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
#Apoon Mouth Yukon River, AK : 04/30/2025 07:21:30 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/28 12Z,  -0.30,  -4.26,  99.90,  -4.56,   0.00,  (min)
04/28 13Z,  -0.30,  -4.10,  99.90,  -4.40,   0.00,
04/28 14Z,  -0.20,  -3.75,  99.90,  -3.95,   0.00,
04/28 15Z,  -0.20,  -3.25,  99.90,  -3.45,   0.00,
04/28 16Z,  -0.20,  -2.68,  99.90,  -2.88,   0.00,
04/28 17Z,  -0.20,  -2.08,  99.90,  -2.28,   0.00,
04/28 18Z,  -0.10,  -1.55,  99.90,  -1.65,   0.00,
04/28 19Z,  -0.10,  -1.18,  99.90,  -1.28,   0.00,
04/28 20Z,  -0.10,  -1.07,  99.90,  -1.17,   0.00,  (max)
04/28 21Z,   0.00,  -1.28,  99.90,  -1.28,   0.00,
04/28 22Z,   0.00,  -1.80,  99.90,  -1.80,   0.00,
04/28 23Z,   0.00,  -2.55,  99.90,  -2.55,   0.00,
04/29 00Z,   0.00,  -3.36,  99.90,  -3.36,   0.00,
04/29 01Z,   0.00,  -4.09,  99.90,  -4.09,   0.00,
04/29 02Z,   0.00,  -4.67,  99.90,  -4.67,   0.00,
04/29 03Z,   0.00,  -5.04,  99.90,  -5.04,   0.00,
04/29 04Z,   0.00,  -5.21,  99.90,  -5.21,   0.00,  (min)
04/29 05Z,   0.00,  -5.19,  99.90,  -5.19,   0.00,
04/29 06Z,   0.00,  -5.03,  99.90,  -5.03,   0.00,
04/29 07Z,   0.00,  -4.78,  99.90,  -4.78,   0.00,
04/29 08Z,   0.00,  -4.52,  99.90,  -4.52,   0.00,
04/29 09Z,   0.00,  -4.34,  99.90,  -4.34,   0.00,
04/29 10Z,   0.00,  -4.28,  99.90,  -4.28,   0.00,  (max)
04/29 11Z,   0.00,  -4.29,  99.90,  -4.29,   0.00,  (min)
04/29 12Z,   0.00,  -4.29,  99.90,  -4.29,   0.00,
04/29 13Z,   0.00,  -4.16,  99.90,  -4.16,   0.00,
04/29 14Z,   0.00,  -3.86,  99.90,  -3.86,   0.00,
04/29 15Z,   0.00,  -3.37,  99.90,  -3.37,   0.00,
04/29 16Z,   0.10,  -2.75,  99.90,  -2.65,   0.00,
04/29 17Z,   0.10,  -2.08,  99.90,  -1.98,   0.00,
04/29 18Z,   0.20,  -1.43,  99.90,  -1.23,   0.00,
04/29 19Z,   0.20,  -0.90,  99.90,  -0.70,   0.00,
04/29 20Z,   0.20,  -0.59,  99.90,  -0.39,   0.00,  (max)
04/29 21Z,   0.20,  -0.59,  99.90,  -0.39,   0.00,
04/29 22Z,   0.20,  -0.97,  99.90,  -0.77,   0.00,
04/29 23Z,   0.20,  -1.68,  99.90,  -1.48,   0.00,
04/30 00Z,   0.10,  -2.60,  99.90,  -2.50,   0.00,
04/30 01Z,   0.10,  -3.57,  99.90,  -3.47,   0.00,
04/30 02Z,   0.10,  -4.43,  99.90,  -4.33,   0.00,
04/30 03Z,   0.00,  -5.09,  99.90,  -5.09,   0.00,
04/30 04Z,   0.00,  -5.51,  99.90,  -5.51,   0.00,
04/30 05Z,   0.00,  -5.69,  99.90,  -5.69,   0.00,  (min)
