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 : 06/19/2025 19:21:48 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
06/18 00Z,   0.50,   5.04,   4.53,  99.90,  -1.01,
06/18 01Z,   0.50,   6.93,   6.38,  99.90,  -1.05,
06/18 02Z,   0.50,   8.26,   7.66,  99.90,  -1.10,
06/18 03Z,   0.50,   8.76,   8.13,  99.90,  -1.13,  (max)
06/18 04Z,   0.50,   8.40,   7.86,  99.90,  -1.04,
06/18 05Z,   0.50,   7.34,   6.77,  99.90,  -1.07,
06/18 06Z,   0.60,   5.87,   5.25,  99.90,  -1.22,
06/18 07Z,   0.60,   4.37,   3.80,  99.90,  -1.17,
06/18 08Z,   0.60,   3.28,   2.78,  99.90,  -1.10,
06/18 09Z,   0.60,   2.94,   2.32,  99.90,  -1.22,  (min)
06/18 10Z,   0.60,   3.42,   2.84,  99.90,  -1.18,
06/18 11Z,   0.60,   4.49,   3.91,  99.90,  -1.18,
06/18 12Z,   0.60,   5.84,   5.17,  99.90,  -1.27,
06/18 13Z,   0.60,   7.11,   6.42,  99.90,  -1.29,
06/18 14Z,   0.60,   7.95,   7.38,  99.90,  -1.17,
06/18 15Z,   0.60,   8.07,   7.42,  99.90,  -1.25,  (max)
06/18 16Z,   0.60,   7.40,   6.80,  99.90,  -1.20,
06/18 17Z,   0.70,   6.06,   5.65,  99.90,  -1.11,
06/18 18Z,   0.60,   4.34,   3.89,  99.90,  -1.05,
06/18 19Z,   0.60,   2.57,   2.07,  99.90,  -1.10,
06/18 20Z,   0.70,   1.18,   0.70,  99.90,  -1.18,
06/18 21Z,   0.70,   0.58,   0.18,  99.90,  -1.10,  (min)
06/18 22Z,   0.70,   0.95,   0.47,  99.90,  -1.18,
06/18 23Z,   0.80,   2.18,   1.67,  99.90,  -1.31,
06/19 00Z,   0.70,   3.97,   3.32,  99.90,  -1.35,
06/19 01Z,   0.60,   5.95,   5.34,  99.90,  -1.21,
06/19 02Z,   0.60,   7.72,   7.13,  99.90,  -1.19,
06/19 03Z,   0.60,   8.90,   8.27,  99.90,  -1.23,
06/19 04Z,   0.60,   9.23,   8.59,  99.90,  -1.24,  (max)
06/19 05Z,   0.70,   8.69,   8.09,  99.90,  -1.30,
06/19 06Z,   0.60,   7.44,   6.94,  99.90,  -1.10,
06/19 07Z,   0.60,   5.79,   5.33,  99.90,  -1.06,
06/19 08Z,   0.70,   4.10,   3.60,  99.90,  -1.20,
06/19 09Z,   0.70,   2.83,   2.38,  99.90,  -1.15,
06/19 10Z,   0.70,   2.32,   1.89,  99.90,  -1.13,  (min)
06/19 11Z,   0.70,   2.63,   2.02,  99.90,  -1.31,
06/19 12Z,   0.60,   3.56,   3.04,  99.90,  -1.12,
06/19 13Z,   0.60,   4.85,   4.25,  99.90,  -1.20,
06/19 14Z,   0.60,   6.15,   5.54,  99.90,  -1.21,
06/19 15Z,   0.60,   7.11,   6.55,  99.90,  -1.16,
06/19 16Z,   0.60,   7.43,   6.90,  99.90,  -1.13,  (max)
06/19 17Z,   0.60,   7.01,   6.45,  99.90,  -1.16,
06/19 18Z,   0.70,   5.97,   5.46,  99.90,  -1.21,
