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
#Port Heiden, AK : 10/05/2026 21:21:54 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/04 06Z,   1.00,  13.41,  99.90,  14.41,   0.00,  (max)
10/04 07Z,   1.00,  12.90,  99.90,  13.90,   0.00,
10/04 08Z,   1.00,  11.65,  99.90,  12.65,   0.00,
10/04 09Z,   1.00,   9.62,  99.90,  10.62,   0.00,
10/04 10Z,   1.10,   7.30,  99.90,   8.40,   0.00,
10/04 11Z,   1.10,   5.74,  99.90,   6.84,   0.00,  (min)
10/04 12Z,   1.40,   5.93,  99.90,   7.33,   0.00,
10/04 13Z,   1.50,   7.50,  99.90,   9.00,   0.00,
10/04 14Z,   1.60,   9.08,  99.90,  10.68,   0.00,
10/04 15Z,   1.70,   9.83,  99.90,  11.53,   0.00,
10/04 16Z,   1.80,   9.96,  99.90,  11.76,   0.00,
10/04 17Z,   1.90,   9.90,  99.90,  11.80,   0.00,  (max)
10/04 18Z,   2.10,   9.36,  99.90,  11.46,   0.00,
10/04 19Z,   2.10,   8.00,  99.90,  10.10,   0.00,
10/04 20Z,   2.00,   5.69,  99.90,   7.69,   0.00,
10/04 21Z,   1.90,   2.67,  99.90,   4.57,   0.00,
10/04 22Z,   1.70,  -0.34,  99.90,   1.36,   0.00,
10/04 23Z,   1.60,  -2.08,  99.90,  -0.48,   0.00,  (min)
10/05 00Z,   1.40,  -1.29,  99.90,   0.11,   0.00,
10/05 01Z,   1.30,   2.05,  99.90,   3.35,   0.00,
10/05 02Z,   1.20,   6.38,  99.90,   7.58,   0.00,
10/05 03Z,   1.10,   9.99,  99.90,  11.09,   0.00,
10/05 04Z,   1.10,  12.21,  99.90,  13.31,   0.00,
10/05 05Z,   1.20,  13.21,  99.90,  14.41,   0.00,
10/05 06Z,   1.20,  13.43,  99.90,  14.63,   0.00,  (max)
10/05 07Z,   1.30,  13.28,  99.90,  14.58,   0.00,
10/05 08Z,   1.30,  12.66,  99.90,  13.96,   0.00,
10/05 09Z,   1.30,  11.24,  99.90,  12.54,   0.00,
10/05 10Z,   1.30,   9.03,  99.90,  10.33,   0.00,
10/05 11Z,   1.30,   6.59,  99.90,   7.89,   0.00,
10/05 12Z,   1.20,   5.09,  99.90,   6.29,   0.00,  (min)
10/05 13Z,   1.20,   5.47,  99.90,   6.67,   0.00,
10/05 14Z,   1.10,   7.26,  99.90,   8.36,   0.00,
10/05 15Z,   1.00,   9.01,  99.90,  10.01,   0.00,
10/05 16Z,   0.90,   9.89,  99.90,  10.79,   0.00,
10/05 17Z,   0.90,  10.11,  99.90,  11.01,   0.00,
10/05 18Z,   1.00,  10.07,  99.90,  11.07,   0.00,  (max)
10/05 19Z,   1.00,   9.58,  99.90,  10.58,   0.00,
10/05 20Z,   1.00,   8.30,  99.90,   9.30,   0.00,
10/05 21Z,   1.10,   6.09,  99.90,   7.19,   0.00,
10/05 22Z,   1.10,   3.15,  99.90,   4.25,   0.00,
10/05 23Z,   1.10,   0.18,  99.90,   1.28,   0.00,
