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 : 10/14/2026 22:21:11 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/13 06Z,  -0.20,  -7.47,  -7.44,  99.90,   0.23,  (min)
10/13 07Z,  -0.30,  -4.11,  -4.09,  99.90,   0.32,
10/13 08Z,  -0.20,  -0.15,  -0.22,  99.90,   0.13,
10/13 09Z,  -0.20,   3.47,   3.35,  99.90,   0.08,
10/13 10Z,  -0.20,   5.94,   5.85,  99.90,   0.11,
10/13 11Z,  -0.20,   6.73,   6.73,  99.90,   0.20,  (max)
10/13 12Z,  -0.20,   5.68,   5.81,  99.90,   0.33,
10/13 13Z,  -0.20,   3.11,   3.30,  99.90,   0.39,
10/13 14Z,  -0.20,  -0.21,   0.01,  99.90,   0.42,
10/13 15Z,  -0.20,  -3.27,  -3.13,  99.90,   0.34,
10/13 16Z,  -0.20,  -5.14,  -4.95,  99.90,   0.39,
10/13 17Z,  -0.10,  -5.24,  -5.11,  99.90,   0.23,  (min)
10/13 18Z,  -0.10,  -3.54,  -3.28,  99.90,   0.36,
10/13 19Z,  -0.10,  -0.52,  -0.38,  99.90,   0.24,
10/13 20Z,  -0.10,   3.01,   3.17,  99.90,   0.26,
10/13 21Z,   0.00,   6.15,   6.32,  99.90,   0.17,
10/13 22Z,   0.00,   8.10,   8.41,  99.90,   0.31,
10/13 23Z,   0.10,   8.35,   8.75,  99.90,   0.30,  (max)
10/14 00Z,   0.00,   6.71,   7.17,  99.90,   0.46,
10/14 01Z,   0.00,   3.48,   4.07,  99.90,   0.59,
10/14 02Z,   0.10,  -0.63,  -0.12,  99.90,   0.41,
10/14 03Z,   0.10,  -4.66,  -4.28,  99.90,   0.28,
10/14 04Z,   0.10,  -7.63,  -7.16,  99.90,   0.37,
10/14 05Z,   0.10,  -8.86,  -8.63,  99.90,   0.13,  (min)
10/14 06Z,   0.00,  -8.17,  -7.95,  99.90,   0.22,
10/14 07Z,   0.00,  -5.82,  -5.87,  99.90,  -0.05,
10/14 08Z,   0.00,  -2.49,  -2.66,  99.90,  -0.17,
10/14 09Z,   0.00,   1.03,   0.78,  99.90,  -0.25,
10/14 10Z,   0.00,   3.94,   3.64,  99.90,  -0.30,
10/14 11Z,   0.00,   5.61,   5.33,  99.90,  -0.28,
10/14 12Z,  -0.10,   5.69,   5.39,  99.90,  -0.20,  (max)
10/14 13Z,  -0.10,   4.22,   3.99,  99.90,  -0.13,
10/14 14Z,  -0.20,   1.69,   1.36,  99.90,  -0.13,
10/14 15Z,  -0.20,  -1.14,  -1.39,  99.90,  -0.05,
10/14 16Z,  -0.20,  -3.37,  -3.73,  99.90,  -0.16,
10/14 17Z,  -0.30,  -4.31,  -4.66,  99.90,  -0.05,  (min)
10/14 18Z,  -0.30,  -3.65,  -4.01,  99.90,  -0.06,
10/14 19Z,  -0.30,  -1.59,  -1.97,  99.90,  -0.08,
10/14 20Z,  -0.30,   1.31,   0.75,  99.90,  -0.26,
10/14 21Z,  -0.30,   4.30,   3.61,  99.90,  -0.39,
10/14 22Z,  -0.30,   6.61,   5.99,  99.90,  -0.32,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/14 23Z,  -0.40,   7.63,  99.90,   6.97,  -0.27,  (max)
