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 : 08/12/2026 02:21:14 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/10 06Z,  -0.50,   7.18,   6.98,  99.90,   0.30,
08/10 07Z,  -0.50,   7.56,   7.47,  99.90,   0.41,  (max)
08/10 08Z,  -0.50,   6.37,   6.23,  99.90,   0.36,
08/10 09Z,  -0.50,   3.68,   3.46,  99.90,   0.28,
08/10 10Z,  -0.50,  -0.05,  -0.37,  99.90,   0.18,
08/10 11Z,  -0.50,  -4.04,  -4.47,  99.90,   0.07,
08/10 12Z,  -0.50,  -7.40,  -7.84,  99.90,   0.06,
08/10 13Z,  -0.50,  -9.37,  -9.68,  99.90,   0.19,
08/10 14Z,  -0.50,  -9.53,  -9.72,  99.90,   0.31,  (min)
08/10 15Z,  -0.50,  -7.93,  -8.08,  99.90,   0.35,
08/10 16Z,  -0.50,  -5.01,  -5.17,  99.90,   0.34,
08/10 17Z,  -0.50,  -1.49,  -1.70,  99.90,   0.29,
08/10 18Z,  -0.50,   1.81,   1.50,  99.90,   0.19,
08/10 19Z,  -0.50,   4.18,   3.78,  99.90,   0.10,
08/10 20Z,  -0.50,   5.12,   4.70,  99.90,   0.08,  (max)
08/10 21Z,  -0.50,   4.49,   4.14,  99.90,   0.15,
08/10 22Z,  -0.50,   2.54,   2.33,  99.90,   0.29,
08/10 23Z,  -0.50,  -0.11,  -0.21,  99.90,   0.40,
08/11 00Z,  -0.40,  -2.63,  -2.68,  99.90,   0.35,
08/11 01Z,  -0.40,  -4.22,  -4.33,  99.90,   0.29,
08/11 02Z,  -0.40,  -4.36,  -4.54,  99.90,   0.22,  (min)
08/11 03Z,  -0.40,  -2.95,  -3.22,  99.90,   0.13,
08/11 04Z,  -0.40,  -0.30,  -0.64,  99.90,   0.06,
08/11 05Z,  -0.50,   2.94,   2.61,  99.90,   0.17,
08/11 06Z,  -0.50,   5.99,   5.74,  99.90,   0.25,
08/11 07Z,  -0.50,   8.06,   7.93,  99.90,   0.37,
08/11 08Z,  -0.50,   8.55,   8.49,  99.90,   0.44,  (max)
08/11 09Z,  -0.50,   7.15,   7.00,  99.90,   0.35,
08/11 10Z,  -0.50,   3.98,   3.73,  99.90,   0.25,
08/11 11Z,  -0.50,  -0.36,  -0.76,  99.90,   0.10,
08/11 12Z,  -0.50,  -4.92,  -5.36,  99.90,   0.06,
08/11 13Z,  -0.50,  -8.63,  -8.98,  99.90,   0.15,
08/11 14Z,  -0.50, -10.61, -10.89,  99.90,   0.22,  (min)
08/11 15Z,  -0.50, -10.45, -10.60,  99.90,   0.35,
08/11 16Z,  -0.50,  -8.26,  -8.42,  99.90,   0.34,
08/11 17Z,  -0.50,  -4.66,  -4.88,  99.90,   0.28,
08/11 18Z,  -0.50,  -0.53,  -0.89,  99.90,   0.14,
08/11 19Z,  -0.50,   3.18,   2.66,  99.90,  -0.02,
08/11 20Z,  -0.50,   5.65,   5.14,  99.90,  -0.01,
08/11 21Z,  -0.50,   6.36,   5.99,  99.90,   0.13,  (max)
08/11 22Z,  -0.50,   5.19,   4.99,  99.90,   0.30,
08/11 23Z,  -0.50,   2.53,   2.48,  99.90,   0.45,
08/12 00Z,  -0.40,  -0.83,  -0.83,  99.90,   0.40,
