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
#North Spit, CA : 07/01/2025 15:21:44 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
06/30 00Z,   0.20,   5.70,   6.40,  99.90,   0.50,  (max)
06/30 01Z,   0.20,   5.18,   5.86,  99.90,   0.48,
06/30 02Z,   0.30,   4.36,   4.99,  99.90,   0.33,
06/30 03Z,   0.30,   3.49,   4.17,  99.90,   0.38,
06/30 04Z,   0.30,   2.85,   3.55,  99.90,   0.40,
06/30 05Z,   0.20,   2.69,   3.41,  99.90,   0.52,  (min)
06/30 06Z,   0.20,   3.06,   3.79,  99.90,   0.53,
06/30 07Z,   0.20,   3.81,   4.57,  99.90,   0.56,
06/30 08Z,   0.20,   4.69,   5.47,  99.90,   0.58,
06/30 09Z,   0.30,   5.47,   6.26,  99.90,   0.49,
06/30 10Z,   0.30,   5.97,   6.84,  99.90,   0.57,
06/30 11Z,   0.30,   5.97,   6.87,  99.90,   0.60,  (max)
06/30 12Z,   0.20,   5.36,   6.24,  99.90,   0.68,
06/30 13Z,   0.30,   4.24,   5.16,  99.90,   0.62,
06/30 14Z,   0.30,   2.84,   3.79,  99.90,   0.65,
06/30 15Z,   0.30,   1.45,   2.49,  99.90,   0.74,
06/30 16Z,   0.20,   0.35,   1.42,  99.90,   0.87,
06/30 17Z,   0.30,  -0.16,   0.82,  99.90,   0.68,  (min)
06/30 18Z,   0.30,   0.04,   1.02,  99.90,   0.68,
06/30 19Z,   0.30,   0.85,   1.89,  99.90,   0.74,
06/30 20Z,   0.30,   2.03,   3.01,  99.90,   0.68,
06/30 21Z,   0.20,   3.33,   4.29,  99.90,   0.76,
06/30 22Z,   0.20,   4.56,   5.47,  99.90,   0.71,
06/30 23Z,   0.20,   5.47,   6.27,  99.90,   0.60,
07/01 00Z,   0.20,   5.86,   6.74,  99.90,   0.68,  (max)
07/01 01Z,   0.30,   5.68,   6.63,  99.90,   0.65,
07/01 02Z,   0.30,   5.06,   6.00,  99.90,   0.64,
07/01 03Z,   0.30,   4.19,   5.03,  99.90,   0.54,
07/01 04Z,   0.40,   3.32,   4.28,  99.90,   0.56,
07/01 05Z,   0.30,   2.69,   3.69,  99.90,   0.70,
07/01 06Z,   0.30,   2.52,   3.44,  99.90,   0.62,  (min)
07/01 07Z,   0.30,   2.84,   3.79,  99.90,   0.65,
07/01 08Z,   0.40,   3.47,   4.34,  99.90,   0.47,
07/01 09Z,   0.30,   4.21,   5.09,  99.90,   0.58,
07/01 10Z,   0.30,   4.87,   5.76,  99.90,   0.59,
07/01 11Z,   0.40,   5.28,   6.21,  99.90,   0.53,  (max)
07/01 12Z,   0.40,   5.24,   6.20,  99.90,   0.56,
07/01 13Z,   0.40,   4.69,   5.68,  99.90,   0.59,
07/01 14Z,   0.40,   3.74,   4.69,  99.90,   0.55,
07/01 15Z,   0.40,   2.61,   3.65,  99.90,   0.64,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/01 16Z,   0.40,   1.55,  99.90,   2.58,   0.63,
07/01 17Z,   0.40,   0.79,  99.90,   1.81,   0.62,
