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
#Seward, AK : 03/22/2025 03:22:24 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/20 12Z,   1.60,   9.65,  10.58,  99.90,  -0.67,
03/20 13Z,   1.60,   9.98,  10.85,  99.90,  -0.73,  (max)
03/20 14Z,   1.60,   9.45,  10.28,  99.90,  -0.77,
03/20 15Z,   1.60,   8.16,   8.94,  99.90,  -0.82,
03/20 16Z,   1.60,   6.39,   7.03,  99.90,  -0.96,
03/20 17Z,   1.60,   4.50,   4.99,  99.90,  -1.11,
03/20 18Z,   1.40,   2.82,   3.20,  99.90,  -1.02,
03/20 19Z,   1.40,   1.70,   1.92,  99.90,  -1.18,
03/20 20Z,   1.40,   1.39,   1.74,  99.90,  -1.05,  (min)
03/20 21Z,   1.40,   1.91,   2.09,  99.90,  -1.22,
03/20 22Z,   1.60,   3.00,   3.15,  99.90,  -1.45,
03/20 23Z,   1.40,   4.32,   4.52,  99.90,  -1.20,
03/21 00Z,   1.40,   5.58,   5.71,  99.90,  -1.27,
03/21 01Z,   1.30,   6.49,   6.68,  99.90,  -1.11,
03/21 02Z,   1.40,   6.86,   7.09,  99.90,  -1.17,  (max)
03/21 03Z,   1.40,   6.66,   6.92,  99.90,  -1.14,
03/21 04Z,   1.40,   6.05,   6.36,  99.90,  -1.09,
03/21 05Z,   1.30,   5.28,   5.64,  99.90,  -0.94,
03/21 06Z,   1.40,   4.58,   4.91,  99.90,  -1.07,
03/21 07Z,   1.40,   4.21,   4.42,  99.90,  -1.19,  (min)
03/21 08Z,   1.40,   4.39,   4.70,  99.90,  -1.09,
03/21 09Z,   1.40,   5.18,   5.40,  99.90,  -1.18,
03/21 10Z,   1.30,   6.38,   6.60,  99.90,  -1.08,
03/21 11Z,   1.40,   7.67,   7.95,  99.90,  -1.12,
03/21 12Z,   1.50,   8.75,   9.05,  99.90,  -1.20,
03/21 13Z,   1.40,   9.38,   9.72,  99.90,  -1.06,  (max)
03/21 14Z,   1.30,   9.38,   9.63,  99.90,  -1.05,
03/21 15Z,   1.30,   8.71,   8.92,  99.90,  -1.09,
03/21 16Z,   1.30,   7.48,   7.70,  99.90,  -1.08,
03/21 17Z,   1.40,   5.94,   6.24,  99.90,  -1.10,
03/21 18Z,   1.50,   4.36,   4.58,  99.90,  -1.28,
03/21 19Z,   1.40,   3.00,   3.17,  99.90,  -1.23,
03/21 20Z,   1.40,   2.12,   2.26,  99.90,  -1.26,
03/21 21Z,   1.30,   1.90,   2.00,  99.90,  -1.20,  (min)
03/21 22Z,   1.40,   2.31,   2.36,  99.90,  -1.35,
03/21 23Z,   1.40,   3.13,   3.13,  99.90,  -1.40,
03/22 00Z,   1.40,   4.11,   4.17,  99.90,  -1.34,
03/22 01Z,   1.50,   5.06,   5.12,  99.90,  -1.44,
03/22 02Z,   1.60,   5.79,   5.85,  99.90,  -1.54,
03/22 03Z,   1.60,   6.15,   6.32,  99.90,  -1.43,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/22 04Z,   1.60,   6.12,  99.90,   6.30,  -1.42,
03/22 05Z,   1.40,   5.82,  99.90,   5.81,  -1.41,
