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
#Popokamute, AK : 07/20/2025 19:23:00 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/19 00Z,   0.20,  -9.84,  99.90,  -9.64,   0.00,
07/19 01Z,   0.20,  -9.52,  99.90,  -9.32,   0.00,  (min)
07/19 02Z,   0.20,  -8.31,  99.90,  -8.11,   0.00,
07/19 03Z,   0.20,  -6.01,  99.90,  -5.81,   0.00,
07/19 04Z,   0.20,  -3.29,  99.90,  -3.09,   0.00,
07/19 05Z,   0.20,  -1.28,  99.90,  -1.08,   0.00,
07/19 06Z,   0.00,  -0.71,  99.90,  -0.71,   0.00,  (max)
07/19 07Z,   0.00,  -1.66,  99.90,  -1.66,   0.00,
07/19 08Z,   0.00,  -3.44,  99.90,  -3.44,   0.00,
07/19 09Z,   0.10,  -5.32,  99.90,  -5.22,   0.00,
07/19 10Z,   0.20,  -6.89,  99.90,  -6.69,   0.00,
07/19 11Z,   0.20,  -7.96,  99.90,  -7.76,   0.00,
07/19 12Z,   0.10,  -8.48,  99.90,  -8.38,   0.00,  (min)
07/19 13Z,   0.20,  -8.34,  99.90,  -8.14,   0.00,
07/19 14Z,   0.20,  -7.22,  99.90,  -7.02,   0.00,
07/19 15Z,   0.30,  -4.89,  99.90,  -4.59,   0.00,
07/19 16Z,   0.40,  -2.25,  99.90,  -1.85,   0.00,
07/19 17Z,   0.50,  -0.73,  99.90,  -0.23,   0.00,
07/19 18Z,   0.70,  -0.91,  99.90,  -0.21,   0.00,  (max)
07/19 19Z,   0.80,  -2.39,  99.90,  -1.59,   0.00,
07/19 20Z,   0.90,  -4.53,  99.90,  -3.63,   0.00,
07/19 21Z,   1.00,  -6.66,  99.90,  -5.66,   0.00,
07/19 22Z,   1.10,  -8.35,  99.90,  -7.25,   0.00,
07/19 23Z,   1.20,  -9.45,  99.90,  -8.25,   0.00,
07/20 00Z,   1.10, -10.01,  99.90,  -8.91,   0.00,
07/20 01Z,   1.10, -10.12,  99.90,  -9.02,   0.00,  (min)
07/20 02Z,   1.10,  -9.68,  99.90,  -8.58,   0.00,
07/20 03Z,   1.10,  -8.27,  99.90,  -7.17,   0.00,
07/20 04Z,   1.10,  -5.75,  99.90,  -4.65,   0.00,
07/20 05Z,   1.00,  -2.84,  99.90,  -1.84,   0.00,
07/20 06Z,   0.70,  -0.69,  99.90,   0.01,   0.00,
07/20 07Z,   0.60,  -0.06,  99.90,   0.54,   0.00,  (max)
07/20 08Z,   0.50,  -1.02,  99.90,  -0.52,   0.00,
07/20 09Z,   0.40,  -2.88,  99.90,  -2.48,   0.00,
07/20 10Z,   0.30,  -4.88,  99.90,  -4.58,   0.00,
07/20 11Z,   0.20,  -6.57,  99.90,  -6.37,   0.00,
07/20 12Z,   0.00,  -7.75,  99.90,  -7.75,   0.00,
07/20 13Z,   0.00,  -8.32,  99.90,  -8.32,   0.00,  (min)
07/20 14Z,   0.00,  -8.20,  99.90,  -8.20,   0.00,
07/20 15Z,   0.00,  -7.02,  99.90,  -7.02,   0.00,
07/20 16Z,   0.00,  -4.64,  99.90,  -4.64,   0.00,
07/20 17Z,   0.00,  -2.13,  99.90,  -2.13,   0.00,