06/19 19Z,   0.70,   4.53,   4.09,  99.90,  -1.14,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
06/19 20Z,   0.70,   3.02,  99.90,   2.58,  -1.14,
06/19 21Z,   0.60,   1.86,  99.90,   1.32,  -1.14,
06/19 22Z,   0.60,   1.41,  99.90,   0.88,  -1.13,  (min)
06/19 23Z,   0.60,   1.86,  99.90,   1.33,  -1.13,
06/20 00Z,   0.50,   3.10,  99.90,   2.47,  -1.13,
06/20 01Z,   0.50,   4.86,  99.90,   4.23,  -1.13,
06/20 02Z,   0.50,   6.80,  99.90,   6.17,  -1.13,
06/20 03Z,   0.50,   8.51,  99.90,   7.89,  -1.12,
06/20 04Z,   0.50,   9.59,  99.90,   8.97,  -1.12,
06/20 05Z,   0.50,   9.79,  99.90,   9.17,  -1.12,  (max)
06/20 06Z,   0.50,   9.07,  99.90,   8.45,  -1.12,
06/20 07Z,   0.50,   7.61,  99.90,   6.99,  -1.12,
06/20 08Z,   0.60,   5.69,  99.90,   5.18,  -1.12,
06/20 09Z,   0.60,   3.73,  99.90,   3.21,  -1.12,
06/20 10Z,   0.60,   2.20,  99.90,   1.68,  -1.12,
06/20 11Z,   0.60,   1.45,  99.90,   0.93,  -1.12,  (min)
06/20 12Z,   0.60,   1.57,  99.90,   1.05,  -1.12,
06/20 13Z,   0.50,   2.42,  99.90,   1.80,  -1.12,
06/20 14Z,   0.50,   3.74,  99.90,   3.13,  -1.12,
06/20 15Z,   0.50,   5.21,  99.90,   4.60,  -1.12,
06/20 16Z,   0.50,   6.43,  99.90,   5.81,  -1.12,
06/20 17Z,   0.50,   7.05,  99.90,   6.43,  -1.12,  (max)
06/20 18Z,   0.50,   6.95,  99.90,   6.33,  -1.12,
06/20 19Z,   0.50,   6.20,  99.90,   5.58,  -1.12,
06/20 20Z,   0.50,   5.00,  99.90,   4.38,  -1.12,
06/20 21Z,   0.50,   3.66,  99.90,   3.04,  -1.12,
06/20 22Z,   0.50,   2.60,  99.90,   1.98,  -1.12,
06/20 23Z,   0.50,   2.20,  99.90,   1.58,  -1.12,  (min)
06/21 00Z,   0.50,   2.65,  99.90,   2.03,  -1.12,
06/21 01Z,   0.50,   3.87,  99.90,   3.25,  -1.12,
06/21 02Z,   0.30,   5.62,  99.90,   4.81,  -1.12,
06/21 03Z,   0.70,   7.57,  99.90,   7.16,  -1.12,
06/21 04Z,   0.60,   9.28,  99.90,   8.77,  -1.12,
06/21 05Z,   0.50,  10.31,  99.90,   9.70,  -1.12,
06/21 06Z,   0.50,  10.39,  99.90,   9.77,  -1.12,  (max)
06/21 07Z,   0.70,   9.49,  99.90,   9.07,  -1.12,
06/21 08Z,   0.70,   7.77,  99.90,   7.35,  -1.12,
06/21 09Z,   0.50,   5.53,  99.90,   4.92,  -1.12,
06/21 10Z,   0.60,   3.23,  99.90,   2.72,  -1.12,
06/21 11Z,   0.60,   1.39,  99.90,   0.88,  -1.12,
06/21 12Z,   0.50,   0.40,  99.90,  -0.22,  -1.12,
06/21 13Z,   0.40,   0.38,  99.90,  -0.33,  -1.12,  (min)
06/21 14Z,   0.40,   1.24,  99.90,   0.53,  -1.12,