10/15 00Z,  -0.40,   7.04,  99.90,   6.43,  -0.21,
10/15 01Z,  -0.40,   4.87,  99.90,   4.32,  -0.16,
10/15 02Z,  -0.40,   1.56,  99.90,   1.06,  -0.10,
10/15 03Z,  -0.30,  -2.15,  99.90,  -2.50,  -0.05,
10/15 04Z,  -0.30,  -5.40,  99.90,  -5.69,   0.00,
10/15 05Z,  -0.20,  -7.43,  99.90,  -7.57,   0.06,
10/15 06Z,  -0.20,  -7.83,  99.90,  -7.92,   0.11,  (min)
10/15 07Z,  -0.10,  -6.63,  99.90,  -6.56,   0.17,
10/15 08Z,   0.00,  -4.22,  99.90,  -4.00,   0.22,
10/15 09Z,   0.10,  -1.22,  99.90,  -0.84,   0.27,
10/15 10Z,   0.20,   1.68,  99.90,   2.20,   0.33,
10/15 11Z,   0.30,   3.83,  99.90,   4.46,   0.33,
10/15 12Z,   0.40,   4.80,  99.90,   5.52,   0.33,  (max)
10/15 13Z,   0.40,   4.41,  99.90,   5.14,   0.33,
10/15 14Z,   0.40,   2.85,  99.90,   3.58,   0.33,
10/15 15Z,   0.30,   0.64,  99.90,   1.27,   0.33,
10/15 16Z,   0.30,  -1.51,  99.90,  -0.88,   0.33,
10/15 17Z,   0.30,  -2.91,  99.90,  -2.28,   0.33,
10/15 18Z,   0.30,  -3.11,  99.90,  -2.48,   0.33,  (min)
10/15 19Z,   0.30,  -2.04,  99.90,  -1.41,   0.33,
10/15 20Z,   0.30,   0.02,  99.90,   0.65,   0.33,
10/15 21Z,   0.40,   2.52,  99.90,   3.25,   0.33,
10/15 22Z,   0.40,   4.82,  99.90,   5.54,   0.33,
10/15 23Z,   0.40,   6.31,  99.90,   7.04,   0.33,
10/16 00Z,   0.50,   6.59,  99.90,   7.41,   0.33,  (max)
10/16 01Z,   0.50,   5.48,  99.90,   6.31,   0.33,
10/16 02Z,   0.50,   3.17,  99.90,   3.99,   0.33,
10/16 03Z,   0.40,   0.13,  99.90,   0.86,   0.33,
10/16 04Z,   0.30,  -2.95,  99.90,  -2.32,   0.33,
10/16 05Z,   0.20,  -5.36,  99.90,  -4.84,   0.33,
10/16 06Z,   0.20,  -6.62,  99.90,  -6.09,   0.33,  (min)
10/16 07Z,   0.20,  -6.51,  99.90,  -5.98,   0.33,
10/16 08Z,   0.40,  -5.17,  99.90,  -4.44,   0.33,
10/16 09Z,   0.60,  -3.00,  99.90,  -2.07,   0.33,
10/16 10Z,   0.70,  -0.52,  99.90,   0.51,   0.33,
10/16 11Z,   0.90,   1.72,  99.90,   2.95,   0.33,
10/16 12Z,   1.10,   3.25,  99.90,   4.67,   0.33,
10/16 13Z,   1.30,   3.76,  99.90,   5.39,   0.33,  (max)
10/16 14Z,   1.10,   3.22,  99.90,   4.65,   0.33,
10/16 15Z,   0.90,   1.86,  99.90,   3.09,   0.33,
10/16 16Z,   0.50,   0.17,  99.90,   0.99,   0.33,
10/16 17Z,   0.10,  -1.31,  99.90,  -0.88,   0.33,
10/16 18Z,   0.00,  -2.08,  99.90,  -1.75,   0.33,  (min)
10/16 19Z,  -0.10,  -1.88,  99.90,  -1.65,   0.33,
10/16 20Z,  -0.20,  -0.75,  99.90,  -0.62,   0.33,
