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 : 05/25/2025 06:22:01 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/23 12Z,   0.00,   1.12,   1.27,  99.90,   0.15,
05/23 13Z,   0.00,   1.57,   1.75,  99.90,   0.18,  (min)
05/23 14Z,   0.00,   3.47,   3.75,  99.90,   0.28,
05/23 15Z,   0.10,   6.28,   6.65,  99.90,   0.27,
05/23 16Z,   0.10,   9.27,   9.73,  99.90,   0.36,
05/23 17Z,   0.00,  11.69,  12.11,  99.90,   0.42,
05/23 18Z,   0.00,  12.91,  13.16,  99.90,   0.25,  (max)
05/23 19Z,   0.00,  12.65,  12.81,  99.90,   0.16,
05/23 20Z,   0.10,  10.95,  11.06,  99.90,   0.01,
05/23 21Z,   0.10,   8.28,   8.44,  99.90,   0.06,
05/23 22Z,   0.10,   5.36,   5.57,  99.90,   0.11,
05/23 23Z,   0.10,   2.99,   3.29,  99.90,   0.20,
05/24 00Z,   0.10,   1.86,   2.28,  99.90,   0.32,  (min)
05/24 01Z,   0.10,   2.33,   2.73,  99.90,   0.30,
05/24 02Z,   0.10,   4.34,   4.63,  99.90,   0.19,
05/24 03Z,   0.10,   7.44,   7.62,  99.90,   0.08,
05/24 04Z,   0.10,  10.89,  10.93,  99.90,  -0.06,
05/24 05Z,   0.10,  13.90,  13.98,  99.90,  -0.02,
05/24 06Z,   0.00,  15.73,  15.92,  99.90,   0.19,
05/24 07Z,   0.00,  15.91,  16.33,  99.90,   0.42,  (max)
05/24 08Z,   0.00,  14.30,  14.80,  99.90,   0.50,
05/24 09Z,   0.00,  11.17,  11.72,  99.90,   0.55,
05/24 10Z,   0.10,   7.19,   7.65,  99.90,   0.36,
05/24 11Z,   0.10,   3.28,   3.68,  99.90,   0.30,
05/24 12Z,   0.10,   0.38,   0.85,  99.90,   0.37,
05/24 13Z,   0.10,  -0.82,  -0.25,  99.90,   0.47,  (min)
05/24 14Z,   0.20,  -0.08,   0.65,  99.90,   0.53,
05/24 15Z,   0.30,   2.35,   3.19,  99.90,   0.54,
05/24 16Z,   0.30,   5.80,   6.64,  99.90,   0.54,
05/24 17Z,   0.40,   9.38,  10.04,  99.90,   0.26,
05/24 18Z,   0.20,  12.23,  12.63,  99.90,   0.20,
05/24 19Z,   0.20,  13.68,  13.99,  99.90,   0.11,  (max)
05/24 20Z,   0.20,  13.40,  13.69,  99.90,   0.09,
05/24 21Z,   0.30,  11.52,  11.90,  99.90,   0.08,
05/24 22Z,   0.40,   8.57,   9.12,  99.90,   0.15,
05/24 23Z,   0.40,   5.38,   5.99,  99.90,   0.21,
05/25 00Z,   0.20,   2.89,   3.52,  99.90,   0.43,
05/25 01Z,   0.30,   1.86,   2.40,  99.90,   0.24,  (min)
05/25 02Z,   0.30,   2.63,   3.17,  99.90,   0.24,
05/25 03Z,   0.30,   5.08,   5.58,  99.90,   0.20,
05/25 04Z,   0.30,   8.60,   9.06,  99.90,   0.16,
05/25 05Z,   0.30,  12.35,  12.79,  99.90,   0.14,
