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
#Holden Beach, NC : 04/18/2025 09:23:05 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/16 18Z,   0.00,  -5.68,  99.90,  -5.68,   0.00,
04/16 19Z,  -0.10,  -6.40,  99.90,  -6.50,   0.00,
04/16 20Z,  -0.10,  -6.70,  99.90,  -6.80,   0.00,  (min)
04/16 21Z,  -0.20,  -6.43,  99.90,  -6.63,   0.00,
04/16 22Z,  -0.10,  -5.59,  99.90,  -5.69,   0.00,
04/16 23Z,  -0.10,  -4.40,  99.90,  -4.50,   0.00,
04/17 00Z,   0.10,  -3.20,  99.90,  -3.10,   0.00,
04/17 01Z,   0.10,  -2.29,  99.90,  -2.19,   0.00,
04/17 02Z,   0.00,  -1.90,  99.90,  -1.90,   0.00,  (max)
04/17 03Z,   0.00,  -2.05,  99.90,  -2.05,   0.00,
04/17 04Z,  -0.10,  -2.66,  99.90,  -2.76,   0.00,
04/17 05Z,  -0.10,  -3.60,  99.90,  -3.70,   0.00,
04/17 06Z,   0.10,  -4.68,  99.90,  -4.58,   0.00,
04/17 07Z,   0.10,  -5.69,  99.90,  -5.59,   0.00,
04/17 08Z,   0.20,  -6.36,  99.90,  -6.16,   0.00,
04/17 09Z,   0.20,  -6.51,  99.90,  -6.31,   0.00,  (min)
04/17 10Z,   0.20,  -6.09,  99.90,  -5.89,   0.00,
04/17 11Z,   0.10,  -5.23,  99.90,  -5.13,   0.00,
04/17 12Z,   0.10,  -4.25,  99.90,  -4.15,   0.00,
04/17 13Z,   0.10,  -3.43,  99.90,  -3.33,   0.00,
04/17 14Z,   0.10,  -2.99,  99.90,  -2.89,   0.00,  (max)
04/17 15Z,   0.10,  -2.99,  99.90,  -2.89,   0.00,
04/17 16Z,   0.10,  -3.41,  99.90,  -3.31,   0.00,
04/17 17Z,   0.00,  -4.14,  99.90,  -4.14,   0.00,
04/17 18Z,   0.00,  -5.04,  99.90,  -5.04,   0.00,
04/17 19Z,   0.00,  -5.92,  99.90,  -5.92,   0.00,
04/17 20Z,   0.00,  -6.51,  99.90,  -6.51,   0.00,
04/17 21Z,   0.00,  -6.60,  99.90,  -6.60,   0.00,  (min)
04/17 22Z,   0.10,  -6.12,  99.90,  -6.02,   0.00,
04/17 23Z,   0.10,  -5.16,  99.90,  -5.06,   0.00,
04/18 00Z,   0.00,  -4.02,  99.90,  -4.02,   0.00,
04/18 01Z,   0.00,  -2.99,  99.90,  -2.99,   0.00,
04/18 02Z,   0.00,  -2.30,  99.90,  -2.30,   0.00,
04/18 03Z,   0.00,  -2.05,  99.90,  -2.05,   0.00,  (max)
04/18 04Z,  -0.10,  -2.27,  99.90,  -2.37,   0.00,
04/18 05Z,  -0.10,  -2.90,  99.90,  -3.00,   0.00,
04/18 06Z,  -0.10,  -3.84,  99.90,  -3.94,   0.00,
04/18 07Z,  -0.10,  -4.90,  99.90,  -5.00,   0.00,
04/18 08Z,   0.00,  -5.81,  99.90,  -5.81,   0.00,
04/18 09Z,   0.00,  -6.31,  99.90,  -6.31,   0.00,  (min)
04/18 10Z,   0.00,  -6.27,  99.90,  -6.27,   0.00,
04/18 11Z,  -0.10,  -5.73,  99.90,  -5.83,   0.00,
