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
#Seward, AK : 11/12/2025 09:21:40 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
11/10 18Z,   1.20,  -8.79,  -8.86,  99.90,  -1.27,
11/10 19Z,   1.20,  -9.40,  -9.49,  99.90,  -1.29,  (min)
11/10 20Z,   1.40,  -9.15,  -9.21,  99.90,  -1.46,
11/10 21Z,   1.50,  -8.12,  -8.27,  99.90,  -1.65,
11/10 22Z,   1.60,  -6.58,  -6.85,  99.90,  -1.87,
11/10 23Z,   1.50,  -4.91,  -5.20,  99.90,  -1.79,
11/11 00Z,   1.50,  -3.54,  -3.85,  99.90,  -1.81,
11/11 01Z,   1.50,  -2.87,  -3.20,  99.90,  -1.83,  (max)
11/11 02Z,   1.60,  -3.14,  -3.40,  99.90,  -1.86,
11/11 03Z,   1.60,  -4.32,  -4.55,  99.90,  -1.83,
11/11 04Z,   1.50,  -6.25,  -6.35,  99.90,  -1.60,
11/11 05Z,   1.50,  -8.63,  -8.71,  99.90,  -1.58,
11/11 06Z,   1.60, -11.01, -10.87,  99.90,  -1.46,
11/11 07Z,   1.60, -12.85, -12.63,  99.90,  -1.38,
11/11 08Z,   1.60, -13.72, -13.51,  99.90,  -1.39,  (min)
11/11 09Z,   1.60, -13.53, -13.49,  99.90,  -1.56,
11/11 10Z,   1.60, -12.42, -12.45,  99.90,  -1.63,
11/11 11Z,   1.50, -10.69, -10.81,  99.90,  -1.62,
11/11 12Z,   1.70,  -8.72,  -8.96,  99.90,  -1.94,
11/11 13Z,   1.60,  -6.93,  -7.21,  99.90,  -1.88,
11/11 14Z,   1.40,  -5.69,  -5.91,  99.90,  -1.62,
11/11 15Z,   1.30,  -5.16,  -5.49,  99.90,  -1.63,  (max)
11/11 16Z,   1.20,  -5.34,  -5.62,  99.90,  -1.48,
11/11 17Z,   1.20,  -6.12,  -6.32,  99.90,  -1.40,
11/11 18Z,   1.40,  -7.26,  -7.47,  99.90,  -1.61,
11/11 19Z,   1.40,  -8.35,  -8.57,  99.90,  -1.62,
11/11 20Z,   1.30,  -8.98,  -9.09,  99.90,  -1.41,
11/11 21Z,   1.30,  -8.95,  -9.13,  99.90,  -1.48,  (min)
11/11 22Z,   1.30,  -8.28,  -8.55,  99.90,  -1.57,
11/11 23Z,   1.20,  -7.17,  -7.53,  99.90,  -1.56,
11/12 00Z,   1.20,  -5.87,  -6.41,  99.90,  -1.74,
11/12 01Z,   1.10,  -4.73,  -5.31,  99.90,  -1.68,
11/12 02Z,   1.00,  -4.10,  -4.66,  99.90,  -1.56,  (max)
11/12 03Z,   1.00,  -4.19,  -4.76,  99.90,  -1.57,
11/12 04Z,   0.80,  -5.02,  -5.56,  99.90,  -1.34,
11/12 05Z,   0.90,  -6.51,  -7.00,  99.90,  -1.39,
11/12 06Z,   0.90,  -8.45,  -8.88,  99.90,  -1.33,
11/12 07Z,   0.90, -10.44, -10.66,  99.90,  -1.12,
11/12 08Z,   0.90, -12.02, -12.24,  99.90,  -1.12,
11/12 09Z,   1.00, -12.83, -13.00,  99.90,  -1.17,  (min)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
11/12 10Z,   1.00, -12.77,  99.90, -12.97,  -1.20,
11/12 11Z,   1.00, -11.91,  99.90, -12.14,  -1.23,
