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 : 05/16/2025 09:22:19 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/14 18Z,  -0.40, -13.94, -13.41,  99.90,   0.93,
05/14 19Z,  -0.40, -18.02, -17.58,  99.90,   0.84,
05/14 20Z,  -0.50, -21.03, -20.87,  99.90,   0.66,
05/14 21Z,  -0.50, -22.12, -22.36,  99.90,   0.26,  (min)
05/14 22Z,  -0.50, -20.21, -20.24,  99.90,   0.47,
05/14 23Z,  -0.60, -15.70, -15.33,  99.90,   0.97,
05/15 00Z,  -0.50, -10.49, -10.57,  99.90,   0.42,
05/15 01Z,  -0.60,  -6.08,  -6.32,  99.90,   0.36,
05/15 02Z,  -0.60,  -2.95,  -3.00,  99.90,   0.55,
05/15 03Z,  -0.60,  -1.52,  -1.44,  99.90,   0.68,  (max)
05/15 04Z,  -0.60,  -2.17,  -2.06,  99.90,   0.71,
05/15 05Z,  -0.60,  -4.67,  -4.73,  99.90,   0.54,
05/15 06Z,  -0.60,  -8.14,  -8.34,  99.90,   0.40,
05/15 07Z,  -0.60, -11.46, -11.65,  99.90,   0.41,
05/15 08Z,  -0.60, -13.90, -14.35,  99.90,   0.15,
05/15 09Z,  -0.60, -14.87, -15.45,  99.90,   0.02,  (min)
05/15 10Z,  -0.60, -13.46, -13.33,  99.90,   0.73,
05/15 11Z,  -0.50,  -9.63,  -9.24,  99.90,   0.89,
05/15 12Z,  -0.40,  -5.16,  -5.66,  99.90,  -0.10,
05/15 13Z,  -0.40,  -1.97,  -2.76,  99.90,  -0.39,
05/15 14Z,  -0.50,  -0.59,  -0.92,  99.90,   0.17,
05/15 15Z,  -0.50,  -0.95,  -0.90,  99.90,   0.55,  (max)
05/15 16Z,  -0.50,  -3.06,  -3.11,  99.90,   0.45,
05/15 17Z,  -0.50,  -6.72,  -6.83,  99.90,   0.39,
05/15 18Z,  -0.50, -11.27, -10.88,  99.90,   0.89,
05/15 19Z,  -0.50, -15.70, -14.87,  99.90,   1.33,
05/15 20Z,  -0.50, -19.24, -18.67,  99.90,   1.07,
05/15 21Z,  -0.50, -21.42, -21.26,  99.90,   0.66,
05/15 22Z,  -0.50, -21.44, -21.38,  99.90,   0.56,  (min)
05/15 23Z,  -0.50, -18.57, -17.76,  99.90,   1.31,
05/16 00Z,  -0.40, -13.70, -12.94,  99.90,   1.16,
05/16 01Z,  -0.30,  -8.85,  -8.55,  99.90,   0.60,
05/16 02Z,  -0.20,  -5.12,  -4.85,  99.90,   0.47,
05/16 03Z,  -0.20,  -2.72,  -2.40,  99.90,   0.52,
05/16 04Z,  -0.20,  -1.94,  -1.74,  99.90,   0.40,  (max)
05/16 05Z,  -0.10,  -3.06,  -3.10,  99.90,   0.06,
05/16 06Z,  -0.10,  -5.79,  -6.10,  99.90,  -0.21,
05/16 07Z,  -0.10,  -9.20,  -9.46,  99.90,  -0.16,
05/16 08Z,  -0.10, -12.15, -12.22,  99.90,   0.03,
05/16 09Z,   0.00, -14.01, -14.17,  99.90,  -0.16,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/16 10Z,   0.00, -14.21,  99.90, -14.36,  -0.15,  (min)
05/16 11Z,   0.00, -12.07,  99.90, -12.20,  -0.13,