10/16 21Z,  -0.20,   1.01,  99.90,   1.14,   0.33,
10/16 22Z,  -0.10,   2.96,  99.90,   3.19,   0.33,
10/16 23Z,   0.00,   4.59,  99.90,   4.92,   0.33,
10/17 00Z,   0.00,   5.47,  99.90,   5.79,   0.33,  (max)
10/17 01Z,   0.10,   5.30,  99.90,   5.73,   0.33,
10/17 02Z,   0.10,   4.04,  99.90,   4.47,   0.33,
10/17 03Z,   0.10,   1.93,  99.90,   2.36,   0.33,
10/17 04Z,   0.10,  -0.61,  99.90,  -0.18,   0.33,
10/17 05Z,   0.00,  -3.01,  99.90,  -2.68,   0.33,
10/17 06Z,   0.00,  -4.77,  99.90,  -4.44,   0.33,
10/17 07Z,   0.00,  -5.56,  99.90,  -5.23,   0.33,  (min)
10/17 08Z,   0.00,  -5.29,  99.90,  -4.97,   0.33,
10/17 09Z,   0.00,  -4.12,  99.90,  -3.79,   0.33,
10/17 10Z,   0.10,  -2.36,  99.90,  -1.93,   0.33,
10/17 11Z,   0.20,  -0.41,  99.90,   0.12,   0.33,
10/17 12Z,   0.30,   1.32,  99.90,   1.94,   0.33,
10/17 13Z,   0.40,   2.47,  99.90,   3.20,   0.33,
10/17 14Z,   0.40,   2.84,  99.90,   3.57,   0.33,  (max)
10/17 15Z,   0.40,   2.44,  99.90,   3.17,   0.33,
10/17 16Z,   0.40,   1.46,  99.90,   2.19,   0.33,
10/17 17Z,   0.30,   0.27,  99.90,   0.90,   0.33,
10/17 18Z,   0.20,  -0.72,  99.90,  -0.20,   0.33,
10/17 19Z,   0.10,  -1.18,  99.90,  -0.75,   0.33,  (min)
10/17 20Z,   0.10,  -0.95,  99.90,  -0.52,   0.33,
10/17 21Z,   0.10,  -0.06,  99.90,   0.37,   0.33,
10/17 22Z,   0.10,   1.27,  99.90,   1.70,   0.33,
10/17 23Z,   0.20,   2.69,  99.90,   3.22,   0.33,
10/18 00Z,   0.30,   3.84,  99.90,   4.47,   0.33,
10/18 01Z,   0.30,   4.40,  99.90,   5.02,   0.33,  (max)
10/18 02Z,   0.30,   4.14,  99.90,   4.77,   0.33,
10/18 03Z,   0.20,   3.06,  99.90,   3.59,   0.33,
10/18 04Z,   0.10,   1.34,  99.90,   1.77,   0.33,
10/18 05Z,   0.00,  -0.67,  99.90,  -0.34,   0.33,
10/18 06Z,  -0.10,  -2.56,  99.90,  -2.34,   0.33,
10/18 07Z,  -0.20,  -3.97,  99.90,  -3.84,   0.33,
10/18 08Z,  -0.20,  -4.65,  99.90,  -4.52,   0.33,  (min)
10/18 09Z,  -0.20,  -4.52,  99.90,  -4.39,   0.33,
10/18 10Z,  -0.10,  -3.67,  99.90,  -3.44,   0.33,
10/18 11Z,  -0.10,  -2.30,  99.90,  -2.07,   0.33,
10/18 12Z,   0.00,  -0.72,  99.90,  -0.39,   0.33,
10/18 13Z,  99.90,   0.77,  99.90,  99.90,   0.33,
10/18 14Z,  99.90,   1.87,  99.90,  99.90,   0.33,
10/18 15Z,  99.90,   2.38,  99.90,  99.90,   0.33,
10/18 16Z,  99.90,   2.27,  99.90,  99.90,   0.33,
10/18 17Z,  99.90,   1.65,  99.90,  99.90,   0.33,
10/18 18Z,  99.90,   0.77,  99.90,  99.90,   0.33,