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
#Nikiski, AK : 05/13/2025 23:22:45 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/12 06Z,   0.00, -19.27, -19.88,  99.90,  -0.61,
05/12 07Z,   0.00, -21.05, -21.96,  99.90,  -0.91,  (min)
05/12 08Z,   0.00, -20.18, -21.25,  99.90,  -1.07,
05/12 09Z,   0.00, -16.80, -17.09,  99.90,  -0.29,
05/12 10Z,   0.00, -12.52, -12.77,  99.90,  -0.25,
05/12 11Z,   0.00,  -8.67,  -9.10,  99.90,  -0.43,
05/12 12Z,   0.00,  -5.94,  -6.29,  99.90,  -0.35,
05/12 13Z,   0.00,  -5.06,  -5.24,  99.90,  -0.18,  (max)
05/12 14Z,   0.00,  -6.46,  -6.45,  99.90,   0.01,
05/12 15Z,   0.00,  -9.82,  -9.83,  99.90,  -0.01,
05/12 16Z,   0.00, -14.20, -14.10,  99.90,   0.10,
05/12 17Z,  -0.10, -18.71, -18.31,  99.90,   0.50,
05/12 18Z,   0.00, -22.92, -22.47,  99.90,   0.45,
05/12 19Z,   0.00, -26.15, -25.77,  99.90,   0.38,
05/12 20Z,   0.00, -26.91, -27.07,  99.90,  -0.16,  (min)
05/12 21Z,   0.00, -24.45, -24.62,  99.90,  -0.17,
05/12 22Z,   0.00, -19.88, -19.45,  99.90,   0.43,
05/12 23Z,   0.00, -14.85, -14.54,  99.90,   0.31,
05/13 00Z,   0.10, -10.36, -10.28,  99.90,  -0.02,
05/13 01Z,   0.10,  -7.23,  -7.32,  99.90,  -0.19,
05/13 02Z,   0.00,  -6.29,  -6.17,  99.90,   0.12,  (max)
05/13 03Z,   0.00,  -7.66,  -7.33,  99.90,   0.33,
05/13 04Z,   0.10, -10.65, -10.58,  99.90,  -0.03,
05/13 05Z,   0.00, -14.15, -14.43,  99.90,  -0.28,
05/13 06Z,   0.10, -17.42, -17.84,  99.90,  -0.52,
05/13 07Z,   0.00, -19.95, -20.55,  99.90,  -0.60,
05/13 08Z,   0.00, -20.66, -21.45,  99.90,  -0.79,  (min)
05/13 09Z,   0.00, -18.54, -18.99,  99.90,  -0.45,
05/13 10Z,   0.00, -14.36, -14.54,  99.90,  -0.18,
05/13 11Z,   0.00, -10.04,  99.90,  99.90,  99.90,
05/13 12Z,   0.00,  -6.81,  -7.55,  99.90,  -0.74,
05/13 13Z,   0.00,  -5.15,  -5.45,  99.90,  -0.30,  (max)
05/13 14Z,   0.00,  -5.51,  -5.59,  99.90,  -0.08,
05/13 15Z,   0.00,  -7.99,  -8.18,  99.90,  -0.19,
05/13 16Z,  -0.10, -12.05, -12.33,  99.90,  -0.18,
05/13 17Z,  -0.10, -16.72, -16.61,  99.90,   0.21,
05/13 18Z,  -0.10, -21.14, -20.84,  99.90,   0.40,
05/13 19Z,  -0.10, -24.87, -24.66,  99.90,   0.31,
05/13 20Z,  -0.20, -27.09, -27.15,  99.90,   0.14,  (min)
05/13 21Z,  -0.20, -26.45, -26.90,  99.90,  -0.25,
05/13 22Z,  -0.20, -22.77, -22.73,  99.90,   0.24,
05/13 23Z,  -0.20, -17.64, -17.52,  99.90,   0.32,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/14 00Z,  -0.20, -12.73,  99.90, -12.65,   0.28,
