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
#Adak Island, AK : 12/12/2025 22:21:41 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
12/11 06Z,  -0.50,   3.19,   1.85,  99.90,  -0.84,  (min)
12/11 07Z,  -0.50,   3.12,   1.85,  99.90,  -0.77,  (max)
12/11 08Z,  -0.50,   2.89,   1.55,  99.90,  -0.84,
12/11 09Z,  -0.50,   2.48,   1.24,  99.90,  -0.74,
12/11 10Z,  -0.50,   1.92,   0.68,  99.90,  -0.74,
12/11 11Z,  -0.50,   1.30,   0.17,  99.90,  -0.63,
12/11 12Z,  -0.60,   0.73,  -0.37,  99.90,  -0.50,
12/11 13Z,  -0.60,   0.34,  -0.70,  99.90,  -0.44,
12/11 14Z,  -0.60,   0.21,  -0.79,  99.90,  -0.40,  (min)
12/11 15Z,  -0.60,   0.39,  -0.53,  99.90,  -0.32,
12/11 16Z,  -0.60,   0.85,  -0.01,  99.90,  -0.26,
12/11 17Z,  -0.60,   1.52,   0.64,  99.90,  -0.28,
12/11 18Z,  -0.60,   2.29,   1.45,  99.90,  -0.24,
12/11 19Z,  -0.60,   3.04,   2.15,  99.90,  -0.29,
12/11 20Z,  -0.60,   3.63,   2.71,  99.90,  -0.32,
12/11 21Z,  -0.60,   3.98,   2.91,  99.90,  -0.47,
12/11 22Z,  -0.60,   4.07,   3.04,  99.90,  -0.43,  (max)
12/11 23Z,  -0.60,   3.92,   2.90,  99.90,  -0.42,
12/12 00Z,  -0.70,   3.59,   2.48,  99.90,  -0.41,
12/12 01Z,  -0.70,   3.18,   2.04,  99.90,  -0.44,
12/12 02Z,  -0.70,   2.79,   1.60,  99.90,  -0.49,
12/12 03Z,  -0.70,   2.51,   1.21,  99.90,  -0.60,
12/12 04Z,  -0.70,   2.38,   0.99,  99.90,  -0.69,  (min)
12/12 05Z,  -0.70,   2.39,   1.00,  99.90,  -0.69,
12/12 06Z,  -0.70,   2.49,   1.12,  99.90,  -0.67,
12/12 07Z,  -0.70,   2.60,   1.15,  99.90,  -0.75,
12/12 08Z,  -0.80,   2.65,   1.18,  99.90,  -0.67,  (max)
12/12 09Z,  -0.80,   2.56,   1.13,  99.90,  -0.63,
12/12 10Z,  -0.80,   2.32,   1.02,  99.90,  -0.50,
12/12 11Z,  -0.80,   1.96,   0.64,  99.90,  -0.52,
12/12 12Z,  -0.80,   1.55,   0.26,  99.90,  -0.49,
12/12 13Z,  -0.80,   1.18,  -0.13,  99.90,  -0.51,
12/12 14Z,  -0.80,   0.96,  -0.21,  99.90,  -0.37,  (min)
12/12 15Z,  -0.80,   0.96,  -0.15,  99.90,  -0.31,
12/12 16Z,  -0.80,   1.21,   0.10,  99.90,  -0.31,
12/12 17Z,  -0.70,   1.68,   0.59,  99.90,  -0.39,
12/12 18Z,  -0.70,   2.29,   1.31,  99.90,  -0.28,
12/12 19Z,  -0.70,   2.94,   1.96,  99.90,  -0.28,
12/12 20Z,  -0.70,   3.51,   2.53,  99.90,  -0.28,
12/12 21Z,  -0.60,   3.91,   2.90,  99.90,  -0.41,
12/12 22Z,  -0.60,   4.06,   2.98,  99.90,  -0.48,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
12/12 23Z,  -0.60,   3.95,  99.90,   2.88,  -0.46,
