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
#Cape Romanzof, AK : 04/12/2026 22:21:09 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/11 06Z,   0.70,   4.12,  99.90,   4.82,   0.00,
04/11 07Z,   0.70,   4.44,  99.90,   5.14,   0.00,  (max)
04/11 08Z,   0.80,   4.34,  99.90,   5.14,   0.00,
04/11 09Z,   0.80,   3.67,  99.90,   4.47,   0.00,
04/11 10Z,   0.80,   2.59,  99.90,   3.39,   0.00,
04/11 11Z,   0.80,   1.52,  99.90,   2.32,   0.00,
04/11 12Z,   0.80,   0.78,  99.90,   1.58,   0.00,
04/11 13Z,   0.80,   0.56,  99.90,   1.36,   0.00,  (min)
04/11 14Z,   0.80,   0.87,  99.90,   1.67,   0.00,
04/11 15Z,   0.80,   1.58,  99.90,   2.38,   0.00,
04/11 16Z,   0.80,   2.55,  99.90,   3.35,   0.00,
04/11 17Z,   0.70,   3.62,  99.90,   4.32,   0.00,
04/11 18Z,   0.90,   4.66,  99.90,   5.56,   0.00,
04/11 19Z,   0.80,   5.53,  99.90,   6.33,   0.00,
04/11 20Z,   0.80,   6.07,  99.90,   6.87,   0.00,  (max)
04/11 21Z,   0.80,   6.06,  99.90,   6.86,   0.00,
04/11 22Z,   0.70,   5.38,  99.90,   6.08,   0.00,
04/11 23Z,   0.70,   4.22,  99.90,   4.92,   0.00,
04/12 00Z,   0.80,   2.97,  99.90,   3.77,   0.00,
04/12 01Z,   0.80,   2.05,  99.90,   2.85,   0.00,
04/12 02Z,   0.90,   1.75,  99.90,   2.65,   0.00,  (min)
04/12 03Z,   0.90,   1.97,  99.90,   2.87,   0.00,
04/12 04Z,   0.90,   2.48,  99.90,   3.38,   0.00,
04/12 05Z,   0.90,   3.11,  99.90,   4.01,   0.00,
04/12 06Z,   0.90,   3.75,  99.90,   4.65,   0.00,
04/12 07Z,   0.90,   4.28,  99.90,   5.18,   0.00,
04/12 08Z,   0.90,   4.56,  99.90,   5.46,   0.00,  (max)
04/12 09Z,   0.90,   4.35,  99.90,   5.25,   0.00,
04/12 10Z,   0.80,   3.56,  99.90,   4.36,   0.00,
04/12 11Z,   0.80,   2.43,  99.90,   3.23,   0.00,
04/12 12Z,   0.70,   1.41,  99.90,   2.11,   0.00,
04/12 13Z,   0.70,   0.78,  99.90,   1.48,   0.00,
04/12 14Z,   0.60,   0.68,  99.90,   1.28,   0.00,  (min)
04/12 15Z,   0.60,   1.09,  99.90,   1.69,   0.00,
04/12 16Z,   0.60,   1.86,  99.90,   2.46,   0.00,
04/12 17Z,   0.60,   2.85,  99.90,   3.45,   0.00,
04/12 18Z,   0.60,   3.91,  99.90,   4.51,   0.00,
04/12 19Z,   0.60,   4.91,  99.90,   5.51,   0.00,
04/12 20Z,   0.50,   5.69,  99.90,   6.19,   0.00,
04/12 21Z,   0.50,   6.06,  99.90,   6.56,   0.00,  (max)
04/12 22Z,   0.40,   5.83,  99.90,   6.23,   0.00,
04/12 23Z,   0.40,   4.94,  99.90,   5.34,   0.00,
