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
#Alitak, AK : 05/15/2025 11:20:11 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/13 12Z,  -0.50,   5.15,   4.69,  99.90,   0.04,  (max)
05/13 13Z,  -0.50,   2.94,   2.60,  99.90,   0.16,
05/13 14Z,  -0.60,   0.02,  -0.33,  99.90,   0.25,
05/13 15Z,  -0.60,  -2.99,  -3.26,  99.90,   0.33,
05/13 16Z,  -0.60,  -5.46,  -5.73,  99.90,   0.33,
05/13 17Z,  -0.60,  -6.91,  -7.25,  99.90,   0.26,
05/13 18Z,  -0.60,  -7.08,  -7.30,  99.90,   0.38,  (min)
05/13 19Z,  -0.70,  -5.96,  -6.31,  99.90,   0.35,
05/13 20Z,  -0.70,  -3.72,  -4.11,  99.90,   0.31,
05/13 21Z,  -0.60,  -0.78,  -1.14,  99.90,   0.24,
05/13 22Z,  -0.60,   1.99,   1.70,  99.90,   0.31,
05/13 23Z,  -0.60,   3.76,   3.35,  99.90,   0.19,
05/14 00Z,  -0.70,   4.23,   3.76,  99.90,   0.23,  (max)
05/14 01Z,  -0.70,   3.51,   2.92,  99.90,   0.11,
05/14 02Z,  -0.70,   1.98,   1.51,  99.90,   0.23,
05/14 03Z,  -0.70,   0.18,  -0.30,  99.90,   0.22,
05/14 04Z,  -0.70,  -1.33,  -1.79,  99.90,   0.24,
05/14 05Z,  -0.70,  -2.10,  -2.41,  99.90,   0.39,  (min)
05/14 06Z,  -0.80,  -1.92,  -2.14,  99.90,   0.58,
05/14 07Z,  -0.80,  -0.83,  -1.08,  99.90,   0.55,
05/14 08Z,  -0.80,   0.99,   0.88,  99.90,   0.69,
05/14 09Z,  -0.90,   3.21,   3.08,  99.90,   0.77,
05/14 10Z,  -0.90,   5.20,   5.13,  99.90,   0.83,
05/14 11Z,  -1.00,   6.18,   6.03,  99.90,   0.85,  (max)
05/14 12Z,  -1.10,   5.77,   5.61,  99.90,   0.94,
05/14 13Z,  -1.20,   4.10,   4.04,  99.90,   1.14,
05/14 14Z,  -1.40,   1.54,   1.63,  99.90,   1.49,
05/14 15Z,  -1.50,  -1.42,  -1.29,  99.90,   1.63,
05/14 16Z,  -1.60,  -4.18,  -3.94,  99.90,   1.84,
05/14 17Z,  -1.60,  -6.21,  -5.86,  99.90,   1.95,
05/14 18Z,  -1.30,  -7.11,  -6.73,  99.90,   1.68,  (min)
05/14 19Z,  -1.30,  -6.71,  -6.52,  99.90,   1.49,
05/14 20Z,  -1.30,  -5.11,  -5.07,  99.90,   1.34,
05/14 21Z,  -1.20,  -2.58,  -2.49,  99.90,   1.29,
05/14 22Z,  -1.10,   0.32,   0.56,  99.90,   1.34,
05/14 23Z,  -1.00,   2.70,   3.02,  99.90,   1.32,
05/15 00Z,  -0.80,   3.90,   4.40,  99.90,   1.30,  (max)
05/15 01Z,  -0.70,   3.83,   4.24,  99.90,   1.11,
05/15 02Z,  -0.70,   2.78,   3.12,  99.90,   1.04,
05/15 03Z,  -0.70,   1.20,   1.59,  99.90,   1.09,
05/15 04Z,  -0.70,  -0.39,  -0.05,  99.90,   1.04,
05/15 05Z,  -0.70,  -1.51,  -1.23,  99.90,   0.98,
05/15 06Z,  -0.70,  -1.84,  -1.36,  99.90,   1.18,  (min)