07/20 18Z,   0.00,  -0.89,  99.90,  -0.89,   0.00,  (max)
07/20 19Z,   0.00,  -1.33,  99.90,  -1.33,   0.00,
07/20 20Z,   0.00,  -2.97,  99.90,  -2.97,   0.00,
07/20 21Z,   0.00,  -5.14,  99.90,  -5.14,   0.00,
07/20 22Z,   0.10,  -7.22,  99.90,  -7.12,   0.00,
07/20 23Z,   0.30,  -8.81,  99.90,  -8.51,   0.00,
07/21 00Z,   0.40,  -9.81,  99.90,  -9.41,   0.00,
07/21 01Z,   0.60, -10.28,  99.90,  -9.68,   0.00,  (min)
07/21 02Z,   0.70, -10.31,  99.90,  -9.61,   0.00,
07/21 03Z,   0.80,  -9.77,  99.90,  -8.97,   0.00,
07/21 04Z,   0.80,  -8.20,  99.90,  -7.40,   0.00,
07/21 05Z,   0.80,  -5.50,  99.90,  -4.70,   0.00,
07/21 06Z,   0.80,  -2.45,  99.90,  -1.65,   0.00,
07/21 07Z,   0.90,  -0.20,  99.90,   0.70,   0.00,
07/21 08Z,   0.90,   0.47,  99.90,   1.37,   0.00,  (max)
07/21 09Z,   1.00,  -0.51,  99.90,   0.49,   0.00,
07/21 10Z,   1.00,  -2.44,  99.90,  -1.44,   0.00,
07/21 11Z,   1.00,  -4.53,  99.90,  -3.53,   0.00,
07/21 12Z,   1.10,  -6.34,  99.90,  -5.24,   0.00,
07/21 13Z,   1.00,  -7.61,  99.90,  -6.61,   0.00,
07/21 14Z,   0.90,  -8.23,  99.90,  -7.33,   0.00,  (min)
07/21 15Z,   0.80,  -8.11,  99.90,  -7.31,   0.00,
07/21 16Z,   0.70,  -6.91,  99.90,  -6.21,   0.00,
07/21 17Z,   0.60,  -4.53,  99.90,  -3.93,   0.00,
07/21 18Z,   0.60,  -2.14,  99.90,  -1.54,   0.00,
07/21 19Z,   0.50,  -1.10,  99.90,  -0.60,   0.00,  (max)
07/21 20Z,   0.50,  -1.70,  99.90,  -1.20,   0.00,
07/21 21Z,   0.50,  -3.41,  99.90,  -2.91,   0.00,
07/21 22Z,   0.50,  -5.58,  99.90,  -5.08,   0.00,
07/21 23Z,   0.40,  -7.59,  99.90,  -7.19,   0.00,
07/22 00Z,   0.30,  -9.11,  99.90,  -8.81,   0.00,
07/22 01Z,   0.20, -10.04,  99.90,  -9.84,   0.00,
07/22 02Z,   0.20, -10.44,  99.90, -10.24,   0.00,
07/22 03Z,   0.10, -10.42,  99.90, -10.32,   0.00,  (min)
07/22 04Z,   0.10,  -9.79,  99.90,  -9.69,   0.00,
07/22 05Z,   0.00,  -8.09,  99.90,  -8.09,   0.00,
07/22 06Z,   0.00,  -5.26,  99.90,  -5.26,   0.00,
07/22 07Z,  -0.10,  -2.11,  99.90,  -2.21,   0.00,
07/22 08Z,  -0.20,   0.18,  99.90,  -0.02,   0.00,
07/22 09Z,  -0.20,   0.85,  99.90,   0.65,   0.00,  (max)
07/22 10Z,  -0.20,  -0.16,  99.90,  -0.36,   0.00,
07/22 11Z,  -0.20,  -2.14,  99.90,  -2.34,   0.00,
07/22 12Z,  -0.30,  -4.32,  99.90,  -4.62,   0.00,
07/22 13Z,  -0.30,  -6.21,  99.90,  -6.51,   0.00,
07/22 14Z,  -0.20,  -7.54,  99.90,  -7.74,   0.00,
07/22 15Z,  -0.20,  -8.18,  99.90,  -8.38,   0.00,  (min)