07/01 18Z,   0.30,   0.55,  99.90,   1.46,   0.61,  (min)
07/01 19Z,   0.40,   0.91,  99.90,   1.92,   0.60,
07/01 20Z,   0.30,   1.77,  99.90,   2.66,   0.59,
07/01 21Z,   0.30,   2.88,  99.90,   3.77,   0.59,
07/01 22Z,   0.30,   4.06,  99.90,   4.93,   0.58,
07/01 23Z,   0.40,   5.10,  99.90,   6.07,   0.57,
07/02 00Z,   0.30,   5.79,  99.90,   6.65,   0.56,
07/02 01Z,   0.30,   5.97,  99.90,   6.83,   0.55,  (max)
07/02 02Z,   0.30,   5.63,  99.90,   6.48,   0.54,
07/02 03Z,   0.30,   4.91,  99.90,   5.75,   0.54,
07/02 04Z,   0.40,   4.01,  99.90,   4.94,   0.54,
07/02 05Z,   0.40,   3.11,  99.90,   4.05,   0.54,
07/02 06Z,   0.30,   2.47,  99.90,   3.30,   0.54,
07/02 07Z,   0.30,   2.26,  99.90,   3.09,   0.54,  (min)
07/02 08Z,   0.30,   2.49,  99.90,   3.32,   0.54,
07/02 09Z,   0.30,   3.01,  99.90,   3.85,   0.54,
07/02 10Z,   0.30,   3.65,  99.90,   4.49,   0.54,
07/02 11Z,   0.30,   4.25,  99.90,   5.08,   0.54,
07/02 12Z,   0.40,   4.63,  99.90,   5.56,   0.54,  (max)
07/02 13Z,   0.40,   4.62,  99.90,   5.55,   0.54,
07/02 14Z,   0.30,   4.19,  99.90,   5.02,   0.54,
07/02 15Z,   0.30,   3.45,  99.90,   4.29,   0.54,
07/02 16Z,   0.30,   2.62,  99.90,   3.45,   0.54,
07/02 17Z,   0.20,   1.86,  99.90,   2.60,   0.54,
07/02 18Z,   0.30,   1.38,  99.90,   2.21,   0.54,
07/02 19Z,   0.30,   1.34,  99.90,   2.18,   0.54,  (min)
07/02 20Z,   0.30,   1.81,  99.90,   2.65,   0.54,
07/02 21Z,   0.20,   2.66,  99.90,   3.39,   0.54,
07/02 22Z,   0.20,   3.68,  99.90,   4.41,   0.54,
07/02 23Z,   0.30,   4.71,  99.90,   5.54,   0.54,
07/03 00Z,   0.30,   5.57,  99.90,   6.40,   0.54,
07/03 01Z,   0.20,   6.06,  99.90,   6.79,   0.54,  (max)
07/03 02Z,   0.20,   6.04,  99.90,   6.78,   0.54,
07/03 03Z,   0.30,   5.55,  99.90,   6.39,   0.54,
07/03 04Z,   0.30,   4.74,  99.90,   5.57,   0.54,
07/03 05Z,   0.20,   3.76,  99.90,   4.50,   0.54,
07/03 06Z,   0.20,   2.82,  99.90,   3.56,   0.54,
07/03 07Z,   0.20,   2.13,  99.90,   2.87,   0.54,
07/03 08Z,   0.30,   1.87,  99.90,   2.71,   0.54,  (min)
07/03 09Z,   0.40,   2.04,  99.90,   2.98,   0.54,
07/03 10Z,   0.40,   2.50,  99.90,   3.44,   0.54,
07/03 11Z,   0.30,   3.10,  99.90,   3.93,   0.54,
07/03 12Z,   0.30,   3.69,  99.90,   4.53,   0.54,
07/03 13Z,   0.30,   4.10,  99.90,   4.94,   0.54,
07/03 14Z,   0.40,   4.19,  99.90,   5.12,   0.54,  (max)
