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
#San Francisco, CA : 04/20/2025 03:24:43 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/18 12Z,   0.10,  -1.75,  -1.61,  99.90,   0.04,
04/18 13Z,   0.20,  -2.85,  -2.75,  99.90,  -0.10,
04/18 14Z,   0.20,  -4.07,  -4.00,  99.90,  -0.13,
04/18 15Z,   0.10,  -5.11,  -4.89,  99.90,   0.12,
04/18 16Z,   0.10,  -5.77,  -5.42,  99.90,   0.25,
04/18 17Z,   0.10,  -5.94,  -5.49,  99.90,   0.35,  (min)
04/18 18Z,   0.10,  -5.69,  -5.28,  99.90,   0.31,
04/18 19Z,   0.10,  -5.15,  -4.78,  99.90,   0.27,
04/18 20Z,   0.10,  -4.44,  -4.05,  99.90,   0.29,
04/18 21Z,   0.10,  -3.70,  -3.38,  99.90,   0.22,
04/18 22Z,   0.10,  -3.01,  -2.61,  99.90,   0.30,
04/18 23Z,   0.10,  -2.46,  -2.11,  99.90,   0.25,
04/19 00Z,   0.10,  -2.12,  -1.79,  99.90,   0.23,
04/19 01Z,   0.10,  -2.02,  -1.71,  99.90,   0.21,  (max)
04/19 02Z,   0.20,  -2.10,  -1.84,  99.90,   0.06,
04/19 03Z,   0.10,  -2.26,  -1.91,  99.90,   0.25,
04/19 04Z,   0.00,  -2.36,  -2.06,  99.90,   0.30,  (min)
04/19 05Z,   0.10,  -2.34,  -2.02,  99.90,   0.22,
04/19 06Z,   0.10,  -2.17,  -1.80,  99.90,   0.27,
04/19 07Z,   0.00,  -1.87,  -1.53,  99.90,   0.34,
04/19 08Z,   0.10,  -1.49,  -1.11,  99.90,   0.28,
04/19 09Z,   0.10,  -1.12,  -0.76,  99.90,   0.26,
04/19 10Z,   0.10,  -0.85,  -0.56,  99.90,   0.19,  (max)
04/19 11Z,   0.00,  -0.84,  -0.67,  99.90,   0.17,
04/19 12Z,   0.10,  -1.21,  -1.16,  99.90,  -0.05,
04/19 13Z,   0.10,  -1.97,  -1.98,  99.90,  -0.11,
04/19 14Z,   0.20,  -3.02,  -3.00,  99.90,  -0.18,
04/19 15Z,   0.10,  -4.16,  -4.09,  99.90,  -0.03,
04/19 16Z,   0.00,  -5.12,  -4.99,  99.90,   0.13,
04/19 17Z,   0.10,  -5.71,  -5.37,  99.90,   0.24,
04/19 18Z,   0.00,  -5.86,  -5.49,  99.90,   0.37,  (min)
04/19 19Z,   0.00,  -5.63,  -5.28,  99.90,   0.35,
04/19 20Z,   0.00,  -5.11,  -4.80,  99.90,   0.31,
04/19 21Z,   0.00,  -4.44,  -4.13,  99.90,   0.31,
04/19 22Z,   0.00,  -3.71,  -3.42,  99.90,   0.29,
04/19 23Z,   0.00,  -3.01,  -2.75,  99.90,   0.26,
04/20 00Z,   0.00,  -2.43,  -2.21,  99.90,   0.22,
04/20 01Z,   0.00,  -2.06,  -1.87,  99.90,   0.19,
04/20 02Z,   0.00,  -1.91,  -1.76,  99.90,   0.15,
04/20 03Z,   0.00,  -1.96,  -1.76,  99.90,   0.20,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/20 04Z,   0.00,  -2.11,  99.90,  -1.91,   0.20,
04/20 05Z,   0.00,  -2.26,  99.90,  -2.06,   0.20,