04/18 12Z,  -0.10,  -4.91,  99.90,  -5.01,   0.00,
04/18 13Z,  -0.20,  -4.08,  99.90,  -4.28,   0.00,
04/18 14Z,  -0.20,  -3.44,  99.90,  -3.64,   0.00,
04/18 15Z,  -0.20,  -3.12,  99.90,  -3.32,   0.00,  (max)
04/18 16Z,  -0.20,  -3.17,  99.90,  -3.37,   0.00,
04/18 17Z,  -0.20,  -3.60,  99.90,  -3.80,   0.00,
04/18 18Z,  -0.10,  -4.34,  99.90,  -4.44,   0.00,
04/18 19Z,   0.00,  -5.25,  99.90,  -5.25,   0.00,
04/18 20Z,  -0.10,  -6.06,  99.90,  -6.16,   0.00,
04/18 21Z,  -0.10,  -6.51,  99.90,  -6.61,   0.00,
04/18 22Z,  -0.20,  -6.43,  99.90,  -6.63,   0.00,  (min)
04/18 23Z,  -0.20,  -5.83,  99.90,  -6.03,   0.00,
04/19 00Z,  -0.20,  -4.90,  99.90,  -5.10,   0.00,
04/19 01Z,  -0.20,  -3.88,  99.90,  -4.08,   0.00,
04/19 02Z,  -0.20,  -2.99,  99.90,  -3.19,   0.00,
04/19 03Z,  -0.20,  -2.38,  99.90,  -2.58,   0.00,
04/19 04Z,  -0.20,  -2.16,  99.90,  -2.36,   0.00,  (max)
04/19 05Z,  -0.20,  -2.38,  99.90,  -2.58,   0.00,
04/19 06Z,  -0.30,  -3.03,  99.90,  -3.33,   0.00,
04/19 07Z,  -0.30,  -4.00,  99.90,  -4.30,   0.00,
04/19 08Z,  -0.30,  -5.03,  99.90,  -5.33,   0.00,
04/19 09Z,  -0.30,  -5.83,  99.90,  -6.13,   0.00,
04/19 10Z,  -0.30,  -6.19,  99.90,  -6.49,   0.00,  (min)
04/19 11Z,  -0.30,  -6.06,  99.90,  -6.36,   0.00,
04/19 12Z,  -0.40,  -5.53,  99.90,  -5.93,   0.00,
04/19 13Z,  -0.40,  -4.82,  99.90,  -5.22,   0.00,
04/19 14Z,  -0.50,  -4.09,  99.90,  -4.59,   0.00,
04/19 15Z,  -0.50,  -3.50,  99.90,  -4.00,   0.00,
04/19 16Z,  -0.40,  -3.17,  99.90,  -3.57,   0.00,  (max)
04/19 17Z,  -0.50,  -3.20,  99.90,  -3.70,   0.00,
04/19 18Z,  -0.40,  -3.65,  99.90,  -4.05,   0.00,
04/19 19Z,  -0.40,  -4.44,  99.90,  -4.84,   0.00,
04/19 20Z,  -0.40,  -5.34,  99.90,  -5.74,   0.00,
04/19 21Z,  -0.40,  -6.09,  99.90,  -6.49,   0.00,
04/19 22Z,  -0.40,  -6.43,  99.90,  -6.83,   0.00,  (min)
04/19 23Z,  -0.40,  -6.28,  99.90,  -6.68,   0.00,
04/20 00Z,  -0.40,  -5.71,  99.90,  -6.11,   0.00,
04/20 01Z,  -0.50,  -4.87,  99.90,  -5.37,   0.00,
04/20 02Z,  -0.50,  -3.94,  99.90,  -4.44,   0.00,
04/20 03Z,  -0.50,  -3.07,  99.90,  -3.57,   0.00,
04/20 04Z,  -0.50,  -2.43,  99.90,  -2.93,   0.00,
04/20 05Z,  -0.60,  -2.17,  99.90,  -2.77,   0.00,  (max)
04/20 06Z,  -0.50,  -2.40,  99.90,  -2.90,   0.00,
04/20 07Z,  -0.50,  -3.10,  99.90,  -3.60,   0.00,
04/20 08Z,  -0.40,  -4.09,  99.90,  -4.49,   0.00,
04/20 09Z,  -0.40,  -5.08,  99.90,  -5.48,   0.00,
