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
#Yakutat, AK : 07/20/2025 19:20:46 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/19 00Z,  -0.30,   0.01,  -0.91,  99.90,  -0.62,
07/19 01Z,  -0.30,   1.82,   1.07,  99.90,  -0.45,
07/19 02Z,  -0.30,   3.43,   2.63,  99.90,  -0.50,
07/19 03Z,  -0.30,   4.45,   3.38,  99.90,  -0.77,
07/19 04Z,  -0.30,   4.64,   3.83,  99.90,  -0.51,  (max)
07/19 05Z,  -0.40,   3.92,   3.04,  99.90,  -0.48,
07/19 06Z,  -0.20,   2.42,   1.53,  99.90,  -0.69,
07/19 07Z,  -0.30,   0.45,  -0.41,  99.90,  -0.56,
07/19 08Z,  -0.30,  -1.60,  -2.39,  99.90,  -0.49,
07/19 09Z,  -0.40,  -3.31,  -3.99,  99.90,  -0.28,
07/19 10Z,  -0.40,  -4.37,  -5.09,  99.90,  -0.32,
07/19 11Z,  -0.40,  -4.61,  -5.09,  99.90,  -0.08,  (min)
07/19 12Z,  -0.30,  -4.05,  -4.68,  99.90,  -0.33,
07/19 13Z,  -0.40,  -2.91,  -3.51,  99.90,  -0.20,
07/19 14Z,  -0.50,  -1.51,  -2.25,  99.90,  -0.24,
07/19 15Z,  -0.50,  -0.20,  -0.97,  99.90,  -0.27,
07/19 16Z,  -0.50,   0.69,  -0.11,  99.90,  -0.30,
07/19 17Z,  -0.40,   1.00,   0.01,  99.90,  -0.59,  (max)
07/19 18Z,  -0.30,   0.71,  -0.19,  99.90,  -0.60,
07/19 19Z,  -0.30,  -0.04,  -0.95,  99.90,  -0.61,
07/19 20Z,  -0.40,  -0.97,  -1.91,  99.90,  -0.54,
07/19 21Z,  -0.40,  -1.75,  -2.44,  99.90,  -0.29,
07/19 22Z,  -0.40,  -2.09,  -2.83,  99.90,  -0.34,  (min)
07/19 23Z,  -0.40,  -1.80,  -2.55,  99.90,  -0.35,
07/20 00Z,  -0.30,  -0.87,  -1.66,  99.90,  -0.49,
07/20 01Z,  -0.40,   0.57,  -0.23,  99.90,  -0.40,
07/20 02Z,  -0.40,   2.21,   1.45,  99.90,  -0.36,
07/20 03Z,  -0.40,   3.69,   2.71,  99.90,  -0.58,
07/20 04Z,  -0.50,   4.65,   3.59,  99.90,  -0.56,
07/20 05Z,  -0.50,   4.81,   3.93,  99.90,  -0.38,  (max)
07/20 06Z,  -0.40,   4.09,   3.05,  99.90,  -0.64,
07/20 07Z,  -0.40,   2.58,   1.52,  99.90,  -0.66,
07/20 08Z,  -0.40,   0.54,  -0.46,  99.90,  -0.60,
07/20 09Z,  -0.40,  -1.63,  -2.54,  99.90,  -0.51,
07/20 10Z,  -0.50,  -3.54,  -4.37,  99.90,  -0.33,
07/20 11Z,  -0.50,  -4.83,  -5.50,  99.90,  -0.17,
07/20 12Z,  -0.40,  -5.28,  -5.99,  99.90,  -0.31,  (min)
07/20 13Z,  -0.50,  -4.88,  -5.59,  99.90,  -0.21,
07/20 14Z,  -0.50,  -3.79,  -4.48,  99.90,  -0.19,
07/20 15Z,  -0.60,  -2.31,  -3.11,  99.90,  -0.20,
07/20 16Z,  -0.50,  -0.80,  -1.65,  99.90,  -0.35,
07/20 17Z,  -0.50,   0.41,  -0.43,  99.90,  -0.34,
07/20 18Z,  -0.50,   1.06,   0.02,  99.90,  -0.54,