03/22 06Z,   1.50,   5.41,  99.90,   5.50,  -1.40,
03/22 07Z,   1.50,   5.04,  99.90,   5.15,  -1.39,
03/22 08Z,   1.40,   4.90,  99.90,   4.92,  -1.38,  (min)
03/22 09Z,   1.20,   5.15,  99.90,   4.98,  -1.37,
03/22 10Z,   0.90,   5.82,  99.90,   5.37,  -1.36,
03/22 11Z,   1.20,   6.75,  99.90,   6.60,  -1.35,
03/22 12Z,   1.20,   7.68,  99.90,   7.55,  -1.34,
03/22 13Z,   1.10,   8.44,  99.90,   8.21,  -1.33,
03/22 14Z,   1.10,   8.87,  99.90,   8.65,  -1.32,
03/22 15Z,   1.20,   8.82,  99.90,   8.71,  -1.31,  (max)
03/22 16Z,   1.30,   8.24,  99.90,   8.24,  -1.31,
03/22 17Z,   1.30,   7.23,  99.90,   7.22,  -1.31,
03/22 18Z,   1.30,   5.95,  99.90,   5.95,  -1.31,
03/22 19Z,   1.40,   4.60,  99.90,   4.69,  -1.31,
03/22 20Z,   1.60,   3.37,  99.90,   3.66,  -1.31,
03/22 21Z,   1.30,   2.48,  99.90,   2.48,  -1.31,
03/22 22Z,   1.00,   2.12,  99.90,   1.82,  -1.31,  (min)
03/22 23Z,   1.30,   2.27,  99.90,   2.27,  -1.31,
03/23 00Z,   1.30,   2.80,  99.90,   2.79,  -1.31,
03/23 01Z,   1.10,   3.56,  99.90,   3.35,  -1.31,
03/23 02Z,   1.00,   4.42,  99.90,   4.12,  -1.31,
03/23 03Z,   1.10,   5.22,  99.90,   5.02,  -1.31,
03/23 04Z,   1.10,   5.78,  99.90,   5.58,  -1.31,
03/23 05Z,   1.00,   6.05,  99.90,   5.74,  -1.31,
03/23 06Z,   1.00,   6.05,  99.90,   5.75,  -1.31,
03/23 07Z,   1.20,   5.88,  99.90,   5.77,  -1.31,  (max)
03/23 08Z,   1.30,   5.62,  99.90,   5.62,  -1.31,
03/23 09Z,   1.30,   5.44,  99.90,   5.44,  -1.31,  (min)
03/23 10Z,   1.30,   5.52,  99.90,   5.52,  -1.31,
03/23 11Z,   1.60,   5.91,  99.90,   6.21,  -1.31,
03/23 12Z,   1.20,   6.53,  99.90,   6.42,  -1.31,
03/23 13Z,   1.50,   7.22,  99.90,   7.42,  -1.31,
03/23 14Z,   1.40,   7.89,  99.90,   7.98,  -1.31,
03/23 15Z,   1.30,   8.37,  99.90,   8.37,  -1.31,
03/23 16Z,   1.20,   8.51,  99.90,   8.41,  -1.31,  (max)
03/23 17Z,   1.30,   8.19,  99.90,   8.18,  -1.31,
03/23 18Z,   1.40,   7.43,  99.90,   7.52,  -1.31,
03/23 19Z,   1.20,   6.32,  99.90,   6.22,  -1.31,
03/23 20Z,   1.40,   5.01,  99.90,   5.10,  -1.31,
03/23 21Z,   1.50,   3.66,  99.90,   3.86,  -1.31,
03/23 22Z,   1.40,   2.56,  99.90,   2.65,  -1.31,
03/23 23Z,   1.60,   1.91,  99.90,   2.21,  -1.31,
03/24 00Z,   1.50,   1.79,  99.90,   1.98,  -1.31,  (min)
03/24 01Z,   1.50,   2.14,  99.90,   2.34,  -1.31,
03/24 02Z,   1.60,   2.90,  99.90,   3.20,  -1.31,
