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
#Ketchikan, AK : 03/27/2025 16:23:07 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/26 00Z,  -0.20,   1.34,   1.51,  99.90,   0.37,
03/26 01Z,  -0.20,   0.65,   0.75,  99.90,   0.30,  (min)
03/26 02Z,  -0.20,   1.41,   1.42,  99.90,   0.21,
03/26 03Z,  -0.20,   3.43,   3.27,  99.90,   0.04,
03/26 04Z,  -0.30,   6.23,   6.04,  99.90,   0.11,
03/26 05Z,  -0.30,   9.19,   8.94,  99.90,   0.05,
03/26 06Z,  -0.50,  11.62,  11.41,  99.90,   0.29,
03/26 07Z,  -0.40,  12.98,  12.83,  99.90,   0.25,
03/26 08Z,  -0.40,  12.95,  12.93,  99.90,   0.38,  (max)
03/26 09Z,  -0.40,  11.58,  11.69,  99.90,   0.51,
03/26 10Z,  -0.40,   9.25,   9.43,  99.90,   0.58,
03/26 11Z,  -0.50,   6.64,   6.85,  99.90,   0.71,
03/26 12Z,  -0.60,   4.53,   4.71,  99.90,   0.78,
03/26 13Z,  -0.50,   3.53,   3.73,  99.90,   0.70,  (min)
03/26 14Z,  -0.50,   3.99,   4.10,  99.90,   0.61,
03/26 15Z,  -0.50,   5.80,   5.88,  99.90,   0.58,
03/26 16Z,  -0.50,   8.50,   8.47,  99.90,   0.47,
03/26 17Z,  -0.60,  11.40,  11.31,  99.90,   0.51,
03/26 18Z,  -0.60,  13.73,  13.57,  99.90,   0.44,
03/26 19Z,  -0.50,  14.84,  14.66,  99.90,   0.32,  (max)
03/26 20Z,  -0.40,  14.36,  14.30,  99.90,   0.34,
03/26 21Z,  -0.40,  12.29,  12.35,  99.90,   0.46,
03/26 22Z,  -0.40,   9.02,   9.21,  99.90,   0.59,
03/26 23Z,  -0.40,   5.28,   5.55,  99.90,   0.67,
03/27 00Z,  -0.40,   1.98,   2.27,  99.90,   0.69,
03/27 01Z,  -0.40,  -0.09,   0.18,  99.90,   0.67,
03/27 02Z,  -0.30,  -0.42,  -0.13,  99.90,   0.59,  (min)
03/27 03Z,  -0.30,   1.05,   1.25,  99.90,   0.50,
03/27 04Z,  -0.20,   3.95,   4.10,  99.90,   0.35,
03/27 05Z,  -0.20,   7.58,   7.73,  99.90,   0.35,
03/27 06Z,  -0.20,  11.10,  11.25,  99.90,   0.35,
03/27 07Z,  -0.10,  13.68,  13.88,  99.90,   0.30,
03/27 08Z,   0.00,  14.72,  15.10,  99.90,   0.38,  (max)
03/27 09Z,   0.00,  13.97,  14.47,  99.90,   0.50,
03/27 10Z,   0.00,  11.60,  12.27,  99.90,   0.67,
03/27 11Z,   0.00,   8.24,   9.04,  99.90,   0.80,
03/27 12Z,   0.00,   4.82,   5.62,  99.90,   0.80,
03/27 13Z,   0.10,   2.31,   3.02,  99.90,   0.61,
03/27 14Z,   0.10,   1.44,   2.15,  99.90,   0.61,  (min)
03/27 15Z,   0.10,   2.47,   3.06,  99.90,   0.49,
03/27 16Z,   0.20,   5.13,   5.62,  99.90,   0.29,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/27 17Z,   0.20,   8.72,  99.90,   9.20,   0.28,