04/20 10Z,  -0.40,  -5.80,  99.90,  -6.20,   0.00,
04/20 11Z,  -0.40,  -6.11,  99.90,  -6.51,   0.00,  (min)
04/20 12Z,  -0.50,  -6.00,  99.90,  -6.50,   0.00,
04/20 13Z,  -0.60,  -5.56,  99.90,  -6.16,   0.00,
04/20 14Z,  -0.60,  -4.90,  99.90,  -5.50,   0.00,
04/20 15Z,  -0.60,  -4.15,  99.90,  -4.75,   0.00,
04/20 16Z,  -0.50,  -3.47,  99.90,  -3.97,   0.00,
04/20 17Z,  -0.50,  -3.06,  99.90,  -3.56,   0.00,  (max)
04/20 18Z,  -0.50,  -3.09,  99.90,  -3.59,   0.00,
04/20 19Z,  -0.50,  -3.58,  99.90,  -4.08,   0.00,
04/20 20Z,  -0.50,  -4.41,  99.90,  -4.91,   0.00,
04/20 21Z,  -0.50,  -5.31,  99.90,  -5.81,   0.00,
04/20 22Z,  -0.40,  -6.01,  99.90,  -6.41,   0.00,
04/20 23Z,  -0.40,  -6.35,  99.90,  -6.75,   0.00,  (min)
04/21 00Z,  -0.30,  -6.27,  99.90,  -6.57,   0.00,
04/21 01Z,  -0.30,  -5.81,  99.90,  -6.11,   0.00,
04/21 02Z,  -0.40,  -5.04,  99.90,  -5.44,   0.00,
04/21 03Z,  -0.40,  -4.09,  99.90,  -4.49,   0.00,
04/21 04Z,  -0.50,  -3.12,  99.90,  -3.62,   0.00,
04/21 05Z,  -0.40,  -2.38,  99.90,  -2.78,   0.00,
04/21 06Z,  -0.30,  -2.10,  99.90,  -2.40,   0.00,  (max)
04/21 07Z,  -0.30,  -2.37,  99.90,  -2.67,   0.00,
04/21 08Z,  -0.30,  -3.11,  99.90,  -3.41,   0.00,
04/21 09Z,  -0.30,  -4.11,  99.90,  -4.41,   0.00,
04/21 10Z,  -0.30,  -5.07,  99.90,  -5.37,   0.00,
04/21 11Z,  -0.40,  -5.81,  99.90,  -6.21,   0.00,
04/21 12Z,  -0.30,  -6.19,  99.90,  -6.49,   0.00,
04/21 13Z,  -0.40,  -6.17,  99.90,  -6.57,   0.00,  (min)
04/21 14Z,  -0.40,  -5.77,  99.90,  -6.17,   0.00,
04/21 15Z,  -0.40,  -5.03,  99.90,  -5.43,   0.00,
04/21 16Z,  -0.30,  -4.12,  99.90,  -4.42,   0.00,
04/21 17Z,  -0.30,  -3.30,  99.90,  -3.60,   0.00,
04/21 18Z,  -0.30,  -2.82,  99.90,  -3.12,   0.00,
04/21 19Z,  -0.20,  -2.85,  99.90,  -3.05,   0.00,  (max)
04/21 20Z,  -0.20,  -3.38,  99.90,  -3.58,   0.00,
04/21 21Z,  -0.10,  -4.23,  99.90,  -4.33,   0.00,
04/21 22Z,   0.00,  -5.16,  99.90,  -5.16,   0.00,
04/21 23Z,   0.00,  -5.93,  99.90,  -5.93,   0.00,
04/22 00Z,  -0.10,  -6.40,  99.90,  -6.50,   0.00,
04/22 01Z,  99.90,  -6.47,  99.90,  99.90,   0.00,
04/22 02Z,  99.90,  -6.10,  99.90,  99.90,   0.00,
04/22 03Z,  99.90,  -5.29,  99.90,  99.90,   0.00,
04/22 04Z,  99.90,  -4.19,  99.90,  99.90,   0.00,
04/22 05Z,  99.90,  -3.08,  99.90,  99.90,   0.00,
04/22 06Z,  99.90,  -2.27,  99.90,  99.90,   0.00,