04/13 00Z,   0.30,   3.68,  99.90,   3.98,   0.00,
04/13 01Z,   0.30,   2.48,  99.90,   2.78,   0.00,
04/13 02Z,   0.20,   1.74,  99.90,   1.94,   0.00,
04/13 03Z,   0.10,   1.61,  99.90,   1.71,   0.00,  (min)
04/13 04Z,   0.10,   1.95,  99.90,   2.05,   0.00,
04/13 05Z,   0.10,   2.54,  99.90,   2.64,   0.00,
04/13 06Z,   0.10,   3.25,  99.90,   3.35,   0.00,
04/13 07Z,   0.00,   3.93,  99.90,   3.93,   0.00,
04/13 08Z,   0.00,   4.47,  99.90,   4.47,   0.00,
04/13 09Z,   0.00,   4.71,  99.90,   4.71,   0.00,  (max)
04/13 10Z,   0.10,   4.43,  99.90,   4.53,   0.00,
04/13 11Z,   0.10,   3.54,  99.90,   3.64,   0.00,
04/13 12Z,   0.10,   2.39,  99.90,   2.49,   0.00,
04/13 13Z,   0.00,   1.41,  99.90,   1.41,   0.00,
04/13 14Z,   0.00,   0.86,  99.90,   0.86,   0.00,
04/13 15Z,   0.00,   0.86,  99.90,   0.86,   0.00,  (min)
04/13 16Z,   0.00,   1.33,  99.90,   1.33,   0.00,
04/13 17Z,   0.00,   2.15,  99.90,   2.15,   0.00,
04/13 18Z,   0.00,   3.15,  99.90,   3.15,   0.00,
04/13 19Z,   0.00,   4.18,  99.90,   4.18,   0.00,
04/13 20Z,   0.00,   5.11,  99.90,   5.11,   0.00,
04/13 21Z,   0.00,   5.77,  99.90,   5.77,   0.00,
04/13 22Z,   0.00,   5.97,  99.90,   5.97,   0.00,  (max)
04/13 23Z,   0.00,   5.49,  99.90,   5.49,   0.00,
04/14 00Z,   0.00,   4.38,  99.90,   4.38,   0.00,
04/14 01Z,   0.00,   3.06,  99.90,   3.06,   0.00,
04/14 02Z,   0.00,   1.96,  99.90,   1.96,   0.00,
04/14 03Z,   0.00,   1.40,  99.90,   1.40,   0.00,  (min)
04/14 04Z,   0.00,   1.44,  99.90,   1.44,   0.00,
04/14 05Z,   0.00,   1.91,  99.90,   1.91,   0.00,
04/14 06Z,   0.00,   2.61,  99.90,   2.61,   0.00,
04/14 07Z,   0.00,   3.39,  99.90,   3.39,   0.00,
04/14 08Z,   0.00,   4.14,  99.90,   4.14,   0.00,
04/14 09Z,   0.00,   4.72,  99.90,   4.72,   0.00,
04/14 10Z,   0.00,   4.94,  99.90,   4.94,   0.00,  (max)
04/14 11Z,   0.00,   4.59,  99.90,   4.59,   0.00,
04/14 12Z,   0.00,   3.63,  99.90,   3.63,   0.00,
04/14 13Z,   0.00,   2.44,  99.90,   2.44,   0.00,
04/14 14Z,   0.00,   1.48,  99.90,   1.48,   0.00,
04/14 15Z,   0.00,   1.00,  99.90,   1.00,   0.00,  (min)
04/14 16Z,   0.00,   1.07,  99.90,   1.07,   0.00,
04/14 17Z,   0.00,   1.60,  99.90,   1.60,   0.00,
04/14 18Z,   0.00,   2.43,  99.90,   2.43,   0.00,
04/14 19Z,   0.00,   3.42,  99.90,   3.42,   0.00,
04/14 20Z,   0.00,   4.41,  99.90,   4.41,   0.00,
04/14 21Z,   0.00,   5.26,  99.90,   5.26,   0.00,
