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
Ketchikan, AK
Sitka, AK
Juneau, AK
Skagway, AK
Elfin Cove, AK
Yakutat, AK
Cordova, AK
Valdez, AK
Seward, AK
Seldovia, AK
Nikiski, AK
Anchorage, AK
Kodiak Island, AK
Alitak, AK
Sand Point, AK
King Cove, AK
Adak Island, AK
Atka, AK
Unalaska, AK
Surge List
Gulf of Alaska
#Fernandina, FL : 04/28/2025 22:20:55 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/27 06Z,   0.00,  -0.39,  -0.45,  99.90,  -0.06,
04/27 07Z,   0.00,  -0.73,  -0.87,  99.90,  -0.14,  (min)
04/27 08Z,   0.00,   0.05,   0.03,  99.90,  -0.02,
04/27 09Z,   0.00,   1.53,   1.61,  99.90,   0.08,
04/27 10Z,   0.00,   3.28,   3.23,  99.90,  -0.05,
04/27 11Z,   0.00,   4.90,   4.84,  99.90,  -0.06,
04/27 12Z,   0.00,   6.06,   5.98,  99.90,  -0.08,
04/27 13Z,   0.00,   6.53,   6.42,  99.90,  -0.11,  (max)
04/27 14Z,   0.00,   6.14,   6.00,  99.90,  -0.14,
04/27 15Z,   0.00,   4.84,   4.63,  99.90,  -0.21,
04/27 16Z,   0.00,   2.93,   2.76,  99.90,  -0.17,
04/27 17Z,   0.00,   0.95,   0.78,  99.90,  -0.17,
04/27 18Z,   0.00,  -0.57,  -0.79,  99.90,  -0.22,
04/27 19Z,   0.00,  -1.10,  -1.14,  99.90,  -0.04,  (min)
04/27 20Z,   0.00,  -0.39,  -0.12,  99.90,   0.27,
04/27 21Z,   0.00,   1.26,   1.72,  99.90,   0.46,
04/27 22Z,   0.10,   3.32,   3.79,  99.90,   0.37,
04/27 23Z,   0.20,   5.30,   5.89,  99.90,   0.39,
04/28 00Z,   0.20,   6.84,   7.32,  99.90,   0.28,
04/28 01Z,   0.20,   7.69,   8.17,  99.90,   0.28,
04/28 02Z,   0.30,   7.68,   8.21,  99.90,   0.23,  (max)
04/28 03Z,   0.30,   6.72,   7.14,  99.90,   0.12,
04/28 04Z,   0.30,   4.92,   5.49,  99.90,   0.27,
04/28 05Z,   0.30,   2.75,   3.55,  99.90,   0.50,
04/28 06Z,   0.30,   0.73,   1.73,  99.90,   0.70,
04/28 07Z,   0.30,  -0.60,   0.30,  99.90,   0.60,
04/28 08Z,   0.30,  -0.79,   0.00,  99.90,   0.49,  (min)
04/28 09Z,   0.30,   0.13,   1.04,  99.90,   0.61,
04/28 10Z,   0.30,   1.70,   2.72,  99.90,   0.72,
04/28 11Z,   0.30,   3.46,   4.36,  99.90,   0.60,
04/28 12Z,   0.50,   5.04,   5.89,  99.90,   0.35,
04/28 13Z,   0.50,   6.11,   6.85,  99.90,   0.24,
04/28 14Z,   0.50,   6.47,   7.21,  99.90,   0.24,  (max)
04/28 15Z,   0.50,   5.96,   6.58,  99.90,   0.12,
04/28 16Z,   0.50,   4.53,   5.16,  99.90,   0.13,
04/28 17Z,   0.50,   2.56,   3.32,  99.90,   0.26,
04/28 18Z,   0.50,   0.60,   1.46,  99.90,   0.36,
04/28 19Z,   0.50,  -0.79,  -0.06,  99.90,   0.23,
04/28 20Z,   0.40,  -1.10,  -0.49,  99.90,   0.21,  (min)