12/13 00Z,  -0.60,   3.61,  99.90,   2.56,  -0.45,
12/13 01Z,  -0.60,   3.13,  99.90,   2.10,  -0.44,
12/13 02Z,  -0.60,   2.61,  99.90,   1.59,  -0.42,
12/13 03Z,  -0.60,   2.15,  99.90,   1.14,  -0.41,
12/13 04Z,  -0.60,   1.83,  99.90,   0.84,  -0.40,
12/13 05Z,  -0.60,   1.69,  99.90,   0.71,  -0.38,  (min)
12/13 06Z,  -0.60,   1.73,  99.90,   0.76,  -0.37,
12/13 07Z,  -0.60,   1.89,  99.90,   0.93,  -0.36,
12/13 08Z,  -0.60,   2.09,  99.90,   1.15,  -0.34,
12/13 09Z,  -0.60,   2.26,  99.90,   1.33,  -0.33,
12/13 10Z,  -0.60,   2.32,  99.90,   1.41,  -0.32,  (max)
12/13 11Z,  -0.60,   2.26,  99.90,   1.35,  -0.32,
12/13 12Z,  -0.50,   2.10,  99.90,   1.28,  -0.32,
12/13 13Z,  -0.50,   1.89,  99.90,   1.07,  -0.32,
12/13 14Z,  -0.50,   1.71,  99.90,   0.90,  -0.32,
12/13 15Z,  -0.50,   1.65,  99.90,   0.84,  -0.32,  (min)
12/13 16Z,  -0.50,   1.76,  99.90,   0.94,  -0.32,
12/13 17Z,  -0.50,   2.05,  99.90,   1.23,  -0.32,
12/13 18Z,  -0.50,   2.49,  99.90,   1.67,  -0.32,
12/13 19Z,  -0.50,   3.00,  99.90,   2.19,  -0.32,
12/13 20Z,  -0.50,   3.50,  99.90,   2.68,  -0.32,
12/13 21Z,  -0.50,   3.87,  99.90,   3.06,  -0.32,
12/13 22Z,  -0.50,   4.05,  99.90,   3.23,  -0.32,  (max)
12/13 23Z,  -0.50,   3.98,  99.90,   3.17,  -0.32,
12/14 00Z,  -0.60,   3.68,  99.90,   2.76,  -0.32,
12/14 01Z,  -0.60,   3.19,  99.90,   2.27,  -0.32,
12/14 02Z,  -0.50,   2.59,  99.90,   1.77,  -0.32,
12/14 03Z,  -0.50,   1.99,  99.90,   1.18,  -0.32,
12/14 04Z,  -0.50,   1.50,  99.90,   0.68,  -0.32,
12/14 05Z,  -0.50,   1.18,  99.90,   0.37,  -0.32,
12/14 06Z,  -0.50,   1.07,  99.90,   0.26,  -0.32,
12/14 07Z,  -0.60,   1.17,  99.90,   0.25,  -0.32,  (min)
12/14 08Z,  -0.60,   1.40,  99.90,   0.49,  -0.32,
12/14 09Z,  -0.60,   1.71,  99.90,   0.79,  -0.32,
12/14 10Z,  -0.60,   2.00,  99.90,   1.08,  -0.32,
12/14 11Z,  -0.60,   2.21,  99.90,   1.30,  -0.32,
12/14 12Z,  -0.50,   2.32,  99.90,   1.51,  -0.32,
12/14 13Z,  -0.50,   2.34,  99.90,   1.53,  -0.32,  (max)
12/14 14Z,  -0.50,   2.32,  99.90,   1.50,  -0.32,
12/14 15Z,  -0.60,   2.30,  99.90,   1.39,  -0.32,  (min)
12/14 16Z,  -0.60,   2.37,  99.90,   1.45,  -0.32,
12/14 17Z,  -0.60,   2.55,  99.90,   1.63,  -0.32,
12/14 18Z,  -0.60,   2.84,  99.90,   1.93,  -0.32,
12/14 19Z,  -0.60,   3.22,  99.90,   2.30,  -0.32,
12/14 20Z,  -0.60,   3.60,  99.90,   2.68,  -0.32,