05/14 01Z,  -0.10,  -8.84,  99.90,  -8.70,   0.24,
05/14 02Z,  -0.10,  -6.59,  99.90,  -6.49,   0.21,
05/14 03Z,  -0.10,  -6.54,  99.90,  -6.47,   0.17,  (max)
05/14 04Z,  -0.20,  -8.59,  99.90,  -8.66,   0.13,
05/14 05Z,  -0.20, -11.93,  99.90, -12.03,   0.10,
05/14 06Z,  -0.30, -15.44,  99.90, -15.68,   0.06,
05/14 07Z,  -0.30, -18.38,  99.90, -18.65,   0.03,
05/14 08Z,  -0.30, -20.17,  99.90, -20.48,  -0.01,  (min)
05/14 09Z,  -0.20, -19.76,  99.90, -20.01,  -0.05,
05/14 10Z,  -0.20, -16.60,  99.90, -16.89,  -0.08,
05/14 11Z,  -0.20, -12.04,  99.90, -12.36,  -0.12,
05/14 12Z,  -0.20,  -8.12,  99.90,  -8.44,  -0.12,
05/14 13Z,  -0.30,  -5.79,  99.90,  -6.21,  -0.12,
05/14 14Z,  -0.30,  -5.23,  99.90,  -5.64,  -0.12,  (max)
05/14 15Z,  -0.40,  -6.61,  99.90,  -7.13,  -0.12,
05/14 16Z,  -0.40,  -9.85,  99.90, -10.37,  -0.12,
05/14 17Z,  -0.40, -14.30,  99.90, -14.82,  -0.12,
05/14 18Z,  -0.50, -18.97,  99.90, -19.59,  -0.12,
05/14 19Z,  -0.50, -23.05,  99.90, -23.67,  -0.12,
05/14 20Z,  -0.50, -26.06,  99.90, -26.68,  -0.12,
05/14 21Z,  -0.50, -27.15,  99.90, -27.77,  -0.12,  (min)
05/14 22Z,  -0.60, -25.24,  99.90, -25.96,  -0.12,
05/14 23Z,  -0.60, -20.73,  99.90, -21.44,  -0.12,
05/15 00Z,  -0.60, -15.52,  99.90, -16.24,  -0.12,
05/15 01Z,  -0.60, -11.11,  99.90, -11.83,  -0.12,
05/15 02Z,  -0.60,  -7.98,  99.90,  -8.70,  -0.12,
05/15 03Z,  -0.60,  -6.55,  99.90,  -7.27,  -0.12,  (max)
05/15 04Z,  -0.60,  -7.20,  99.90,  -7.92,  -0.12,
05/15 05Z,  -0.60,  -9.70,  99.90, -10.42,  -0.12,
05/15 06Z,  -0.60, -13.17,  99.90, -13.89,  -0.12,
05/15 07Z,  -0.70, -16.49,  99.90, -17.31,  -0.12,
05/15 08Z,  -0.70, -18.93,  99.90, -19.75,  -0.12,
05/15 09Z,  -0.70, -19.90,  99.90, -20.72,  -0.12,  (min)
05/15 10Z,  -0.70, -18.49,  99.90, -19.31,  -0.12,
05/15 11Z,  -0.70, -14.66,  99.90, -15.48,  -0.12,
05/15 12Z,  -0.60, -10.19,  99.90, -10.91,  -0.12,
05/15 13Z,  -0.60,  -7.00,  99.90,  -7.72,  -0.12,
05/15 14Z,  -0.50,  -5.62,  99.90,  -6.24,  -0.12,  (max)
05/15 15Z,  -0.50,  -5.98,  99.90,  -6.60,  -0.12,
05/15 16Z,  -0.50,  -8.09,  99.90,  -8.70,  -0.12,
05/15 17Z,  -0.50, -11.75,  99.90, -12.37,  -0.12,
05/15 18Z,  -0.50, -16.30,  99.90, -16.92,  -0.12,
05/15 19Z,  -0.50, -20.73,  99.90, -21.35,  -0.12,
05/15 20Z,  -0.50, -24.27,  99.90, -24.88,  -0.12,
05/15 21Z,  -0.40, -26.45,  99.90, -26.97,  -0.12,
