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
#Skagway, AK : 07/17/2026 23:07:55 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/16 06Z,   1.50,   3.22,   2.66,  99.90,  -2.06,  (min)
07/16 07Z,   1.50,   6.82,   6.22,  99.90,  -2.10,
07/16 08Z,   1.50,  11.38,  10.53,  99.90,  -2.35,
07/16 09Z,   1.50,  15.73,  15.07,  99.90,  -2.16,
07/16 10Z,   1.40,  18.74,  18.46,  99.90,  -1.68,
07/16 11Z,   1.30,  19.59,  19.25,  99.90,  -1.64,  (max)
07/16 12Z,   1.40,  18.05,  17.62,  99.90,  -1.83,
07/16 13Z,   1.30,  14.40,  13.81,  99.90,  -1.89,
07/16 14Z,   1.30,   9.21,   8.61,  99.90,  -1.90,
07/16 15Z,   1.30,   3.49,   2.93,  99.90,  -1.86,
07/16 16Z,   1.30,  -1.31,  -1.93,  99.90,  -1.92,
07/16 17Z,   1.20,  -3.81,  -4.59,  99.90,  -1.98,  (min)
07/16 18Z,   1.30,  -3.37,  -4.09,  99.90,  -2.02,
07/16 19Z,   1.30,  -0.36,  -1.05,  99.90,  -1.99,
07/16 20Z,   1.30,   4.29,   3.26,  99.90,  -2.33,
07/16 21Z,   1.30,   9.44,   8.43,  99.90,  -2.31,
07/16 22Z,   1.40,  13.94,  13.23,  99.90,  -2.11,
07/16 23Z,   1.40,  16.81,  15.99,  99.90,  -2.22,
07/17 00Z,   1.30,  17.55,  16.60,  99.90,  -2.25,  (max)
07/17 01Z,   1.30,  16.18,  15.28,  99.90,  -2.20,
07/17 02Z,   1.30,  13.03,  12.44,  99.90,  -1.89,
07/17 03Z,   1.30,   8.75,   8.35,  99.90,  -1.70,
07/17 04Z,   1.30,   4.51,   3.99,  99.90,  -1.82,
07/17 05Z,   1.30,   1.71,   0.92,  99.90,  -2.09,
07/17 06Z,   1.30,   1.33,   0.51,  99.90,  -2.12,  (min)
07/17 07Z,   1.40,   3.41,   2.74,  99.90,  -2.07,
07/17 08Z,   1.40,   7.22,   6.29,  99.90,  -2.33,
07/17 09Z,   1.40,  11.73,  10.65,  99.90,  -2.48,
07/17 10Z,   1.40,  15.80,  14.90,  99.90,  -2.30,
07/17 11Z,   1.40,  18.35,  17.78,  99.90,  -1.97,
07/17 12Z,   1.40,  18.70,  18.20,  99.90,  -1.90,  (max)
07/17 13Z,   1.40,  16.76,  16.09,  99.90,  -2.07,
07/17 14Z,   1.40,  12.89,  12.21,  99.90,  -2.08,
07/17 15Z,   1.40,   7.77,   7.14,  99.90,  -2.03,
07/17 16Z,   1.40,   2.48,   1.95,  99.90,  -1.93,
07/17 17Z,   1.40,  -1.54,  -2.29,  99.90,  -2.15,
07/17 18Z,   1.40,  -3.11,  -4.01,  99.90,  -2.30,  (min)
07/17 19Z,   1.40,  -1.89,  -2.46,  99.90,  -1.97,
07/17 20Z,   1.40,   1.58,   0.91,  99.90,  -2.07,
07/17 21Z,   1.50,   6.30,   5.59,  99.90,  -2.21,
07/17 22Z,   1.60,  11.18,  10.57,  99.90,  -2.21,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/17 23Z,   1.80,  15.15,  99.90,  14.75,  -2.20,
