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
#Yakutat, AK : 10/18/2026 02:22:50 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/16 06Z,   0.30,   1.30,   1.22,  99.90,  -0.38,
10/16 07Z,   0.30,   0.87,   1.02,  99.90,  -0.15,  (min)
10/16 08Z,   0.30,   1.28,   1.50,  99.90,  -0.08,
10/16 09Z,   0.40,   2.36,   2.64,  99.90,  -0.12,
10/16 10Z,   0.50,   3.84,   3.93,  99.90,  -0.41,
10/16 11Z,   0.70,   5.36,   5.63,  99.90,  -0.43,
10/16 12Z,   0.50,   6.57,   6.99,  99.90,  -0.08,
10/16 13Z,   0.50,   7.25,   7.65,  99.90,  -0.10,  (max)
10/16 14Z,   0.50,   7.31,   7.58,  99.90,  -0.23,
10/16 15Z,   0.60,   6.83,   7.04,  99.90,  -0.39,
10/16 16Z,   0.60,   6.06,   6.49,  99.90,  -0.17,
10/16 17Z,   0.60,   5.27,   5.42,  99.90,  -0.45,
10/16 18Z,   0.50,   4.77,   4.97,  99.90,  -0.30,
10/16 19Z,   0.40,   4.75,   4.92,  99.90,  -0.23,  (min)
10/16 20Z,   0.40,   5.25,   5.26,  99.90,  -0.39,
10/16 21Z,   0.40,   6.19,   6.19,  99.90,  -0.40,
10/16 22Z,   0.50,   7.33,   7.42,  99.90,  -0.41,
10/16 23Z,   0.50,   8.38,   8.51,  99.90,  -0.37,
10/17 00Z,   0.20,   9.03,   9.21,  99.90,  -0.02,
10/17 01Z,   0.20,   9.09,   9.22,  99.90,  -0.07,  (max)
10/17 02Z,   0.20,   8.49,   8.63,  99.90,  -0.06,
10/17 03Z,   0.20,   7.29,   7.52,  99.90,   0.03,
10/17 04Z,   0.30,   5.72,   5.86,  99.90,  -0.16,
10/17 05Z,   0.30,   4.08,   4.07,  99.90,  -0.31,
10/17 06Z,   0.00,   2.68,   2.73,  99.90,   0.05,
10/17 07Z,   0.10,   1.79,   1.86,  99.90,  -0.03,
10/17 08Z,   0.20,   1.54,   1.49,  99.90,  -0.25,  (min)
10/17 09Z,   0.30,   1.94,   2.04,  99.90,  -0.20,
10/17 10Z,   0.30,   2.85,   3.04,  99.90,  -0.11,
10/17 11Z,   0.40,   4.05,   4.22,  99.90,  -0.23,
10/17 12Z,   0.10,   5.26,   5.58,  99.90,   0.22,
10/17 13Z,   0.20,   6.22,   6.51,  99.90,   0.09,
10/17 14Z,   0.30,   6.76,   7.10,  99.90,   0.04,
10/17 15Z,   0.40,   6.85,   7.18,  99.90,  -0.07,  (max)
10/17 16Z,   0.50,   6.54,   6.86,  99.90,  -0.18,
10/17 17Z,   0.60,   6.02,   6.27,  99.90,  -0.35,
10/17 18Z,   0.30,   5.50,   5.61,  99.90,  -0.19,
10/17 19Z,   0.40,   5.20,   5.35,  99.90,  -0.25,  (min)
10/17 20Z,   0.50,   5.25,   5.37,  99.90,  -0.38,
10/17 21Z,   0.60,   5.68,   5.89,  99.90,  -0.39,
10/17 22Z,   0.60,   6.40,   6.59,  99.90,  -0.41,
10/17 23Z,   0.60,   7.24,   7.40,  99.90,  -0.44,
10/18 00Z,   0.60,   7.98,   8.24,  99.90,  -0.34,