08/12 01Z,  -0.40,  -3.87,  -3.96,  99.90,   0.31,
08/12 02Z,  -0.40,  -5.66,  -5.90,  99.90,   0.16,  (min)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/12 03Z,  -0.40,  -5.64,  99.90,  -5.88,   0.16,
08/12 04Z,  -0.40,  -3.79,  99.90,  -4.03,   0.17,
08/12 05Z,  -0.50,  -0.56,  99.90,  -0.90,   0.17,
08/12 06Z,  -0.50,   3.24,  99.90,   2.91,   0.17,
08/12 07Z,  -0.60,   6.69,  99.90,   6.26,   0.17,
08/12 08Z,  -0.60,   8.91,  99.90,   8.48,   0.17,
08/12 09Z,  -0.60,   9.23,  99.90,   8.81,   0.17,  (max)
08/12 10Z,  -0.60,   7.40,  99.90,   6.97,   0.17,
08/12 11Z,  -0.60,   3.64,  99.90,   3.22,   0.18,
08/12 12Z,  -0.60,  -1.27,  99.90,  -1.69,   0.18,
08/12 13Z,  -0.60,  -6.17,  99.90,  -6.59,   0.18,
08/12 14Z,  -0.60,  -9.87,  99.90, -10.29,   0.18,
08/12 15Z,  -0.60, -11.48,  99.90, -11.90,   0.18,  (min)
08/12 16Z,  -0.60, -10.68,  99.90, -11.10,   0.18,
08/12 17Z,  -0.60,  -7.76,  99.90,  -8.18,   0.18,
08/12 18Z,  -0.70,  -3.52,  99.90,  -4.04,   0.18,
08/12 19Z,  -0.70,   1.03,  99.90,   0.51,   0.18,
08/12 20Z,  -0.70,   4.84,  99.90,   4.32,   0.18,
08/12 21Z,  -0.70,   7.07,  99.90,   6.55,   0.18,
08/12 22Z,  -0.70,   7.22,  99.90,   6.70,   0.18,  (max)
08/12 23Z,  -0.70,   5.29,  99.90,   4.77,   0.18,
08/13 00Z,  -0.70,   1.86,  99.90,   1.34,   0.18,
08/13 01Z,  -0.60,  -2.09,  99.90,  -2.51,   0.18,
08/13 02Z,  -0.60,  -5.37,  99.90,  -5.79,   0.18,
08/13 03Z,  -0.60,  -7.03,  99.90,  -7.45,   0.18,  (min)
08/13 04Z,  -0.60,  -6.59,  99.90,  -7.01,   0.18,
08/13 05Z,  -0.60,  -4.17,  99.90,  -4.59,   0.18,
08/13 06Z,  -0.70,  -0.40,  99.90,  -0.92,   0.18,
08/13 07Z,  -0.70,   3.79,  99.90,   3.27,   0.18,
08/13 08Z,  -0.70,   7.37,  99.90,   6.85,   0.18,
08/13 09Z,  -0.70,   9.43,  99.90,   8.91,   0.18,  (max)
08/13 10Z,  -0.70,   9.34,  99.90,   8.82,   0.18,
08/13 11Z,  -0.70,   6.93,  99.90,   6.41,   0.18,
08/13 12Z,  -0.60,   2.62,  99.90,   2.20,   0.18,
08/13 13Z,  -0.60,  -2.61,  99.90,  -3.03,   0.18,
08/13 14Z,  -0.70,  -7.48,  99.90,  -8.00,   0.18,
08/13 15Z,  -0.70, -10.75,  99.90, -11.27,   0.18,
08/13 16Z,  -0.70, -11.65,  99.90, -12.17,   0.18,  (min)
08/13 17Z,  -0.70, -10.03,  99.90, -10.55,   0.18,
08/13 18Z,  -0.70,  -6.42,  99.90,  -6.93,   0.18,
08/13 19Z,  -0.70,  -1.72,  99.90,  -2.24,   0.18,
08/13 20Z,  -0.70,   2.92,  99.90,   2.41,   0.18,
08/13 21Z,  -0.70,   6.47,  99.90,   5.95,   0.18,