04/14 22Z,   0.00,   5.78,  99.90,   5.78,   0.00,  (max)
04/14 23Z,   0.00,   5.76,  99.90,   5.76,   0.00,
04/15 00Z,   0.00,   5.02,  99.90,   5.02,   0.00,
04/15 01Z,   0.00,   3.73,  99.90,   3.73,   0.00,
04/15 02Z,   0.00,   2.40,  99.90,   2.40,   0.00,
04/15 03Z,   0.00,   1.43,  99.90,   1.43,   0.00,
04/15 04Z,   0.00,   1.05,  99.90,   1.05,   0.00,  (min)
04/15 05Z,   0.00,   1.26,  99.90,   1.26,   0.00,
04/15 06Z,   0.00,   1.86,  99.90,   1.86,   0.00,
04/15 07Z,   0.00,   2.69,  99.90,   2.69,   0.00,
04/15 08Z,   0.00,   3.58,  99.90,   3.58,   0.00,
04/15 09Z,   0.00,   4.42,  99.90,   4.42,   0.00,
04/15 10Z,   0.00,   5.04,  99.90,   5.04,   0.00,
04/15 11Z,   0.10,   5.27,  99.90,   5.37,   0.00,  (max)
04/15 12Z,   0.10,   4.86,  99.90,   4.96,   0.00,
04/15 13Z,   0.20,   3.82,  99.90,   4.02,   0.00,
04/15 14Z,   0.20,   2.59,  99.90,   2.79,   0.00,
04/15 15Z,   0.20,   1.62,  99.90,   1.82,   0.00,
04/15 16Z,   0.30,   1.16,  99.90,   1.46,   0.00,  (min)
04/15 17Z,   0.30,   1.28,  99.90,   1.58,   0.00,
04/15 18Z,   0.40,   1.84,  99.90,   2.24,   0.00,
04/15 19Z,   0.40,   2.69,  99.90,   3.09,   0.00,
04/15 20Z,   0.40,   3.65,  99.90,   4.05,   0.00,
04/15 21Z,   0.40,   4.58,  99.90,   4.98,   0.00,
04/15 22Z,   0.40,   5.33,  99.90,   5.73,   0.00,
04/15 23Z,   0.40,   5.70,  99.90,   6.10,   0.00,  (max)
04/16 00Z,   0.40,   5.44,  99.90,   5.84,   0.00,
04/16 01Z,   0.40,   4.44,  99.90,   4.84,   0.00,
04/16 02Z,   0.40,   3.02,  99.90,   3.42,   0.00,
04/16 03Z,   0.50,   1.72,  99.90,   2.22,   0.00,
04/16 04Z,   0.50,   0.90,  99.90,   1.40,   0.00,
04/16 05Z,   0.50,   0.71,  99.90,   1.21,   0.00,  (min)
04/16 06Z,   0.50,   1.08,  99.90,   1.58,   0.00,
04/16 07Z,   0.50,   1.83,  99.90,   2.33,   0.00,
04/16 08Z,   0.50,   2.80,  99.90,   3.30,   0.00,
04/16 09Z,   0.50,   3.83,  99.90,   4.33,   0.00,
04/16 10Z,   0.50,   4.76,  99.90,   5.26,   0.00,
04/16 11Z,   0.50,   5.45,  99.90,   5.95,   0.00,
04/16 12Z,   0.50,   5.68,  99.90,   6.18,   0.00,
04/16 13Z,  99.90,   5.22,  99.90,  99.90,   0.00,
04/16 14Z,  99.90,   4.09,  99.90,  99.90,   0.00,
04/16 15Z,  99.90,   2.78,  99.90,  99.90,   0.00,
04/16 16Z,  99.90,   1.77,  99.90,  99.90,   0.00,
04/16 17Z,  99.90,   1.33,  99.90,  99.90,   0.00,
04/16 18Z,  99.90,   1.48,  99.90,  99.90,   0.00,