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
#Seldovia, AK : 06/18/2026 06:22:57 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
06/16 12Z,   0.10,  -2.27,  -2.35,  99.90,  -0.18,  (max)
06/16 13Z,   0.10,  -4.80,  -5.16,  99.90,  -0.46,
06/16 14Z,   0.00,  -9.54,  -9.86,  99.90,  -0.32,
06/16 15Z,   0.00, -15.61, -15.52,  99.90,   0.09,
06/16 16Z,   0.00, -21.79, -21.52,  99.90,   0.27,
06/16 17Z,  -0.10, -26.60, -26.28,  99.90,   0.42,
06/16 18Z,   0.00, -28.72, -28.30,  99.90,   0.42,  (min)
06/16 19Z,   0.00, -27.70, -27.50,  99.90,   0.20,
06/16 20Z,   0.00, -24.09, -24.22,  99.90,  -0.13,
06/16 21Z,   0.00, -18.91, -19.26,  99.90,  -0.35,
06/16 22Z,   0.00, -13.24, -13.50,  99.90,  -0.26,
06/16 23Z,  -0.10,  -8.31,  -8.60,  99.90,  -0.19,
06/17 00Z,   0.00,  -5.18,  -5.68,  99.90,  -0.50,
06/17 01Z,   0.00,  -4.47,  -4.93,  99.90,  -0.46,  (max)
06/17 02Z,   0.00,  -6.23,  -6.61,  99.90,  -0.38,
06/17 03Z,  -0.10,  -9.96, -10.41,  99.90,  -0.35,
06/17 04Z,  -0.10, -14.61, -14.90,  99.90,  -0.19,
06/17 05Z,  -0.20, -18.79, -18.92,  99.90,   0.07,
06/17 06Z,  -0.20, -21.06, -21.40,  99.90,  -0.14,  (min)
06/17 07Z,  -0.20, -20.60, -20.92,  99.90,  -0.12,
06/17 08Z,  -0.20, -17.67, -17.76,  99.90,   0.11,
06/17 09Z,  -0.30, -13.28, -13.39,  99.90,   0.19,
06/17 10Z,  -0.30,  -8.53,  -8.87,  99.90,  -0.04,
06/17 11Z,  -0.40,  -4.56,  -4.98,  99.90,  -0.02,
06/17 12Z,  -0.40,  -2.44,  -2.76,  99.90,   0.08,  (max)
06/17 13Z,  -0.50,  -2.78,  -3.26,  99.90,   0.02,
06/17 14Z,  -0.50,  -5.68,  -6.36,  99.90,  -0.18,
06/17 15Z,  -0.60, -10.66, -11.17,  99.90,   0.09,
06/17 16Z,  -0.70, -16.75, -16.82,  99.90,   0.63,
06/17 17Z,  -0.70, -22.65, -22.66,  99.90,   0.69,
06/17 18Z,  -0.70, -26.89, -27.01,  99.90,   0.58,
06/17 19Z,  -0.60, -28.31, -28.46,  99.90,   0.45,  (min)
06/17 20Z,  -0.60, -26.71, -27.13,  99.90,   0.18,
06/17 21Z,  -0.60, -22.79, -23.59,  99.90,  -0.20,
06/17 22Z,  -0.60, -17.55, -18.34,  99.90,  -0.19,
06/17 23Z,  -0.60, -12.07, -12.69,  99.90,  -0.02,
06/18 00Z,  -0.60,  -7.51,  -8.23,  99.90,  -0.12,
06/18 01Z,  -0.70,  -4.88,  -5.74,  99.90,  -0.16,
06/18 02Z,  -0.70,  -4.69,  -5.46,  99.90,  -0.07,  (max)
06/18 03Z,  -0.80,  -6.90,  -7.58,  99.90,   0.12,
06/18 04Z,  -0.80, -10.87, -11.59,  99.90,   0.08,
06/18 05Z,  -0.80, -15.48, -16.05,  99.90,   0.23,