03/24 03Z,   1.60,   3.94,  99.90,   4.23,  -1.31,
03/24 04Z,   1.60,   5.03,  99.90,   5.33,  -1.31,
03/24 05Z,   1.40,   5.93,  99.90,   6.02,  -1.31,
03/24 06Z,   1.60,   6.49,  99.90,   6.78,  -1.31,
03/24 07Z,   1.70,   6.67,  99.90,   7.06,  -1.31,  (max)
03/24 08Z,   1.60,   6.50,  99.90,   6.80,  -1.31,
03/24 09Z,   1.50,   6.08,  99.90,   6.28,  -1.31,
03/24 10Z,   1.70,   5.61,  99.90,   6.00,  -1.31,
03/24 11Z,   1.60,   5.34,  99.90,   5.63,  -1.31,
03/24 12Z,   1.50,   5.41,  99.90,   5.60,  -1.31,  (min)
03/24 13Z,   1.40,   5.81,  99.90,   5.91,  -1.31,
03/24 14Z,   1.50,   6.49,  99.90,   6.68,  -1.31,
03/24 15Z,   1.50,   7.32,  99.90,   7.51,  -1.31,
03/24 16Z,   1.30,   8.11,  99.90,   8.10,  -1.31,
03/24 17Z,   1.30,   8.59,  99.90,   8.58,  -1.31,  (max)
03/24 18Z,   1.30,   8.56,  99.90,   8.55,  -1.31,
03/24 19Z,   1.30,   7.96,  99.90,   7.96,  -1.31,
03/24 20Z,   1.20,   6.85,  99.90,   6.74,  -1.31,
03/24 21Z,   1.20,   5.34,  99.90,   5.23,  -1.31,
03/24 22Z,   1.20,   3.68,  99.90,   3.58,  -1.31,
03/24 23Z,   1.10,   2.23,  99.90,   2.02,  -1.31,
03/25 00Z,   1.00,   1.29,  99.90,   0.98,  -1.31,
03/25 01Z,   0.90,   1.02,  99.90,   0.61,  -1.31,  (min)
03/25 02Z,   0.80,   1.43,  99.90,   0.93,  -1.31,
03/25 03Z,   0.90,   2.46,  99.90,   2.05,  -1.31,
03/25 04Z,   0.90,   3.90,  99.90,   3.49,  -1.31,
03/25 05Z,   0.90,   5.41,  99.90,   5.01,  -1.31,
03/25 06Z,   0.90,   6.64,  99.90,   6.23,  -1.31,
03/25 07Z,   0.90,   7.36,  99.90,   6.95,  -1.31,
03/25 08Z,   0.90,   7.48,  99.90,   7.08,  -1.31,  (max)
03/25 09Z,   0.90,   7.04,  99.90,   6.63,  -1.31,
03/25 10Z,   0.90,   6.19,  99.90,   5.78,  -1.31,
03/25 11Z,   0.90,   5.24,  99.90,   4.83,  -1.31,
03/25 12Z,   0.90,   4.56,  99.90,   4.15,  -1.31,
03/25 13Z,   0.90,   4.39,  99.90,   3.98,  -1.31,  (min)
03/25 14Z,   0.90,   4.78,  99.90,   4.38,  -1.31,
03/25 15Z,   0.80,   5.69,  99.90,   5.19,  -1.31,
03/25 16Z,   0.90,   6.93,  99.90,   6.53,  -1.31,
03/25 17Z,   0.90,   8.18,  99.90,   7.77,  -1.31,
03/25 18Z,   0.90,   9.04,  99.90,   8.63,  -1.31,
03/25 19Z,  99.90,   9.22,  99.90,  99.90,  -1.31,
03/25 20Z,  99.90,   8.62,  99.90,  99.90,  -1.31,
03/25 21Z,  99.90,   7.29,  99.90,  99.90,  -1.31,
03/25 22Z,  99.90,   5.41,  99.90,  99.90,  -1.31,
03/25 23Z,  99.90,   3.33,  99.90,  99.90,  -1.31,
03/26 00Z,  99.90,   1.53,  99.90,  99.90,  -1.31,