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
#Kodiak Island, AK : 10/17/2026 18:22:45 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/16 00Z,   0.20,   8.41,   8.64,  99.90,   0.03,
10/16 01Z,   0.10,   8.72,   8.70,  99.90,  -0.12,  (max)
10/16 02Z,   0.00,   8.24,   8.35,  99.90,   0.11,
10/16 03Z,   0.00,   7.08,   7.15,  99.90,   0.07,
10/16 04Z,  -0.10,   5.47,   5.32,  99.90,  -0.05,
10/16 05Z,  -0.10,   3.70,   3.77,  99.90,   0.17,
10/16 06Z,   0.00,   2.09,   2.07,  99.90,  -0.02,
10/16 07Z,  -0.10,   1.01,   0.99,  99.90,   0.08,
10/16 08Z,  -0.20,   0.73,   0.85,  99.90,   0.32,  (min)
10/16 09Z,  -0.20,   1.18,   1.33,  99.90,   0.35,
10/16 10Z,  -0.20,   2.12,   2.21,  99.90,   0.29,
10/16 11Z,  -0.30,   3.31,   3.51,  99.90,   0.50,
10/16 12Z,  -0.10,   4.52,   4.75,  99.90,   0.33,
10/16 13Z,  -0.10,   5.48,   5.63,  99.90,   0.25,
10/16 14Z,  -0.10,   5.96,   6.17,  99.90,   0.31,  (max)
10/16 15Z,  -0.10,   5.94,   6.11,  99.90,   0.27,
10/16 16Z,  -0.10,   5.54,   5.71,  99.90,   0.27,
10/16 17Z,  -0.10,   4.95,   5.13,  99.90,   0.28,
10/16 18Z,   0.00,   4.31,   4.29,  99.90,  -0.02,
10/16 19Z,   0.00,   3.91,   3.81,  99.90,  -0.10,  (min)
10/16 20Z,   0.00,   3.99,   3.97,  99.90,  -0.02,
10/16 21Z,   0.00,   4.58,   4.52,  99.90,  -0.06,
10/16 22Z,   0.00,   5.50,   5.47,  99.90,  -0.03,
10/16 23Z,   0.00,   6.52,   6.45,  99.90,  -0.07,
10/17 00Z,   0.00,   7.44,   7.36,  99.90,  -0.08,
10/17 01Z,   0.00,   8.04,   7.90,  99.90,  -0.14,
10/17 02Z,  -0.10,   8.07,   7.91,  99.90,  -0.06,  (max)
10/17 03Z,  -0.20,   7.46,   7.38,  99.90,   0.12,
10/17 04Z,  -0.20,   6.34,   6.14,  99.90,  -0.00,
10/17 05Z,  -0.30,   4.94,   4.66,  99.90,   0.02,
10/17 06Z,  -0.20,   3.48,   3.27,  99.90,  -0.01,
10/17 07Z,  -0.20,   2.20,   2.01,  99.90,   0.01,
10/17 08Z,  -0.30,   1.43,   1.21,  99.90,   0.08,
10/17 09Z,  -0.30,   1.30,   1.12,  99.90,   0.12,  (min)
10/17 10Z,  -0.40,   1.73,   1.47,  99.90,   0.14,
10/17 11Z,  -0.40,   2.49,   2.22,  99.90,   0.13,
10/17 12Z,  -0.20,   3.44,   3.34,  99.90,   0.10,
10/17 13Z,  -0.30,   4.40,   4.15,  99.90,   0.05,
10/17 14Z,  -0.40,   5.15,   4.85,  99.90,   0.10,
10/17 15Z,  -0.30,   5.52,   5.29,  99.90,   0.07,  (max)
10/17 16Z,  -0.30,   5.53,   5.28,  99.90,   0.05,
10/17 17Z,  -0.30,   5.29,   4.93,  99.90,  -0.06,
