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 : 07/14/2025 15:20:42 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/13 00Z,  -0.70,   4.20,   4.31,  99.90,   0.81,
07/13 01Z,  -0.70,   4.30,   4.28,  99.90,   0.68,  (max)
07/13 02Z,  -0.70,   3.23,   3.17,  99.90,   0.64,
07/13 03Z,  -0.70,   1.44,   1.38,  99.90,   0.64,
07/13 04Z,  -0.70,  -0.53,  -0.53,  99.90,   0.70,
07/13 05Z,  -0.80,  -2.13,  -2.15,  99.90,   0.78,
07/13 06Z,  -0.80,  -2.91,  -2.82,  99.90,   0.89,  (min)
07/13 07Z,  -0.80,  -2.60,  -2.38,  99.90,   1.02,
07/13 08Z,  -0.70,  -1.22,  -0.94,  99.90,   0.98,
07/13 09Z,  -0.70,   0.96,   1.07,  99.90,   0.81,
07/13 10Z,  -0.70,   3.48,   3.54,  99.90,   0.76,
07/13 11Z,  -0.70,   5.52,   5.44,  99.90,   0.62,
07/13 12Z,  -0.70,   6.28,   5.98,  99.90,   0.40,  (max)
07/13 13Z,  -0.70,   5.50,   5.33,  99.90,   0.53,
07/13 14Z,  -0.70,   3.45,   3.54,  99.90,   0.79,
07/13 15Z,  -0.70,   0.54,   0.55,  99.90,   0.71,
07/13 16Z,  -0.80,  -2.65,  -2.63,  99.90,   0.82,
07/13 17Z,  -0.80,  -5.52,  -5.38,  99.90,   0.94,
07/13 18Z,  -0.80,  -7.50,  -7.36,  99.90,   0.94,
07/13 19Z,  -0.80,  -8.13,  -7.94,  99.90,   0.99,  (min)
07/13 20Z,  -0.80,  -7.23,  -7.21,  99.90,   0.82,
07/13 21Z,  -0.80,  -5.00,  -5.20,  99.90,   0.60,
07/13 22Z,  -0.80,  -1.87,  -1.93,  99.90,   0.74,
07/13 23Z,  -0.80,   1.38,   1.36,  99.90,   0.78,
07/14 00Z,  -0.80,   3.75,   3.69,  99.90,   0.74,
07/14 01Z,  -0.80,   4.66,   4.50,  99.90,   0.64,  (max)
07/14 02Z,  -0.80,   4.18,   3.82,  99.90,   0.44,
07/14 03Z,  -0.80,   2.68,   2.46,  99.90,   0.58,
07/14 04Z,  -0.80,   0.65,   0.43,  99.90,   0.58,
07/14 05Z,  -0.90,  -1.35,  -1.69,  99.90,   0.56,
07/14 06Z,  -0.80,  -2.81,  -3.01,  99.90,   0.60,
07/14 07Z,  -0.80,  -3.30,  -3.46,  99.90,   0.64,  (min)
07/14 08Z,  -0.80,  -2.63,  -2.69,  99.90,   0.74,
07/14 09Z,  -0.80,  -0.94,  -1.08,  99.90,   0.66,
07/14 10Z,  -0.80,   1.41,   1.20,  99.90,   0.59,
07/14 11Z,  -0.80,   3.85,   3.51,  99.90,   0.46,
07/14 12Z,  -0.90,   5.54,   5.11,  99.90,   0.47,
07/14 13Z,  -0.90,   5.80,   5.30,  99.90,   0.40,  (max)
07/14 14Z,  -0.90,   4.57,   4.40,  99.90,   0.73,
07/14 15Z,  -0.90,   2.26,   2.21,  99.90,   0.85,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/14 16Z,  -1.00,  -0.67,  99.90,  -0.81,   0.85,
07/14 17Z,  -1.00,  -3.64,  99.90,  -3.79,   0.85,