06/21 15Z,   0.40,   2.74,  99.90,   2.02,  -1.12,
06/21 16Z,   0.40,   4.49,  99.90,   3.77,  -1.12,
06/21 17Z,   0.40,   6.03,  99.90,   5.32,  -1.12,
06/21 18Z,   0.40,   6.99,  99.90,   6.27,  -1.12,
06/21 19Z,   0.50,   7.19,  99.90,   6.57,  -1.12,  (max)
06/21 20Z,   0.40,   6.67,  99.90,   5.95,  -1.12,
06/21 21Z,   0.40,   5.60,  99.90,   4.89,  -1.12,
06/21 22Z,   0.40,   4.31,  99.90,   3.59,  -1.12,
06/21 23Z,   0.40,   3.23,  99.90,   2.52,  -1.12,
06/22 00Z,   0.40,   2.80,  99.90,   2.08,  -1.12,  (min)
06/22 01Z,   0.40,   3.21,  99.90,   2.49,  -1.12,
06/22 02Z,   0.40,   4.43,  99.90,   3.71,  -1.12,
06/22 03Z,   0.40,   6.23,  99.90,   5.52,  -1.12,
06/22 04Z,   0.40,   8.26,  99.90,   7.54,  -1.12,
06/22 05Z,   0.40,  10.01,  99.90,   9.30,  -1.12,
06/22 06Z,   0.50,  11.02,  99.90,  10.40,  -1.12,  (max)
06/22 07Z,   0.50,  10.98,  99.90,  10.36,  -1.12,
06/22 08Z,   0.50,   9.87,  99.90,   9.25,  -1.12,
06/22 09Z,   0.50,   7.86,  99.90,   7.24,  -1.12,
06/22 10Z,   0.60,   5.27,  99.90,   4.75,  -1.12,
06/22 11Z,   0.50,   2.61,  99.90,   2.00,  -1.12,
06/22 12Z,   0.50,   0.48,  99.90,  -0.14,  -1.12,
06/22 13Z,   0.40,  -0.70,  99.90,  -1.42,  -1.12,  (min)
06/22 14Z,   0.50,  -0.75,  99.90,  -1.37,  -1.12,
06/22 15Z,   0.50,   0.24,  99.90,  -0.38,  -1.12,
06/22 16Z,   0.50,   2.00,  99.90,   1.38,  -1.12,
06/22 17Z,   0.50,   4.09,  99.90,   3.47,  -1.12,
06/22 18Z,   0.50,   5.98,  99.90,   5.36,  -1.12,
06/22 19Z,   0.50,   7.23,  99.90,   6.61,  -1.12,
06/22 20Z,   0.50,   7.64,  99.90,   7.02,  -1.12,  (max)
06/22 21Z,   0.50,   7.23,  99.90,   6.61,  -1.12,
06/22 22Z,   0.50,   6.17,  99.90,   5.55,  -1.12,
06/22 23Z,   0.50,   4.80,  99.90,   4.19,  -1.12,
06/23 00Z,   0.50,   3.63,  99.90,   3.01,  -1.12,
06/23 01Z,   0.40,   3.12,  99.90,   2.40,  -1.12,  (min)
06/23 02Z,   0.50,   3.52,  99.90,   2.90,  -1.12,
06/23 03Z,   0.50,   4.79,  99.90,   4.17,  -1.12,
06/23 04Z,   0.50,   6.71,  99.90,   6.09,  -1.12,
06/23 05Z,   0.50,   8.86,  99.90,   8.24,  -1.12,
06/23 06Z,   0.50,  10.68,  99.90,  10.06,  -1.12,
06/23 07Z,   0.50,  11.65,  99.90,  11.03,  -1.12,  (max)
06/23 08Z,   0.60,  11.48,  99.90,  10.96,  -1.12,
06/23 09Z,   0.60,  10.13,  99.90,   9.62,  -1.12,
06/23 10Z,   0.60,   7.80,  99.90,   7.29,  -1.12,
06/23 11Z,   0.60,   4.87,  99.90,   4.35,  -1.12,
06/23 12Z,   0.50,   1.90,  99.90,   1.28,  -1.12,