05/16 12Z,   0.00,  -8.02,  99.90,  -8.13,  -0.11,
05/16 13Z,   0.00,  -4.03,  99.90,  -4.12,  -0.09,
05/16 14Z,   0.10,  -1.68,  99.90,  -1.66,  -0.07,
05/16 15Z,   0.10,  -1.12,  99.90,  -1.08,  -0.05,  (max)
05/16 16Z,   0.20,  -2.10,  99.90,  -1.93,  -0.03,
05/16 17Z,   0.20,  -4.59,  99.90,  -4.41,  -0.02,
05/16 18Z,   0.20,  -8.40,  99.90,  -8.20,   0.00,
05/16 19Z,   0.20, -12.82,  99.90, -12.59,   0.02,
05/16 20Z,   0.20, -16.82,  99.90, -16.58,   0.04,
05/16 21Z,   0.20, -19.71,  99.90, -19.45,   0.06,
05/16 22Z,   0.20, -21.10,  99.90, -20.84,   0.06,  (min)
05/16 23Z,   0.10, -20.28,  99.90, -20.12,   0.06,
05/17 00Z,   0.10, -16.86,  99.90, -16.70,   0.06,
05/17 01Z,   0.20, -12.09,  99.90, -11.84,   0.06,
05/17 02Z,   0.20,  -7.83,  99.90,  -7.57,   0.06,
05/17 03Z,   0.20,  -4.78,  99.90,  -4.52,   0.06,
05/17 04Z,   0.30,  -2.93,  99.90,  -2.58,   0.06,
05/17 05Z,   0.30,  -2.58,  99.90,  -2.22,   0.06,  (max)
05/17 06Z,   0.30,  -3.97,  99.90,  -3.61,   0.06,
05/17 07Z,   0.30,  -6.75,  99.90,  -6.40,   0.06,
05/17 08Z,   0.20,  -9.93,  99.90,  -9.67,   0.06,
05/17 09Z,   0.30, -12.44,  99.90, -12.08,   0.06,
05/17 10Z,   0.30, -13.74,  99.90, -13.38,   0.06,  (min)
05/17 11Z,   0.30, -13.39,  99.90, -13.03,   0.06,
05/17 12Z,   0.30, -10.90,  99.90, -10.54,   0.06,
05/17 13Z,   0.30,  -7.02,  99.90,  -6.67,   0.06,
05/17 14Z,   0.30,  -3.72,  99.90,  -3.36,   0.06,
05/17 15Z,   0.30,  -2.13,  99.90,  -1.78,   0.06,
05/17 16Z,   0.30,  -2.09,  99.90,  -1.74,   0.06,  (max)
05/17 17Z,   0.20,  -3.35,  99.90,  -3.09,   0.06,
05/17 18Z,   0.10,  -5.94,  99.90,  -5.78,   0.06,
05/17 19Z,   0.10,  -9.67,  99.90,  -9.51,   0.06,
05/17 20Z,   0.10, -13.77,  99.90, -13.61,   0.06,
05/17 21Z,   0.10, -17.24,  99.90, -17.08,   0.06,
05/17 22Z,   0.10, -19.51,  99.90, -19.35,   0.06,
05/17 23Z,   0.10, -20.30,  99.90, -20.14,   0.06,  (min)
05/18 00Z,   0.00, -18.97,  99.90, -18.91,   0.06,
05/18 01Z,   0.00, -15.41,  99.90, -15.36,   0.06,
05/18 02Z,   0.00, -11.03,  99.90, -10.97,   0.06,
05/18 03Z,   0.00,  -7.38,  99.90,  -7.33,   0.06,
05/18 04Z,   0.00,  -4.84,  99.90,  -4.78,   0.06,
05/18 05Z,   0.00,  -3.32,  99.90,  -3.27,   0.06,
05/18 06Z,   0.00,  -3.19,  99.90,  -3.14,   0.06,  (max)
05/18 07Z,   0.00,  -4.70,  99.90,  -4.64,   0.06,
05/18 08Z,   0.00,  -7.42,  99.90,  -7.36,   0.06,