04/30 06Z,   0.00,  -5.66,  99.90,  -5.66,   0.00,
04/30 07Z,   0.00,  -5.45,  99.90,  -5.45,   0.00,
04/30 08Z,  -0.10,  -5.14,  99.90,  -5.24,   0.00,
04/30 09Z,  -0.10,  -4.82,  99.90,  -4.92,   0.00,
04/30 10Z,  -0.20,  -4.58,  99.90,  -4.78,   0.00,
04/30 11Z,  -0.20,  -4.45,  99.90,  -4.65,   0.00,
04/30 12Z,  -0.20,  -4.38,  99.90,  -4.58,   0.00,
04/30 13Z,  -0.30,  -4.28,  99.90,  -4.58,   0.00,
04/30 14Z,  -0.30,  -4.04,  99.90,  -4.34,   0.00,
04/30 15Z,  -0.30,  -3.61,  99.90,  -3.91,   0.00,
04/30 16Z,  -0.40,  -3.02,  99.90,  -3.42,   0.00,
04/30 17Z,  -0.40,  -2.33,  99.90,  -2.73,   0.00,
04/30 18Z,  -0.40,  -1.61,  99.90,  -2.01,   0.00,
04/30 19Z,  -0.40,  -0.95,  99.90,  -1.35,   0.00,
04/30 20Z,  -0.40,  -0.45,  99.90,  -0.85,   0.00,
04/30 21Z,  -0.40,  -0.21,  99.90,  -0.61,   0.00,  (max)
04/30 22Z,  -0.50,  -0.33,  99.90,  -0.83,   0.00,
04/30 23Z,  -0.50,  -0.85,  99.90,  -1.35,   0.00,
05/01 00Z,  -0.50,  -1.70,  99.90,  -2.20,   0.00,
05/01 01Z,  -0.40,  -2.74,  99.90,  -3.14,   0.00,
05/01 02Z,  -0.40,  -3.79,  99.90,  -4.19,   0.00,
05/01 03Z,  -0.40,  -4.71,  99.90,  -5.11,   0.00,
05/01 04Z,  -0.40,  -5.40,  99.90,  -5.80,   0.00,
05/01 05Z,  -0.40,  -5.82,  99.90,  -6.22,   0.00,
05/01 06Z,  -0.40,  -5.99,  99.90,  -6.39,   0.00,  (min)
05/01 07Z,  -0.30,  -5.93,  99.90,  -6.23,   0.00,
05/01 08Z,  -0.30,  -5.68,  99.90,  -5.98,   0.00,
05/01 09Z,  -0.30,  -5.32,  99.90,  -5.62,   0.00,
05/01 10Z,  -0.30,  -4.97,  99.90,  -5.27,   0.00,
05/01 11Z,  -0.20,  -4.69,  99.90,  -4.89,   0.00,
05/01 12Z,  -0.20,  -4.52,  99.90,  -4.72,   0.00,
05/01 13Z,  -0.20,  -4.39,  99.90,  -4.59,   0.00,
05/01 14Z,  -0.30,  -4.21,  99.90,  -4.51,   0.00,
05/01 15Z,  -0.30,  -3.89,  99.90,  -4.19,   0.00,
05/01 16Z,  -0.30,  -3.39,  99.90,  -3.69,   0.00,
05/01 17Z,  -0.30,  -2.74,  99.90,  -3.04,   0.00,
05/01 18Z,  -0.20,  -2.02,  99.90,  -2.22,   0.00,
05/01 19Z,  -0.20,  -1.31,  99.90,  -1.51,   0.00,
05/01 20Z,  -0.20,  -0.68,  99.90,  -0.88,   0.00,
05/01 21Z,  -0.20,  -0.24,  99.90,  -0.44,   0.00,
05/01 22Z,  -0.20,  -0.08,  99.90,  -0.28,   0.00,  (max)
05/01 23Z,  -0.20,  -0.30,  99.90,  -0.50,   0.00,
05/02 00Z,  -0.20,  -0.91,  99.90,  -1.11,   0.00,
05/02 01Z,  -0.20,  -1.84,  99.90,  -2.04,   0.00,
05/02 02Z,  -0.20,  -2.93,  99.90,  -3.13,   0.00,
