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
#Mytle Beach, Springmaid Pier, SC : 04/29/2025 19:20:50 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/28 00Z,   0.40,   6.86,   7.45,  99.90,   0.19,  (max)
04/28 01Z,   0.40,   6.36,   6.65,  99.90,  -0.11,
04/28 02Z,   0.40,   5.12,   5.34,  99.90,  -0.18,
04/28 03Z,   0.40,   3.45,   3.88,  99.90,   0.03,
04/28 04Z,   0.30,   1.71,   2.21,  99.90,   0.20,
04/28 05Z,   0.30,   0.23,   0.71,  99.90,   0.18,
04/28 06Z,   0.40,  -0.66,  -0.24,  99.90,   0.02,
04/28 07Z,   0.40,  -0.72,  -0.35,  99.90,  -0.03,  (min)
04/28 08Z,   0.40,   0.05,   0.34,  99.90,  -0.11,
04/28 09Z,   0.40,   1.47,   1.99,  99.90,   0.12,
04/28 10Z,   0.40,   3.15,   3.78,  99.90,   0.23,
04/28 11Z,   0.40,   4.63,   5.26,  99.90,   0.23,
04/28 12Z,   0.40,   5.47,   5.92,  99.90,   0.05,  (max)
04/28 13Z,   0.40,   5.43,   5.73,  99.90,  -0.10,
04/28 14Z,   0.40,   4.57,   4.71,  99.90,  -0.26,
04/28 15Z,   0.40,   3.14,   3.22,  99.90,  -0.32,
04/28 16Z,   0.40,   1.51,   1.61,  99.90,  -0.30,
04/28 17Z,   0.40,   0.07,   0.23,  99.90,  -0.24,
04/28 18Z,   0.50,  -0.81,  -0.68,  99.90,  -0.37,  (min)
04/28 19Z,   0.50,  -0.85,  -0.59,  99.90,  -0.24,
04/28 20Z,   0.50,   0.05,   0.40,  99.90,  -0.15,
04/28 21Z,   0.50,   1.67,   2.09,  99.90,  -0.08,
04/28 22Z,   0.50,   3.63,   4.11,  99.90,  -0.02,
04/28 23Z,   0.50,   5.43,   6.00,  99.90,   0.07,
04/29 00Z,   0.50,   6.61,   7.11,  99.90,   0.00,
04/29 01Z,   0.50,   6.89,   7.29,  99.90,  -0.10,  (max)
04/29 02Z,   0.50,   6.26,   6.60,  99.90,  -0.16,
04/29 03Z,   0.50,   4.94,   5.17,  99.90,  -0.27,
04/29 04Z,   0.40,   3.27,   3.41,  99.90,  -0.26,
04/29 05Z,   0.40,   1.56,   1.77,  99.90,  -0.19,
04/29 06Z,   0.40,   0.14,   0.40,  99.90,  -0.14,
04/29 07Z,   0.40,  -0.65,  -0.46,  99.90,  -0.21,  (min)
04/29 08Z,   0.40,  -0.62,  -0.32,  99.90,  -0.10,
04/29 09Z,   0.40,   0.24,   0.49,  99.90,  -0.15,
04/29 10Z,   0.40,   1.67,   1.93,  99.90,  -0.14,
04/29 11Z,   0.30,   3.29,   3.53,  99.90,  -0.06,
04/29 12Z,   0.30,   4.64,   4.75,  99.90,  -0.19,
04/29 13Z,   0.20,   5.33,   5.44,  99.90,  -0.09,  (max)
04/29 14Z,   0.30,   5.18,   5.16,  99.90,  -0.32,
04/29 15Z,   0.30,   4.28,   4.16,  99.90,  -0.42,
04/29 16Z,   0.20,   2.89,   2.60,  99.90,  -0.49,
04/29 17Z,   0.20,   1.34,   0.98,  99.90,  -0.56,
04/29 18Z,   0.20,   0.00,  -0.37,  99.90,  -0.57,