05/18 09Z,   0.00, -10.29,  99.90, -10.23,   0.06,
05/18 10Z,   0.00, -12.38,  99.90, -12.32,   0.06,
05/18 11Z,   0.00, -13.33,  99.90, -13.27,   0.06,  (min)
05/18 12Z,   0.00, -12.75,  99.90, -12.69,   0.06,
05/18 13Z,   0.00, -10.28,  99.90, -10.22,   0.06,
05/18 14Z,  -0.10,  -6.82,  99.90,  -6.87,   0.06,
05/18 15Z,  -0.10,  -4.17,  99.90,  -4.22,   0.06,
05/18 16Z,  -0.10,  -3.07,  99.90,  -3.12,   0.06,  (max)
05/18 17Z,  -0.20,  -3.19,  99.90,  -3.34,   0.06,
05/18 18Z,  -0.20,  -4.41,  99.90,  -4.56,   0.06,
05/18 19Z,  -0.20,  -6.88,  99.90,  -7.03,   0.06,
05/18 20Z,  -0.30, -10.37,  99.90, -10.61,   0.06,
05/18 21Z,  -0.30, -14.07,  99.90, -14.31,   0.06,
05/18 22Z,  -0.30, -17.04,  99.90, -17.28,   0.06,
05/18 23Z,  -0.30, -18.86,  99.90, -19.10,   0.06,
05/19 00Z,  -0.20, -19.32,  99.90, -19.46,   0.06,  (min)
05/19 01Z,  -0.20, -17.82,  99.90, -17.96,   0.06,
05/19 02Z,  -0.20, -14.39,  99.90, -14.54,   0.06,
05/19 03Z,  -0.20, -10.46,  99.90, -10.60,   0.06,
05/19 04Z,  -0.20,  -7.28,  99.90,  -7.42,   0.06,
05/19 05Z,  -0.20,  -4.99,  99.90,  -5.13,   0.06,
05/19 06Z,  -0.10,  -3.59,  99.90,  -3.64,   0.06,
05/19 07Z,  -0.10,  -3.56,  99.90,  -3.60,   0.06,  (max)
05/19 08Z,   0.00,  -5.11,  99.90,  -5.05,   0.06,
05/19 09Z,   0.00,  -7.72,  99.90,  -7.66,   0.06,
05/19 10Z,   0.00, -10.34,  99.90, -10.29,   0.06,
05/19 11Z,   0.10, -12.22,  99.90, -12.06,   0.06,
05/19 12Z,   0.10, -13.13,  99.90, -12.97,   0.06,  (min)
05/19 13Z,   0.20, -12.64,  99.90, -12.39,   0.06,
05/19 14Z,   0.20, -10.42,  99.90, -10.17,   0.06,
05/19 15Z,   0.20,  -7.42,  99.90,  -7.17,   0.06,
05/19 16Z,   0.20,  -5.20,  99.90,  -4.94,   0.06,
05/19 17Z,   0.10,  -4.20,  99.90,  -4.04,   0.06,
05/19 18Z,   0.10,  -4.13,  99.90,  -3.97,   0.06,  (max)
05/19 19Z,   0.10,  -5.08,  99.90,  -4.92,   0.06,
05/19 20Z,   0.10,  -7.28,  99.90,  -7.12,   0.06,
05/19 21Z,   0.10, -10.46,  99.90, -10.30,   0.06,
05/19 22Z,   0.10, -13.78,  99.90, -13.62,   0.06,
05/19 23Z,   0.10, -16.39,  99.90, -16.24,   0.06,
05/20 00Z,   0.20, -18.03,  99.90, -17.78,   0.06,
05/20 01Z,  99.90, -18.46,  99.90,  99.90,   0.06,
05/20 02Z,  99.90, -17.00,  99.90,  99.90,   0.06,
05/20 03Z,  99.90, -13.77,  99.90,  99.90,   0.06,
05/20 04Z,  99.90, -10.16,  99.90,  99.90,   0.06,
05/20 05Z,  99.90,  -7.19,  99.90,  99.90,   0.06,
05/20 06Z,  99.90,  -4.90,  99.90,  99.90,   0.06,