05/15 07Z,  -0.60,  -1.23,  -0.75,  99.90,   1.08,
05/15 08Z,  -0.60,   0.19,   0.63,  99.90,   1.04,
05/15 09Z,  -0.50,   2.11,   2.56,  99.90,   0.95,
05/15 10Z,  -0.60,   4.15,   4.56,  99.90,   1.01,
05/15 11Z,  -0.60,   5.65,   5.90,  99.90,   0.85,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/15 12Z,  -0.60,   5.94,  99.90,   6.16,   0.82,  (max)
05/15 13Z,  -0.60,   4.90,  99.90,   5.09,   0.78,
05/15 14Z,  -0.60,   2.83,  99.90,   2.98,   0.75,
05/15 15Z,  -0.50,   0.15,  99.90,   0.37,   0.71,
05/15 16Z,  -0.50,  -2.62,  99.90,  -2.44,   0.68,
05/15 17Z,  -0.50,  -5.01,  99.90,  -4.86,   0.64,
05/15 18Z,  -0.50,  -6.54,  99.90,  -6.43,   0.61,
05/15 19Z,  -0.50,  -6.91,  99.90,  -6.83,   0.57,  (min)
05/15 20Z,  -0.40,  -6.03,  99.90,  -5.89,   0.54,
05/15 21Z,  -0.40,  -4.11,  99.90,  -4.01,   0.50,
05/15 22Z,  -0.40,  -1.53,  99.90,  -1.46,   0.47,
05/15 23Z,  -0.40,   1.11,  99.90,   1.14,   0.44,
05/16 00Z,  -0.40,   2.98,  99.90,   3.01,   0.44,
05/16 01Z,  -0.40,   3.62,  99.90,   3.66,   0.44,  (max)
05/16 02Z,  -0.40,   3.16,  99.90,   3.19,   0.44,
05/16 03Z,  -0.40,   1.98,  99.90,   2.01,   0.44,
05/16 04Z,  -0.40,   0.53,  99.90,   0.56,   0.44,
05/16 05Z,  -0.40,  -0.76,  99.90,  -0.72,   0.44,
05/16 06Z,  -0.40,  -1.49,  99.90,  -1.46,   0.44,  (min)
05/16 07Z,  -0.40,  -1.40,  99.90,  -1.37,   0.44,
05/16 08Z,  -0.30,  -0.45,  99.90,  -0.32,   0.44,
05/16 09Z,  -0.30,   1.12,  99.90,   1.25,   0.44,
05/16 10Z,  -0.30,   2.97,  99.90,   3.10,   0.44,
05/16 11Z,  -0.30,   4.67,  99.90,   4.81,   0.44,
05/16 12Z,  -0.30,   5.61,  99.90,   5.74,   0.44,  (max)
05/16 13Z,  -0.40,   5.29,  99.90,   5.33,   0.44,
05/16 14Z,  -0.40,   3.81,  99.90,   3.84,   0.44,
05/16 15Z,  -0.40,   1.57,  99.90,   1.60,   0.44,
05/16 16Z,  -0.50,  -1.00,  99.90,  -1.07,   0.44,
05/16 17Z,  -0.50,  -3.48,  99.90,  -3.54,   0.44,
05/16 18Z,  -0.50,  -5.44,  99.90,  -5.51,   0.44,
05/16 19Z,  -0.40,  -6.50,  99.90,  -6.47,   0.44,  (min)
05/16 20Z,  -0.40,  -6.41,  99.90,  -6.38,   0.44,
05/16 21Z,  -0.40,  -5.21,  99.90,  -5.17,   0.44,
05/16 22Z,  -0.40,  -3.19,  99.90,  -3.15,   0.44,
05/16 23Z,  -0.40,  -0.73,  99.90,  -0.70,   0.44,
05/17 00Z,  -0.40,   1.52,  99.90,   1.56,   0.44,
05/17 01Z,  -0.40,   2.89,  99.90,   2.92,   0.44,
05/17 02Z,  -0.40,   3.10,  99.90,   3.14,   0.44,  (max)