12/14 21Z,  -0.60,   3.91,  99.90,   3.00,  -0.32,
12/14 22Z,  -0.60,   4.08,  99.90,   3.16,  -0.32,  (max)
12/14 23Z,  -0.60,   4.03,  99.90,   3.12,  -0.32,
12/15 00Z,  -0.60,   3.76,  99.90,   2.84,  -0.32,
12/15 01Z,  -0.60,   3.28,  99.90,   2.37,  -0.32,
12/15 02Z,  -0.60,   2.66,  99.90,   1.75,  -0.32,
12/15 03Z,  -0.60,   1.99,  99.90,   1.07,  -0.32,
12/15 04Z,  -0.60,   1.37,  99.90,   0.45,  -0.32,
12/15 05Z,  -0.50,   0.88,  99.90,   0.07,  -0.32,
12/15 06Z,  -0.50,   0.61,  99.90,  -0.21,  -0.32,
12/15 07Z,  -0.60,   0.57,  99.90,  -0.35,  -0.32,  (min)
12/15 08Z,  -0.60,   0.74,  99.90,  -0.18,  -0.32,
12/15 09Z,  -0.60,   1.07,  99.90,   0.15,  -0.32,
12/15 10Z,  -0.60,   1.48,  99.90,   0.56,  -0.32,
12/15 11Z,  -0.60,   1.89,  99.90,   0.98,  -0.32,
12/15 12Z,  -0.60,   2.24,  99.90,   1.33,  -0.32,
12/15 13Z,  -0.60,   2.50,  99.90,   1.58,  -0.32,
12/15 14Z,  -0.50,   2.67,  99.90,   1.86,  -0.32,
12/15 15Z,  -0.50,   2.79,  99.90,   1.98,  -0.32,
12/15 16Z,  -0.50,   2.91,  99.90,   2.09,  -0.32,
12/15 17Z,  -0.50,   3.06,  99.90,   2.24,  -0.32,
12/15 18Z,  -0.50,   3.27,  99.90,   2.45,  -0.32,
12/15 19Z,  -0.50,   3.53,  99.90,   2.71,  -0.32,
12/15 20Z,  -0.50,   3.80,  99.90,   2.99,  -0.32,
12/15 21Z,  -0.60,   4.04,  99.90,   3.12,  -0.32,
12/15 22Z,  -0.60,   4.16,  99.90,   3.24,  -0.32,  (max)
12/15 23Z,  -0.60,   4.11,  99.90,   3.19,  -0.32,
12/16 00Z,  -0.60,   3.86,  99.90,   2.94,  -0.32,
12/16 01Z,  -0.60,   3.41,  99.90,   2.50,  -0.32,
12/16 02Z,  -0.60,   2.80,  99.90,   1.88,  -0.32,
12/16 03Z,  -0.50,   2.09,  99.90,   1.28,  -0.32,
12/16 04Z,  -0.50,   1.39,  99.90,   0.57,  -0.32,
12/16 05Z,  -0.50,   0.78,  99.90,  -0.04,  -0.32,
12/16 06Z,  -0.60,   0.35,  99.90,  -0.57,  -0.32,
12/16 07Z,  -0.60,   0.15,  99.90,  -0.76,  -0.32,  (min)
12/16 08Z,  -0.60,   0.20,  99.90,  -0.71,  -0.32,
12/16 09Z,  -0.60,   0.47,  99.90,  -0.44,  -0.32,
12/16 10Z,  -0.70,   0.90,  99.90,  -0.11,  -0.32,
12/16 11Z,  -0.60,   1.41,  99.90,   0.50,  -0.32,
12/16 12Z,  -0.60,   1.93,  99.90,   1.02,  -0.32,
12/16 13Z,  99.90,   2.39,  99.90,  99.90,  -0.32,
12/16 14Z,  99.90,   2.76,  99.90,  99.90,  -0.32,
12/16 15Z,  99.90,   3.05,  99.90,  99.90,  -0.32,
12/16 16Z,  99.90,   3.27,  99.90,  99.90,  -0.32,
12/16 17Z,  99.90,   3.47,  99.90,  99.90,  -0.32,
12/16 18Z,  99.90,   3.66,  99.90,  99.90,  -0.32,