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 : 07/15/2026 22:21:09 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/14 06Z,  -0.60,  -0.87,  -0.43,  99.90,   1.04,
07/14 07Z,  -0.60,   1.56,   2.11,  99.90,   1.15,
07/14 08Z,  -0.60,   4.41,   4.79,  99.90,   0.98,
07/14 09Z,  -0.60,   6.69,   6.92,  99.90,   0.83,
07/14 10Z,  -0.60,   7.63,   7.72,  99.90,   0.69,  (max)
07/14 11Z,  -0.50,   6.95,   7.21,  99.90,   0.76,
07/14 12Z,  -0.50,   4.74,   5.19,  99.90,   0.95,
07/14 13Z,  -0.40,   1.40,   1.81,  99.90,   0.81,
07/14 14Z,  -0.40,  -2.42,  -1.83,  99.90,   0.99,
07/14 15Z,  -0.40,  -5.97,  -5.53,  99.90,   0.84,
07/14 16Z,  -0.40,  -8.57,  -8.13,  99.90,   0.84,
07/14 17Z,  -0.40,  -9.71,  -9.06,  99.90,   1.05,  (min)
07/14 18Z,  -0.30,  -9.18,  -8.67,  99.90,   0.81,
07/14 19Z,  -0.30,  -6.95,  -6.70,  99.90,   0.55,
07/14 20Z,  -0.30,  -3.43,  -3.16,  99.90,   0.57,
07/14 21Z,  -0.30,   0.35,   0.65,  99.90,   0.60,
07/14 22Z,  -0.30,   3.29,   3.65,  99.90,   0.66,
07/14 23Z,  -0.30,   4.75,   5.01,  99.90,   0.56,  (max)
07/15 00Z,  -0.20,   4.65,   4.84,  99.90,   0.39,
07/15 01Z,  -0.20,   3.23,   3.48,  99.90,   0.45,
07/15 02Z,  -0.30,   1.06,   1.42,  99.90,   0.66,
07/15 03Z,  -0.30,  -1.17,  -0.79,  99.90,   0.68,
07/15 04Z,  -0.40,  -2.85,  -2.67,  99.90,   0.58,
07/15 05Z,  -0.40,  -3.52,  -3.29,  99.90,   0.63,  (min)
07/15 06Z,  -0.40,  -2.99,  -2.63,  99.90,   0.76,
07/15 07Z,  -0.40,  -1.21,  -0.75,  99.90,   0.86,
07/15 08Z,  -0.40,   1.60,   1.87,  99.90,   0.67,
07/15 09Z,  -0.40,   4.71,   4.81,  99.90,   0.50,
07/15 10Z,  -0.50,   7.02,   7.13,  99.90,   0.61,
07/15 11Z,  -0.50,   7.78,   7.69,  99.90,   0.41,  (max)
07/15 12Z,  -0.50,   6.81,   6.87,  99.90,   0.56,
07/15 13Z,  -0.50,   4.29,   4.59,  99.90,   0.80,
07/15 14Z,  -0.60,   0.70,   0.86,  99.90,   0.76,
07/15 15Z,  -0.60,  -3.23,  -3.07,  99.90,   0.76,
07/15 16Z,  -0.60,  -6.72,  -6.60,  99.90,   0.72,
07/15 17Z,  -0.60,  -9.09,  -9.10,  99.90,   0.59,
07/15 18Z,  -0.70,  -9.88,  -9.68,  99.90,   0.90,  (min)
07/15 19Z,  -0.70,  -8.87,  -9.03,  99.90,   0.54,
07/15 20Z,  -0.70,  -6.13,  -6.59,  99.90,   0.24,
07/15 21Z,  -0.70,  -2.26,  -2.60,  99.90,   0.36,
07/15 22Z,  -0.70,   1.58,   1.50,  99.90,   0.62,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/15 23Z,  -0.70,   4.27,  99.90,   4.19,   0.62,