06/18 06Z,  -0.80, -19.36, -19.86,  99.90,   0.30,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
06/18 07Z,  -0.80, -21.16,  99.90, -21.69,   0.28,  (min)
06/18 08Z,  -0.80, -20.31,  99.90, -20.85,   0.26,
06/18 09Z,  -0.80, -17.26,  99.90, -17.82,   0.24,
06/18 10Z,  -0.80, -12.99,  99.90, -13.57,   0.23,
06/18 11Z,  -0.80,  -8.52,  99.90,  -9.11,   0.21,
06/18 12Z,  -0.70,  -4.94,  99.90,  -5.45,   0.19,
06/18 13Z,  -0.80,  -3.22,  99.90,  -3.85,   0.18,  (max)
06/18 14Z,  -0.90,  -3.91,  99.90,  -4.65,   0.16,
06/18 15Z,  -0.90,  -7.00,  99.90,  -7.76,   0.14,
06/18 16Z,  -0.90, -11.93,  99.90, -12.70,   0.13,
06/18 17Z,  -0.90, -17.68,  99.90, -18.47,   0.11,
06/18 18Z,  -0.90, -22.96,  99.90, -23.76,   0.09,
06/18 19Z,  -0.90, -26.42,  99.90, -27.23,   0.09,
06/18 20Z,  -0.90, -27.14,  99.90, -27.94,   0.09,  (min)
06/18 21Z,  -0.90, -25.12,  99.90, -25.93,   0.09,
06/18 22Z,  -1.00, -21.14,  99.90, -22.05,   0.09,
06/18 23Z,  -0.90, -16.11,  99.90, -16.92,   0.09,
06/19 00Z,  -0.90, -11.04,  99.90, -11.85,   0.09,
06/19 01Z,  -0.80,  -7.04,  99.90,  -7.75,   0.09,
06/19 02Z,  -0.80,  -4.99,  99.90,  -5.70,   0.09,  (max)
06/19 03Z,  -0.80,  -5.30,  99.90,  -6.01,   0.09,
06/19 04Z,  -0.80,  -7.80,  99.90,  -8.51,   0.09,
06/19 05Z,  -0.80, -11.77,  99.90, -12.48,   0.09,
06/19 06Z,  -0.80, -16.11,  99.90, -16.82,   0.09,
06/19 07Z,  -0.90, -19.54,  99.90, -20.35,   0.09,
06/19 08Z,  -0.90, -20.92,  99.90, -21.73,   0.09,  (min)
06/19 09Z,  -0.90, -19.87,  99.90, -20.68,   0.09,
06/19 10Z,  -0.80, -16.95,  99.90, -17.66,   0.09,
06/19 11Z,  -0.80, -13.03,  99.90, -13.74,   0.09,
06/19 12Z,  -0.80,  -9.02,  99.90,  -9.73,   0.09,
06/19 13Z,  -0.90,  -5.91,  99.90,  -6.72,   0.09,
06/19 14Z,  -0.90,  -4.59,  99.90,  -5.40,   0.09,  (max)
06/19 15Z,  -1.00,  -5.50,  99.90,  -6.41,   0.09,
06/19 16Z,  -1.00,  -8.54,  99.90,  -9.45,   0.09,
06/19 17Z,  -0.90, -13.10,  99.90, -13.91,   0.09,
06/19 18Z,  -0.90, -18.18,  99.90, -18.99,   0.09,
06/19 19Z,  -0.80, -22.63,  99.90, -23.34,   0.09,
06/19 20Z,  -0.80, -25.27,  99.90, -25.98,   0.09,
06/19 21Z,  -0.80, -25.39,  99.90, -26.09,   0.09,  (min)
06/19 22Z,  -0.80, -23.17,  99.90, -23.88,   0.09,
06/19 23Z,  -0.70, -19.35,  99.90, -19.96,   0.09,
06/20 00Z,  -0.70, -14.73,  99.90, -15.34,   0.09,
06/20 01Z,  -0.70, -10.24,  99.90, -10.85,   0.09,
06/20 02Z,  -0.70,  -6.89,  99.90,  -7.50,   0.09,