07/18 00Z,   1.90,  17.33,  99.90,  17.04,  -2.19,
07/18 01Z,   2.00,  17.37,  99.90,  17.19,  -2.18,  (max)
07/18 02Z,   2.00,  15.40,  99.90,  15.23,  -2.17,
07/18 03Z,   2.10,  11.87,  99.90,  11.82,  -2.16,
07/18 04Z,   2.10,   7.55,  99.90,   7.51,  -2.15,
07/18 05Z,   2.10,   3.63,  99.90,   3.60,  -2.13,
07/18 06Z,   2.00,   1.40,  99.90,   1.27,  -2.12,  (min)
07/18 07Z,   1.90,   1.55,  99.90,   1.34,  -2.11,
07/18 08Z,   1.70,   3.91,  99.90,   3.51,  -2.10,
07/18 09Z,   1.70,   7.68,  99.90,   7.29,  -2.09,
07/18 10Z,   1.60,  11.86,  99.90,  11.38,  -2.08,
07/18 11Z,   1.60,  15.41,  99.90,  14.94,  -2.08,
07/18 12Z,   1.60,  17.38,  99.90,  16.91,  -2.08,  (max)
07/18 13Z,   1.50,  17.24,  99.90,  16.66,  -2.08,
07/18 14Z,   1.50,  15.03,  99.90,  14.45,  -2.08,
07/18 15Z,   1.50,  11.21,  99.90,  10.63,  -2.08,
07/18 16Z,   1.50,   6.52,  99.90,   5.94,  -2.08,
07/18 17Z,   1.50,   2.02,  99.90,   1.45,  -2.08,
07/18 18Z,   1.50,  -1.00,  99.90,  -1.57,  -2.08,
07/18 19Z,   1.50,  -1.62,  99.90,  -2.20,  -2.08,  (min)
07/18 20Z,   1.60,   0.22,  99.90,  -0.26,  -2.08,
07/18 21Z,   1.60,   3.86,  99.90,   3.38,  -2.08,
07/18 22Z,   1.60,   8.35,  99.90,   7.87,  -2.08,
07/18 23Z,   1.60,  12.69,  99.90,  12.21,  -2.08,
07/19 00Z,   1.60,  15.92,  99.90,  15.44,  -2.08,
07/19 01Z,   1.60,  17.32,  99.90,  16.84,  -2.08,  (max)
07/19 02Z,   1.50,  16.68,  99.90,  16.11,  -2.08,
07/19 03Z,   1.50,  14.29,  99.90,  13.71,  -2.08,
07/19 04Z,   1.50,  10.66,  99.90,  10.08,  -2.08,
07/19 05Z,   1.40,   6.59,  99.90,   5.91,  -2.08,
07/19 06Z,   1.40,   3.20,  99.90,   2.52,  -2.08,
07/19 07Z,   1.40,   1.56,  99.90,   0.89,  -2.08,  (min)
07/19 08Z,   1.30,   2.13,  99.90,   1.35,  -2.08,
07/19 09Z,   1.20,   4.53,  99.90,   3.66,  -2.08,
07/19 10Z,   1.20,   8.00,  99.90,   7.13,  -2.08,
07/19 11Z,   1.10,  11.65,  99.90,  10.68,  -2.08,
07/19 12Z,   1.10,  14.57,  99.90,  13.59,  -2.08,
07/19 13Z,   1.10,  15.95,  99.90,  14.97,  -2.08,  (max)
07/19 14Z,   1.10,  15.43,  99.90,  14.45,  -2.08,
07/19 15Z,   1.20,  13.19,  99.90,  12.31,  -2.08,
07/19 16Z,   1.20,   9.75,  99.90,   8.87,  -2.08,
07/19 17Z,   1.20,   5.79,  99.90,   4.91,  -2.08,
07/19 18Z,   1.10,   2.29,  99.90,   1.31,  -2.08,
07/19 19Z,   1.10,   0.29,  99.90,  -0.68,  -2.08,  (min)
07/19 20Z,   1.10,   0.45,  99.90,  -0.53,  -2.08,
