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 : 05/18/2026 12:21:54 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/16 12Z,  -0.60,  -8.12,  -8.92,  99.90,  -0.20,
05/16 13Z,  -0.60, -11.32, -12.03,  99.90,  -0.11,
05/16 14Z,  -0.60, -13.90, -14.65,  99.90,  -0.15,
05/16 15Z,  -0.60, -15.32, -16.11,  99.90,  -0.19,  (min)
05/16 16Z,  -0.60, -15.31, -15.94,  99.90,  -0.03,
05/16 17Z,  -0.60, -13.92, -14.76,  99.90,  -0.24,
05/16 18Z,  -0.60, -11.54, -12.32,  99.90,  -0.18,
05/16 19Z,  -0.60,  -8.76,  -9.67,  99.90,  -0.31,
05/16 20Z,  -0.60,  -6.26,  -7.28,  99.90,  -0.42,
05/16 21Z,  -0.60,  -4.58,  -5.45,  99.90,  -0.27,
05/16 22Z,  -0.70,  -4.07,  -5.22,  99.90,  -0.45,  (max)
05/16 23Z,  -0.70,  -4.74,  -5.82,  99.90,  -0.38,
05/17 00Z,  -0.70,  -6.29,  -7.37,  99.90,  -0.38,
05/17 01Z,  -0.70,  -8.19,  -9.26,  99.90,  -0.37,
05/17 02Z,  -0.80,  -9.84, -10.76,  99.90,  -0.12,
05/17 03Z,  -0.70, -10.68, -11.61,  99.90,  -0.23,  (min)
05/17 04Z,  -0.80, -10.42, -11.19,  99.90,   0.03,
05/17 05Z,  -0.80,  -9.02,  -9.73,  99.90,   0.09,
05/17 06Z,  -0.60,  -6.78,  -7.68,  99.90,  -0.30,
05/17 07Z,  -0.70,  -4.27,  -5.07,  99.90,  -0.10,
05/17 08Z,  -0.70,  -2.14,  -2.89,  99.90,  -0.05,
05/17 09Z,  -0.70,  -0.99,  -1.90,  99.90,  -0.21,  (max)
05/17 10Z,  -0.70,  -1.20,  -2.17,  99.90,  -0.27,
05/17 11Z,  -0.60,  -2.84,  -3.71,  99.90,  -0.27,
05/17 12Z,  -0.60,  -5.64,  -6.54,  99.90,  -0.30,
05/17 13Z,  -0.70,  -9.04,  -9.90,  99.90,  -0.16,
05/17 14Z,  -0.70, -12.32, -12.99,  99.90,   0.03,
05/17 15Z,  -0.60, -14.79, -15.37,  99.90,   0.02,
05/17 16Z,  -0.50, -15.94, -16.45,  99.90,  -0.01,  (min)
05/17 17Z,  -0.40, -15.58, -15.95,  99.90,   0.03,
05/17 18Z,  -0.40, -13.85, -14.17,  99.90,   0.08,
05/17 19Z,  -0.50, -11.22, -11.54,  99.90,   0.18,
05/17 20Z,  -0.40,  -8.33,  -8.66,  99.90,   0.07,
05/17 21Z,  -0.40,  -5.86,  -6.20,  99.90,   0.06,
05/17 22Z,  -0.30,  -4.35,  -4.84,  99.90,  -0.19,
05/17 23Z,  -0.30,  -4.05,  -4.58,  99.90,  -0.23,  (max)
05/18 00Z,  -0.30,  -4.90,  -5.39,  99.90,  -0.19,
05/18 01Z,  -0.40,  -6.55,  -7.05,  99.90,  -0.10,
05/18 02Z,  -0.40,  -8.43,  -8.83,  99.90,  -0.00,
05/18 03Z,  -0.50,  -9.92, -10.32,  99.90,   0.10,
05/18 04Z,  -0.40, -10.52, -10.84,  99.90,   0.08,  (min)
05/18 05Z,  -0.30,  -9.98, -10.31,  99.90,  -0.03,
05/18 06Z,  -0.30,  -8.36,  -8.73,  99.90,  -0.07,