06/20 03Z,  -0.70,  -5.43,  99.90,  -6.04,   0.09,  (max)
06/20 04Z,  -0.70,  -6.12,  99.90,  -6.73,   0.09,
06/20 05Z,  -0.70,  -8.71,  99.90,  -9.32,   0.09,
06/20 06Z,  -0.70, -12.47,  99.90, -13.08,   0.09,
06/20 07Z,  -0.70, -16.41,  99.90, -17.01,   0.09,
06/20 08Z,  -0.60, -19.39,  99.90, -19.90,   0.09,
06/20 09Z,  -0.50, -20.48,  99.90, -20.89,   0.09,  (min)
06/20 10Z,  -0.50, -19.46,  99.90, -19.87,   0.09,
06/20 11Z,  -0.50, -16.88,  99.90, -17.29,   0.09,
06/20 12Z,  -0.50, -13.47,  99.90, -13.87,   0.09,
06/20 13Z,  -0.60,  -9.99,  99.90, -10.50,   0.09,
06/20 14Z,  -0.70,  -7.35,  99.90,  -7.96,   0.09,
06/20 15Z,  -0.80,  -6.34,  99.90,  -7.05,   0.09,  (max)
06/20 16Z,  -0.80,  -7.27,  99.90,  -7.98,   0.09,
06/20 17Z,  -0.70, -10.00,  99.90, -10.61,   0.09,
06/20 18Z,  -0.60, -13.92,  99.90, -14.43,   0.09,
06/20 19Z,  -0.50, -18.15,  99.90, -18.56,   0.09,
06/20 20Z,  -0.50, -21.72,  99.90, -22.12,   0.09,
06/20 21Z,  -0.50, -23.61,  99.90, -24.02,   0.09,  (min)
06/20 22Z,  -0.50, -23.32,  99.90, -23.73,   0.09,
06/20 23Z,  -0.50, -21.11,  99.90, -21.52,   0.09,
06/21 00Z,  -0.50, -17.63,  99.90, -18.04,   0.09,
06/21 01Z,  -0.50, -13.55,  99.90, -13.96,   0.09,
06/21 02Z,  -0.60,  -9.71,  99.90, -10.22,   0.09,
06/21 03Z,  -0.60,  -7.01,  99.90,  -7.52,   0.09,
06/21 04Z,  -0.60,  -6.05,  99.90,  -6.55,   0.09,  (max)
06/21 05Z,  -0.60,  -6.97,  99.90,  -7.48,   0.09,
06/21 06Z,  -0.50,  -9.49,  99.90,  -9.90,   0.09,
06/21 07Z,  -0.40, -12.92,  99.90, -13.23,   0.09,
06/21 08Z,  -0.40, -16.44,  99.90, -16.75,   0.09,
06/21 09Z,  -0.30, -19.09,  99.90, -19.30,   0.09,
06/21 10Z,  -0.30, -20.06,  99.90, -20.27,   0.09,  (min)
06/21 11Z,  -0.30, -19.26,  99.90, -19.47,   0.09,
06/21 12Z,  -0.30, -17.14,  99.90, -17.35,   0.09,
06/21 13Z,  -0.40, -14.27,  99.90, -14.58,   0.09,
06/21 14Z,  -0.60, -11.29,  99.90, -11.80,   0.09,
06/21 15Z,  -0.60,  -9.02,  99.90,  -9.53,   0.09,
06/21 16Z,  -0.60,  -8.14,  99.90,  -8.64,   0.09,  (max)
06/21 17Z,  -0.60,  -8.88,  99.90,  -9.39,   0.09,
06/21 18Z,  -0.60, -11.10,  99.90, -11.61,   0.09,
06/21 19Z,  -0.50, -14.25,  99.90, -14.66,   0.09,
06/21 20Z,  -0.40, -17.62,  99.90, -17.93,   0.09,
06/21 21Z,  -0.40, -20.40,  99.90, -20.70,   0.09,
06/21 22Z,  -0.40, -21.73,  99.90, -22.04,   0.09,  (min)
06/21 23Z,  -0.40, -21.23,  99.90, -21.54,   0.09,
06/22 00Z,  -0.40, -19.19,  99.90, -19.50,   0.09,