04/29 19Z,   0.20,  -0.74,  -1.10,  99.90,  -0.56,  (min)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/29 20Z,   0.20,  -0.64,  99.90,  -0.95,  -0.52,
04/29 21Z,   0.30,   0.36,  99.90,   0.18,  -0.48,
04/29 22Z,   0.30,   2.00,  99.90,   1.87,  -0.44,
04/29 23Z,   0.30,   3.89,  99.90,   3.79,  -0.40,
04/30 00Z,   0.30,   5.53,  99.90,   5.47,  -0.36,
04/30 01Z,   0.30,   6.53,  99.90,   6.51,  -0.32,
04/30 02Z,   0.30,   6.67,  99.90,   6.69,  -0.28,  (max)
04/30 03Z,   0.30,   5.99,  99.90,   6.05,  -0.24,
04/30 04Z,   0.30,   4.70,  99.90,   4.80,  -0.20,
04/30 05Z,   0.30,   3.10,  99.90,   3.24,  -0.16,
04/30 06Z,   0.30,   1.49,  99.90,   1.66,  -0.12,
04/30 07Z,   0.30,   0.18,  99.90,   0.40,  -0.08,
04/30 08Z,   0.30,  -0.49,  99.90,  -0.27,  -0.08,  (min)
04/30 09Z,   0.30,  -0.36,  99.90,  -0.14,  -0.08,
04/30 10Z,   0.30,   0.52,  99.90,   0.74,  -0.08,
04/30 11Z,   0.20,   1.88,  99.90,   2.00,  -0.08,
04/30 12Z,   0.20,   3.35,  99.90,   3.47,  -0.08,
04/30 13Z,   0.20,   4.53,  99.90,   4.65,  -0.08,
04/30 14Z,   0.20,   5.09,  99.90,   5.20,  -0.08,  (max)
04/30 15Z,   0.20,   4.89,  99.90,   5.01,  -0.08,
04/30 16Z,   0.20,   4.03,  99.90,   4.15,  -0.08,
04/30 17Z,   0.20,   2.73,  99.90,   2.85,  -0.08,
04/30 18Z,   0.20,   1.29,  99.90,   1.41,  -0.08,
04/30 19Z,   0.30,   0.09,  99.90,   0.30,  -0.08,
04/30 20Z,   0.30,  -0.53,  99.90,  -0.31,  -0.08,  (min)
04/30 21Z,   0.30,  -0.32,  99.90,  -0.10,  -0.08,
04/30 22Z,   0.20,   0.70,  99.90,   0.82,  -0.08,
04/30 23Z,   0.20,   2.27,  99.90,   2.39,  -0.08,
05/01 00Z,   0.20,   3.97,  99.90,   4.09,  -0.08,
05/01 01Z,   0.20,   5.41,  99.90,   5.52,  -0.08,
05/01 02Z,   0.20,   6.24,  99.90,   6.35,  -0.08,
05/01 03Z,   0.20,   6.30,  99.90,   6.42,  -0.08,  (max)
05/01 04Z,   0.10,   5.65,  99.90,   5.67,  -0.08,
05/01 05Z,   0.10,   4.46,  99.90,   4.48,  -0.08,
05/01 06Z,   0.10,   2.98,  99.90,   3.00,  -0.08,
05/01 07Z,   0.10,   1.50,  99.90,   1.52,  -0.08,
05/01 08Z,   0.10,   0.34,  99.90,   0.36,  -0.08,
05/01 09Z,   0.10,  -0.21,  99.90,  -0.19,  -0.08,  (min)
05/01 10Z,   0.10,  -0.01,  99.90,   0.00,  -0.08,
05/01 11Z,   0.10,   0.82,  99.90,   0.84,  -0.08,
05/01 12Z,   0.00,   2.04,  99.90,   1.96,  -0.08,
05/01 13Z,   0.00,   3.32,  99.90,   3.24,  -0.08,
05/01 14Z,   0.00,   4.34,  99.90,   4.26,  -0.08,