05/02 03Z,  -0.20,  -3.99,  99.90,  -4.19,   0.00,
05/02 04Z,  -0.20,  -4.90,  99.90,  -5.10,   0.00,
05/02 05Z,  -0.20,  -5.56,  99.90,  -5.76,   0.00,
05/02 06Z,  -0.20,  -5.96,  99.90,  -6.16,   0.00,
05/02 07Z,  -0.20,  -6.10,  99.90,  -6.30,   0.00,  (min)
05/02 08Z,  -0.20,  -6.01,  99.90,  -6.21,   0.00,
05/02 09Z,  -0.20,  -5.73,  99.90,  -5.93,   0.00,
05/02 10Z,  -0.20,  -5.35,  99.90,  -5.55,   0.00,
05/02 11Z,  -0.20,  -4.98,  99.90,  -5.18,   0.00,
05/02 12Z,  -0.20,  -4.68,  99.90,  -4.88,   0.00,
05/02 13Z,  -0.20,  -4.48,  99.90,  -4.68,   0.00,
05/02 14Z,  -0.20,  -4.32,  99.90,  -4.52,   0.00,
05/02 15Z,  -0.20,  -4.09,  99.90,  -4.29,   0.00,
05/02 16Z,  -0.20,  -3.72,  99.90,  -3.92,   0.00,
05/02 17Z,  -0.20,  -3.19,  99.90,  -3.39,   0.00,
05/02 18Z,  -0.20,  -2.55,  99.90,  -2.75,   0.00,
05/02 19Z,  -0.20,  -1.85,  99.90,  -2.05,   0.00,
05/02 20Z,  -0.20,  -1.19,  99.90,  -1.39,   0.00,
05/02 21Z,  -0.20,  -0.63,  99.90,  -0.83,   0.00,
05/02 22Z,  -0.20,  -0.26,  99.90,  -0.46,   0.00,
05/02 23Z,  -0.20,  -0.19,  99.90,  -0.39,   0.00,  (max)
05/03 00Z,  -0.20,  -0.48,  99.90,  -0.68,   0.00,
05/03 01Z,  -0.10,  -1.14,  99.90,  -1.24,   0.00,
05/03 02Z,  -0.10,  -2.07,  99.90,  -2.17,   0.00,
05/03 03Z,  -0.10,  -3.14,  99.90,  -3.24,   0.00,
05/03 04Z,  -0.10,  -4.15,  99.90,  -4.25,   0.00,
05/03 05Z,  -0.10,  -5.00,  99.90,  -5.10,   0.00,
05/03 06Z,  -0.10,  -5.60,  99.90,  -5.70,   0.00,
05/03 07Z,  -0.10,  -5.95,  99.90,  -6.05,   0.00,  (min)
05/03 08Z,   0.00,  -6.05,  99.90,  -6.05,   0.00,
05/03 09Z,   0.00,  -5.92,  99.90,  -5.92,   0.00,
05/03 10Z,   0.00,  -5.62,  99.90,  -5.62,   0.00,
05/03 11Z,   0.00,  -5.24,  99.90,  -5.24,   0.00,
05/03 12Z,   0.00,  -4.85,  99.90,  -4.85,   0.00,
05/03 13Z,   0.00,  -4.56,  99.90,  -4.56,   0.00,
05/03 14Z,   0.00,  -4.34,  99.90,  -4.34,   0.00,
05/03 15Z,   0.00,  -4.16,  99.90,  -4.16,   0.00,
05/03 16Z,   0.00,  -3.91,  99.90,  -3.91,   0.00,
05/03 17Z,   0.00,  -3.54,  99.90,  -3.54,   0.00,
05/03 18Z,   0.00,  -3.03,  99.90,  -3.03,   0.00,
05/03 19Z,   0.10,  -2.44,  99.90,  -2.34,   0.00,
05/03 20Z,   0.10,  -1.82,  99.90,  -1.72,   0.00,
05/03 21Z,   0.10,  -1.24,  99.90,  -1.14,   0.00,
05/03 22Z,   0.10,  -0.78,  99.90,  -0.68,   0.00,
05/03 23Z,   0.10,  -0.49,  99.90,  -0.39,   0.00,
05/04 00Z,   0.10,  -0.49,  99.90,  -0.39,   0.00,