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
#Atka, AK : 07/17/2026 04:22:45 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/15 12Z,  -0.40,  -0.51,  -0.70,  99.90,   0.21,
07/15 13Z,  -0.40,  -0.69,  -0.61,  99.90,   0.48,  (max)
07/15 14Z,  -0.30,  -1.09,  -0.78,  99.90,   0.61,
07/15 15Z,  -0.30,  -1.70,  -1.06,  99.90,   0.94,
07/15 16Z,  -0.30,  -2.52,  -1.71,  99.90,   1.11,
07/15 17Z,  -0.20,  -3.49,  -2.58,  99.90,   1.11,
07/15 18Z,  -0.20,  -4.45,  -3.52,  99.90,   1.13,
07/15 19Z,  -0.20,  -5.29,  -4.54,  99.90,   0.95,
07/15 20Z,  -0.20,  -5.89,  -5.46,  99.90,   0.63,
07/15 21Z,  -0.20,  -6.16,  -5.95,  99.90,   0.41,
07/15 22Z,  -0.20,  -6.09,  -6.20,  99.90,   0.09,  (min)
07/15 23Z,  -0.20,  -5.73,  -6.08,  99.90,  -0.15,
07/16 00Z,  -0.30,  -5.13,  -5.80,  99.90,  -0.37,
07/16 01Z,  -0.30,  -4.38,  -5.27,  99.90,  -0.59,
07/16 02Z,  -0.30,  -3.60,  -4.56,  99.90,  -0.66,
07/16 03Z,  -0.30,  -2.88,  -3.84,  99.90,  -0.66,
07/16 04Z,  -0.40,  -2.29,  -3.10,  99.90,  -0.41,
07/16 05Z,  -0.40,  -1.89,  -2.46,  99.90,  -0.17,
07/16 06Z,  -0.40,  -1.65,  -2.15,  99.90,  -0.10,
07/16 07Z,  -0.50,  -1.51,  -1.95,  99.90,   0.06,
07/16 08Z,  -0.50,  -1.44,  -1.88,  99.90,   0.06,
07/16 09Z,  -0.60,  -1.35,  -1.81,  99.90,   0.14,  (max)
07/16 10Z,  -0.60,  -1.24,  -1.82,  99.90,   0.02,  (min)
07/16 11Z,  -0.60,  -1.13,  -1.81,  99.90,  -0.08,
07/16 12Z,  -0.60,  -1.05,  -1.64,  99.90,   0.01,
07/16 13Z,  -0.60,  -1.03,  -1.54,  99.90,   0.09,
07/16 14Z,  -0.70,  -1.17,  -1.53,  99.90,   0.34,  (max)
07/16 15Z,  -0.70,  -1.49,  -1.71,  99.90,   0.48,
07/16 16Z,  -0.70,  -1.99,  -1.92,  99.90,   0.77,
07/16 17Z,  -0.70,  -2.68,  -2.49,  99.90,   0.89,
07/16 18Z,  -0.80,  -3.51,  -3.25,  99.90,   1.06,
07/16 19Z,  -0.80,  -4.33,  -4.08,  99.90,   1.05,
07/16 20Z,  -0.80,  -5.05,  -4.99,  99.90,   0.86,
07/16 21Z,  -0.80,  -5.55,  -5.69,  99.90,   0.66,
07/16 22Z,  -0.80,  -5.76,  -6.17,  99.90,   0.39,
07/16 23Z,  -0.80,  -5.65,  -6.41,  99.90,   0.04,  (min)
07/17 00Z,  -0.90,  -5.26,  -6.20,  99.90,  -0.04,
07/17 01Z,  -0.90,  -4.63,  -5.74,  99.90,  -0.21,
07/17 02Z,  -0.90,  -3.89,  -5.32,  99.90,  -0.53,
07/17 03Z,  -0.90,  -3.16,  -4.52,  99.90,  -0.46,
07/17 04Z,  -0.90,  -2.50,  -3.81,  99.90,  -0.41,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/17 05Z,  -0.90,  -2.00,  99.90,  -3.24,  -0.34,