10/17 18Z,  -0.30,   4.91,   4.49,  99.90,  -0.12,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/17 19Z,  -0.20,   4.51,  99.90,   4.20,  -0.11,
10/17 20Z,  -0.10,   4.29,  99.90,   4.10,  -0.09,  (min)
10/17 21Z,   0.00,   4.44,  99.90,   4.37,  -0.08,
10/17 22Z,  -0.10,   4.95,  99.90,   4.79,  -0.06,
10/17 23Z,  -0.10,   5.66,  99.90,   5.51,  -0.05,
10/18 00Z,  -0.10,   6.40,  99.90,   6.27,  -0.03,
10/18 01Z,  -0.10,   7.06,  99.90,   6.95,  -0.02,
10/18 02Z,  -0.10,   7.47,  99.90,   7.37,  -0.00,  (max)
10/18 03Z,  -0.20,   7.41,  99.90,   7.23,   0.01,
10/18 04Z,  -0.30,   6.84,  99.90,   6.57,   0.03,
10/18 05Z,  -0.40,   5.90,  99.90,   5.54,   0.04,
10/18 06Z,  -0.40,   4.74,  99.90,   4.40,   0.06,
10/18 07Z,  -0.40,   3.54,  99.90,   3.20,   0.06,
10/18 08Z,  -0.40,   2.48,  99.90,   2.14,   0.06,
10/18 09Z,  -0.40,   1.84,  99.90,   1.50,   0.06,
10/18 10Z,  -0.40,   1.71,  99.90,   1.37,   0.06,  (min)
10/18 11Z,  -0.40,   2.01,  99.90,   1.67,   0.06,
10/18 12Z,  -0.40,   2.58,  99.90,   2.24,   0.06,
10/18 13Z,  -0.30,   3.35,  99.90,   3.10,   0.06,
10/18 14Z,  -0.40,   4.18,  99.90,   3.84,   0.06,
10/18 15Z,  -0.50,   4.89,  99.90,   4.45,   0.06,
10/18 16Z,  -0.50,   5.30,  99.90,   4.86,   0.06,
10/18 17Z,  -0.50,   5.43,  99.90,   4.98,   0.06,  (max)
10/18 18Z,  -0.60,   5.35,  99.90,   4.81,   0.06,
10/18 19Z,  -0.70,   5.12,  99.90,   4.47,   0.06,
10/18 20Z,  -0.60,   4.80,  99.90,   4.26,   0.06,
10/18 21Z,  -0.70,   4.58,  99.90,   3.94,   0.06,  (min)
10/18 22Z,  -0.70,   4.63,  99.90,   3.99,   0.06,
10/18 23Z,  -0.70,   4.94,  99.90,   4.30,   0.06,
10/19 00Z,  -0.60,   5.41,  99.90,   4.87,   0.06,
10/19 01Z,  -0.60,   5.96,  99.90,   5.42,   0.06,
10/19 02Z,  -0.60,   6.51,  99.90,   5.97,   0.06,
10/19 03Z,  -0.60,   6.89,  99.90,   6.35,   0.06,
10/19 04Z,  -0.60,   6.91,  99.90,   6.36,   0.06,  (max)
10/19 05Z,  -0.60,   6.49,  99.90,   5.95,   0.06,
10/19 06Z,  -0.50,   5.75,  99.90,   5.31,   0.06,
10/19 07Z,  -0.50,   4.80,  99.90,   4.36,   0.06,
10/19 08Z,  -0.50,   3.74,  99.90,   3.30,   0.06,
10/19 09Z,  -0.50,   2.75,  99.90,   2.31,   0.06,
10/19 10Z,  -0.50,   2.09,  99.90,   1.65,   0.06,
10/19 11Z,  -0.50,   1.86,  99.90,   1.42,   0.06,  (min)
10/19 12Z,  -0.50,   2.01,  99.90,   1.57,   0.06,
10/19 13Z,  -0.60,   2.48,  99.90,   1.94,   0.06,
10/19 14Z,  -0.60,   3.21,  99.90,   2.67,   0.06,