07/16 00Z,  -0.70,   5.33,  99.90,   5.25,   0.62,  (max)
07/16 01Z,  -0.70,   4.76,  99.90,   4.67,   0.61,
07/16 02Z,  -0.70,   2.92,  99.90,   2.83,   0.61,
07/16 03Z,  -0.70,   0.45,  99.90,   0.36,   0.61,
07/16 04Z,  -0.70,  -1.93,  99.90,  -2.03,   0.61,
07/16 05Z,  -0.70,  -3.63,  99.90,  -3.73,   0.60,
07/16 06Z,  -0.70,  -4.18,  99.90,  -4.28,   0.60,  (min)
07/16 07Z,  -0.60,  -3.41,  99.90,  -3.41,   0.60,
07/16 08Z,  -0.60,  -1.31,  99.90,  -1.32,   0.59,
07/16 09Z,  -0.60,   1.76,  99.90,   1.75,   0.59,
07/16 10Z,  -0.60,   4.91,  99.90,   4.90,   0.59,
07/16 11Z,  -0.60,   7.02,  99.90,   7.01,   0.59,
07/16 12Z,  -0.60,   7.46,  99.90,   7.45,   0.59,  (max)
07/16 13Z,  -0.60,   6.17,  99.90,   6.16,   0.59,
07/16 14Z,  -0.70,   3.41,  99.90,   3.30,   0.59,
07/16 15Z,  -0.70,  -0.24,  99.90,  -0.35,   0.59,
07/16 16Z,  -0.70,  -4.03,  99.90,  -4.14,   0.59,
07/16 17Z,  -0.60,  -7.22,  99.90,  -7.23,   0.59,
07/16 18Z,  -0.60,  -9.16,  99.90,  -9.17,   0.59,
07/16 19Z,  -0.60,  -9.42,  99.90,  -9.43,   0.59,  (min)
07/16 20Z,  -0.60,  -7.87,  99.90,  -7.88,   0.59,
07/16 21Z,  -0.60,  -4.73,  99.90,  -4.74,   0.59,
07/16 22Z,  -0.60,  -0.75,  99.90,  -0.76,   0.59,
07/16 23Z,  -0.60,   2.83,  99.90,   2.82,   0.59,
07/17 00Z,  -0.50,   5.05,  99.90,   5.14,   0.59,
07/17 01Z,  -0.50,   5.57,  99.90,   5.66,   0.59,  (max)
07/17 02Z,  -0.50,   4.52,  99.90,   4.61,   0.59,
07/17 03Z,  -0.60,   2.35,  99.90,   2.34,   0.59,
07/17 04Z,  -0.60,  -0.27,  99.90,  -0.28,   0.59,
07/17 05Z,  -0.60,  -2.67,  99.90,  -2.68,   0.59,
07/17 06Z,  -0.60,  -4.24,  99.90,  -4.26,   0.59,
07/17 07Z,  -0.60,  -4.58,  99.90,  -4.59,   0.59,  (min)
07/17 08Z,  -0.60,  -3.53,  99.90,  -3.54,   0.59,
07/17 09Z,  -0.60,  -1.20,  99.90,  -1.21,   0.59,
07/17 10Z,  -0.60,   1.92,  99.90,   1.91,   0.59,
07/17 11Z,  -0.60,   4.85,  99.90,   4.84,   0.59,
07/17 12Z,  -0.60,   6.57,  99.90,   6.56,   0.59,
07/17 13Z,  -0.60,   6.62,  99.90,   6.61,   0.59,  (max)
07/17 14Z,  -0.60,   5.06,  99.90,   5.05,   0.59,
07/17 15Z,  -0.60,   2.24,  99.90,   2.23,   0.59,
07/17 16Z,  -0.60,  -1.23,  99.90,  -1.24,   0.59,
07/17 17Z,  -0.60,  -4.65,  99.90,  -4.66,   0.59,
07/17 18Z,  -0.70,  -7.31,  99.90,  -7.42,   0.59,
07/17 19Z,  -0.60,  -8.63,  99.90,  -8.64,   0.59,  (min)
07/17 20Z,  -0.70,  -8.29,  99.90,  -8.40,   0.59,