05/18 07Z,  -0.20,  -6.02,  -6.50,  99.90,  -0.28,
05/18 08Z,  -0.20,  -3.57,  -4.04,  99.90,  -0.27,
05/18 09Z,  -0.20,  -1.65,  -2.18,  99.90,  -0.33,
05/18 10Z,  -0.30,  -0.82,  -1.45,  99.90,  -0.33,  (max)
05/18 11Z,  -0.30,  -1.40,  -2.10,  99.90,  -0.40,
05/18 12Z,  -0.30,  -3.38,  -4.07,  99.90,  -0.39,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/18 13Z,  -0.40,  -6.39,  99.90,  -7.18,  -0.38,
05/18 14Z,  -0.50,  -9.84,  99.90, -10.71,  -0.37,
05/18 15Z,  -0.60, -13.01,  99.90, -13.97,  -0.36,
05/18 16Z,  -0.50, -15.23,  99.90, -16.08,  -0.35,
05/18 17Z,  -0.50, -16.07,  99.90, -16.91,  -0.34,  (min)
05/18 18Z,  -0.40, -15.41,  99.90, -16.14,  -0.33,
05/18 19Z,  -0.40, -13.47,  99.90, -14.19,  -0.32,
05/18 20Z,  -0.40, -10.76,  99.90, -11.47,  -0.31,
05/18 21Z,  -0.30,  -7.93,  99.90,  -8.53,  -0.30,
05/18 22Z,  -0.30,  -5.63,  99.90,  -6.22,  -0.29,
05/18 23Z,  -0.20,  -4.34,  99.90,  -4.82,  -0.28,
05/19 00Z,  -0.20,  -4.24,  99.90,  -4.71,  -0.27,  (max)
05/19 01Z,  -0.20,  -5.22,  99.90,  -5.69,  -0.27,
05/19 02Z,  -0.30,  -6.87,  99.90,  -7.44,  -0.27,
05/19 03Z,  -0.30,  -8.62,  99.90,  -9.19,  -0.27,
05/19 04Z,  -0.40,  -9.91,  99.90, -10.58,  -0.27,
05/19 05Z,  -0.40, -10.27,  99.90, -10.94,  -0.27,  (min)
05/19 06Z,  -0.40,  -9.54,  99.90, -10.21,  -0.27,
05/19 07Z,  -0.40,  -7.82,  99.90,  -8.49,  -0.27,
05/19 08Z,  -0.40,  -5.54,  99.90,  -6.21,  -0.27,
05/19 09Z,  -0.40,  -3.27,  99.90,  -3.94,  -0.27,
05/19 10Z,  -0.40,  -1.62,  99.90,  -2.29,  -0.27,
05/19 11Z,  -0.40,  -1.11,  99.90,  -1.78,  -0.27,  (max)
05/19 12Z,  -0.40,  -1.96,  99.90,  -2.63,  -0.27,
05/19 13Z,  -0.50,  -4.09,  99.90,  -4.86,  -0.27,
05/19 14Z,  -0.50,  -7.11,  99.90,  -7.88,  -0.27,
05/19 15Z,  -0.60, -10.41,  99.90, -11.28,  -0.27,
05/19 16Z,  -0.60, -13.31,  99.90, -14.18,  -0.27,
05/19 17Z,  -0.60, -15.21,  99.90, -16.08,  -0.27,
05/19 18Z,  -0.60, -15.76,  99.90, -16.63,  -0.27,  (min)
05/19 19Z,  -0.60, -14.90,  99.90, -15.77,  -0.27,
05/19 20Z,  -0.60, -12.90,  99.90, -13.77,  -0.27,
05/19 21Z,  -0.70, -10.27,  99.90, -11.24,  -0.27,
05/19 22Z,  -0.60,  -7.63,  99.90,  -8.50,  -0.27,
05/19 23Z,  -0.60,  -5.57,  99.90,  -6.45,  -0.27,
05/20 00Z,  -0.60,  -4.50,  99.90,  -5.37,  -0.27,  (max)
05/20 01Z,  -0.60,  -4.55,  99.90,  -5.42,  -0.27,
05/20 02Z,  -0.60,  -5.56,  99.90,  -6.43,  -0.27,
