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
#Skagway, AK : 08/17/2026 20:23:01 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/16 00Z,   1.70,  -2.58,  -3.63,  99.90,  -2.75,  (max)
08/16 01Z,   1.70,  -3.95,  -5.02,  99.90,  -2.77,
08/16 02Z,   1.70,  -7.21,  -8.17,  99.90,  -2.66,
08/16 03Z,   1.70, -11.72, -12.53,  99.90,  -2.51,
08/16 04Z,   1.70, -16.44, -17.45,  99.90,  -2.71,
08/16 05Z,   1.70, -20.02, -21.15,  99.90,  -2.83,
08/16 06Z,   1.60, -21.31, -22.77,  99.90,  -3.06,  (min)
08/16 07Z,   1.50, -20.01, -21.09,  99.90,  -2.58,
08/16 08Z,   1.50, -16.68, -17.65,  99.90,  -2.47,
08/16 09Z,   1.60, -12.30, -13.62,  99.90,  -2.92,
08/16 10Z,   1.60,  -7.98,  -9.33,  99.90,  -2.95,
08/16 11Z,   1.70,  -4.81,  -6.08,  99.90,  -2.97,
08/16 12Z,   1.50,  -3.59,  -4.88,  99.90,  -2.79,  (max)
08/16 13Z,   1.50,  -4.57,  -5.89,  99.90,  -2.82,
08/16 14Z,   1.50,  -7.44,  -8.68,  99.90,  -2.74,
08/16 15Z,   1.50, -11.60, -12.69,  99.90,  -2.59,
08/16 16Z,   1.50, -16.16, -17.05,  99.90,  -2.39,
08/16 17Z,   1.60, -19.91, -20.93,  99.90,  -2.62,
08/16 18Z,   1.40, -21.66, -22.96,  99.90,  -2.70,  (min)
08/16 19Z,   1.50, -20.85, -21.99,  99.90,  -2.64,
08/16 20Z,   1.70, -17.85, -18.78,  99.90,  -2.63,
08/16 21Z,   1.80, -13.54, -14.70,  99.90,  -2.96,
08/16 22Z,   1.80,  -8.99, -10.02,  99.90,  -2.83,
08/16 23Z,   1.90,  -5.25,  -6.19,  99.90,  -2.84,
08/17 00Z,   1.60,  -3.20,  -4.13,  99.90,  -2.53,  (max)
08/17 01Z,   1.80,  -3.30,  -4.14,  99.90,  -2.64,
08/17 02Z,   1.90,  -5.42,  -6.50,  99.90,  -2.98,
08/17 03Z,   1.90,  -9.04,  -9.92,  99.90,  -2.78,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/17 04Z,   1.90, -13.42,  99.90, -14.29,  -2.77,
08/17 05Z,   1.70, -17.54,  99.90, -18.60,  -2.76,
08/17 06Z,   1.70, -20.22,  99.90, -21.27,  -2.74,
08/17 07Z,   1.80, -20.64,  99.90, -21.57,  -2.73,  (min)
08/17 08Z,   1.80, -18.82,  99.90, -19.74,  -2.72,
08/17 09Z,   1.80, -15.47,  99.90, -16.38,  -2.71,
08/17 10Z,   1.80, -11.53,  99.90, -12.42,  -2.69,
08/17 11Z,   1.70,  -7.95,  99.90,  -8.93,  -2.68,
08/17 12Z,   1.90,  -5.62,  99.90,  -6.39,  -2.67,
08/17 13Z,   1.90,  -5.14,  99.90,  -5.90,  -2.65,  (max)
08/17 14Z,   1.80,  -6.54,  99.90,  -7.38,  -2.64,
08/17 15Z,   1.70,  -9.37,  99.90, -10.30,  -2.63,
08/17 16Z,   1.60, -13.00,  99.90, -14.03,  -2.63,
08/17 17Z,   1.60, -16.61,  99.90, -17.64,  -2.63,