07/14 18Z,  -1.00,  -6.09,  99.90,  -6.24,   0.85,
07/14 19Z,  -1.00,  -7.48,  99.90,  -7.63,   0.85,  (min)
07/14 20Z,  -1.00,  -7.43,  99.90,  -7.58,   0.85,
07/14 21Z,  -1.00,  -5.95,  99.90,  -6.10,   0.85,
07/14 22Z,  -1.00,  -3.36,  99.90,  -3.51,   0.85,
07/14 23Z,  -1.00,  -0.18,  99.90,  -0.33,   0.84,
07/15 00Z,  -1.00,   2.76,  99.90,   2.60,   0.84,
07/15 01Z,  -1.10,   4.55,  99.90,   4.29,   0.84,
07/15 02Z,  -1.10,   4.83,  99.90,   4.57,   0.84,  (max)
07/15 03Z,  -1.10,   3.85,  99.90,   3.59,   0.84,
07/15 04Z,  -1.20,   2.04,  99.90,   1.68,   0.84,
07/15 05Z,  -1.20,  -0.11,  99.90,  -0.47,   0.84,
07/15 06Z,  -1.20,  -2.07,  99.90,  -2.43,   0.84,
07/15 07Z,  -1.20,  -3.35,  99.90,  -3.71,   0.84,
07/15 08Z,  -1.20,  -3.55,  99.90,  -3.91,   0.84,  (min)
07/15 09Z,  -1.20,  -2.61,  99.90,  -2.97,   0.84,
07/15 10Z,  -1.20,  -0.77,  99.90,  -1.13,   0.84,
07/15 11Z,  -1.20,   1.56,  99.90,   1.19,   0.84,
07/15 12Z,  -1.20,   3.76,  99.90,   3.40,   0.84,
07/15 13Z,  -1.30,   5.05,  99.90,   4.58,   0.84,  (max)
07/15 14Z,  -1.30,   4.90,  99.90,   4.43,   0.84,
07/15 15Z,  -1.30,   3.44,  99.90,   2.97,   0.84,
07/15 16Z,  -1.40,   1.11,  99.90,   0.55,   0.84,
07/15 17Z,  -1.40,  -1.61,  99.90,  -2.17,   0.84,
07/15 18Z,  -1.40,  -4.18,  99.90,  -4.74,   0.84,
07/15 19Z,  -1.40,  -6.07,  99.90,  -6.63,   0.84,
07/15 20Z,  -1.40,  -6.81,  99.90,  -7.37,   0.84,  (min)
07/15 21Z,  -1.40,  -6.16,  99.90,  -6.73,   0.84,
07/15 22Z,  -1.40,  -4.29,  99.90,  -4.85,   0.84,
07/15 23Z,  -1.40,  -1.58,  99.90,  -2.14,   0.84,
07/16 00Z,  -1.40,   1.41,  99.90,   0.85,   0.84,
07/16 01Z,  -1.40,   3.86,  99.90,   3.30,   0.84,
07/16 02Z,  -1.50,   5.04,  99.90,   4.38,   0.84,  (max)
07/16 03Z,  -1.50,   4.80,  99.90,   4.13,   0.84,
07/16 04Z,  -1.60,   3.45,  99.90,   2.69,   0.84,
07/16 05Z,  -1.60,   1.44,  99.90,   0.68,   0.84,
07/16 06Z,  -1.60,  -0.75,  99.90,  -1.51,   0.84,
07/16 07Z,  -1.60,  -2.63,  99.90,  -3.39,   0.84,
07/16 08Z,  -1.60,  -3.72,  99.90,  -4.48,   0.84,  (min)
07/16 09Z,  -1.50,  -3.74,  99.90,  -4.41,   0.84,
07/16 10Z,  -1.50,  -2.70,  99.90,  -3.37,   0.84,
07/16 11Z,  -1.50,  -0.90,  99.90,  -1.56,   0.84,
07/16 12Z,  -1.40,   1.26,  99.90,   0.70,   0.84,
07/16 13Z,  -1.40,   3.19,  99.90,   2.62,   0.84,
07/16 14Z,  -1.40,   4.14,  99.90,   3.58,   0.84,  (max)