10/18 01Z,   0.50,   8.41,   8.46,  99.90,  -0.45,
10/18 02Z,   0.40,   8.37,   8.51,  99.90,  -0.26,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/18 03Z,   0.40,   7.81,  99.90,   7.95,  -0.26,
10/18 04Z,   0.30,   6.81,  99.90,   6.84,  -0.27,
10/18 05Z,   0.30,   5.53,  99.90,   5.55,  -0.28,
10/18 06Z,   0.20,   4.19,  99.90,   4.11,  -0.29,
10/18 07Z,   0.20,   3.04,  99.90,   2.95,  -0.29,
10/18 08Z,   0.20,   2.27,  99.90,   2.17,  -0.30,
10/18 09Z,   0.20,   2.02,  99.90,   1.91,  -0.31,  (min)
10/18 10Z,   0.10,   2.29,  99.90,   2.08,  -0.31,
10/18 11Z,   0.10,   3.01,  99.90,   2.78,  -0.32,
10/18 12Z,   0.10,   3.99,  99.90,   3.76,  -0.33,
10/18 13Z,   0.00,   5.03,  99.90,   4.69,  -0.34,
10/18 14Z,   0.00,   5.92,  99.90,   5.57,  -0.34,
10/18 15Z,   0.00,   6.50,  99.90,   6.16,  -0.34,
10/18 16Z,  -0.10,   6.72,  99.90,   6.28,  -0.34,  (max)
10/18 17Z,  -0.10,   6.60,  99.90,   6.15,  -0.34,
10/18 18Z,  -0.20,   6.25,  99.90,   5.71,  -0.34,
10/18 19Z,  -0.20,   5.84,  99.90,   5.30,  -0.34,
10/18 20Z,  -0.20,   5.54,  99.90,   5.00,  -0.34,
10/18 21Z,  -0.20,   5.47,  99.90,   4.93,  -0.34,  (min)
10/18 22Z,  -0.30,   5.69,  99.90,   5.05,  -0.34,
10/18 23Z,  -0.40,   6.17,  99.90,   5.43,  -0.34,
10/19 00Z,  -0.40,   6.79,  99.90,   6.04,  -0.34,
10/19 01Z,  -0.40,   7.38,  99.90,   6.64,  -0.34,
10/19 02Z,  -0.50,   7.77,  99.90,   6.93,  -0.34,
10/19 03Z,  -0.50,   7.82,  99.90,   6.98,  -0.34,  (max)
10/19 04Z,  -0.50,   7.46,  99.90,   6.61,  -0.34,
10/19 05Z,  -0.40,   6.69,  99.90,   5.95,  -0.34,
10/19 06Z,  -0.40,   5.63,  99.90,   4.89,  -0.34,
10/19 07Z,  -0.40,   4.46,  99.90,   3.71,  -0.34,
10/19 08Z,  -0.30,   3.37,  99.90,   2.73,  -0.34,
10/19 09Z,  -0.30,   2.57,  99.90,   1.93,  -0.34,
10/19 10Z,  -0.30,   2.20,  99.90,   1.56,  -0.34,  (min)
10/19 11Z,  -0.30,   2.33,  99.90,   1.69,  -0.34,
10/19 12Z,  -0.30,   2.92,  99.90,   2.28,  -0.34,
10/19 13Z,  -0.40,   3.84,  99.90,   3.10,  -0.34,
10/19 14Z,  -0.40,   4.90,  99.90,   4.16,  -0.34,
10/19 15Z,  -0.40,   5.89,  99.90,   5.14,  -0.34,
10/19 16Z,  -0.50,   6.62,  99.90,   5.78,  -0.34,
10/19 17Z,  -0.50,   6.98,  99.90,   6.14,  -0.34,  (max)
10/19 18Z,  -0.50,   6.95,  99.90,   6.11,  -0.34,
10/19 19Z,  -0.40,   6.60,  99.90,   5.86,  -0.34,
10/19 20Z,  -0.40,   6.09,  99.90,   5.35,  -0.34,