03/27 18Z,   0.30,  12.32,  99.90,  12.89,   0.27,
03/27 19Z,   0.30,  15.00,  99.90,  15.56,   0.26,
03/27 20Z,   0.30,  16.05,  99.90,  16.60,   0.26,  (max)
03/27 21Z,   0.30,  15.12,  99.90,  15.67,   0.25,
03/27 22Z,   0.30,  12.34,  99.90,  12.88,   0.24,
03/27 23Z,   0.30,   8.31,  99.90,   8.84,   0.23,
03/28 00Z,   0.30,   4.01,  99.90,   4.54,   0.22,
03/28 01Z,   0.20,   0.53,  99.90,   0.95,   0.22,
03/28 02Z,   0.20,  -1.24,  99.90,  -0.83,   0.21,  (min)
03/28 03Z,   0.20,  -0.85,  99.90,  -0.45,   0.20,
03/28 04Z,   0.30,   1.56,  99.90,   2.05,   0.19,
03/28 05Z,   0.20,   5.37,  99.90,   5.76,   0.19,
03/28 06Z,   0.20,   9.66,  99.90,  10.05,   0.19,
03/28 07Z,   0.20,  13.42,  99.90,  13.81,   0.19,
03/28 08Z,   0.20,  15.77,  99.90,  16.16,   0.19,
03/28 09Z,   0.20,  16.12,  99.90,  16.51,   0.19,  (max)
03/28 10Z,   0.20,  14.34,  99.90,  14.74,   0.19,
03/28 11Z,   0.20,  10.85,  99.90,  11.24,   0.19,
03/28 12Z,   0.20,   6.53,  99.90,   6.92,   0.19,
03/28 13Z,   0.20,   2.55,  99.90,   2.94,   0.19,
03/28 14Z,   0.20,   0.01,  99.90,   0.40,   0.19,
03/28 15Z,   0.10,  -0.39,  99.90,  -0.10,   0.19,  (min)
03/28 16Z,   0.10,   1.45,  99.90,   1.75,   0.19,
03/28 17Z,   0.10,   5.02,  99.90,   5.31,   0.19,
03/28 18Z,   0.00,   9.37,  99.90,   9.57,   0.19,
03/28 19Z,   0.00,  13.42,  99.90,  13.61,   0.19,
03/28 20Z,   0.00,  16.14,  99.90,  16.34,   0.19,
03/28 21Z,   0.00,  16.85,  99.90,  17.05,   0.19,  (max)
03/28 22Z,   0.00,  15.30,  99.90,  15.49,   0.19,
03/28 23Z,   0.10,  11.79,  99.90,  12.08,   0.19,
03/29 00Z,   0.20,   7.17,  99.90,   7.57,   0.19,
03/29 01Z,   0.30,   2.63,  99.90,   3.13,   0.19,
03/29 02Z,   0.40,  -0.62,  99.90,  -0.02,   0.19,
03/29 03Z,   0.40,  -1.71,  99.90,  -1.12,   0.19,  (min)
03/29 04Z,   0.40,  -0.40,  99.90,   0.19,   0.19,
03/29 05Z,   0.30,   2.96,  99.90,   3.45,   0.19,
03/29 06Z,   0.20,   7.49,  99.90,   7.89,   0.19,
03/29 07Z,   0.10,  12.11,  99.90,  12.40,   0.19,
03/29 08Z,   0.10,  15.71,  99.90,  16.00,   0.19,
03/29 09Z,   0.00,  17.44,  99.90,  17.63,   0.19,  (max)
03/29 10Z,   0.00,  16.83,  99.90,  17.02,   0.19,
03/29 11Z,   0.00,  13.94,  99.90,  14.13,   0.19,
03/29 12Z,   0.10,   9.43,  99.90,   9.72,   0.19,
03/29 13Z,   0.10,   4.43,  99.90,   4.72,   0.19,
03/29 14Z,   0.20,   0.27,  99.90,   0.66,   0.19,