07/03 15Z,   0.30,   3.91,  99.90,   4.75,   0.54,
07/03 16Z,   0.30,   3.41,  99.90,   4.24,   0.54,
07/03 17Z,   0.30,   2.83,  99.90,   3.67,   0.54,
07/03 18Z,   0.30,   2.32,  99.90,   3.15,   0.54,
07/03 19Z,   0.30,   2.03,  99.90,   2.86,   0.54,  (min)
07/03 20Z,   0.30,   2.12,  99.90,   2.96,   0.54,
07/03 21Z,   0.20,   2.64,  99.90,   3.37,   0.54,
07/03 22Z,   0.30,   3.45,  99.90,   4.28,   0.54,
07/03 23Z,   0.30,   4.37,  99.90,   5.21,   0.54,
07/04 00Z,   0.30,   5.26,  99.90,   6.10,   0.54,
07/04 01Z,   0.30,   5.96,  99.90,   6.79,   0.54,
07/04 02Z,   0.30,   6.26,  99.90,   7.09,   0.54,  (max)
07/04 03Z,   0.30,   6.07,  99.90,   6.90,   0.54,
07/04 04Z,   0.30,   5.43,  99.90,   6.27,   0.54,
07/04 05Z,   0.20,   4.51,  99.90,   5.24,   0.54,
07/04 06Z,   0.20,   3.44,  99.90,   4.18,   0.54,
07/04 07Z,   0.20,   2.43,  99.90,   3.17,   0.54,
07/04 08Z,   0.20,   1.70,  99.90,   2.43,   0.54,
07/04 09Z,   0.30,   1.40,  99.90,   2.24,   0.54,  (min)
07/04 10Z,   0.20,   1.55,  99.90,   2.29,   0.54,
07/04 11Z,   0.20,   2.01,  99.90,   2.75,   0.54,
07/04 12Z,   0.30,   2.64,  99.90,   3.47,   0.54,
07/04 13Z,   0.30,   3.29,  99.90,   4.12,   0.54,
07/04 14Z,   0.20,   3.79,  99.90,   4.52,   0.54,
07/04 15Z,   0.20,   3.99,  99.90,   4.73,   0.54,  (max)
07/04 16Z,   0.20,   3.88,  99.90,   4.62,   0.54,
07/04 17Z,   0.20,   3.57,  99.90,   4.30,   0.54,
07/04 18Z,   0.20,   3.18,  99.90,   3.91,   0.54,
07/04 19Z,   0.20,   2.82,  99.90,   3.55,   0.54,
07/04 20Z,   0.10,   2.64,  99.90,   3.28,   0.54,  (min)
07/04 21Z,   0.10,   2.81,  99.90,   3.44,   0.54,
07/04 22Z,   0.10,   3.33,  99.90,   3.97,   0.54,
07/04 23Z,   0.10,   4.10,  99.90,   4.73,   0.54,
07/05 00Z,   0.20,   4.94,  99.90,   5.67,   0.54,
07/05 01Z,   0.10,   5.72,  99.90,   6.35,   0.54,
07/05 02Z,   0.10,   6.27,  99.90,   6.90,   0.54,
07/05 03Z,   0.10,   6.40,  99.90,   7.04,   0.54,  (max)
07/05 04Z,   0.10,   6.04,  99.90,   6.68,   0.54,
07/05 05Z,   0.00,   5.26,  99.90,   5.80,   0.54,
07/05 06Z,   0.00,   4.21,  99.90,   4.74,   0.54,
07/05 07Z,  99.90,   3.04,  99.90,  99.90,   0.54,
07/05 08Z,  99.90,   1.94,  99.90,  99.90,   0.54,
07/05 09Z,  99.90,   1.18,  99.90,  99.90,   0.54,
07/05 10Z,  99.90,   0.90,  99.90,  99.90,   0.54,
07/05 11Z,  99.90,   1.09,  99.90,  99.90,   0.54,
07/05 12Z,  99.90,   1.61,  99.90,  99.90,   0.54,