05/20 03Z,  -0.60,  -7.12,  99.90,  -7.99,  -0.27,
05/20 04Z,  -0.70,  -8.70,  99.90,  -9.67,  -0.27,
05/20 05Z,  -0.70,  -9.78,  99.90, -10.75,  -0.27,
05/20 06Z,  -0.60,  -9.98,  99.90, -10.85,  -0.27,  (min)
05/20 07Z,  -0.60,  -9.17,  99.90, -10.04,  -0.27,
05/20 08Z,  -0.60,  -7.52,  99.90,  -8.39,  -0.27,
05/20 09Z,  -0.60,  -5.42,  99.90,  -6.29,  -0.27,
05/20 10Z,  -0.60,  -3.41,  99.90,  -4.29,  -0.27,
05/20 11Z,  -0.60,  -2.07,  99.90,  -2.94,  -0.27,
05/20 12Z,  -0.60,  -1.79,  99.90,  -2.66,  -0.27,  (max)
05/20 13Z,  -0.60,  -2.76,  99.90,  -3.63,  -0.27,
05/20 14Z,  -0.60,  -4.86,  99.90,  -5.73,  -0.27,
05/20 15Z,  -0.60,  -7.69,  99.90,  -8.56,  -0.27,
05/20 16Z,  -0.60, -10.69,  99.90, -11.56,  -0.27,
05/20 17Z,  -0.50, -13.23,  99.90, -14.00,  -0.27,
05/20 18Z,  -0.40, -14.81,  99.90, -15.49,  -0.27,
05/20 19Z,  -0.30, -15.14,  99.90, -15.71,  -0.27,  (min)
05/20 20Z,  -0.20, -14.20,  99.90, -14.67,  -0.27,
05/20 21Z,  -0.20, -12.27,  99.90, -12.74,  -0.27,
05/20 22Z,  -0.10,  -9.83,  99.90, -10.20,  -0.27,
05/20 23Z,   0.00,  -7.45,  99.90,  -7.72,  -0.27,
05/21 00Z,   0.00,  -5.64,  99.90,  -5.91,  -0.27,
05/21 01Z,   0.00,  -4.74,  99.90,  -5.01,  -0.27,  (max)
05/21 02Z,   0.10,  -4.85,  99.90,  -5.02,  -0.27,
05/21 03Z,   0.10,  -5.80,  99.90,  -5.97,  -0.27,
05/21 04Z,   0.10,  -7.22,  99.90,  -7.39,  -0.27,
05/21 05Z,   0.00,  -8.62,  99.90,  -8.89,  -0.27,
05/21 06Z,   0.00,  -9.56,  99.90,  -9.83,  -0.27,
05/21 07Z,   0.00,  -9.71,  99.90,  -9.98,  -0.27,  (min)
05/21 08Z,  -0.10,  -8.98,  99.90,  -9.35,  -0.27,
05/21 09Z,  -0.10,  -7.52,  99.90,  -7.89,  -0.27,
05/21 10Z,  -0.10,  -5.70,  99.90,  -6.07,  -0.27,
05/21 11Z,  -0.20,  -4.00,  99.90,  -4.47,  -0.27,
05/21 12Z,  -0.30,  -2.89,  99.90,  -3.46,  -0.27,
05/21 13Z,  -0.30,  -2.74,  99.90,  -3.31,  -0.27,  (max)
05/21 14Z,  -0.40,  -3.68,  99.90,  -4.35,  -0.27,
05/21 15Z,  -0.40,  -5.58,  99.90,  -6.25,  -0.27,
05/21 16Z,  -0.50,  -8.08,  99.90,  -8.85,  -0.27,
05/21 17Z,  -0.50, -10.69,  99.90, -11.46,  -0.27,
05/21 18Z,  -0.50, -12.86,  99.90, -13.63,  -0.27,
05/21 19Z,  -0.50, -14.16,  99.90, -14.93,  -0.27,
05/21 20Z,  -0.50, -14.35,  99.90, -15.12,  -0.27,  (min)
05/21 21Z,  -0.50, -13.43,  99.90, -14.20,  -0.27,
05/21 22Z,  -0.50, -11.65,  99.90, -12.42,  -0.27,
05/21 23Z,  -0.50,  -9.45,  99.90, -10.22,  -0.27,
05/22 00Z,  -0.50,  -7.32,  99.90,  -8.09,  -0.27,