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
#Yakutat, AK : 04/21/2025 14:21:49 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/19 18Z,  -0.60,   2.53,   1.69,  99.90,  -0.24,
04/19 19Z,  -0.60,   1.40,   0.43,  99.90,  -0.37,
04/19 20Z,  -0.60,   0.90,   0.08,  99.90,  -0.22,  (min)
04/19 21Z,  -0.60,   1.09,   0.15,  99.90,  -0.34,
04/19 22Z,  -0.60,   1.88,   0.91,  99.90,  -0.37,
04/19 23Z,  -0.60,   3.04,   2.16,  99.90,  -0.28,
04/20 00Z,  -0.60,   4.31,   3.48,  99.90,  -0.23,
04/20 01Z,  -0.70,   5.41,   4.57,  99.90,  -0.14,
04/20 02Z,  -0.70,   6.13,   5.35,  99.90,  -0.08,
04/20 03Z,  -0.70,   6.38,   5.56,  99.90,  -0.12,  (max)
04/20 04Z,  -0.70,   6.20,   5.36,  99.90,  -0.14,
04/20 05Z,  -0.70,   5.72,   5.00,  99.90,  -0.02,
04/20 06Z,  -0.60,   5.18,   4.33,  99.90,  -0.25,
04/20 07Z,  -0.70,   4.80,   3.90,  99.90,  -0.20,  (min)
04/20 08Z,  -0.70,   4.76,   3.94,  99.90,  -0.12,
04/20 09Z,  -0.70,   5.12,   4.10,  99.90,  -0.32,
04/20 10Z,  -0.70,   5.85,   4.92,  99.90,  -0.23,
04/20 11Z,  -0.80,   6.77,   5.86,  99.90,  -0.11,
04/20 12Z,  -0.70,   7.67,   6.62,  99.90,  -0.35,
04/20 13Z,  -0.80,   8.28,   7.28,  99.90,  -0.20,
04/20 14Z,  -0.80,   8.43,   7.36,  99.90,  -0.27,  (max)
04/20 15Z,  -0.80,   8.01,   6.95,  99.90,  -0.26,
04/20 16Z,  -0.80,   7.04,   6.01,  99.90,  -0.23,
04/20 17Z,  -0.70,   5.67,   4.47,  99.90,  -0.50,
04/20 18Z,  -0.70,   4.14,   3.00,  99.90,  -0.44,
04/20 19Z,  -0.70,   2.72,   1.64,  99.90,  -0.38,
04/20 20Z,  -0.70,   1.66,   0.58,  99.90,  -0.38,
04/20 21Z,  -0.70,   1.14,   0.19,  99.90,  -0.25,  (min)
04/20 22Z,  -0.70,   1.23,   0.21,  99.90,  -0.32,
04/20 23Z,  -0.60,   1.87,   0.89,  99.90,  -0.38,
04/21 00Z,  -0.70,   2.90,   1.94,  99.90,  -0.26,
04/21 01Z,  -0.70,   4.09,   3.10,  99.90,  -0.29,
04/21 02Z,  -0.70,   5.19,   4.21,  99.90,  -0.28,
04/21 03Z,  -0.70,   6.00,   5.13,  99.90,  -0.17,
04/21 04Z,  -0.70,   6.39,   5.46,  99.90,  -0.23,  (max)
04/21 05Z,  -0.70,   6.36,   5.35,  99.90,  -0.31,
04/21 06Z,  -0.60,   6.01,   5.12,  99.90,  -0.29,
04/21 07Z,  -0.60,   5.50,   4.61,  99.90,  -0.29,
04/21 08Z,  -0.60,   5.06,   4.09,  99.90,  -0.37,
04/21 09Z,  -0.60,   4.86,   3.97,  99.90,  -0.29,  (min)
04/21 10Z,  -0.70,   5.01,   4.07,  99.90,  -0.24,
04/21 11Z,  -0.70,   5.51,   4.52,  99.90,  -0.29,
04/21 12Z,  -0.70,   6.25,   5.25,  99.90,  -0.30,
