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 : 01/16/2026 19:21:51 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/15 00Z,  -0.40,   3.06,   2.70,  99.90,   0.04,
01/15 01Z,  -0.40,   2.03,   1.61,  99.90,  -0.02,
01/15 02Z,  -0.40,   2.19,   1.57,  99.90,  -0.22,  (min)
01/15 03Z,  -0.40,   3.46,   2.68,  99.90,  -0.38,
01/15 04Z,  -0.40,   5.50,   4.59,  99.90,  -0.51,
01/15 05Z,  -0.40,   7.82,   6.83,  99.90,  -0.59,
01/15 06Z,  -0.70,   9.90,   9.01,  99.90,  -0.19,
01/15 07Z,  -0.70,  11.30,  10.57,  99.90,  -0.03,
01/15 08Z,  -0.70,  11.74,  11.13,  99.90,   0.09,  (max)
01/15 09Z,  -0.70,  11.21,  10.65,  99.90,   0.14,
01/15 10Z,  -0.70,   9.94,   9.32,  99.90,   0.08,
01/15 11Z,  -0.70,   8.39,   7.63,  99.90,  -0.06,
01/15 12Z,  -0.90,   7.09,   6.07,  99.90,  -0.12,
01/15 13Z,  -0.80,   6.53,   5.53,  99.90,  -0.20,  (min)
01/15 14Z,  -0.80,   6.96,   5.94,  99.90,  -0.22,
01/15 15Z,  -0.70,   8.32,   7.48,  99.90,  -0.14,
01/15 16Z,  -0.70,  10.28,   9.48,  99.90,  -0.10,
01/15 17Z,  -0.80,  12.35,  11.56,  99.90,   0.01,
01/15 18Z,  -0.90,  13.97,  13.11,  99.90,   0.04,
01/15 19Z,  -0.90,  14.68,  13.84,  99.90,   0.06,  (max)
01/15 20Z,  -0.90,  14.22,  13.36,  99.90,   0.04,
01/15 21Z,  -0.90,  12.56,  11.71,  99.90,   0.05,
01/15 22Z,  -0.90,   9.94,   9.09,  99.90,   0.05,
01/15 23Z,  -0.90,   6.87,   6.08,  99.90,   0.11,
01/16 00Z,  -0.90,   3.97,   3.17,  99.90,   0.10,
01/16 01Z,  -0.80,   1.88,   1.05,  99.90,  -0.03,
01/16 02Z,  -0.80,   1.05,   0.14,  99.90,  -0.11,  (min)
01/16 03Z,  -0.80,   1.62,   0.63,  99.90,  -0.19,
01/16 04Z,  -0.90,   3.41,   2.25,  99.90,  -0.26,
01/16 05Z,  -0.90,   5.96,   4.83,  99.90,  -0.23,
01/16 06Z,  -0.90,   8.67,   7.48,  99.90,  -0.29,
01/16 07Z,  -0.90,  10.94,   9.90,  99.90,  -0.14,
01/16 08Z,  -0.90,  12.29,  11.43,  99.90,   0.04,
01/16 09Z,  -0.90,  12.47,  11.71,  99.90,   0.14,  (max)
01/16 10Z,  -0.90,  11.51,  10.77,  99.90,   0.16,
01/16 11Z,  -0.80,   9.77,   9.09,  99.90,   0.12,
01/16 12Z,  -0.80,   7.85,   7.15,  99.90,   0.10,
01/16 13Z,  -0.80,   6.41,   5.55,  99.90,  -0.06,
01/16 14Z,  -0.80,   5.95,   5.02,  99.90,  -0.13,  (min)
01/16 15Z,  -0.70,   6.68,   5.81,  99.90,  -0.17,
01/16 16Z,  -0.70,   8.46,   7.59,  99.90,  -0.17,
01/16 17Z,  -0.70,  10.82,   9.97,  99.90,  -0.15,
01/16 18Z,  -0.70,  13.15,  12.27,  99.90,  -0.18,