07/16 15Z,  -1.40,   3.79,  99.90,   3.23,   0.84,
07/16 16Z,  -1.30,   2.34,  99.90,   1.88,   0.84,
07/16 17Z,  -1.30,   0.23,  99.90,  -0.23,   0.84,
07/16 18Z,  -1.20,  -2.10,  99.90,  -2.46,   0.84,
07/16 19Z,  -1.20,  -4.16,  99.90,  -4.52,   0.84,
07/16 20Z,  -1.20,  -5.45,  99.90,  -5.81,   0.84,
07/16 21Z,  -1.10,  -5.62,  99.90,  -5.88,   0.84,  (min)
07/16 22Z,  -1.10,  -4.57,  99.90,  -4.83,   0.84,
07/16 23Z,  -1.10,  -2.54,  99.90,  -2.80,   0.84,
07/17 00Z,  -1.10,   0.06,  99.90,  -0.20,   0.84,
07/17 01Z,  -1.00,   2.69,  99.90,   2.53,   0.84,
07/17 02Z,  -1.00,   4.62,  99.90,   4.46,   0.84,
07/17 03Z,  -1.00,   5.29,  99.90,   5.12,   0.84,  (max)
07/17 04Z,  -1.00,   4.66,  99.90,   4.50,   0.84,
07/17 05Z,  -1.00,   3.09,  99.90,   2.93,   0.84,
07/17 06Z,  -1.00,   0.99,  99.90,   0.83,   0.84,
07/17 07Z,  -1.00,  -1.20,  99.90,  -1.36,   0.84,
07/17 08Z,  -1.00,  -3.00,  99.90,  -3.16,   0.84,
07/17 09Z,  -1.00,  -4.01,  99.90,  -4.17,   0.84,  (min)
07/17 10Z,  -0.90,  -4.00,  99.90,  -4.06,   0.84,
07/17 11Z,  -0.90,  -3.04,  99.90,  -3.10,   0.84,
07/17 12Z,  -0.90,  -1.40,  99.90,  -1.47,   0.84,
07/17 13Z,  -1.00,   0.54,  99.90,   0.37,   0.84,
07/17 14Z,  -1.00,   2.23,  99.90,   2.07,   0.84,
07/17 15Z,  -1.10,   3.04,  99.90,   2.78,   0.84,  (max)
07/17 16Z,  -1.10,   2.73,  99.90,   2.47,   0.84,
07/17 17Z,  -1.10,   1.52,  99.90,   1.26,   0.84,
07/17 18Z,  -1.10,  -0.21,  99.90,  -0.47,   0.84,
07/17 19Z,  -1.00,  -2.06,  99.90,  -2.22,   0.84,
07/17 20Z,  -1.00,  -3.59,  99.90,  -3.75,   0.84,
07/17 21Z,  -1.00,  -4.38,  99.90,  -4.55,   0.84,  (min)
07/17 22Z,  -0.90,  -4.18,  99.90,  -4.24,   0.84,
07/17 23Z,  -0.90,  -2.96,  99.90,  -3.02,   0.84,
07/18 00Z,  -0.90,  -1.00,  99.90,  -1.06,   0.84,
07/18 01Z,  -0.90,   1.33,  99.90,   1.26,   0.84,
07/18 02Z,  -1.00,   3.56,  99.90,   3.40,   0.84,
07/18 03Z,  -1.00,   5.06,  99.90,   4.90,   0.84,
07/18 04Z,  -1.00,   5.37,  99.90,   5.21,   0.84,  (max)
07/18 05Z,  -1.00,   4.53,  99.90,   4.37,   0.84,
07/18 06Z,  -1.00,   2.87,  99.90,   2.71,   0.84,
07/18 07Z,  99.90,   0.74,  99.90,  99.90,   0.84,
07/18 08Z,  99.90,  -1.43,  99.90,  99.90,   0.84,
07/18 09Z,  99.90,  -3.24,  99.90,  99.90,   0.84,
07/18 10Z,  99.90,  -4.31,  99.90,  99.90,   0.84,
07/18 11Z,  99.90,  -4.43,  99.90,  99.90,   0.84,
07/18 12Z,  99.90,  -3.67,  99.90,  99.90,   0.84,