04/21 13Z,  -0.70,   7.06,   6.07,  99.90,  -0.29,
04/21 14Z,  -0.70,   7.70,   6.67,  99.90,  -0.33,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/21 15Z,  -0.60,   7.97,  99.90,   7.05,  -0.32,  (max)
04/21 16Z,  -0.60,   7.75,  99.90,   6.83,  -0.32,
04/21 17Z,  -0.60,   7.00,  99.90,   6.09,  -0.31,
04/21 18Z,  -0.60,   5.82,  99.90,   4.91,  -0.31,
04/21 19Z,  -0.60,   4.39,  99.90,   3.49,  -0.30,
04/21 20Z,  -0.50,   2.97,  99.90,   2.18,  -0.29,
04/21 21Z,  -0.50,   1.82,  99.90,   1.04,  -0.29,
04/21 22Z,  -0.50,   1.17,  99.90,   0.38,  -0.28,
04/21 23Z,  -0.50,   1.12,  99.90,   0.34,  -0.28,  (min)
04/22 00Z,  -0.50,   1.68,  99.90,   0.91,  -0.27,
04/22 01Z,  -0.50,   2.72,  99.90,   1.95,  -0.27,
04/22 02Z,  -0.50,   4.01,  99.90,   3.25,  -0.26,
04/22 03Z,  -0.50,   5.28,  99.90,   4.52,  -0.26,
04/22 04Z,  -0.50,   6.29,  99.90,   5.53,  -0.26,
04/22 05Z,  -0.50,   6.85,  99.90,   6.09,  -0.26,
04/22 06Z,  -0.50,   6.88,  99.90,   6.12,  -0.26,  (max)
04/22 07Z,  -0.50,   6.47,  99.90,   5.71,  -0.26,
04/22 08Z,  -0.40,   5.78,  99.90,   5.12,  -0.26,
04/22 09Z,  -0.40,   5.05,  99.90,   4.39,  -0.26,
04/22 10Z,  -0.40,   4.53,  99.90,   3.87,  -0.26,
04/22 11Z,  -0.40,   4.38,  99.90,   3.72,  -0.26,  (min)
04/22 12Z,  -0.40,   4.69,  99.90,   4.03,  -0.26,
04/22 13Z,  -0.50,   5.38,  99.90,   4.62,  -0.26,
04/22 14Z,  -0.60,   6.29,  99.90,   5.43,  -0.26,
04/22 15Z,  -0.60,   7.16,  99.90,   6.30,  -0.26,
04/22 16Z,  -0.60,   7.73,  99.90,   6.87,  -0.26,  (max)
04/22 17Z,  -0.70,   7.80,  99.90,   6.84,  -0.26,
04/22 18Z,  -0.60,   7.26,  99.90,   6.40,  -0.26,
04/22 19Z,  -0.60,   6.17,  99.90,   5.31,  -0.26,
04/22 20Z,  -0.60,   4.70,  99.90,   3.84,  -0.26,
04/22 21Z,  -0.60,   3.14,  99.90,   2.28,  -0.26,
04/22 22Z,  -0.60,   1.81,  99.90,   0.95,  -0.26,
04/22 23Z,  -0.60,   0.99,  99.90,   0.13,  -0.26,
04/23 00Z,  -0.60,   0.88,  99.90,   0.02,  -0.26,  (min)
04/23 01Z,  -0.60,   1.50,  99.90,   0.64,  -0.26,
04/23 02Z,  -0.60,   2.72,  99.90,   1.86,  -0.26,
04/23 03Z,  -0.60,   4.28,  99.90,   3.42,  -0.26,
04/23 04Z,  -0.70,   5.84,  99.90,   4.88,  -0.26,
04/23 05Z,  -0.70,   7.06,  99.90,   6.10,  -0.26,
04/23 06Z,  -0.70,   7.69,  99.90,   6.73,  -0.26,  (max)
04/23 07Z,  -0.70,   7.62,  99.90,   6.66,  -0.26,
04/23 08Z,  -0.70,   6.91,  99.90,   5.95,  -0.26,