04/28 21Z,   0.50,  -0.17,   0.54,  99.90,   0.21,
04/28 22Z,   0.60,   1.61,   2.35,  99.90,   0.14,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/28 23Z,   0.60,   3.67,  99.90,   4.41,   0.14,
04/29 00Z,   0.60,   5.59,  99.90,   6.33,   0.13,
04/29 01Z,   0.60,   7.03,  99.90,   7.76,   0.13,
04/29 02Z,   0.60,   7.77,  99.90,   8.50,   0.12,  0.03 ft above HAT  (max)
04/29 03Z,   0.60,   7.66,  99.90,   8.38,   0.12,
04/29 04Z,   0.50,   6.57,  99.90,   7.19,   0.12,
04/29 05Z,   0.50,   4.69,  99.90,   5.30,   0.11,
04/29 06Z,   0.50,   2.49,  99.90,   3.10,   0.11,
04/29 07Z,   0.60,   0.54,  99.90,   1.24,   0.10,
04/29 08Z,   0.60,  -0.63,  99.90,   0.06,   0.10,
04/29 09Z,   0.60,  -0.64,  99.90,   0.05,   0.09,  (min)
04/29 10Z,   0.60,   0.38,  99.90,   1.07,   0.09,
04/29 11Z,   0.50,   1.95,  99.90,   2.54,   0.09,
04/29 12Z,   0.50,   3.64,  99.90,   4.23,   0.09,
04/29 13Z,   0.50,   5.10,  99.90,   5.69,   0.09,
04/29 14Z,   0.40,   6.06,  99.90,   6.55,   0.09,
04/29 15Z,   0.40,   6.32,  99.90,   6.81,   0.09,  (max)
04/29 16Z,   0.30,   5.69,  99.90,   6.08,   0.09,
04/29 17Z,   0.30,   4.20,  99.90,   4.58,   0.09,
04/29 18Z,   0.30,   2.24,  99.90,   2.63,   0.09,
04/29 19Z,   0.30,   0.39,  99.90,   0.78,   0.09,
04/29 20Z,   0.30,  -0.80,  99.90,  -0.41,   0.09,
04/29 21Z,   0.30,  -0.88,  99.90,  -0.49,   0.09,  (min)
04/29 22Z,   0.30,   0.20,  99.90,   0.59,   0.09,
04/29 23Z,   0.30,   1.98,  99.90,   2.36,   0.09,
04/30 00Z,   0.30,   3.94,  99.90,   4.33,   0.09,
04/30 01Z,   0.30,   5.71,  99.90,   6.10,   0.09,
04/30 02Z,   0.30,   7.02,  99.90,   7.41,   0.09,
04/30 03Z,   0.30,   7.65,  99.90,   8.04,   0.09,  (max)
04/30 04Z,   0.30,   7.44,  99.90,   7.83,   0.09,
04/30 05Z,   0.30,   6.27,  99.90,   6.66,   0.09,
04/30 06Z,   0.30,   4.38,  99.90,   4.77,   0.09,
04/30 07Z,   0.30,   2.28,  99.90,   2.67,   0.09,
04/30 08Z,   0.30,   0.49,  99.90,   0.88,   0.09,
04/30 09Z,   0.30,  -0.48,  99.90,  -0.09,   0.09,  (min)
04/30 10Z,   0.30,  -0.33,  99.90,   0.06,   0.09,
04/30 11Z,   0.30,   0.72,  99.90,   1.10,   0.09,
04/30 12Z,   0.30,   2.20,  99.90,   2.58,   0.09,
04/30 13Z,   0.20,   3.75,  99.90,   4.04,   0.09,
04/30 14Z,   0.20,   5.09,  99.90,   5.38,   0.09,
04/30 15Z,   0.20,   5.94,  99.90,   6.23,   0.09,
04/30 16Z,   0.20,   6.10,  99.90,   6.39,   0.09,  (max)
04/30 17Z,   0.20,   5.39,  99.90,   5.68,   0.09,
04/30 18Z,   0.20,   3.88,  99.90,   4.17,   0.09,
04/30 19Z,   0.20,   2.03,  99.90,   2.31,   0.09,