01/16 19Z,  -0.70,  14.82,  13.98,  99.90,  -0.14,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/16 20Z,  -0.70,  15.34,  99.90,  14.50,  -0.15,  (max)
01/16 21Z,  -0.60,  14.47,  99.90,  13.71,  -0.15,
01/16 22Z,  -0.60,  12.24,  99.90,  11.48,  -0.16,
01/16 23Z,  -0.50,   9.06,  99.90,   8.38,  -0.17,
01/17 00Z,  -0.50,   5.55,  99.90,   4.87,  -0.18,
01/17 01Z,  -0.60,   2.50,  99.90,   1.71,  -0.19,
01/17 02Z,  -0.60,   0.60,  99.90,  -0.20,  -0.20,
01/17 03Z,  -0.70,   0.24,  99.90,  -0.67,  -0.21,  (min)
01/17 04Z,  -0.70,   1.45,  99.90,   0.53,  -0.22,
01/17 05Z,  -0.70,   3.89,  99.90,   2.96,  -0.23,
01/17 06Z,  -0.70,   6.95,  99.90,   6.02,  -0.23,
01/17 07Z,  -0.70,   9.94,  99.90,   8.99,  -0.24,
01/17 08Z,  -0.70,  12.19,  99.90,  11.25,  -0.24,
01/17 09Z,  -0.70,  13.24,  99.90,  12.29,  -0.24,  (max)
01/17 10Z,  -0.70,  12.89,  99.90,  11.94,  -0.24,
01/17 11Z,  -0.70,  11.32,  99.90,  10.37,  -0.24,
01/17 12Z,  -0.70,   9.06,  99.90,   8.12,  -0.24,
01/17 13Z,  -0.60,   6.86,  99.90,   6.02,  -0.24,
01/17 14Z,  -0.50,   5.46,  99.90,   4.72,  -0.24,
01/17 15Z,  -0.50,   5.35,  99.90,   4.61,  -0.24,  (min)
01/17 16Z,  -0.50,   6.61,  99.90,   5.87,  -0.24,
01/17 17Z,  -0.50,   8.93,  99.90,   8.18,  -0.24,
01/17 18Z,  -0.50,  11.69,  99.90,  10.95,  -0.24,
01/17 19Z,  -0.60,  14.18,  99.90,  13.34,  -0.24,
01/17 20Z,  -0.60,  15.72,  99.90,  14.88,  -0.24,
01/17 21Z,  -0.60,  15.83,  99.90,  14.99,  -0.24,  (max)
01/17 22Z,  -0.60,  14.33,  99.90,  13.49,  -0.24,
01/17 23Z,  -0.50,  11.42,  99.90,  10.67,  -0.24,
01/18 00Z,  -0.50,   7.65,  99.90,   6.91,  -0.24,
01/18 01Z,  -0.50,   3.86,  99.90,   3.11,  -0.24,
01/18 02Z,  -0.50,   0.92,  99.90,   0.17,  -0.24,
01/18 03Z,  -0.50,  -0.51,  99.90,  -1.25,  -0.24,  (min)
01/18 04Z,  -0.50,  -0.14,  99.90,  -0.89,  -0.24,
01/18 05Z,  -0.50,   1.85,  99.90,   1.11,  -0.24,
01/18 06Z,  -0.50,   4.94,  99.90,   4.20,  -0.24,
01/18 07Z,  -0.50,   8.40,  99.90,   7.65,  -0.24,
01/18 08Z,  -0.50,  11.45,  99.90,  10.70,  -0.24,
01/18 09Z,  -0.50,  13.42,  99.90,  12.68,  -0.24,
01/18 10Z,  -0.50,  13.90,  99.90,  13.16,  -0.24,  (max)
01/18 11Z,  -0.40,  12.83,  99.90,  12.19,  -0.24,
01/18 12Z,  -0.30,  10.58,  99.90,  10.04,  -0.24,
01/18 13Z,  -0.30,   7.89,  99.90,   7.34,  -0.24,
01/18 14Z,  -0.30,   5.62,  99.90,   5.08,  -0.24,
01/18 15Z,  -0.30,   4.53,  99.90,   3.99,  -0.24,  (min)