08/17 18Z,   1.50, -19.17,  99.90, -20.30,  -2.63,
08/17 19Z,   1.60, -19.80,  99.90, -20.83,  -2.63,  (min)
08/17 20Z,   1.70, -18.28,  99.90, -19.21,  -2.63,
08/17 21Z,   1.80, -15.13,  99.90, -15.96,  -2.63,
08/17 22Z,   1.90, -11.23,  99.90, -11.96,  -2.63,
08/17 23Z,   1.90,  -7.48,  99.90,  -8.21,  -2.63,
08/18 00Z,   1.90,  -4.75,  99.90,  -5.48,  -2.63,
08/18 01Z,   1.90,  -3.73,  99.90,  -4.46,  -2.63,  (max)
08/18 02Z,   1.80,  -4.64,  99.90,  -5.47,  -2.63,
08/18 03Z,   1.70,  -7.18,  99.90,  -8.11,  -2.63,
08/18 04Z,   1.60, -10.75,  99.90, -11.78,  -2.63,
08/18 05Z,   1.50, -14.63,  99.90, -15.76,  -2.63,
08/18 06Z,   1.40, -17.93,  99.90, -19.16,  -2.63,
08/18 07Z,   1.40, -19.71,  99.90, -20.94,  -2.63,  (min)
08/18 08Z,   1.40, -19.47,  99.90, -20.70,  -2.63,
08/18 09Z,   1.40, -17.48,  99.90, -18.71,  -2.63,
08/18 10Z,   1.50, -14.45,  99.90, -15.58,  -2.63,
08/18 11Z,   1.60, -11.19,  99.90, -12.22,  -2.63,
08/18 12Z,   1.70,  -8.45,  99.90,  -9.37,  -2.63,
08/18 13Z,   1.70,  -6.91,  99.90,  -7.84,  -2.63,  (max)
08/18 14Z,   1.70,  -6.95,  99.90,  -7.88,  -2.63,
08/18 15Z,   1.60,  -8.43,  99.90,  -9.46,  -2.63,
08/18 16Z,   1.60, -10.86,  99.90, -11.89,  -2.63,
08/18 17Z,   1.60, -13.69,  99.90, -14.71,  -2.63,
08/18 18Z,   1.60, -16.24,  99.90, -17.27,  -2.63,
08/18 19Z,   1.60, -17.72,  99.90, -18.75,  -2.63,  (min)
08/18 20Z,   1.60, -17.55,  99.90, -18.57,  -2.63,
08/18 21Z,   1.50, -15.73,  99.90, -16.86,  -2.63,
08/18 22Z,   1.50, -12.85,  99.90, -13.98,  -2.63,
08/18 23Z,   1.40,  -9.65,  99.90, -10.88,  -2.63,
08/19 00Z,   1.30,  -6.83,  99.90,  -8.16,  -2.63,
08/19 01Z,   1.40,  -5.06,  99.90,  -6.29,  -2.63,
08/19 02Z,   1.40,  -4.84,  99.90,  -6.07,  -2.63,  (max)
08/19 03Z,   1.60,  -6.22,  99.90,  -7.25,  -2.63,
08/19 04Z,   1.70,  -8.79,  99.90,  -9.71,  -2.63,
08/19 05Z,   1.70, -11.96,  99.90, -12.89,  -2.63,
08/19 06Z,   1.80, -15.15,  99.90, -15.98,  -2.63,
08/19 07Z,   1.80, -17.63,  99.90, -18.46,  -2.63,
08/19 08Z,   1.70, -18.71,  99.90, -19.64,  -2.63,  (min)
08/19 09Z,   1.60, -18.17,  99.90, -19.20,  -2.63,
08/19 10Z,   1.40, -16.35,  99.90, -17.58,  -2.63,
08/19 11Z,   1.30, -13.89,  99.90, -15.22,  -2.63,
08/19 12Z,   1.20, -11.39,  99.90, -12.82,  -2.63,
08/19 13Z,   1.10,  -9.39,  99.90, -10.92,  -2.63,
08/19 14Z,   1.10,  -8.40,  99.90,  -9.93,  -2.63,  (max)