07/17 21Z,  -0.70,  -6.28,  99.90,  -6.39,   0.59,
07/17 22Z,  -0.70,  -2.96,  99.90,  -3.07,   0.59,
07/17 23Z,  -0.70,   0.82,  99.90,   0.71,   0.59,
07/18 00Z,  -0.70,   3.90,  99.90,   3.79,   0.59,
07/18 01Z,  -0.70,   5.49,  99.90,   5.38,   0.59,  (max)
07/18 02Z,  -0.70,   5.44,  99.90,   5.33,   0.59,
07/18 03Z,  -0.70,   4.00,  99.90,   3.89,   0.59,
07/18 04Z,  -0.70,   1.65,  99.90,   1.54,   0.59,
07/18 05Z,  -0.70,  -0.98,  99.90,  -1.09,   0.59,
07/18 06Z,  -0.70,  -3.25,  99.90,  -3.36,   0.59,
07/18 07Z,  -0.60,  -4.58,  99.90,  -4.59,   0.59,
07/18 08Z,  -0.60,  -4.64,  99.90,  -4.65,   0.59,  (min)
07/18 09Z,  -0.60,  -3.38,  99.90,  -3.39,   0.59,
07/18 10Z,  -0.50,  -1.02,  99.90,  -0.93,   0.59,
07/18 11Z,  -0.50,   1.91,  99.90,   2.00,   0.59,
07/18 12Z,  -0.50,   4.42,  99.90,   4.51,   0.59,
07/18 13Z,  -0.60,   5.66,  99.90,   5.65,   0.59,  (max)
07/18 14Z,  -0.60,   5.36,  99.90,   5.35,   0.59,
07/18 15Z,  -0.60,   3.69,  99.90,   3.68,   0.59,
07/18 16Z,  -0.60,   1.03,  99.90,   1.02,   0.59,
07/18 17Z,  -0.70,  -2.04,  99.90,  -2.15,   0.59,
07/18 18Z,  -0.70,  -4.89,  99.90,  -5.00,   0.59,
07/18 19Z,  -0.60,  -6.87,  99.90,  -6.88,   0.59,
07/18 20Z,  -0.60,  -7.49,  99.90,  -7.50,   0.59,  (min)
07/18 21Z,  -0.60,  -6.61,  99.90,  -6.62,   0.59,
07/18 22Z,  -0.60,  -4.35,  99.90,  -4.36,   0.59,
07/18 23Z,  -0.70,  -1.13,  99.90,  -1.24,   0.59,
07/19 00Z,  -0.70,   2.19,  99.90,   2.08,   0.59,
07/19 01Z,  -0.70,   4.59,  99.90,   4.48,   0.59,
07/19 02Z,  -0.70,   5.53,  99.90,   5.42,   0.59,  (max)
07/19 03Z,  -0.70,   5.01,  99.90,   4.90,   0.59,
07/19 04Z,  -0.60,   3.33,  99.90,   3.32,   0.59,
07/19 05Z,  -0.60,   0.95,  99.90,   0.94,   0.59,
07/19 06Z,  -0.60,  -1.55,  99.90,  -1.56,   0.59,
07/19 07Z,  -0.60,  -3.57,  99.90,  -3.58,   0.59,
07/19 08Z,  -0.60,  -4.61,  99.90,  -4.62,   0.59,  (min)
07/19 09Z,  -0.50,  -4.44,  99.90,  -4.35,   0.59,
07/19 10Z,  -0.50,  -3.13,  99.90,  -3.04,   0.59,
07/19 11Z,  -0.50,  -0.92,  99.90,  -0.83,   0.59,
07/19 12Z,  -0.60,   1.62,  99.90,   1.61,   0.59,
07/19 13Z,  99.90,   3.62,  99.90,  99.90,   0.59,
07/19 14Z,  99.90,   4.42,  99.90,  99.90,   0.59,
07/19 15Z,  99.90,   3.91,  99.90,  99.90,   0.59,
07/19 16Z,  99.90,   2.33,  99.90,  99.90,   0.59,
07/19 17Z,  99.90,   0.02,  99.90,  99.90,   0.59,
07/19 18Z,  99.90,  -2.50,  99.90,  99.90,   0.59,