01/18 16Z,  -0.40,   4.99,  99.90,   4.35,  -0.24,
01/18 17Z,  -0.50,   6.90,  99.90,   6.16,  -0.24,
01/18 18Z,  -0.50,   9.76,  99.90,   9.01,  -0.24,
01/18 19Z,  -0.60,  12.81,  99.90,  11.96,  -0.24,
01/18 20Z,  -0.60,  15.26,  99.90,  14.41,  -0.24,
01/18 21Z,  -0.60,  16.43,  99.90,  15.59,  -0.24,  (max)
01/18 22Z,  -0.50,  15.91,  99.90,  15.17,  -0.24,
01/18 23Z,  -0.50,  13.65,  99.90,  12.90,  -0.24,
01/19 00Z,  -0.40,  10.02,  99.90,   9.38,  -0.24,
01/19 01Z,  -0.30,   5.82,  99.90,   5.28,  -0.24,
01/19 02Z,  -0.30,   2.02,  99.90,   1.47,  -0.24,
01/19 03Z,  -0.30,  -0.49,  99.90,  -1.03,  -0.24,
01/19 04Z,  -0.30,  -1.15,  99.90,  -1.69,  -0.24,  (min)
01/19 05Z,  -0.40,   0.10,  99.90,  -0.54,  -0.24,
01/19 06Z,  -0.50,   2.89,  99.90,   2.15,  -0.24,
01/19 07Z,  -0.60,   6.51,  99.90,   5.67,  -0.24,
01/19 08Z,  -0.60,  10.14,  99.90,   9.30,  -0.24,
01/19 09Z,  -0.60,  12.98,  99.90,  12.13,  -0.24,
01/19 10Z,  -0.50,  14.40,  99.90,  13.65,  -0.24,  (max)
01/19 11Z,  -0.50,  14.10,  99.90,  13.36,  -0.24,
01/19 12Z,  -0.50,  12.23,  99.90,  11.49,  -0.24,
01/19 13Z,  -0.40,   9.38,  99.90,   8.73,  -0.24,
01/19 14Z,  -0.40,   6.45,  99.90,   5.81,  -0.24,
01/19 15Z,  -0.40,   4.39,  99.90,   3.75,  -0.24,
01/19 16Z,  -0.40,   3.85,  99.90,   3.21,  -0.24,  (min)
01/19 17Z,  -0.40,   5.02,  99.90,   4.37,  -0.24,
01/19 18Z,  -0.50,   7.57,  99.90,   6.83,  -0.24,
01/19 19Z,  -0.50,  10.83,  99.90,  10.09,  -0.24,
01/19 20Z,  -0.50,  13.96,  99.90,  13.22,  -0.24,
01/19 21Z,  -0.50,  16.14,  99.90,  15.39,  -0.24,
01/19 22Z,  -0.50,  16.72,  99.90,  15.98,  -0.24,  (max)
01/19 23Z,  -0.50,  15.41,  99.90,  14.67,  -0.24,
01/20 00Z,  -0.40,  12.36,  99.90,  11.72,  -0.24,
01/20 01Z,  -0.40,   8.18,  99.90,   7.53,  -0.24,
01/20 02Z,  -0.40,   3.83,  99.90,   3.19,  -0.24,
01/20 03Z,  -0.40,   0.37,  99.90,  -0.27,  -0.24,
01/20 04Z,  -0.50,  -1.39,  99.90,  -2.13,  -0.24,  (min)
01/20 05Z,  -0.50,  -1.09,  99.90,  -1.84,  -0.24,
01/20 06Z,  -0.60,   1.07,  99.90,   0.23,  -0.24,
01/20 07Z,  -0.70,   4.53,  99.90,   3.58,  -0.24,
01/20 08Z,  -0.70,   8.45,  99.90,   7.50,  -0.24,
01/20 09Z,  -0.70,  11.96,  99.90,  11.02,  -0.24,
01/20 10Z,  -0.60,  14.30,  99.90,  13.45,  -0.24,
01/20 11Z,  -0.50,  14.93,  99.90,  14.19,  -0.24,  (max)
01/20 12Z,  -0.40,  13.76,  99.90,  13.11,  -0.24,