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 : 12/12/2025 07:22:29 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
12/10 12Z,  -0.10, -20.25, -21.29,  99.90,  -0.94,  (min)
12/10 13Z,  -0.10, -17.28, -17.96,  99.90,  -0.58,
12/10 14Z,  -0.10, -12.75, -13.03,  99.90,  -0.18,
12/10 15Z,  -0.10,  -8.22,  -8.60,  99.90,  -0.28,
12/10 16Z,  -0.10,  -4.30,  -4.67,  99.90,  -0.27,
12/10 17Z,  -0.10,  -1.44,  -1.95,  99.90,  -0.41,
12/10 18Z,  -0.10,  -0.40,  -0.91,  99.90,  -0.41,  (max)
12/10 19Z,  -0.10,  -1.51,  -1.99,  99.90,  -0.38,
12/10 20Z,  -0.10,  -4.31,  -4.88,  99.90,  -0.47,
12/10 21Z,  -0.10,  -7.77,  -8.38,  99.90,  -0.51,
12/10 22Z,  -0.10, -11.08, -11.47,  99.90,  -0.29,
12/10 23Z,  -0.10, -13.76, -14.07,  99.90,  -0.21,
12/11 00Z,   0.00, -14.88, -15.47,  99.90,  -0.59,  (min)
12/11 01Z,   0.00, -13.60, -14.63,  99.90,  -1.03,
12/11 02Z,   0.00, -10.58, -11.62,  99.90,  -1.04,
12/11 03Z,   0.00,  -7.38,  -8.46,  99.90,  -1.08,
12/11 04Z,  -0.10,  -4.75,  -5.72,  99.90,  -0.87,
12/11 05Z,  -0.10,  -2.86,  -3.68,  99.90,  -0.72,
12/11 06Z,  -0.10,  -2.24,  -3.20,  99.90,  -0.86,  (max)
12/11 07Z,  -0.10,  -3.39,  -4.61,  99.90,  -1.12,
12/11 08Z,  -0.10,  -6.17,  -7.64,  99.90,  -1.37,
12/11 09Z,  -0.10,  -9.78, -11.10,  99.90,  -1.22,
12/11 10Z,  -0.10, -13.36, -14.39,  99.90,  -0.93,
12/11 11Z,  -0.20, -16.44, -17.53,  99.90,  -0.89,
12/11 12Z,  -0.20, -18.41, -19.64,  99.90,  -1.03,  (min)
12/11 13Z,  -0.20, -18.18, -19.63,  99.90,  -1.25,
12/11 14Z,  -0.20, -15.52, -16.66,  99.90,  -0.94,
12/11 15Z,  -0.30, -11.71, -12.68,  99.90,  -0.67,
12/11 16Z,  -0.30,  -7.90,  -8.82,  99.90,  -0.62,
12/11 17Z,  -0.30,  -4.43,  -5.22,  99.90,  -0.49,
12/11 18Z,  -0.30,  -1.84,  -2.78,  99.90,  -0.64,
12/11 19Z,  -0.30,  -0.95,  -1.83,  99.90,  -0.58,  (max)
12/11 20Z,  -0.40,  -2.05,  -2.79,  99.90,  -0.34,
12/11 21Z,  -0.40,  -4.63,  -5.44,  99.90,  -0.41,
12/11 22Z,  -0.50,  -7.74,  -8.76,  99.90,  -0.52,
12/11 23Z,  -0.50, -10.77, -11.84,  99.90,  -0.57,
12/12 00Z,  -0.50, -13.40, -14.53,  99.90,  -0.63,
12/12 01Z,  -0.50, -14.71, -16.21,  99.90,  -1.00,  (min)
12/12 02Z,  -0.50, -13.89, -15.95,  99.90,  -1.56,
12/12 03Z,  -0.60, -11.58, -13.62,  99.90,  -1.44,
12/12 04Z,  -0.70,  -9.01, -10.74,  99.90,  -1.03,
12/12 05Z,  -0.70,  -6.60,  -8.20,  99.90,  -0.90,
12/12 06Z,  -0.80,  -4.56,  -6.19,  99.90,  -0.83,