11/12 12Z,   1.00, -10.45,  99.90, -10.71,  -1.27,
11/12 13Z,   0.90,  -8.69,  99.90,  -9.09,  -1.30,
11/12 14Z,   0.90,  -7.02,  99.90,  -7.45,  -1.33,
11/12 15Z,   0.80,  -5.77,  99.90,  -6.33,  -1.36,
11/12 16Z,   0.70,  -5.12,  99.90,  -5.82,  -1.40,  (max)
11/12 17Z,   0.70,  -5.15,  99.90,  -5.88,  -1.43,
11/12 18Z,   0.70,  -5.80,  99.90,  -6.56,  -1.46,
11/12 19Z,   0.80,  -6.88,  99.90,  -7.57,  -1.50,
11/12 20Z,   0.80,  -8.02,  99.90,  -8.75,  -1.53,
11/12 21Z,   0.90,  -8.85,  99.90,  -9.51,  -1.56,
11/12 22Z,   0.90,  -9.13,  99.90,  -9.80,  -1.56,  (min)
11/12 23Z,   1.00,  -8.85,  99.90,  -9.42,  -1.56,
11/13 00Z,   1.00,  -8.09,  99.90,  -8.65,  -1.56,
11/13 01Z,   1.10,  -7.02,  99.90,  -7.48,  -1.56,
11/13 02Z,   1.00,  -5.94,  99.90,  -6.50,  -1.56,
11/13 03Z,   1.10,  -5.19,  99.90,  -5.65,  -1.56,
11/13 04Z,   1.10,  -4.99,  99.90,  -5.46,  -1.56,  (max)
11/13 05Z,   1.00,  -5.45,  99.90,  -6.01,  -1.56,
11/13 06Z,   1.00,  -6.54,  99.90,  -7.11,  -1.56,
11/13 07Z,   0.90,  -8.12,  99.90,  -8.79,  -1.56,
11/13 08Z,   0.90,  -9.86,  99.90, -10.52,  -1.56,
11/13 09Z,   0.90, -11.31,  99.90, -11.97,  -1.56,
11/13 10Z,   0.90, -12.14,  99.90, -12.80,  -1.56,  (min)
11/13 11Z,   1.00, -12.20,  99.90, -12.76,  -1.56,
11/13 12Z,   1.00, -11.51,  99.90, -12.07,  -1.56,
11/13 13Z,   1.00, -10.19,  99.90, -10.75,  -1.56,
11/13 14Z,   1.00,  -8.50,  99.90,  -9.06,  -1.56,
11/13 15Z,   1.00,  -6.82,  99.90,  -7.38,  -1.56,
11/13 16Z,   1.20,  -5.50,  99.90,  -5.87,  -1.56,
11/13 17Z,   1.20,  -4.77,  99.90,  -5.14,  -1.56,
11/13 18Z,   1.20,  -4.75,  99.90,  -5.11,  -1.56,  (max)
11/13 19Z,   1.20,  -5.42,  99.90,  -5.79,  -1.56,
11/13 20Z,   1.20,  -6.63,  99.90,  -6.99,  -1.56,
11/13 21Z,   1.20,  -7.98,  99.90,  -8.35,  -1.56,
11/13 22Z,   1.10,  -9.10,  99.90,  -9.56,  -1.56,
11/13 23Z,   1.10,  -9.72,  99.90, -10.19,  -1.56,
11/14 00Z,   1.10,  -9.74,  99.90, -10.21,  -1.56,  (min)
11/14 01Z,   1.00,  -9.17,  99.90,  -9.73,  -1.56,
11/14 02Z,   1.00,  -8.13,  99.90,  -8.69,  -1.56,
11/14 03Z,   1.00,  -6.94,  99.90,  -7.50,  -1.56,
11/14 04Z,   0.90,  -5.95,  99.90,  -6.62,  -1.56,
11/14 05Z,   1.00,  -5.46,  99.90,  -6.02,  -1.56,  (max)
11/14 06Z,   1.00,  -5.60,  99.90,  -6.17,  -1.56,
11/14 07Z,   1.00,  -6.42,  99.90,  -6.98,  -1.56,
11/14 08Z,   1.10,  -7.79,  99.90,  -8.26,  -1.56,