04/30 20Z,   0.20,   0.37,  99.90,   0.66,   0.09,
04/30 21Z,   0.20,  -0.59,  99.90,  -0.30,   0.09,  (min)
04/30 22Z,   0.20,  -0.48,  99.90,  -0.20,   0.09,
04/30 23Z,   0.20,   0.62,  99.90,   0.91,   0.09,
05/01 00Z,   0.30,   2.28,  99.90,   2.67,   0.09,
05/01 01Z,   0.30,   4.06,  99.90,   4.45,   0.09,
05/01 02Z,   0.30,   5.67,  99.90,   6.05,   0.09,
05/01 03Z,   0.30,   6.84,  99.90,   7.22,   0.09,
05/01 04Z,   0.20,   7.37,  99.90,   7.66,   0.09,  (max)
05/01 05Z,   0.20,   7.08,  99.90,   7.37,   0.09,
05/01 06Z,   0.20,   5.89,  99.90,   6.18,   0.09,
05/01 07Z,   0.20,   4.08,  99.90,   4.37,   0.09,
05/01 08Z,   0.20,   2.16,  99.90,   2.44,   0.09,
05/01 09Z,   0.20,   0.59,  99.90,   0.88,   0.09,
05/01 10Z,   0.20,  -0.17,  99.90,   0.11,   0.09,  (min)
05/01 11Z,   0.20,   0.06,  99.90,   0.35,   0.09,
05/01 12Z,   0.20,   1.04,  99.90,   1.33,   0.09,
05/01 13Z,   0.10,   2.38,  99.90,   2.57,   0.09,
05/01 14Z,   0.10,   3.80,  99.90,   3.98,   0.09,
05/01 15Z,   0.00,   5.01,  99.90,   5.10,   0.09,
05/01 16Z,   0.00,   5.76,  99.90,   5.85,   0.09,
05/01 17Z,   0.00,   5.85,  99.90,   5.93,   0.09,  (max)
05/01 18Z,   0.10,   5.09,  99.90,   5.28,   0.09,
05/01 19Z,   0.10,   3.64,  99.90,   3.83,   0.09,
05/01 20Z,   0.10,   1.97,  99.90,   2.16,   0.09,
05/01 21Z,   0.10,   0.55,  99.90,   0.74,   0.09,
05/01 22Z,   0.10,  -0.21,  99.90,  -0.02,   0.09,  (min)
05/01 23Z,   0.20,  -0.03,  99.90,   0.26,   0.09,
05/02 00Z,   0.20,   1.00,  99.90,   1.29,   0.09,
05/02 01Z,   0.20,   2.46,  99.90,   2.75,   0.09,
05/02 02Z,   0.20,   4.05,  99.90,   4.34,   0.09,
05/02 03Z,   0.20,   5.50,  99.90,   5.79,   0.09,
05/02 04Z,   0.20,   6.55,  99.90,   6.84,   0.09,
05/02 05Z,   0.20,   7.00,  99.90,   7.29,   0.09,  (max)
05/02 06Z,   0.20,   6.65,  99.90,   6.94,   0.09,
05/02 07Z,   0.10,   5.49,  99.90,   5.68,   0.09,
05/02 08Z,   0.10,   3.84,  99.90,   4.03,   0.09,
05/02 09Z,   0.10,   2.14,  99.90,   2.33,   0.09,
05/02 10Z,   0.10,   0.80,  99.90,   0.98,   0.09,
05/02 11Z,   0.00,   0.17,  99.90,   0.26,   0.09,  (min)
05/02 12Z,   0.00,   0.41,  99.90,   0.50,   0.09,
05/02 13Z,  99.90,   1.28,  99.90,  99.90,   0.09,
05/02 14Z,  99.90,   2.48,  99.90,  99.90,   0.09,
05/02 15Z,  99.90,   3.79,  99.90,  99.90,   0.09,
05/02 16Z,  99.90,   4.90,  99.90,  99.90,   0.09,
05/02 17Z,  99.90,   5.58,  99.90,  99.90,   0.09,
05/02 18Z,  99.90,   5.60,  99.90,  99.90,   0.09,