12/12 07Z,  -0.80,  -3.59,  -5.37,  99.90,  -0.98,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
12/12 08Z,  -0.80,  -4.28,  99.90,  -5.98,  -0.90,
12/12 09Z,  -0.90,  -6.47,  99.90,  -8.18,  -0.81,
12/12 10Z,  -0.90,  -9.35,  99.90, -10.98,  -0.73,
12/12 11Z,  -0.80, -12.21,  99.90, -13.66,  -0.65,
12/12 12Z,  -0.90, -14.81,  99.90, -16.27,  -0.56,
12/12 13Z,  -0.90, -16.55,  99.90, -17.93,  -0.48,  (min)
12/12 14Z,  -0.90, -16.35,  99.90, -17.65,  -0.40,
12/12 15Z,  -0.90, -14.10,  99.90, -15.32,  -0.31,
12/12 16Z,  -0.90, -10.94,  99.90, -12.07,  -0.23,
12/12 17Z,  -0.90,  -7.65,  99.90,  -8.70,  -0.15,
12/12 18Z,  -0.90,  -4.48,  99.90,  -5.44,  -0.06,
12/12 19Z,  -0.90,  -2.07,  99.90,  -2.95,   0.02,
12/12 20Z,  -1.00,  -1.29,  99.90,  -2.27,   0.02,  (max)
12/12 21Z,  -0.90,  -2.38,  99.90,  -3.26,   0.02,
12/12 22Z,  -1.00,  -4.76,  99.90,  -5.74,   0.02,
12/12 23Z,  -1.00,  -7.62,  99.90,  -8.60,   0.02,
12/13 00Z,  -1.00, -10.59,  99.90, -11.57,   0.02,
12/13 01Z,  -1.00, -13.40,  99.90, -14.38,   0.02,
12/13 02Z,  -1.10, -15.03,  99.90, -16.11,   0.02,  (min)
12/13 03Z,  -1.20, -14.68,  99.90, -15.86,   0.02,
12/13 04Z,  -1.20, -12.92,  99.90, -14.10,   0.02,
12/13 05Z,  -1.20, -10.68,  99.90, -11.86,   0.02,
12/13 06Z,  -1.20,  -8.18,  99.90,  -9.36,   0.02,
12/13 07Z,  -1.20,  -5.79,  99.90,  -6.97,   0.02,
12/13 08Z,  -1.20,  -4.41,  99.90,  -5.59,   0.02,  (max)
12/13 09Z,  -1.20,  -4.64,  99.90,  -5.82,   0.02,
12/13 10Z,  -1.20,  -6.28,  99.90,  -7.46,   0.02,
12/13 11Z,  -1.20,  -8.55,  99.90,  -9.73,   0.02,
12/13 12Z,  -1.20, -10.93,  99.90, -12.11,   0.02,
12/13 13Z,  -1.20, -13.29,  99.90, -14.47,   0.02,
12/13 14Z,  -1.20, -14.99,  99.90, -16.17,   0.02,
12/13 15Z,  -1.30, -14.90,  99.90, -16.18,   0.02,  (min)
12/13 16Z,  -1.40, -13.01,  99.90, -14.38,   0.02,
12/13 17Z,  -1.50, -10.29,  99.90, -11.77,   0.02,
12/13 18Z,  -1.60,  -7.31,  99.90,  -8.89,   0.02,
12/13 19Z,  -1.70,  -4.29,  99.90,  -5.97,   0.02,
12/13 20Z,  -1.70,  -2.04,  99.90,  -3.71,   0.02,
12/13 21Z,  -1.70,  -1.41,  99.90,  -3.09,   0.02,  (max)
12/13 22Z,  -1.70,  -2.56,  99.90,  -4.24,   0.02,
12/13 23Z,  -1.70,  -4.88,  99.90,  -6.56,   0.02,
12/14 00Z,  -1.70,  -7.69,  99.90,  -9.37,   0.02,
12/14 01Z,  -1.70, -10.82,  99.90, -12.50,   0.02,
12/14 02Z,  -1.70, -13.94,  99.90, -15.62,   0.02,
12/14 03Z,  -1.60, -15.88,  99.90, -17.46,   0.02,  (min)