05/01 15Z,   0.00,   4.82,  99.90,   4.74,  -0.08,  (max)
05/01 16Z,   0.10,   4.64,  99.90,   4.66,  -0.08,
05/01 17Z,   0.10,   3.87,  99.90,   3.88,  -0.08,
05/01 18Z,   0.10,   2.68,  99.90,   2.70,  -0.08,
05/01 19Z,   0.20,   1.37,  99.90,   1.48,  -0.08,
05/01 20Z,   0.20,   0.29,  99.90,   0.40,  -0.08,
05/01 21Z,   0.20,  -0.21,  99.90,  -0.10,  -0.08,  (min)
05/01 22Z,   0.20,   0.05,  99.90,   0.17,  -0.08,
05/01 23Z,   0.30,   1.01,  99.90,   1.23,  -0.08,
05/02 00Z,   0.30,   2.41,  99.90,   2.62,  -0.08,
05/02 01Z,   0.30,   3.88,  99.90,   4.10,  -0.08,
05/02 02Z,   0.20,   5.11,  99.90,   5.23,  -0.08,
05/02 03Z,   0.20,   5.82,  99.90,   5.94,  -0.08,
05/02 04Z,   0.30,   5.88,  99.90,   6.10,  -0.08,  (max)
05/02 05Z,   0.30,   5.31,  99.90,   5.53,  -0.08,
05/02 06Z,   0.30,   4.24,  99.90,   4.46,  -0.08,
05/02 07Z,   0.30,   2.90,  99.90,   3.12,  -0.08,
05/02 08Z,   0.30,   1.57,  99.90,   1.79,  -0.08,
05/02 09Z,   0.30,   0.57,  99.90,   0.79,  -0.08,
05/02 10Z,   0.20,   0.13,  99.90,   0.25,  -0.08,  (min)
05/02 11Z,   0.20,   0.33,  99.90,   0.45,  -0.08,
05/02 12Z,   0.20,   1.06,  99.90,   1.18,  -0.08,
05/02 13Z,   0.20,   2.10,  99.90,   2.22,  -0.08,
05/02 14Z,   0.20,   3.22,  99.90,   3.33,  -0.08,
05/02 15Z,   0.20,   4.13,  99.90,   4.25,  -0.08,
05/02 16Z,   0.20,   4.60,  99.90,   4.72,  -0.08,  (max)
05/02 17Z,   0.20,   4.49,  99.90,   4.60,  -0.08,
05/02 18Z,   0.20,   3.80,  99.90,   3.92,  -0.08,
05/02 19Z,   0.20,   2.72,  99.90,   2.84,  -0.08,
05/02 20Z,   0.30,   1.52,  99.90,   1.74,  -0.08,
05/02 21Z,   0.30,   0.57,  99.90,   0.78,  -0.08,
05/02 22Z,   0.40,   0.15,  99.90,   0.47,  -0.08,  (min)
05/02 23Z,   0.40,   0.41,  99.90,   0.72,  -0.08,
05/03 00Z,   0.40,   1.24,  99.90,   1.55,  -0.08,
05/03 01Z,   0.30,   2.41,  99.90,   2.63,  -0.08,
05/03 02Z,   0.30,   3.66,  99.90,   3.88,  -0.08,
05/03 03Z,   0.30,   4.74,  99.90,   4.96,  -0.08,
05/03 04Z,   0.30,   5.41,  99.90,   5.63,  -0.08,
05/03 05Z,   0.40,   5.50,  99.90,   5.81,  -0.08,  (max)
05/03 06Z,   0.40,   5.00,  99.90,   5.32,  -0.08,
05/03 07Z,   0.40,   4.04,  99.90,   4.36,  -0.08,
05/03 08Z,   0.40,   2.84,  99.90,   3.16,  -0.08,
05/03 09Z,   0.30,   1.67,  99.90,   1.88,  -0.08,
05/03 10Z,   0.20,   0.81,  99.90,   0.92,  -0.08,
05/03 11Z,   0.20,   0.44,  99.90,   0.56,  -0.08,  (min)
05/03 12Z,   0.20,   0.60,  99.90,   0.71,  -0.08,