07/19 21Z,   1.00,   2.62,  99.90,   1.55,  -2.08,
07/19 22Z,   1.10,   6.12,  99.90,   5.15,  -2.08,
07/19 23Z,   1.10,  10.11,  99.90,   9.14,  -2.08,
07/20 00Z,   1.10,  13.73,  99.90,  12.76,  -2.08,
07/20 01Z,   1.20,  16.15,  99.90,  15.27,  -2.08,
07/20 02Z,   1.20,  16.80,  99.90,  15.93,  -2.08,  (max)
07/20 03Z,   1.20,  15.66,  99.90,  14.79,  -2.08,
07/20 04Z,   1.20,  13.09,  99.90,  12.21,  -2.08,
07/20 05Z,   1.30,   9.61,  99.90,   8.84,  -2.08,
07/20 06Z,   1.30,   5.99,  99.90,   5.22,  -2.08,
07/20 07Z,   1.20,   3.20,  99.90,   2.33,  -2.08,
07/20 08Z,   1.20,   2.08,  99.90,   1.20,  -2.08,  (min)
07/20 09Z,   1.10,   2.84,  99.90,   1.86,  -2.08,
07/20 10Z,   1.00,   5.06,  99.90,   3.98,  -2.08,
07/20 11Z,   0.80,   8.05,  99.90,   6.77,  -2.08,
07/20 12Z,   0.70,  11.07,  99.90,   9.69,  -2.08,
07/20 13Z,   0.70,  13.36,  99.90,  11.99,  -2.08,
07/20 14Z,   0.70,  14.27,  99.90,  12.90,  -2.08,  (max)
07/20 15Z,   0.80,  13.60,  99.90,  12.33,  -2.08,
07/20 16Z,   1.00,  11.62,  99.90,  10.54,  -2.08,
07/20 17Z,   1.20,   8.81,  99.90,   7.93,  -2.08,
07/20 18Z,   1.30,   5.75,  99.90,   4.97,  -2.08,
07/20 19Z,   1.50,   3.23,  99.90,   2.65,  -2.08,
07/20 20Z,   1.50,   2.09,  99.90,   1.52,  -2.08,  (min)
07/20 21Z,   1.50,   2.74,  99.90,   2.16,  -2.08,
07/20 22Z,   1.40,   4.93,  99.90,   4.25,  -2.08,
07/20 23Z,   1.30,   8.03,  99.90,   7.25,  -2.08,
07/21 00Z,   1.20,  11.37,  99.90,  10.49,  -2.08,
07/21 01Z,   1.20,  14.22,  99.90,  13.35,  -2.08,
07/21 02Z,   1.20,  15.90,  99.90,  15.02,  -2.08,
07/21 03Z,   1.30,  15.98,  99.90,  15.20,  -2.08,  (max)
07/21 04Z,   1.40,  14.57,  99.90,  13.89,  -2.08,
07/21 05Z,   1.60,  12.05,  99.90,  11.57,  -2.08,
07/21 06Z,   1.70,   8.91,  99.90,   8.54,  -2.08,
07/21 07Z,   1.70,   5.80,  99.90,   5.42,  -2.08,
07/21 08Z,   1.70,   3.52,  99.90,   3.14,  -2.08,
07/21 09Z,   1.60,   2.71,  99.90,   2.23,  -2.08,  (min)
07/21 10Z,   1.50,   3.45,  99.90,   2.87,  -2.08,
07/21 11Z,   1.40,   5.31,  99.90,   4.63,  -2.08,
07/21 12Z,   1.30,   7.75,  99.90,   6.98,  -2.08,
07/21 13Z,  99.90,  10.20,  99.90,  99.90,  -2.08,
07/21 14Z,  99.90,  12.02,  99.90,  99.90,  -2.08,
07/21 15Z,  99.90,  12.69,  99.90,  99.90,  -2.08,
07/21 16Z,  99.90,  12.13,  99.90,  99.90,  -2.08,
07/21 17Z,  99.90,  10.62,  99.90,  99.90,  -2.08,
07/21 18Z,  99.90,   8.54,  99.90,  99.90,  -2.08,