10/19 15Z,  -0.60,   4.09,  99.90,   3.55,   0.06,
10/19 16Z,  -0.60,   4.88,  99.90,   4.34,   0.06,
10/19 17Z,  -0.60,   5.42,  99.90,   4.88,   0.06,
10/19 18Z,  -0.60,   5.67,  99.90,   5.13,   0.06,
10/19 19Z,  -0.50,   5.67,  99.90,   5.23,   0.06,  (max)
10/19 20Z,  -0.50,   5.43,  99.90,   4.98,   0.06,
10/19 21Z,  -0.50,   5.00,  99.90,   4.56,   0.06,
10/19 22Z,  -0.50,   4.61,  99.90,   4.17,   0.06,
10/19 23Z,  -0.40,   4.45,  99.90,   4.10,   0.06,  (min)
10/20 00Z,  -0.40,   4.54,  99.90,   4.20,   0.06,
10/20 01Z,  -0.40,   4.84,  99.90,   4.50,   0.06,
10/20 02Z,  -0.40,   5.34,  99.90,   5.00,   0.06,
10/20 03Z,  -0.30,   5.95,  99.90,   5.71,   0.06,
10/20 04Z,  -0.30,   6.47,  99.90,   6.22,   0.06,
10/20 05Z,  -0.30,   6.65,  99.90,   6.41,   0.06,  (max)
10/20 06Z,  -0.30,   6.43,  99.90,   6.19,   0.06,
10/20 07Z,  -0.30,   5.86,  99.90,   5.62,   0.06,
10/20 08Z,  -0.20,   4.99,  99.90,   4.85,   0.06,
10/20 09Z,  -0.20,   3.92,  99.90,   3.78,   0.06,
10/20 10Z,  -0.10,   2.86,  99.90,   2.82,   0.06,
10/20 11Z,   0.00,   2.09,  99.90,   2.15,   0.06,
10/20 12Z,   0.00,   1.76,  99.90,   1.82,   0.06,  (min)
10/20 13Z,   0.00,   1.86,  99.90,   1.92,   0.06,
10/20 14Z,   0.00,   2.36,  99.90,   2.42,   0.06,
10/20 15Z,   0.00,   3.23,  99.90,   3.29,   0.06,
10/20 16Z,   0.00,   4.29,  99.90,   4.35,   0.06,
10/20 17Z,   0.00,   5.26,  99.90,   5.32,   0.06,
10/20 18Z,   0.00,   5.91,  99.90,   5.97,   0.06,
10/20 19Z,   0.00,   6.20,  99.90,   6.26,   0.06,  (max)
10/20 20Z,   0.00,   6.12,  99.90,   6.18,   0.06,
10/20 21Z,   0.10,   5.67,  99.90,   5.83,   0.06,
10/20 22Z,   0.10,   4.96,  99.90,   5.12,   0.06,
10/20 23Z,   0.00,   4.28,  99.90,   4.34,   0.06,
10/21 00Z,  -0.10,   3.87,  99.90,   3.83,   0.06,
10/21 01Z,  -0.10,   3.81,  99.90,   3.77,   0.06,  (min)
10/21 02Z,  -0.10,   4.09,  99.90,   4.05,   0.06,
10/21 03Z,  -0.10,   4.71,  99.90,   4.67,   0.06,
10/21 04Z,  -0.20,   5.54,  99.90,   5.39,   0.06,
10/21 05Z,  -0.30,   6.29,  99.90,   6.04,   0.06,
10/21 06Z,  -0.30,   6.68,  99.90,   6.44,   0.06,
10/21 07Z,  -0.20,   6.61,  99.90,   6.47,   0.06,  (max)
10/21 08Z,  -0.20,   6.09,  99.90,   5.95,   0.06,
10/21 09Z,  -0.20,   5.17,  99.90,   5.03,   0.06,
10/21 10Z,  -0.20,   3.96,  99.90,   3.82,   0.06,
10/21 11Z,  -0.30,   2.75,  99.90,   2.51,   0.06,
10/21 12Z,  -0.40,   1.87,  99.90,   1.53,   0.06,