07/20 19Z,  -0.50,   1.08,   0.21,  99.90,  -0.37,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/20 20Z,  -0.50,   0.58,  99.90,  -0.29,  -0.36,
07/20 21Z,  -0.50,  -0.23,  99.90,  -1.08,  -0.35,
07/20 22Z,  -0.50,  -1.00,  99.90,  -1.85,  -0.35,
07/20 23Z,  -0.50,  -1.45,  99.90,  -2.28,  -0.34,  (min)
07/21 00Z,  -0.50,  -1.32,  99.90,  -2.15,  -0.33,
07/21 01Z,  -0.50,  -0.56,  99.90,  -1.38,  -0.32,
07/21 02Z,  -0.50,   0.74,  99.90,  -0.07,  -0.31,
07/21 03Z,  -0.50,   2.32,  99.90,   1.52,  -0.30,
07/21 04Z,  -0.50,   3.80,  99.90,   3.01,  -0.29,
07/21 05Z,  -0.50,   4.81,  99.90,   4.03,  -0.28,
07/21 06Z,  -0.50,   5.05,  99.90,   4.28,  -0.27,  (max)
07/21 07Z,  -0.50,   4.37,  99.90,   3.61,  -0.26,
07/21 08Z,  -0.50,   2.83,  99.90,   2.07,  -0.26,
07/21 09Z,  -0.50,   0.67,  99.90,  -0.09,  -0.26,
07/21 10Z,  -0.50,  -1.71,  99.90,  -2.47,  -0.26,
07/21 11Z,  -0.50,  -3.86,  99.90,  -4.62,  -0.26,
07/21 12Z,  -0.50,  -5.38,  99.90,  -6.14,  -0.26,
07/21 13Z,  -0.50,  -6.01,  99.90,  -6.77,  -0.26,  (min)
07/21 14Z,  -0.50,  -5.67,  99.90,  -6.43,  -0.26,
07/21 15Z,  -0.50,  -4.51,  99.90,  -5.27,  -0.26,
07/21 16Z,  -0.50,  -2.82,  99.90,  -3.59,  -0.26,
07/21 17Z,  -0.40,  -1.02,  99.90,  -1.68,  -0.26,
07/21 18Z,  -0.50,   0.49,  99.90,  -0.27,  -0.26,
07/21 19Z,  -0.50,   1.43,  99.90,   0.67,  -0.26,
07/21 20Z,  -0.50,   1.65,  99.90,   0.89,  -0.26,  (max)
07/21 21Z,  -0.50,   1.21,  99.90,   0.45,  -0.26,
07/21 22Z,  -0.40,   0.36,  99.90,  -0.31,  -0.26,
07/21 23Z,  -0.40,  -0.58,  99.90,  -1.24,  -0.26,
07/22 00Z,  -0.40,  -1.22,  99.90,  -1.88,  -0.26,
07/22 01Z,  -0.40,  -1.28,  99.90,  -1.94,  -0.26,  (min)
07/22 02Z,  -0.40,  -0.63,  99.90,  -1.30,  -0.26,
07/22 03Z,  -0.40,   0.64,  99.90,  -0.02,  -0.26,
07/22 04Z,  -0.40,   2.28,  99.90,   1.62,  -0.26,
07/22 05Z,  -0.40,   3.88,  99.90,   3.22,  -0.26,
07/22 06Z,  -0.30,   5.03,  99.90,   4.47,  -0.26,
07/22 07Z,  -0.30,   5.36,  99.90,   4.80,  -0.26,  (max)
07/22 08Z,  -0.30,   4.69,  99.90,   4.13,  -0.26,
07/22 09Z,  -0.30,   3.05,  99.90,   2.49,  -0.26,
07/22 10Z,  -0.30,   0.70,  99.90,   0.14,  -0.26,
07/22 11Z,  -0.30,  -1.92,  99.90,  -2.48,  -0.26,
07/22 12Z,  -0.30,  -4.31,  99.90,  -4.87,  -0.26,
07/22 13Z,  -0.40,  -6.01,  99.90,  -6.67,  -0.26,
07/22 14Z,  -0.30,  -6.70,  99.90,  -7.26,  -0.26,  (min)