05/15 22Z,  -0.40, -26.47,  99.90, -26.99,  -0.12,  (min)
05/15 23Z,  -0.40, -23.60,  99.90, -24.12,  -0.12,
05/16 00Z,  -0.30, -18.73,  99.90, -19.15,  -0.12,
05/16 01Z,  -0.30, -13.88,  99.90, -14.29,  -0.12,
05/16 02Z,  -0.30, -10.15,  99.90, -10.57,  -0.12,
05/16 03Z,  -0.20,  -7.75,  99.90,  -8.07,  -0.12,
05/16 04Z,  -0.20,  -6.97,  99.90,  -7.29,  -0.12,  (max)
05/16 05Z,  -0.10,  -8.09,  99.90,  -8.31,  -0.12,
05/16 06Z,   0.00, -10.82,  99.90, -10.94,  -0.12,
05/16 07Z,   0.00, -14.23,  99.90, -14.34,  -0.12,
05/16 08Z,   0.00, -17.18,  99.90, -17.30,  -0.12,
05/16 09Z,   0.00, -19.04,  99.90, -19.15,  -0.12,
05/16 10Z,   0.10, -19.24,  99.90, -19.26,  -0.12,  (min)
05/16 11Z,   0.10, -17.10,  99.90, -17.12,  -0.12,
05/16 12Z,   0.20, -13.05,  99.90, -12.97,  -0.12,
05/16 13Z,   0.20,  -9.06,  99.90,  -8.98,  -0.12,
05/16 14Z,   0.20,  -6.71,  99.90,  -6.63,  -0.12,
05/16 15Z,   0.20,  -6.15,  99.90,  -6.07,  -0.12,  (max)
05/16 16Z,   0.20,  -7.13,  99.90,  -7.05,  -0.12,
05/16 17Z,   0.20,  -9.62,  99.90,  -9.54,  -0.12,
05/16 18Z,   0.20, -13.43,  99.90, -13.35,  -0.12,
05/16 19Z,   0.20, -17.85,  99.90, -17.76,  -0.12,
05/16 20Z,   0.20, -21.85,  99.90, -21.77,  -0.12,
05/16 21Z,   0.30, -24.74,  99.90, -24.56,  -0.12,
05/16 22Z,   0.30, -26.13,  99.90, -25.95,  -0.12,  (min)
05/16 23Z,   0.30, -25.31,  99.90, -25.13,  -0.12,
05/17 00Z,   0.30, -21.89,  99.90, -21.71,  -0.12,
05/17 01Z,   0.30, -17.12,  99.90, -16.94,  -0.12,
05/17 02Z,   0.30, -12.86,  99.90, -12.68,  -0.12,
05/17 03Z,   0.30,  -9.81,  99.90,  -9.63,  -0.12,
05/17 04Z,   0.30,  -7.96,  99.90,  -7.78,  -0.12,
05/17 05Z,   0.30,  -7.61,  99.90,  -7.42,  -0.12,  (max)
05/17 06Z,   0.30,  -9.00,  99.90,  -8.82,  -0.12,
05/17 07Z,   0.30, -11.78,  99.90, -11.60,  -0.12,
05/17 08Z,   0.30, -14.96,  99.90, -14.78,  -0.12,
05/17 09Z,   0.30, -17.47,  99.90, -17.28,  -0.12,
05/17 10Z,   0.40, -18.77,  99.90, -18.49,  -0.12,  (min)
05/17 11Z,   0.40, -18.42,  99.90, -18.14,  -0.12,
05/17 12Z,   0.40, -15.93,  99.90, -15.65,  -0.12,
05/17 13Z,   0.40, -12.05,  99.90, -11.77,  -0.12,
05/17 14Z,   0.40,  -8.75,  99.90,  -8.46,  -0.12,
05/17 15Z,   0.30,  -7.16,  99.90,  -6.98,  -0.12,
05/17 16Z,   0.30,  -7.12,  99.90,  -6.94,  -0.12,  (max)
05/17 17Z,   0.30,  -8.38,  99.90,  -8.19,  -0.12,
05/17 18Z,   0.20, -10.97,  99.90, -10.89,  -0.12,