07/22 16Z,  -0.10,  -8.08,  99.90,  -8.18,   0.00,
07/22 17Z,   0.00,  -6.88,  99.90,  -6.88,   0.00,
07/22 18Z,   0.00,  -4.55,  99.90,  -4.55,   0.00,
07/22 19Z,   0.00,  -2.25,  99.90,  -2.25,   0.00,
07/22 20Z,   0.10,  -1.33,  99.90,  -1.23,   0.00,  (max)
07/22 21Z,   0.20,  -2.00,  99.90,  -1.80,   0.00,
07/22 22Z,   0.30,  -3.73,  99.90,  -3.43,   0.00,
07/22 23Z,   0.40,  -5.86,  99.90,  -5.46,   0.00,
07/23 00Z,   0.50,  -7.81,  99.90,  -7.31,   0.00,
07/23 01Z,   0.50,  -9.26,  99.90,  -8.76,   0.00,
07/23 02Z,   0.50, -10.14,  99.90,  -9.64,   0.00,
07/23 03Z,   0.40, -10.50,  99.90, -10.10,   0.00,
07/23 04Z,   0.30, -10.43,  99.90, -10.13,   0.00,  (min)
07/23 05Z,   0.20,  -9.73,  99.90,  -9.53,   0.00,
07/23 06Z,   0.10,  -7.93,  99.90,  -7.83,   0.00,
07/23 07Z,   0.00,  -5.02,  99.90,  -5.02,   0.00,
07/23 08Z,   0.00,  -1.83,  99.90,  -1.83,   0.00,
07/23 09Z,  -0.10,   0.45,  99.90,   0.35,   0.00,
07/23 10Z,  -0.10,   1.08,  99.90,   0.98,   0.00,  (max)
07/23 11Z,  -0.20,   0.01,  99.90,  -0.19,   0.00,
07/23 12Z,  -0.10,  -2.01,  99.90,  -2.11,   0.00,
07/23 13Z,  -0.10,  -4.24,  99.90,  -4.34,   0.00,
07/23 14Z,  -0.10,  -6.19,  99.90,  -6.29,   0.00,
07/23 15Z,  -0.10,  -7.55,  99.90,  -7.65,   0.00,
07/23 16Z,  -0.10,  -8.20,  99.90,  -8.30,   0.00,  (min)
07/23 17Z,  -0.10,  -8.10,  99.90,  -8.20,   0.00,
07/23 18Z,  -0.10,  -6.93,  99.90,  -7.03,   0.00,
07/23 19Z,   0.00,  -4.67,  99.90,  -4.67,   0.00,
07/23 20Z,   0.00,  -2.43,  99.90,  -2.43,   0.00,
07/23 21Z,   0.00,  -1.56,  99.90,  -1.56,   0.00,  (max)
07/23 22Z,   0.00,  -2.24,  99.90,  -2.24,   0.00,
07/23 23Z,   0.00,  -3.93,  99.90,  -3.93,   0.00,
07/24 00Z,   0.00,  -6.00,  99.90,  -6.00,   0.00,
07/24 01Z,  -0.10,  -7.89,  99.90,  -7.99,   0.00,
07/24 02Z,  -0.10,  -9.30,  99.90,  -9.40,   0.00,
07/24 03Z,  -0.10, -10.13,  99.90, -10.23,   0.00,
07/24 04Z,  -0.10, -10.46,  99.90, -10.56,   0.00,  (min)
07/24 05Z,  -0.10, -10.36,  99.90, -10.46,   0.00,
07/24 06Z,  -0.10,  -9.59,  99.90,  -9.69,   0.00,
07/24 07Z,  -0.20,  -7.71,  99.90,  -7.91,   0.00,
07/24 08Z,  -0.20,  -4.76,  99.90,  -4.96,   0.00,
07/24 09Z,  -0.20,  -1.58,  99.90,  -1.78,   0.00,
07/24 10Z,  -0.20,   0.63,  99.90,   0.43,   0.00,
07/24 11Z,  -0.30,   1.15,  99.90,   0.85,   0.00,  (max)
07/24 12Z,  -0.30,   0.01,  99.90,  -0.29,   0.00,