10/19 21Z,  -0.30,   5.59,  99.90,   4.95,  -0.34,
10/19 22Z,  -0.20,   5.28,  99.90,   4.74,  -0.34,
10/19 23Z,  -0.20,   5.27,  99.90,   4.73,  -0.34,  (min)
10/20 00Z,  -0.10,   5.57,  99.90,   5.13,  -0.34,
10/20 01Z,  -0.10,   6.12,  99.90,   5.67,  -0.34,
10/20 02Z,  -0.10,   6.76,  99.90,   6.32,  -0.34,
10/20 03Z,  -0.10,   7.30,  99.90,   6.86,  -0.34,
10/20 04Z,   0.00,   7.57,  99.90,   7.23,  -0.34,  (max)
10/20 05Z,   0.00,   7.43,  99.90,   7.09,  -0.34,
10/20 06Z,   0.00,   6.85,  99.90,   6.51,  -0.34,
10/20 07Z,   0.10,   5.88,  99.90,   5.64,  -0.34,
10/20 08Z,   0.20,   4.70,  99.90,   4.55,  -0.34,
10/20 09Z,   0.20,   3.51,  99.90,   3.37,  -0.34,
10/20 10Z,   0.20,   2.58,  99.90,   2.44,  -0.34,
10/20 11Z,   0.20,   2.10,  99.90,   1.95,  -0.34,  (min)
10/20 12Z,   0.20,   2.17,  99.90,   2.03,  -0.34,
10/20 13Z,   0.40,   2.79,  99.90,   2.85,  -0.34,
10/20 14Z,   0.40,   3.84,  99.90,   3.90,  -0.34,
10/20 15Z,   0.50,   5.09,  99.90,   5.25,  -0.34,
10/20 16Z,   0.50,   6.28,  99.90,   6.44,  -0.34,
10/20 17Z,   0.60,   7.16,  99.90,   7.42,  -0.34,
10/20 18Z,   0.70,   7.56,  99.90,   7.92,  -0.34,  (max)
10/20 19Z,   0.80,   7.44,  99.90,   7.90,  -0.34,
10/20 20Z,   1.00,   6.88,  99.90,   7.54,  -0.34,
10/20 21Z,   1.10,   6.06,  99.90,   6.82,  -0.34,
10/20 22Z,   1.20,   5.23,  99.90,   6.09,  -0.34,
10/20 23Z,   1.30,   4.64,  99.90,   5.60,  -0.34,
10/21 00Z,   1.30,   4.46,  99.90,   5.42,  -0.34,  (min)
10/21 01Z,   1.20,   4.74,  99.90,   5.60,  -0.34,
10/21 02Z,   1.10,   5.41,  99.90,   6.17,  -0.34,
10/21 03Z,   1.00,   6.29,  99.90,   6.95,  -0.34,
10/21 04Z,   1.00,   7.12,  99.90,   7.78,  -0.34,
10/21 05Z,   0.90,   7.65,  99.90,   8.21,  -0.34,
10/21 06Z,   0.90,   7.69,  99.90,   8.25,  -0.34,  (max)
10/21 07Z,   0.90,   7.15,  99.90,   7.71,  -0.34,
10/21 08Z,   0.80,   6.11,  99.90,   6.57,  -0.34,
10/21 09Z,   0.80,   4.77,  99.90,   5.23,  -0.34,
10/21 10Z,   0.80,   3.41,  99.90,   3.87,  -0.34,
10/21 11Z,   0.80,   2.34,  99.90,   2.80,  -0.34,
10/21 12Z,   0.80,   1.83,  99.90,   2.29,  -0.34,  (min)
10/21 13Z,   0.80,   2.01,  99.90,   2.47,  -0.34,
10/21 14Z,   0.70,   2.86,  99.90,   3.22,  -0.34,
10/21 15Z,   0.60,   4.21,  99.90,   4.46,  -0.34,
10/21 16Z,   0.50,   5.74,  99.90,   5.90,  -0.34,
10/21 17Z,   0.40,   7.12,  99.90,   7.18,  -0.34,
10/21 18Z,   0.40,   8.04,  99.90,   8.09,  -0.34,