10/06 00Z,   1.20,  -1.51,  99.90,  -0.31,   0.00,  (min)
10/06 01Z,   1.20,  -0.66,  99.90,   0.54,   0.00,
10/06 02Z,   1.20,   2.63,  99.90,   3.83,   0.00,
10/06 03Z,   1.20,   6.78,  99.90,   7.98,   0.00,
10/06 04Z,   1.20,  10.16,  99.90,  11.36,   0.00,
10/06 05Z,   1.20,  12.17,  99.90,  13.37,   0.00,
10/06 06Z,   1.20,  13.05,  99.90,  14.25,   0.00,
10/06 07Z,   1.10,  13.21,  99.90,  14.31,   0.00,  (max)
10/06 08Z,   1.10,  13.00,  99.90,  14.10,   0.00,
10/06 09Z,   1.00,  12.24,  99.90,  13.24,   0.00,
10/06 10Z,   1.00,  10.64,  99.90,  11.64,   0.00,
10/06 11Z,   0.90,   8.23,  99.90,   9.13,   0.00,
10/06 12Z,   0.80,   5.68,  99.90,   6.48,   0.00,
10/06 13Z,   0.80,   4.24,  99.90,   5.04,   0.00,  (min)
10/06 14Z,   0.80,   4.84,  99.90,   5.64,   0.00,
10/06 15Z,   0.80,   6.86,  99.90,   7.66,   0.00,
10/06 16Z,   0.80,   8.84,  99.90,   9.64,   0.00,
10/06 17Z,   0.80,   9.93,  99.90,  10.73,   0.00,
10/06 18Z,   0.80,  10.26,  99.90,  11.06,   0.00,
10/06 19Z,   0.80,  10.27,  99.90,  11.07,   0.00,  (max)
10/06 20Z,   0.70,   9.87,  99.90,  10.57,   0.00,
10/06 21Z,   0.70,   8.75,  99.90,   9.45,   0.00,
10/06 22Z,   0.60,   6.74,  99.90,   7.34,   0.00,
10/06 23Z,   0.50,   3.96,  99.90,   4.46,   0.00,
10/07 00Z,   0.40,   1.08,  99.90,   1.48,   0.00,
10/07 01Z,   0.30,  -0.57,  99.90,  -0.27,   0.00,  (min)
10/07 02Z,   0.20,   0.26,  99.90,   0.46,   0.00,
10/07 03Z,   0.20,   3.39,  99.90,   3.59,   0.00,
10/07 04Z,   0.20,   7.23,  99.90,   7.43,   0.00,
10/07 05Z,   0.30,  10.28,  99.90,  10.58,   0.00,
10/07 06Z,   0.30,  12.04,  99.90,  12.34,   0.00,
10/07 07Z,   0.40,  12.76,  99.90,  13.16,   0.00,  (max)
10/07 08Z,   0.30,  12.85,  99.90,  13.15,   0.00,
10/07 09Z,   0.30,  12.56,  99.90,  12.86,   0.00,
10/07 10Z,   0.20,  11.64,  99.90,  11.84,   0.00,
10/07 11Z,   0.10,   9.84,  99.90,   9.94,   0.00,
10/07 12Z,   0.10,   7.24,  99.90,   7.34,   0.00,
10/07 13Z,   0.10,   4.59,  99.90,   4.69,   0.00,
10/07 14Z,   0.10,   3.26,  99.90,   3.36,   0.00,  (min)
10/07 15Z,   0.20,   4.10,  99.90,   4.30,   0.00,
10/07 16Z,   0.30,   6.38,  99.90,   6.68,   0.00,
10/07 17Z,   0.40,   8.62,  99.90,   9.02,   0.00,
10/07 18Z,   0.40,   9.96,  99.90,  10.36,   0.00,
10/07 19Z,   0.40,  10.46,  99.90,  10.86,   0.00,  (max)
10/07 20Z,   0.30,  10.52,  99.90,  10.82,   0.00,
10/07 21Z,   0.30,  10.23,  99.90,  10.53,   0.00,