07/22 15Z,  -0.40,  -6.29,  99.90,  -6.95,  -0.26,
07/22 16Z,  -0.30,  -4.92,  99.90,  -5.48,  -0.26,
07/22 17Z,  -0.30,  -2.96,  99.90,  -3.52,  -0.26,
07/22 18Z,  -0.30,  -0.85,  99.90,  -1.41,  -0.26,
07/22 19Z,  -0.30,   0.92,  99.90,   0.36,  -0.26,
07/22 20Z,  -0.20,   2.01,  99.90,   1.55,  -0.26,
07/22 21Z,  -0.20,   2.25,  99.90,   1.79,  -0.26,  (max)
07/22 22Z,  -0.20,   1.70,  99.90,   1.24,  -0.26,
07/22 23Z,  -0.20,   0.63,  99.90,   0.17,  -0.26,
07/23 00Z,  -0.20,  -0.54,  99.90,  -1.00,  -0.26,
07/23 01Z,  -0.10,  -1.38,  99.90,  -1.74,  -0.26,
07/23 02Z,  -0.20,  -1.57,  99.90,  -2.03,  -0.26,  (min)
07/23 03Z,  -0.10,  -0.94,  99.90,  -1.30,  -0.26,
07/23 04Z,  -0.20,   0.43,  99.90,  -0.03,  -0.26,
07/23 05Z,  -0.10,   2.24,  99.90,   1.88,  -0.26,
07/23 06Z,  -0.10,   4.02,  99.90,   3.66,  -0.26,
07/23 07Z,  -0.10,   5.31,  99.90,   4.95,  -0.26,
07/23 08Z,  -0.10,   5.68,  99.90,   5.32,  -0.26,  (max)
07/23 09Z,  -0.10,   4.93,  99.90,   4.56,  -0.26,
07/23 10Z,  -0.10,   3.10,  99.90,   2.74,  -0.26,
07/23 11Z,  -0.10,   0.51,  99.90,   0.15,  -0.26,
07/23 12Z,  -0.10,  -2.34,  99.90,  -2.70,  -0.26,
07/23 13Z,  -0.10,  -4.90,  99.90,  -5.26,  -0.26,
07/23 14Z,  -0.10,  -6.64,  99.90,  -7.00,  -0.26,
07/23 15Z,  -0.10,  -7.23,  99.90,  -7.60,  -0.26,  (min)
07/23 16Z,   0.00,  -6.60,  99.90,  -6.86,  -0.26,
07/23 17Z,   0.00,  -4.94,  99.90,  -5.20,  -0.26,
07/23 18Z,   0.00,  -2.66,  99.90,  -2.92,  -0.26,
07/23 19Z,   0.00,  -0.31,  99.90,  -0.57,  -0.26,
07/23 20Z,   0.00,   1.59,  99.90,   1.33,  -0.26,
07/23 21Z,   0.00,   2.65,  99.90,   2.39,  -0.26,
07/23 22Z,   0.00,   2.72,  99.90,   2.46,  -0.26,  (max)
07/23 23Z,   0.00,   1.91,  99.90,   1.65,  -0.26,
07/24 00Z,   0.00,   0.56,  99.90,   0.30,  -0.26,
07/24 01Z,   0.00,  -0.85,  99.90,  -1.11,  -0.26,
07/24 02Z,   0.00,  -1.84,  99.90,  -2.10,  -0.26,
07/24 03Z,   0.00,  -2.03,  99.90,  -2.30,  -0.26,  (min)
07/24 04Z,   0.00,  -1.29,  99.90,  -1.55,  -0.26,
07/24 05Z,   0.00,   0.27,  99.90,   0.01,  -0.26,
07/24 06Z,   0.00,   2.29,  99.90,   2.03,  -0.26,
07/24 07Z,   0.00,   4.24,  99.90,   3.98,  -0.26,
07/24 08Z,   0.00,   5.57,  99.90,   5.31,  -0.26,
07/24 09Z,   0.00,   5.86,  99.90,   5.60,  -0.26,  (max)
07/24 10Z,   0.00,   4.93,  99.90,   4.67,  -0.26,
07/24 11Z,   0.00,   2.86,  99.90,   2.60,  -0.26,
07/24 12Z,  -0.10,   0.03,  99.90,  -0.33,  -0.26,