05/25 06Z,   0.30,  15.43,  15.92,  99.90,   0.19,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/25 07Z,   0.20,  17.06,  99.90,  17.45,   0.19,  (max)
05/25 08Z,   0.20,  16.78,  99.90,  17.17,   0.19,
05/25 09Z,   0.20,  14.52,  99.90,  14.90,   0.19,
05/25 10Z,   0.20,  10.64,  99.90,  11.03,   0.19,
05/25 11Z,   0.10,   5.98,  99.90,   6.27,   0.19,
05/25 12Z,   0.10,   1.60,  99.90,   1.88,   0.18,
05/25 13Z,   0.10,  -1.46,  99.90,  -1.18,   0.18,
05/25 14Z,   0.10,  -2.48,  99.90,  -2.19,   0.18,  (min)
05/25 15Z,   0.10,  -1.27,  99.90,  -0.99,   0.18,
05/25 16Z,   0.10,   1.76,  99.90,   2.04,   0.18,
05/25 17Z,   0.10,   5.80,  99.90,   6.08,   0.18,
05/25 18Z,   0.10,   9.84,  99.90,  10.12,   0.18,
05/25 19Z,   0.10,  12.94,  99.90,  13.22,   0.18,
05/25 20Z,   0.10,  14.42,  99.90,  14.69,   0.18,  (max)
05/25 21Z,   0.20,  13.98,  99.90,  14.36,   0.18,
05/25 22Z,   0.20,  11.83,  99.90,  12.20,   0.18,
05/25 23Z,   0.20,   8.58,  99.90,   8.96,   0.18,
05/26 00Z,   0.20,   5.21,  99.90,   5.59,   0.18,
05/26 01Z,   0.20,   2.73,  99.90,   3.11,   0.18,
05/26 02Z,   0.20,   1.94,  99.90,   2.32,   0.18,  (min)
05/26 03Z,   0.20,   3.11,  99.90,   3.49,   0.18,
05/26 04Z,   0.10,   6.00,  99.90,   6.27,   0.18,
05/26 05Z,   0.10,   9.86,  99.90,  10.14,   0.18,
05/26 06Z,   0.00,  13.75,  99.90,  13.93,   0.18,
05/26 07Z,   0.00,  16.72,  99.90,  16.90,   0.18,
05/26 08Z,   0.10,  18.02,  99.90,  18.29,   0.18,  (max)
05/26 09Z,   0.10,  17.20,  99.90,  17.47,   0.18,
05/26 10Z,   0.10,  14.28,  99.90,  14.55,   0.18,
05/26 11Z,   0.20,   9.76,  99.90,  10.14,   0.18,
05/26 12Z,   0.30,   4.61,  99.90,   5.08,   0.18,
05/26 13Z,   0.30,   0.01,  99.90,   0.48,   0.18,
05/26 14Z,   0.30,  -2.94,  99.90,  -2.46,   0.18,
05/26 15Z,   0.30,  -3.56,  99.90,  -3.08,   0.18,  (min)
05/26 16Z,   0.30,  -1.81,  99.90,  -1.33,   0.18,
05/26 17Z,   0.20,   1.77,  99.90,   2.15,   0.18,
05/26 18Z,   0.20,   6.23,  99.90,   6.61,   0.18,
05/26 19Z,   0.20,  10.50,  99.90,  10.88,   0.18,
05/26 20Z,   0.20,  13.63,  99.90,  14.01,   0.18,
05/26 21Z,   0.20,  14.96,  99.90,  15.33,   0.18,  (max)
05/26 22Z,   0.30,  14.25,  99.90,  14.73,   0.18,
05/26 23Z,   0.50,  11.79,  99.90,  12.47,   0.18,
05/27 00Z,   0.60,   8.32,  99.90,   9.09,   0.18,
05/27 01Z,   0.60,   4.90,  99.90,   5.67,   0.18,
05/27 02Z,   0.70,   2.60,  99.90,   3.48,   0.18,
05/27 03Z,   0.70,   2.16,  99.90,   3.04,   0.18,  (min)