07/17 06Z,  -0.90,  -1.72,  99.90,  -2.89,  -0.27,
07/17 07Z,  -0.90,  -1.62,  99.90,  -2.72,  -0.20,
07/17 08Z,  -0.90,  -1.63,  99.90,  -2.67,  -0.14,
07/17 09Z,  -0.80,  -1.71,  99.90,  -2.58,  -0.07,  (max)
07/17 10Z,  -0.80,  -1.79,  99.90,  -2.59,  -0.00,  (min)
07/17 11Z,  -0.80,  -1.81,  99.90,  -2.54,   0.07,
07/17 12Z,  -0.80,  -1.78,  99.90,  -2.44,   0.13,
07/17 13Z,  -0.70,  -1.71,  99.90,  -2.21,   0.20,
07/17 14Z,  -0.70,  -1.67,  99.90,  -2.10,   0.27,  (max)
07/17 15Z,  -0.70,  -1.74,  99.90,  -2.11,   0.34,
07/17 16Z,  -0.60,  -1.95,  99.90,  -2.14,   0.41,
07/17 17Z,  -0.50,  -2.29,  99.90,  -2.39,   0.41,
07/17 18Z,  -0.50,  -2.82,  99.90,  -2.92,   0.41,
07/17 19Z,  -0.40,  -3.47,  99.90,  -3.47,   0.41,
07/17 20Z,  -0.40,  -4.12,  99.90,  -4.12,   0.41,
07/17 21Z,  -0.40,  -4.70,  99.90,  -4.69,   0.41,
07/17 22Z,  -0.50,  -5.10,  99.90,  -5.20,   0.41,
07/17 23Z,  -0.50,  -5.23,  99.90,  -5.33,   0.41,  (min)
07/18 00Z,  -0.60,  -5.06,  99.90,  -5.26,   0.41,
07/18 01Z,  -0.60,  -4.63,  99.90,  -4.83,   0.41,
07/18 02Z,  -0.60,  -4.01,  99.90,  -4.21,   0.41,
07/18 03Z,  -0.70,  -3.32,  99.90,  -3.62,   0.41,
07/18 04Z,  -0.70,  -2.66,  99.90,  -2.96,   0.41,
07/18 05Z,  -0.70,  -2.10,  99.90,  -2.39,   0.41,
07/18 06Z,  -0.70,  -1.73,  99.90,  -2.03,   0.41,
07/18 07Z,  -0.70,  -1.61,  99.90,  -1.90,   0.41,  (max)
07/18 08Z,  -0.80,  -1.67,  99.90,  -2.07,   0.41,
07/18 09Z,  -0.80,  -1.87,  99.90,  -2.26,   0.41,
07/18 10Z,  -0.80,  -2.14,  99.90,  -2.53,   0.41,
07/18 11Z,  -0.80,  -2.37,  99.90,  -2.77,   0.41,
07/18 12Z,  -0.80,  -2.49,  99.90,  -2.89,   0.41,
07/18 13Z,  -0.80,  -2.51,  99.90,  -2.90,   0.41,  (min)
07/18 14Z,  -0.80,  -2.45,  99.90,  -2.84,   0.41,
07/18 15Z,  -0.80,  -2.37,  99.90,  -2.76,   0.41,
07/18 16Z,  -0.80,  -2.34,  99.90,  -2.73,   0.41,  (max)
07/18 17Z,  -0.80,  -2.39,  99.90,  -2.78,   0.41,
07/18 18Z,  -0.80,  -2.56,  99.90,  -2.96,   0.41,
07/18 19Z,  -0.80,  -2.90,  99.90,  -3.30,   0.41,
07/18 20Z,  -0.80,  -3.36,  99.90,  -3.75,   0.41,
07/18 21Z,  -0.80,  -3.84,  99.90,  -4.24,   0.41,
07/18 22Z,  -0.80,  -4.29,  99.90,  -4.68,   0.41,
07/18 23Z,  -0.80,  -4.58,  99.90,  -4.97,   0.41,
07/19 00Z,  -0.80,  -4.61,  99.90,  -5.00,   0.41,  (min)
07/19 01Z,  -0.80,  -4.38,  99.90,  -4.77,   0.41,
07/19 02Z,  -0.80,  -3.94,  99.90,  -4.33,   0.41,