04/23 09Z,  -0.60,   5.81,  99.90,   4.95,  -0.26,
04/23 10Z,  -0.60,   4.62,  99.90,   3.76,  -0.26,
04/23 11Z,  -0.60,   3.68,  99.90,   2.82,  -0.26,
04/23 12Z,  -0.60,   3.27,  99.90,   2.41,  -0.26,  (min)
04/23 13Z,  -0.50,   3.50,  99.90,   2.74,  -0.26,
04/23 14Z,  -0.60,   4.33,  99.90,   3.47,  -0.26,
04/23 15Z,  -0.60,   5.54,  99.90,   4.68,  -0.26,
04/23 16Z,  -0.50,   6.80,  99.90,   6.04,  -0.26,
04/23 17Z,  -0.50,   7.75,  99.90,   6.99,  -0.26,
04/23 18Z,  -0.50,   8.11,  99.90,   7.35,  -0.26,  (max)
04/23 19Z,  -0.50,   7.71,  99.90,   6.95,  -0.26,
04/23 20Z,  -0.40,   6.58,  99.90,   5.92,  -0.26,
04/23 21Z,  -0.40,   4.95,  99.90,   4.29,  -0.26,
04/23 22Z,  -0.40,   3.16,  99.90,   2.50,  -0.26,
04/23 23Z,  -0.40,   1.63,  99.90,   0.97,  -0.26,
04/24 00Z,  -0.30,   0.73,  99.90,   0.17,  -0.26,
04/24 01Z,  -0.40,   0.68,  99.90,   0.02,  -0.26,  (min)
04/24 02Z,  -0.40,   1.53,  99.90,   0.87,  -0.26,
04/24 03Z,  -0.40,   3.10,  99.90,   2.44,  -0.26,
04/24 04Z,  -0.50,   5.03,  99.90,   4.27,  -0.26,
04/24 05Z,  -0.50,   6.88,  99.90,   6.12,  -0.26,
04/24 06Z,  -0.50,   8.22,  99.90,   7.46,  -0.26,
04/24 07Z,  -0.50,   8.74,  99.90,   7.98,  -0.26,  (max)
04/24 08Z,  -0.50,   8.33,  99.90,   7.57,  -0.26,
04/24 09Z,  -0.50,   7.12,  99.90,   6.36,  -0.26,
04/24 10Z,  -0.50,   5.43,  99.90,   4.67,  -0.26,
04/24 11Z,  -0.50,   3.70,  99.90,   2.94,  -0.26,
04/24 12Z,  -0.50,   2.39,  99.90,   1.63,  -0.26,
04/24 13Z,  -0.50,   1.82,  99.90,   1.06,  -0.26,  (min)
04/24 14Z,  -0.60,   2.15,  99.90,   1.29,  -0.26,
04/24 15Z,  -0.60,   3.30,  99.90,   2.44,  -0.26,
04/24 16Z,  -0.60,   4.95,  99.90,   4.09,  -0.26,
04/24 17Z,  -0.60,   6.68,  99.90,   5.82,  -0.26,
04/24 18Z,  -0.60,   8.02,  99.90,   7.15,  -0.26,
04/24 19Z,  -0.60,   8.58,  99.90,   7.72,  -0.26,  (max)
04/24 20Z,  -0.60,   8.20,  99.90,   7.34,  -0.26,
04/24 21Z,  -0.60,   6.92,  99.90,   6.06,  -0.26,
04/24 22Z,  -0.60,   5.05,  99.90,   4.19,  -0.26,
04/24 23Z,  -0.50,   3.03,  99.90,   2.27,  -0.26,
04/25 00Z,  -0.50,   1.38,  99.90,   0.62,  -0.26,
04/25 01Z,  -0.60,   0.52,  99.90,  -0.34,  -0.26,  (min)
04/25 02Z,  -0.60,   0.71,  99.90,  -0.15,  -0.26,
04/25 03Z,  -0.60,   1.94,  99.90,   1.08,  -0.26,
04/25 04Z,  -0.60,   3.93,  99.90,   3.07,  -0.26,
04/25 05Z,  -0.60,   6.23,  99.90,   5.37,  -0.26,
04/25 06Z,  -0.60,   8.27,  99.90,   7.41,  -0.26,