11/14 09Z,   1.20,  -9.40,  99.90,  -9.76,  -1.56,
11/14 10Z,   1.10, -10.81,  99.90, -11.27,  -1.56,
11/14 11Z,   1.10, -11.66,  99.90, -12.12,  -1.56,
11/14 12Z,   1.10, -11.77,  99.90, -12.24,  -1.56,  (min)
11/14 13Z,   1.00, -11.12,  99.90, -11.68,  -1.56,
11/14 14Z,   1.00,  -9.77,  99.90, -10.33,  -1.56,
11/14 15Z,   1.00,  -8.02,  99.90,  -8.58,  -1.56,
11/14 16Z,   1.00,  -6.27,  99.90,  -6.83,  -1.56,
11/14 17Z,   1.30,  -4.91,  99.90,  -5.18,  -1.56,
11/14 18Z,   1.00,  -4.21,  99.90,  -4.78,  -1.56,
11/14 19Z,   1.40,  -4.31,  99.90,  -4.47,  -1.56,  (max)
11/14 20Z,   1.40,  -5.20,  99.90,  -5.36,  -1.56,
11/14 21Z,   1.10,  -6.68,  99.90,  -7.15,  -1.56,
11/14 22Z,   1.20,  -8.35,  99.90,  -8.71,  -1.56,
11/14 23Z,   1.60,  -9.77,  99.90,  -9.73,  -1.56,
11/15 00Z,   1.30, -10.63,  99.90, -10.89,  -1.56,
11/15 01Z,   1.10, -10.78,  99.90, -11.24,  -1.56,  (min)
11/15 02Z,   1.30, -10.17,  99.90, -10.44,  -1.56,
11/15 03Z,   1.60,  -8.98,  99.90,  -8.94,  -1.56,
11/15 04Z,   1.50,  -7.55,  99.90,  -7.62,  -1.56,
11/15 05Z,   1.50,  -6.32,  99.90,  -6.38,  -1.56,
11/15 06Z,   1.70,  -5.58,  99.90,  -5.45,  -1.56,
11/15 07Z,   1.80,  -5.54,  99.90,  -5.30,  -1.56,  (max)
11/15 08Z,   1.80,  -6.24,  99.90,  -6.00,  -1.56,
11/15 09Z,   1.80,  -7.56,  99.90,  -7.32,  -1.56,
11/15 10Z,   1.80,  -9.14,  99.90,  -8.90,  -1.56,
11/15 11Z,   1.80, -10.53,  99.90, -10.29,  -1.56,
11/15 12Z,   1.80, -11.34,  99.90, -11.11,  -1.56,
11/15 13Z,   1.80, -11.39,  99.90, -11.15,  -1.56,  (min)
11/15 14Z,   1.80, -10.60,  99.90, -10.36,  -1.56,
11/15 15Z,   1.80,  -9.09,  99.90,  -8.85,  -1.56,
11/15 16Z,   1.80,  -7.20,  99.90,  -6.97,  -1.56,
11/15 17Z,   1.80,  -5.41,  99.90,  -5.18,  -1.56,
11/15 18Z,   1.90,  -4.13,  99.90,  -3.80,  -1.56,
11/15 19Z,   1.80,  -3.63,  99.90,  -3.39,  -1.56,  (max)
11/15 20Z,   1.70,  -4.03,  99.90,  -3.90,  -1.56,
11/15 21Z,   1.60,  -5.30,  99.90,  -5.27,  -1.56,
11/15 22Z,   1.50,  -7.17,  99.90,  -7.23,  -1.56,
11/15 23Z,   1.50,  -9.15,  99.90,  -9.21,  -1.56,
11/16 00Z,   1.40, -10.77,  99.90, -10.93,  -1.56,
11/16 01Z,  99.90, -11.69,  99.90,  99.90,  -1.56,
11/16 02Z,  99.90, -11.74,  99.90,  99.90,  -1.56,
11/16 03Z,  99.90, -10.90,  99.90,  99.90,  -1.56,
11/16 04Z,  99.90,  -9.41,  99.90,  99.90,  -1.56,
11/16 05Z,  99.90,  -7.71,  99.90,  99.90,  -1.56,
11/16 06Z,  99.90,  -6.27,  99.90,  99.90,  -1.56,