04/20 06Z,   0.00,  -2.30,  99.90,  -2.10,   0.20,  (min)
04/20 07Z,   0.00,  -2.21,  99.90,  -2.01,   0.19,
04/20 08Z,   0.00,  -1.97,  99.90,  -1.78,   0.19,
04/20 09Z,   0.00,  -1.64,  99.90,  -1.44,   0.19,
04/20 10Z,   0.00,  -1.28,  99.90,  -1.09,   0.19,
04/20 11Z,   0.00,  -1.01,  99.90,  -0.83,   0.19,
04/20 12Z,   0.00,  -0.99,  99.90,  -0.80,   0.19,  (max)
04/20 13Z,   0.00,  -1.32,  99.90,  -1.14,   0.19,
04/20 14Z,   0.00,  -2.04,  99.90,  -1.85,   0.18,
04/20 15Z,   0.00,  -3.04,  99.90,  -2.86,   0.18,
04/20 16Z,   0.00,  -4.13,  99.90,  -3.95,   0.18,
04/20 17Z,   0.00,  -5.06,  99.90,  -4.88,   0.18,
04/20 18Z,   0.00,  -5.65,  99.90,  -5.47,   0.18,
04/20 19Z,   0.00,  -5.83,  99.90,  -5.65,   0.18,  (min)
04/20 20Z,   0.00,  -5.62,  99.90,  -5.44,   0.18,
04/20 21Z,   0.00,  -5.11,  99.90,  -4.93,   0.18,
04/20 22Z,   0.00,  -4.42,  99.90,  -4.24,   0.18,
04/20 23Z,   0.10,  -3.65,  99.90,  -3.37,   0.18,
04/21 00Z,   0.00,  -2.89,  99.90,  -2.71,   0.18,
04/21 01Z,   0.10,  -2.26,  99.90,  -1.98,   0.18,
04/21 02Z,   0.10,  -1.85,  99.90,  -1.56,   0.18,
04/21 03Z,   0.10,  -1.70,  99.90,  -1.42,   0.18,  (max)
04/21 04Z,   0.10,  -1.80,  99.90,  -1.52,   0.18,
04/21 05Z,   0.00,  -2.05,  99.90,  -1.87,   0.18,
04/21 06Z,   0.00,  -2.32,  99.90,  -2.14,   0.18,
04/21 07Z,   0.10,  -2.48,  99.90,  -2.20,   0.18,  (min)
04/21 08Z,   0.10,  -2.47,  99.90,  -2.19,   0.18,
04/21 09Z,   0.10,  -2.26,  99.90,  -1.98,   0.18,
04/21 10Z,   0.10,  -1.91,  99.90,  -1.63,   0.18,
04/21 11Z,   0.10,  -1.50,  99.90,  -1.22,   0.18,
04/21 12Z,   0.10,  -1.17,  99.90,  -0.88,   0.18,
04/21 13Z,   0.10,  -1.07,  99.90,  -0.79,   0.18,  (max)
04/21 14Z,   0.10,  -1.33,  99.90,  -1.05,   0.18,
04/21 15Z,   0.10,  -1.98,  99.90,  -1.70,   0.18,
04/21 16Z,   0.10,  -2.95,  99.90,  -2.67,   0.18,
04/21 17Z,   0.10,  -4.04,  99.90,  -3.76,   0.18,
04/21 18Z,   0.10,  -5.00,  99.90,  -4.72,   0.18,
04/21 19Z,   0.10,  -5.64,  99.90,  -5.35,   0.18,
04/21 20Z,   0.10,  -5.84,  99.90,  -5.55,   0.18,  (min)
04/21 21Z,   0.10,  -5.61,  99.90,  -5.33,   0.18,
04/21 22Z,   0.20,  -5.06,  99.90,  -4.68,   0.18,
04/21 23Z,   0.20,  -4.29,  99.90,  -3.91,   0.18,
04/22 00Z,   0.10,  -3.43,  99.90,  -3.15,   0.18,
04/22 01Z,   0.20,  -2.59,  99.90,  -2.21,   0.18,
04/22 02Z,   0.20,  -1.91,  99.90,  -1.53,   0.18,