05/27 04Z,   0.80,   3.77,  99.90,   4.75,   0.18,
05/27 05Z,   0.70,   7.00,  99.90,   7.88,   0.18,
05/27 06Z,   0.70,  11.04,  99.90,  11.92,   0.18,
05/27 07Z,   0.60,  14.88,  99.90,  15.66,   0.18,
05/27 08Z,   0.60,  17.59,  99.90,  18.37,   0.18,
05/27 09Z,   0.40,  18.44,  99.90,  19.02,   0.18,  (max)
05/27 10Z,   0.40,  17.08,  99.90,  17.66,   0.18,
05/27 11Z,   0.40,  13.61,  99.90,  14.18,   0.18,
05/27 12Z,   0.30,   8.65,  99.90,   9.12,   0.18,
05/27 13Z,   0.40,   3.28,  99.90,   3.86,   0.18,
05/27 14Z,   0.40,  -1.23,  99.90,  -0.66,   0.18,
05/27 15Z,   0.30,  -3.82,  99.90,  -3.35,   0.18,
05/27 16Z,   0.40,  -3.94,  99.90,  -3.36,   0.18,  (min)
05/27 17Z,   0.40,  -1.67,  99.90,  -1.10,   0.18,
05/27 18Z,   0.40,   2.28,  99.90,   2.86,   0.18,
05/27 19Z,   0.50,   6.93,  99.90,   7.61,   0.18,
05/27 20Z,   0.50,  11.19,  99.90,  11.86,   0.18,
05/27 21Z,   0.50,  14.13,  99.90,  14.81,   0.18,
05/27 22Z,   0.50,  15.17,  99.90,  15.85,   0.18,  (max)
05/27 23Z,   0.50,  14.14,  99.90,  14.82,   0.18,
05/28 00Z,   0.40,  11.42,  99.90,  12.00,   0.18,
05/28 01Z,   0.40,   7.85,  99.90,   8.43,   0.18,
05/28 02Z,   0.30,   4.57,  99.90,   5.04,   0.18,
05/28 03Z,   0.20,   2.60,  99.90,   2.97,   0.18,
05/28 04Z,   0.20,   2.58,  99.90,   2.96,   0.18,  (min)
05/28 05Z,   0.20,   4.54,  99.90,   4.92,   0.18,
05/28 06Z,   0.10,   7.96,  99.90,   8.24,   0.18,
05/28 07Z,   0.20,  11.97,  99.90,  12.35,   0.18,
05/28 08Z,   0.20,  15.58,  99.90,  15.96,   0.18,
05/28 09Z,   0.30,  17.91,  99.90,  18.39,   0.18,
05/28 10Z,   0.30,  18.30,  99.90,  18.78,   0.18,  (max)
05/28 11Z,   0.40,  16.46,  99.90,  17.04,   0.18,
05/28 12Z,   0.50,  12.60,  99.90,  13.28,   0.18,
05/28 13Z,   0.60,   7.47,  99.90,   8.25,   0.18,
05/28 14Z,   0.60,   2.20,  99.90,   2.98,   0.18,
05/28 15Z,   0.50,  -1.95,  99.90,  -1.27,   0.18,
05/28 16Z,   0.50,  -4.02,  99.90,  -3.34,   0.18,  (min)
05/28 17Z,   0.40,  -3.61,  99.90,  -3.04,   0.18,
05/28 18Z,   0.30,  -0.98,  99.90,  -0.50,   0.18,
05/28 19Z,   0.20,   3.13,  99.90,   3.51,   0.18,
05/28 20Z,   0.20,   7.72,  99.90,   8.09,   0.18,
05/28 21Z,   0.20,  11.74,  99.90,  12.12,   0.18,
05/28 22Z,   0.20,  14.35,  99.90,  14.73,   0.18,
05/28 23Z,   0.20,  15.02,  99.90,  15.39,   0.18,  (max)
05/29 00Z,   0.20,  13.68,  99.90,  14.06,   0.18,