03/29 15Z,   0.30,  -1.93,  99.90,  -1.44,   0.19,  (min)
03/29 16Z,   0.30,  -1.61,  99.90,  -1.11,   0.19,
03/29 17Z,   0.20,   1.10,  99.90,   1.49,   0.19,
03/29 18Z,   0.20,   5.42,  99.90,   5.81,   0.19,
03/29 19Z,   0.10,  10.25,  99.90,  10.55,   0.19,
03/29 20Z,   0.00,  14.41,  99.90,  14.60,   0.19,
03/29 21Z,   0.00,  16.88,  99.90,  17.07,   0.19,
03/29 22Z,   0.10,  17.05,  99.90,  17.34,   0.19,  (max)
03/29 23Z,   0.30,  14.84,  99.90,  15.33,   0.19,
03/30 00Z,   0.40,  10.76,  99.90,  11.35,   0.19,
03/30 01Z,   0.40,   5.87,  99.90,   6.46,   0.19,
03/30 02Z,   0.30,   1.51,  99.90,   2.00,   0.19,
03/30 03Z,   0.30,  -1.13,  99.90,  -0.64,   0.19,
03/30 04Z,   0.20,  -1.33,  99.90,  -0.93,   0.19,  (min)
03/30 05Z,   0.10,   0.94,  99.90,   1.23,   0.19,
03/30 06Z,   0.00,   5.03,  99.90,   5.22,   0.19,
03/30 07Z,  -0.10,   9.93,  99.90,  10.02,   0.19,
03/30 08Z,  -0.20,  14.44,  99.90,  14.43,   0.19,
03/30 09Z,  -0.20,  17.51,  99.90,  17.50,   0.19,
03/30 10Z,  -0.10,  18.37,  99.90,  18.46,   0.19,  (max)
03/30 11Z,   0.00,  16.71,  99.90,  16.91,   0.19,
03/30 12Z,   0.00,  12.83,  99.90,  13.02,   0.19,
03/30 13Z,   0.00,   7.60,  99.90,   7.79,   0.19,
03/30 14Z,   0.00,   2.35,  99.90,   2.54,   0.19,
03/30 15Z,   0.00,  -1.57,  99.90,  -1.37,   0.19,
03/30 16Z,   0.00,  -3.14,  99.90,  -2.94,   0.19,  (min)
03/30 17Z,  -0.10,  -2.02,  99.90,  -1.93,   0.19,
03/30 18Z,  -0.20,   1.39,  99.90,   1.38,   0.19,
03/30 19Z,  -0.20,   6.16,  99.90,   6.15,   0.19,
03/30 20Z,  -0.20,  11.10,  99.90,  11.09,   0.19,
03/30 21Z,  -0.20,  15.02,  99.90,  15.01,   0.19,
03/30 22Z,  -0.10,  17.01,  99.90,  17.10,   0.19,  (max)
03/30 23Z,   0.00,  16.57,  99.90,  16.76,   0.19,
03/31 00Z,   0.00,  13.82,  99.90,  14.01,   0.19,
03/31 01Z,   0.00,   9.48,  99.90,   9.67,   0.19,
03/31 02Z,   0.10,   4.73,  99.90,   5.03,   0.19,
03/31 03Z,   0.20,   0.94,  99.90,   1.33,   0.19,
03/31 04Z,   0.20,  -0.83,  99.90,  -0.44,   0.19,  (min)
03/31 05Z,   0.10,  -0.10,  99.90,   0.19,   0.19,
03/31 06Z,   0.00,   2.90,  99.90,   3.09,   0.19,
03/31 07Z,  99.90,   7.36,  99.90,  99.90,   0.19,
03/31 08Z,  99.90,  12.18,  99.90,  99.90,   0.19,
03/31 09Z,  99.90,  16.21,  99.90,  99.90,   0.19,
03/31 10Z,  99.90,  18.49,  99.90,  99.90,   0.19,
03/31 11Z,  99.90,  18.39,  99.90,  99.90,   0.19,
03/31 12Z,  99.90,  15.82,  99.90,  99.90,   0.19,