07/19 03Z,  -0.80,  -3.35,  99.90,  -3.75,   0.41,
07/19 04Z,  -0.80,  -2.73,  99.90,  -3.13,   0.41,
07/19 05Z,  -0.80,  -2.17,  99.90,  -2.56,   0.41,
07/19 06Z,  -0.80,  -1.73,  99.90,  -2.13,   0.41,
07/19 07Z,  -0.70,  -1.53,  99.90,  -1.83,   0.41,  (max)
07/19 08Z,  -0.70,  -1.58,  99.90,  -1.88,   0.41,
07/19 09Z,  -0.70,  -1.84,  99.90,  -2.13,   0.41,
07/19 10Z,  -0.80,  -2.23,  99.90,  -2.63,   0.41,
07/19 11Z,  -0.70,  -2.68,  99.90,  -2.97,   0.41,
07/19 12Z,  -0.80,  -3.02,  99.90,  -3.42,   0.41,
07/19 13Z,  -0.70,  -3.21,  99.90,  -3.50,   0.41,
07/19 14Z,  -0.70,  -3.25,  99.90,  -3.55,   0.41,  (min)
07/19 15Z,  -0.70,  -3.17,  99.90,  -3.47,   0.41,
07/19 16Z,  -0.70,  -3.02,  99.90,  -3.32,   0.41,
07/19 17Z,  -0.60,  -2.87,  99.90,  -3.06,   0.41,
07/19 18Z,  -0.70,  -2.75,  99.90,  -3.05,   0.41,
07/19 19Z,  -0.60,  -2.75,  99.90,  -2.94,   0.41,  (max)
07/19 20Z,  -0.60,  -2.90,  99.90,  -3.10,   0.41,
07/19 21Z,  -0.60,  -3.18,  99.90,  -3.37,   0.41,
07/19 22Z,  -0.60,  -3.51,  99.90,  -3.71,   0.41,
07/19 23Z,  -0.60,  -3.83,  99.90,  -4.02,   0.41,
07/20 00Z,  -0.50,  -4.00,  99.90,  -4.09,   0.41,  (min)
07/20 01Z,  -0.50,  -3.93,  99.90,  -4.03,   0.41,
07/20 02Z,  -0.50,  -3.67,  99.90,  -3.76,   0.41,
07/20 03Z,  -0.50,  -3.24,  99.90,  -3.34,   0.41,
07/20 04Z,  -0.40,  -2.71,  99.90,  -2.71,   0.41,
07/20 05Z,  -0.40,  -2.19,  99.90,  -2.18,   0.41,
07/20 06Z,  -0.40,  -1.75,  99.90,  -1.74,   0.41,
07/20 07Z,  -0.40,  -1.47,  99.90,  -1.46,   0.41,
07/20 08Z,  -0.30,  -1.44,  99.90,  -1.34,   0.41,  (max)
07/20 09Z,  -0.30,  -1.69,  99.90,  -1.58,   0.41,
07/20 10Z,  -0.30,  -2.14,  99.90,  -2.03,   0.41,
07/20 11Z,  -0.30,  -2.71,  99.90,  -2.60,   0.41,
07/20 12Z,  -0.30,  -3.27,  99.90,  -3.16,   0.41,
07/20 13Z,  -0.30,  -3.67,  99.90,  -3.57,   0.41,
07/20 14Z,  -0.20,  -3.90,  99.90,  -3.69,   0.41,
07/20 15Z,  -0.20,  -3.94,  99.90,  -3.73,   0.41,  (min)
07/20 16Z,  -0.20,  -3.81,  99.90,  -3.60,   0.41,
07/20 17Z,  -0.20,  -3.56,  99.90,  -3.35,   0.41,
07/20 18Z,  -0.20,  -3.27,  99.90,  -3.07,   0.41,
07/20 19Z,  99.90,  -3.00,  99.90,  99.90,   0.41,
07/20 20Z,  99.90,  -2.83,  99.90,  99.90,   0.41,
07/20 21Z,  99.90,  -2.83,  99.90,  99.90,   0.41,
07/20 22Z,  99.90,  -2.96,  99.90,  99.90,   0.41,
07/20 23Z,  99.90,  -3.16,  99.90,  99.90,   0.41,
07/21 00Z,  99.90,  -3.34,  99.90,  99.90,   0.41,