08/13 22Z,  -0.60,   8.11,  99.90,   7.69,   0.18,  (max)
08/13 23Z,  -0.50,   7.45,  99.90,   7.13,   0.18,
08/14 00Z,  -0.40,   4.71,  99.90,   4.49,   0.18,
08/14 01Z,  -0.30,   0.63,  99.90,   0.51,   0.18,
08/14 02Z,  -0.30,  -3.60,  99.90,  -3.72,   0.18,
08/14 03Z,  -0.30,  -6.78,  99.90,  -6.90,   0.18,
08/14 04Z,  -0.30,  -8.01,  99.90,  -8.13,   0.18,  (min)
08/14 05Z,  -0.40,  -6.99,  99.90,  -7.21,   0.18,
08/14 06Z,  -0.40,  -4.02,  99.90,  -4.24,   0.18,
08/14 07Z,  -0.50,   0.12,  99.90,  -0.20,   0.18,
08/14 08Z,  -0.50,   4.41,  99.90,   4.09,   0.18,
08/14 09Z,  -0.40,   7.80,  99.90,   7.58,   0.18,
08/14 10Z,  -0.40,   9.41,  99.90,   9.19,   0.18,  (max)
08/14 11Z,  -0.30,   8.73,  99.90,   8.61,   0.18,
08/14 12Z,  -0.20,   5.75,  99.90,   5.73,   0.18,
08/14 13Z,  -0.20,   1.10,  99.90,   1.08,   0.18,
08/14 14Z,  -0.20,  -4.09,  99.90,  -4.11,   0.18,
08/14 15Z,  -0.20,  -8.48,  99.90,  -8.50,   0.18,
08/14 16Z,  -0.20, -10.96,  99.90, -10.98,   0.18,  (min)
08/14 17Z,  -0.20, -10.94,  99.90, -10.95,   0.18,
08/14 18Z,  -0.30,  -8.52,  99.90,  -8.64,   0.18,
08/14 19Z,  -0.30,  -4.39,  99.90,  -4.51,   0.18,
08/14 20Z,  -0.30,   0.43,  99.90,   0.31,   0.18,
08/14 21Z,  -0.30,   4.80,  99.90,   4.68,   0.18,
08/14 22Z,  -0.20,   7.72,  99.90,   7.70,   0.18,
08/14 23Z,  -0.20,   8.50,  99.90,   8.48,   0.18,  (max)
08/15 00Z,  -0.10,   6.97,  99.90,   7.05,   0.18,
08/15 01Z,   0.00,   3.52,  99.90,   3.70,   0.18,
08/15 02Z,   0.00,  -0.90,  99.90,  -0.72,   0.18,
08/15 03Z,   0.00,  -5.05,  99.90,  -4.87,   0.18,
08/15 04Z,   0.00,  -7.78,  99.90,  -7.60,   0.18,
08/15 05Z,   0.00,  -8.39,  99.90,  -8.21,   0.18,  (min)
08/15 06Z,  -0.10,  -6.78,  99.90,  -6.70,   0.18,
08/15 07Z,  -0.10,  -3.43,  99.90,  -3.35,   0.18,
08/15 08Z,  -0.20,   0.79,  99.90,   0.78,   0.18,
08/15 09Z,  -0.20,   4.86,  99.90,   4.84,   0.18,
08/15 10Z,  -0.20,   7.76,  99.90,   7.74,   0.18,
08/15 11Z,  -0.20,   8.74,  99.90,   8.72,   0.18,  (max)
08/15 12Z,  -0.10,   7.44,  99.90,   7.52,   0.18,
08/15 13Z,  -0.10,   4.06,  99.90,   4.14,   0.18,
08/15 14Z,   0.00,  -0.58,  99.90,  -0.40,   0.18,
08/15 15Z,   0.00,  -5.30,  99.90,  -5.12,   0.18,
08/15 16Z,  -0.10,  -8.85,  99.90,  -8.77,   0.18,
08/15 17Z,  -0.10, -10.31,  99.90, -10.23,   0.18,  (min)
08/15 18Z,  -0.20,  -9.36,  99.90,  -9.38,   0.18,