12/14 04Z,  -1.60, -15.82,  99.90, -17.40,   0.02,
12/14 05Z,  -1.60, -14.30,  99.90, -15.88,   0.02,
12/14 06Z,  -1.60, -12.01,  99.90, -13.59,   0.02,
12/14 07Z,  -1.60,  -9.16,  99.90, -10.74,   0.02,
12/14 08Z,  -1.50,  -6.33,  99.90,  -7.81,   0.02,
12/14 09Z,  -1.50,  -4.57,  99.90,  -6.04,   0.02,
12/14 10Z,  -1.50,  -4.46,  99.90,  -5.94,   0.02,  (max)
12/14 11Z,  -1.50,  -5.74,  99.90,  -7.22,   0.02,
12/14 12Z,  -1.50,  -7.65,  99.90,  -9.13,   0.02,
12/14 13Z,  -1.50,  -9.82,  99.90, -11.30,   0.02,
12/14 14Z,  -1.40, -12.17,  99.90, -13.55,   0.02,
12/14 15Z,  -1.40, -13.89,  99.90, -15.27,   0.02,  (min)
12/14 16Z,  -1.40, -13.85,  99.90, -15.22,   0.02,
12/14 17Z,  -1.40, -12.12,  99.90, -13.49,   0.02,
12/14 18Z,  -1.40,  -9.61,  99.90, -10.98,   0.02,
12/14 19Z,  -1.40,  -6.72,  99.90,  -8.10,   0.02,
12/14 20Z,  -1.40,  -3.80,  99.90,  -5.18,   0.02,
12/14 21Z,  -1.40,  -1.74,  99.90,  -3.12,   0.02,
12/14 22Z,  -1.30,  -1.39,  99.90,  -2.67,   0.02,  (max)
12/14 23Z,  -1.20,  -2.76,  99.90,  -3.93,   0.02,
12/15 00Z,  -1.20,  -5.21,  99.90,  -6.39,   0.02,
12/15 01Z,  -1.10,  -8.20,  99.90,  -9.28,   0.02,
12/15 02Z,  -1.10, -11.64,  99.90, -12.72,   0.02,
12/15 03Z,  -1.10, -15.07,  99.90, -16.15,   0.02,
12/15 04Z,  -1.10, -17.12,  99.90, -18.20,   0.02,
12/15 05Z,  -1.20, -17.03,  99.90, -18.21,   0.02,  (min)
12/15 06Z,  -1.40, -15.36,  99.90, -16.73,   0.02,
12/15 07Z,  -1.60, -12.69,  99.90, -14.27,   0.02,
12/15 08Z,  -1.80,  -9.32,  99.90, -11.10,   0.02,
12/15 09Z,  -2.00,  -6.08,  99.90,  -8.06,   0.02,
12/15 10Z,  -2.00,  -4.10,  99.90,  -6.08,   0.02,
12/15 11Z,  -2.10,  -3.91,  99.90,  -5.99,   0.02,  (max)
12/15 12Z,  -2.20,  -5.09,  99.90,  -7.27,   0.02,
12/15 13Z,  -2.30,  -6.92,  99.90,  -9.20,   0.02,
12/15 14Z,  -2.30,  -9.14,  99.90, -11.42,   0.02,
12/15 15Z,  -2.30, -11.58,  99.90, -13.86,   0.02,
12/15 16Z,  -2.20, -13.27,  99.90, -15.44,   0.02,  (min)
12/15 17Z,  -2.10, -13.08,  99.90, -15.16,   0.02,
12/15 18Z,  -1.90, -11.28,  99.90, -13.16,   0.02,
12/15 19Z,  -1.80,  -8.73,  99.90, -10.51,   0.02,
12/15 20Z,  -1.60,  -5.82,  99.90,  -7.40,   0.02,
12/15 21Z,  -1.40,  -3.01,  99.90,  -4.39,   0.02,
12/15 22Z,  -1.20,  -1.30,  99.90,  -2.48,   0.02,
12/15 23Z,  -1.00,  -1.40,  99.90,  -2.38,   0.02,  (max)
12/16 00Z,  -0.80,  -3.19,  99.90,  -3.97,   0.02,