08/19 15Z,   1.20,  -8.64,  99.90, -10.07,  -2.63,
08/19 16Z,   1.30,  -9.87,  99.90, -11.19,  -2.63,
08/19 17Z,   1.40, -11.66,  99.90, -12.88,  -2.63,
08/19 18Z,   1.50, -13.59,  99.90, -14.72,  -2.63,
08/19 19Z,   1.50, -15.21,  99.90, -16.33,  -2.63,
08/19 20Z,   1.50, -15.93,  99.90, -17.06,  -2.63,  (min)
08/19 21Z,   1.50, -15.38,  99.90, -16.51,  -2.63,
08/19 22Z,   1.50, -13.69,  99.90, -14.82,  -2.63,
08/19 23Z,   1.50, -11.37,  99.90, -12.50,  -2.63,
08/20 00Z,   1.50,  -8.97,  99.90, -10.10,  -2.63,
08/20 01Z,   1.40,  -6.97,  99.90,  -8.20,  -2.63,
08/20 02Z,   1.40,  -5.91,  99.90,  -7.14,  -2.63,  (max)
08/20 03Z,   1.40,  -6.13,  99.90,  -7.36,  -2.63,
08/20 04Z,   1.50,  -7.59,  99.90,  -8.72,  -2.63,
08/20 05Z,   1.50,  -9.86,  99.90, -10.99,  -2.63,
08/20 06Z,   1.60, -12.48,  99.90, -13.51,  -2.63,
08/20 07Z,   1.60, -15.01,  99.90, -16.04,  -2.63,
08/20 08Z,   1.60, -16.89,  99.90, -17.91,  -2.63,
08/20 09Z,   1.50, -17.62,  99.90, -18.75,  -2.63,  (min)
08/20 10Z,   1.40, -17.12,  99.90, -18.35,  -2.63,
08/20 11Z,   1.20, -15.73,  99.90, -17.16,  -2.63,
08/20 12Z,   1.10, -13.91,  99.90, -15.44,  -2.63,
08/20 13Z,   1.10, -12.06,  99.90, -13.59,  -2.63,
08/20 14Z,   1.10, -10.55,  99.90, -12.08,  -2.63,
08/20 15Z,   1.30,  -9.78,  99.90, -11.10,  -2.63,
08/20 16Z,   1.40,  -9.87,  99.90, -11.09,  -2.63,  (max)
08/20 17Z,   1.50, -10.60,  99.90, -11.73,  -2.63,
08/20 18Z,   1.60, -11.68,  99.90, -12.71,  -2.63,
08/20 19Z,   1.60, -12.87,  99.90, -13.90,  -2.63,
08/20 20Z,   1.60, -13.88,  99.90, -14.91,  -2.63,
08/20 21Z,   1.60, -14.26,  99.90, -15.29,  -2.63,  (min)
08/20 22Z,   1.50, -13.76,  99.90, -14.89,  -2.63,
08/20 23Z,   1.40, -12.49,  99.90, -13.71,  -2.63,
08/21 00Z,   1.30, -10.81,  99.90, -12.14,  -2.63,
08/21 01Z,   1.30,  -9.07,  99.90, -10.40,  -2.63,
08/21 02Z,   1.30,  -7.62,  99.90,  -8.95,  -2.63,
08/21 03Z,   1.40,  -6.88,  99.90,  -8.11,  -2.63,  (max)
08/21 04Z,   1.50,  -7.17,  99.90,  -8.30,  -2.63,
08/21 05Z,   1.50,  -8.40,  99.90,  -9.53,  -2.63,
08/21 06Z,   1.60, -10.24,  99.90, -11.27,  -2.63,
08/21 07Z,   1.60, -12.36,  99.90, -13.39,  -2.63,
08/21 08Z,   1.60, -14.45,  99.90, -15.48,  -2.63,
08/21 09Z,   1.50, -16.08,  99.90, -17.21,  -2.63,
08/21 10Z,   1.40, -16.83,  99.90, -18.06,  -2.63,  (min)
08/21 11Z,   1.30, -16.64,  99.90, -17.97,  -2.63,
08/21 12Z,   1.20, -15.75,  99.90, -17.18,  -2.63,