.59,  99.90,  -9.69,   0.30,
07/12 22Z,  -0.30,  -6.89,  99.90,  -6.89,   0.30,
07/12 23Z,  -0.20,  -5.72,  99.90,  -5.62,   0.30,  (max)
07/13 00Z,  -0.10,  -6.32,  99.90,  -6.12,   0.30,
07/13 01Z,   0.00,  -8.48,  99.90,  -8.18,   0.30,
07/13 02Z,   0.00, -11.51,  99.90, -11.21,   0.30,
07/13 03Z,   0.00, -14.45,  99.90, -14.15,   0.30,
07/13 04Z,  -0.10, -16.37,  99.90, -16.17,   0.30,
07/13 05Z,  -0.10, -16.66,  99.90, -16.47,   0.30,  (min)
07/13 06Z,  -0.30, -15.24,  99.90, -15.25,   0.30,
07/13 07Z,  -0.30, -12.50,  99.90, -12.51,   0.30,
07/13 08Z,  -0.40,  -9.16,  99.90,  -9.27,   0.30,
07/13 09Z,  -0.40,  -6.08,  99.90,  -6.18,   0.30,
07/13 10Z,  -0.40,  -4.05,  99.90,  -4.16,   0.30,
07/13 11Z,  -0.40,  -3.70,  99.90,  -3.80,   0.30,  (max)
07/13 12Z,  -0.30,  -5.26,  99.90,  -5.26,   0.30,