04/22 03Z,   0.20,  -1.51,  99.90,  -1.13,   0.18,  (max)
04/22 04Z,   0.10,  -1.45,  99.90,  -1.17,   0.18,
04/22 05Z,   0.20,  -1.71,  99.90,  -1.33,   0.18,
04/22 06Z,   0.10,  -2.16,  99.90,  -1.88,   0.18,
04/22 07Z,   0.10,  -2.62,  99.90,  -2.34,   0.18,
04/22 08Z,   0.10,  -2.92,  99.90,  -2.64,   0.18,  (min)
04/22 09Z,   0.20,  -2.95,  99.90,  -2.57,   0.18,
04/22 10Z,   0.20,  -2.72,  99.90,  -2.33,   0.18,
04/22 11Z,   0.20,  -2.27,  99.90,  -1.89,   0.18,
04/22 12Z,   0.20,  -1.75,  99.90,  -1.36,   0.18,
04/22 13Z,   0.20,  -1.29,  99.90,  -0.91,   0.18,
04/22 14Z,   0.20,  -1.08,  99.90,  -0.70,   0.18,  (max)
04/22 15Z,   0.20,  -1.25,  99.90,  -0.87,   0.18,
04/22 16Z,   0.20,  -1.86,  99.90,  -1.47,   0.18,
04/22 17Z,   0.20,  -2.83,  99.90,  -2.44,   0.18,
04/22 18Z,   0.20,  -3.95,  99.90,  -3.57,   0.18,
04/22 19Z,   0.20,  -4.97,  99.90,  -4.59,   0.18,
04/22 20Z,   0.20,  -5.63,  99.90,  -5.25,   0.18,
04/22 21Z,   0.20,  -5.82,  99.90,  -5.44,   0.18,  (min)
04/22 22Z,   0.20,  -5.53,  99.90,  -5.14,   0.18,
04/22 23Z,   0.20,  -4.87,  99.90,  -4.48,   0.18,
04/23 00Z,   0.20,  -3.97,  99.90,  -3.59,   0.18,
04/23 01Z,   0.30,  -3.00,  99.90,  -2.52,   0.18,
04/23 02Z,   0.30,  -2.09,  99.90,  -1.61,   0.18,
04/23 03Z,   0.20,  -1.41,  99.90,  -1.03,   0.18,
04/23 04Z,   0.20,  -1.10,  99.90,  -0.72,   0.18,  (max)
04/23 05Z,   0.20,  -1.24,  99.90,  -0.86,   0.18,
04/23 06Z,   0.20,  -1.77,  99.90,  -1.39,   0.18,
04/23 07Z,   0.20,  -2.50,  99.90,  -2.12,   0.18,
04/23 08Z,   0.20,  -3.18,  99.90,  -2.80,   0.18,
04/23 09Z,   0.30,  -3.59,  99.90,  -3.11,   0.18,
04/23 10Z,   0.20,  -3.62,  99.90,  -3.23,   0.18,  (min)
04/23 11Z,   0.20,  -3.28,  99.90,  -2.90,   0.18,
04/23 12Z,   0.20,  -2.69,  99.90,  -2.31,   0.18,
04/23 13Z,   0.20,  -2.00,  99.90,  -1.62,   0.18,
04/23 14Z,   0.20,  -1.39,  99.90,  -1.01,   0.18,
04/23 15Z,   0.20,  -1.05,  99.90,  -0.66,   0.18,  (max)
04/23 16Z,   0.20,  -1.13,  99.90,  -0.75,   0.18,
04/23 17Z,   0.20,  -1.71,  99.90,  -1.32,   0.18,
04/23 18Z,   0.10,  -2.70,  99.90,  -2.42,   0.18,
04/23 19Z,  99.90,  -3.89,  99.90,  99.90,   0.18,
04/23 20Z,  99.90,  -4.95,  99.90,  99.90,   0.18,
04/23 21Z,  99.90,  -5.60,  99.90,  99.90,   0.18,
04/23 22Z,  99.90,  -5.70,  99.90,  99.90,   0.18,
04/23 23Z,  99.90,  -5.27,  99.90,  99.90,   0.18,
04/24 00Z,  99.90,  -4.46,  99.90,  99.90,   0.18,