10/07 22Z,   0.30,   9.32,  99.90,   9.62,   0.00,
10/07 23Z,   0.20,   7.55,  99.90,   7.75,   0.00,
10/08 00Z,   0.20,   4.99,  99.90,   5.19,   0.00,
10/08 01Z,   0.20,   2.24,  99.90,   2.44,   0.00,
10/08 02Z,   0.20,   0.64,  99.90,   0.84,   0.00,  (min)
10/08 03Z,   0.20,   1.38,  99.90,   1.58,   0.00,
10/08 04Z,   0.30,   4.25,  99.90,   4.55,   0.00,
10/08 05Z,   0.30,   7.69,  99.90,   7.99,   0.00,
10/08 06Z,   0.40,  10.34,  99.90,  10.74,   0.00,
10/08 07Z,   0.40,  11.80,  99.90,  12.20,   0.00,
10/08 08Z,   0.50,  12.34,  99.90,  12.84,   0.00,
10/08 09Z,   0.50,  12.36,  99.90,  12.86,   0.00,  (max)
10/08 10Z,   0.50,  11.97,  99.90,  12.47,   0.00,
10/08 11Z,   0.50,  10.89,  99.90,  11.39,   0.00,
10/08 12Z,   0.50,   8.89,  99.90,   9.39,   0.00,
10/08 13Z,   0.50,   6.10,  99.90,   6.60,   0.00,
10/08 14Z,   0.50,   3.42,  99.90,   3.92,   0.00,
10/08 15Z,   0.60,   2.26,  99.90,   2.86,   0.00,  (min)
10/08 16Z,   0.80,   3.38,  99.90,   4.18,   0.00,
10/08 17Z,   0.90,   5.95,  99.90,   6.85,   0.00,
10/08 18Z,   1.00,   8.45,  99.90,   9.45,   0.00,
10/08 19Z,   1.10,  10.05,  99.90,  11.15,   0.00,
10/08 20Z,   1.20,  10.71,  99.90,  11.91,   0.00,
10/08 21Z,   1.20,  10.84,  99.90,  12.04,   0.00,  (max)
10/08 22Z,   1.20,  10.65,  99.90,  11.85,   0.00,
10/08 23Z,   1.20,   9.94,  99.90,  11.14,   0.00,
10/09 00Z,   1.20,   8.43,  99.90,   9.63,   0.00,
10/09 01Z,   1.10,   6.10,  99.90,   7.20,   0.00,
10/09 02Z,   0.90,   3.51,  99.90,   4.41,   0.00,
10/09 03Z,   0.70,   1.95,  99.90,   2.65,   0.00,  (min)
10/09 04Z,   0.50,   2.59,  99.90,   3.09,   0.00,
10/09 05Z,   0.40,   5.13,  99.90,   5.53,   0.00,
10/09 06Z,   0.40,   8.10,  99.90,   8.50,   0.00,
10/09 07Z,   0.50,  10.31,  99.90,  10.81,   0.00,
10/09 08Z,   0.70,  11.45,  99.90,  12.15,   0.00,
10/09 09Z,   0.80,  11.81,  99.90,  12.61,   0.00,
10/09 10Z,   0.90,  11.76,  99.90,  12.66,   0.00,  (max)
10/09 11Z,   0.90,  11.26,  99.90,  12.16,   0.00,
10/09 12Z,   0.80,  10.02,  99.90,  10.82,   0.00,
10/09 13Z,  99.90,   7.83,  99.90,  99.90,   0.00,
10/09 14Z,  99.90,   4.91,  99.90,  99.90,   0.00,
10/09 15Z,  99.90,   2.28,  99.90,  99.90,   0.00,
10/09 16Z,  99.90,   1.39,  99.90,  99.90,   0.00,
10/09 17Z,  99.90,   2.85,  99.90,  99.90,   0.00,
10/09 18Z,  99.90,   5.69,  99.90,  99.90,   0.00,