05/17 03Z,  -0.50,   2.44,  99.90,   2.38,   0.44,
05/17 04Z,  -0.50,   1.31,  99.90,   1.24,   0.44,
05/17 05Z,  -0.50,   0.07,  99.90,   0.00,   0.44,
05/17 06Z,  -0.50,  -0.90,  99.90,  -0.97,   0.44,
05/17 07Z,  -0.50,  -1.29,  99.90,  -1.36,   0.44,  (min)
05/17 08Z,  -0.40,  -0.90,  99.90,  -0.86,   0.44,
05/17 09Z,  -0.40,   0.23,  99.90,   0.26,   0.44,
05/17 10Z,  -0.40,   1.78,  99.90,   1.81,   0.44,
05/17 11Z,  -0.50,   3.41,  99.90,   3.34,   0.44,
05/17 12Z,  -0.50,   4.71,  99.90,   4.65,   0.44,
05/17 13Z,  -0.50,   5.15,  99.90,   5.08,   0.44,  (max)
05/17 14Z,  -0.60,   4.41,  99.90,   4.24,   0.44,
05/17 15Z,  -0.60,   2.73,  99.90,   2.56,   0.44,
05/17 16Z,  -0.60,   0.54,  99.90,   0.37,   0.44,
05/17 17Z,  -0.60,  -1.81,  99.90,  -1.97,   0.44,
05/17 18Z,  -0.60,  -3.95,  99.90,  -4.12,   0.44,
05/17 19Z,  -0.60,  -5.53,  99.90,  -5.69,   0.44,
05/17 20Z,  -0.60,  -6.20,  99.90,  -6.36,   0.44,  (min)
05/17 21Z,  -0.60,  -5.79,  99.90,  -5.96,   0.44,
05/17 22Z,  -0.60,  -4.45,  99.90,  -4.62,   0.44,
05/17 23Z,  -0.60,  -2.48,  99.90,  -2.64,   0.44,
05/18 00Z,  -0.60,  -0.25,  99.90,  -0.41,   0.44,
05/18 01Z,  -0.60,   1.64,  99.90,   1.48,   0.44,
05/18 02Z,  -0.70,   2.62,  99.90,   2.36,   0.44,  (max)
05/18 03Z,  -0.70,   2.61,  99.90,   2.34,   0.44,
05/18 04Z,  -0.70,   1.93,  99.90,   1.66,   0.44,
05/18 05Z,  -0.70,   0.92,  99.90,   0.65,   0.44,
05/18 06Z,  -0.70,  -0.12,  99.90,  -0.38,   0.44,
05/18 07Z,  -0.70,  -0.86,  99.90,  -1.13,   0.44,
05/18 08Z,  -0.70,  -1.03,  99.90,  -1.30,   0.44,  (min)
05/18 09Z,  -0.60,  -0.51,  99.90,  -0.67,   0.44,
05/18 10Z,  -0.60,   0.60,  99.90,   0.44,   0.44,
05/18 11Z,  -0.70,   1.99,  99.90,   1.73,   0.44,
05/18 12Z,  -0.70,   3.36,  99.90,   3.09,   0.44,
05/18 13Z,  -0.70,   4.32,  99.90,   4.06,   0.44,
05/18 14Z,  -0.70,   4.43,  99.90,   4.16,   0.44,  (max)
05/18 15Z,  -0.70,   3.52,  99.90,   3.25,   0.44,
05/18 16Z,  -0.70,   1.87,  99.90,   1.61,   0.44,
05/18 17Z,  -0.70,  -0.14,  99.90,  -0.41,   0.44,
05/18 18Z,  -0.70,  -2.23,  99.90,  -2.49,   0.44,
05/18 19Z,  -0.70,  -4.08,  99.90,  -4.34,   0.44,
05/18 20Z,  -0.70,  -5.35,  99.90,  -5.62,   0.44,
05/18 21Z,  -0.70,  -5.76,  99.90,  -6.03,   0.44,  (min)
05/18 22Z,  -0.70,  -5.21,  99.90,  -5.48,   0.44,
05/18 23Z,  -0.60,  -3.86,  99.90,  -4.03,   0.44,
05/19 00Z,  -0.60,  -2.00,  99.90,  -2.16,   0.44,