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 : 03/12/2026 00:23:26 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/10 06Z,  -0.60,  -4.50,  -4.95,  99.90,   0.15,  (max)
03/10 07Z,  -0.60,  -5.04,  -5.74,  99.90,  -0.10,
03/10 08Z,  -0.70,  -6.98,  -7.51,  99.90,   0.17,
03/10 09Z,  -0.70,  -9.50,  -9.78,  99.90,   0.42,
03/10 10Z,  -0.70, -11.49, -11.97,  99.90,   0.22,
03/10 11Z,  -0.70, -12.49, -13.34,  99.90,  -0.15,
03/10 12Z,  -0.60, -12.50, -13.48,  99.90,  -0.38,  (min)
03/10 13Z,  -0.60, -11.18, -11.96,  99.90,  -0.18,
03/10 14Z,  -0.60,  -8.48,  -9.48,  99.90,  -0.40,
03/10 15Z,  -0.60,  -5.63,  -6.90,  99.90,  -0.67,
03/10 16Z,  -0.60,  -3.88,  -4.61,  99.90,  -0.13,
03/10 17Z,  -0.70,  -3.23,  -3.32,  99.90,   0.61,  (max)
03/10 18Z,  -0.60,  -3.42,  -3.41,  99.90,   0.61,
03/10 19Z,  -0.70,  -4.63,  -4.88,  99.90,   0.45,
03/10 20Z,  -0.70,  -6.98,  -7.22,  99.90,   0.46,
03/10 21Z,  -0.70,  -9.95, -10.60,  99.90,   0.05,
03/10 22Z,  -0.70, -12.65, -13.15,  99.90,   0.20,
03/10 23Z,  -0.70, -14.55, -15.85,  99.90,  -0.60,
03/11 00Z,  -0.60, -15.76, -17.75,  99.90,  -1.39,
03/11 01Z,  -0.60, -16.12, -17.88,  99.90,  -1.16,  (min)
03/11 02Z,  -0.70, -15.00, -16.57,  99.90,  -0.87,
03/11 03Z,  -0.70, -12.73, -14.09,  99.90,  -0.66,
03/11 04Z,  -0.70, -10.45, -11.26,  99.90,  -0.11,
03/11 05Z,  -0.70,  -8.56,  -8.86,  99.90,   0.40,
03/11 06Z,  -0.70,  -6.90,  -7.03,  99.90,   0.57,
03/11 07Z,  -0.70,  -5.82,  -6.13,  99.90,   0.39,  (max)
03/11 08Z,  -0.80,  -5.93,  -6.34,  99.90,   0.39,
03/11 09Z,  -0.80,  -7.20,  -7.59,  99.90,   0.41,
03/11 10Z,  -0.80,  -8.85,  -9.21,  99.90,   0.44,
03/11 11Z,  -0.80, -10.04, -10.52,  99.90,   0.32,
03/11 12Z,  -0.80, -10.60, -11.42,  99.90,  -0.02,
03/11 13Z,  -0.80, -10.65, -11.45,  99.90,   0.00,  (min)
03/11 14Z,  -0.80,  -9.77, -10.43,  99.90,   0.14,
03/11 15Z,  -0.80,  -7.89,  -9.13,  99.90,  -0.44,
03/11 16Z,  -0.80,  -6.10,  -7.71,  99.90,  -0.81,
03/11 17Z,  -0.90,  -5.20,  -6.23,  99.90,  -0.13,
03/11 18Z,  -0.80,  -4.90,  -5.11,  99.90,   0.59,
03/11 19Z,  -0.80,  -4.99,  -5.00,  99.90,   0.79,  (max)
03/11 20Z,  -0.80,  -5.83,  -6.06,  99.90,   0.57,
03/11 21Z,  -0.80,  -7.57,  99.90,  99.90,  99.90,
03/11 22Z,  -0.80,  -9.79, -10.29,  99.90,   0.30,
03/11 23Z,  -0.80, -11.77,  99.90,  99.90,  99.90,
03/12 00Z,  -0.80, -13.28, -14.99,  99.90,  -0.91,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/12 01Z,  -0.70, -14.59,  99.90, -16.15,  -0.86,
03/12 02Z,  -0.70, -15.36,  99.90, -16.87,  -0.81,  (min)
03/12 03Z,  -0.60, -14.86,  99.90, -16.22,  -0.76,
03/12 04Z,  -0.60, -13.34,  99.90, -14.65,  -0.71,
03/12 05Z,  -0.60, -11.65,  99.90, -12.91,  -0.66,
03/12 06Z,  -0.60,  -9.90,  99.90, -11.11,  -0.61,
03/12 07Z,  -0.60,  -7.97,  99.90,  -9.13,  -0.56,
03/12 08Z,  -0.70,  -6.42,  99.90,  -7.63,  -0.51,
03/12 09Z,  -0.70,  -5.96,  99.90,  -7.12,  -0.46,  (max)
03/12 10Z,  -0.70,  -6.60,  99.90,  -7.70,  -0.41,
03/12 11Z,  -0.60,  -7.66,  99.90,  -8.62,  -0.36,
03/12 12Z,  -0.60,  -8.52,  99.90,  -9.43,  -0.31,
03/12 13Z,  -0.50,  -9.23,  99.90, -10.03,  -0.31,
03/12 14Z,  -0.40,  -9.79,  99.90, -10.50,  -0.31,  (min)
03/12 15Z,  -0.40,  -9.58,  99.90, -10.29,  -0.31,
03/12 16Z,  -0.40,  -8.47,  99.90,  -9.18,  -0.31,
03/12 17Z,  -0.30,  -7.35,  99.90,  -7.96,  -0.31,
03/12 18Z,  -0.40,  -6.71,  99.90,  -7.42,  -0.31,
03/12 19Z,  -0.40,  -6.19,  99.90,  -6.90,  -0.31,
03/12 20Z,  -0.50,  -5.79,  99.90,  -6.60,  -0.31,  (max)
03/12 21Z,  -0.50,  -6.05,  99.90,  -6.85,  -0.31,
03/12 22Z,  -0.60,  -7.21,  99.90,  -8.12,  -0.31,
03/12 23Z,  -0.60,  -8.94,  99.90,  -9.85,  -0.31,
03/13 00Z,  -0.60, -10.66,  99.90, -11.57,  -0.31,
03/13 01Z,  -0.50, -12.34,  99.90, -13.15,  -0.31,
03/13 02Z,  -0.50, -14.19,  99.90, -15.00,  -0.31,
03/13 03Z,  -0.50, -15.58,  99.90, -16.39,  -0.31,
03/13 04Z,  -0.50, -15.60,  99.90, -16.41,  -0.31,  (min)
03/13 05Z,  -0.60, -14.46,  99.90, -15.37,  -0.31,
03/13 06Z,  -0.60, -12.84,  99.90, -13.75,  -0.31,
03/13 07Z,  -0.60, -10.72,  99.90, -11.63,  -0.31,
03/13 08Z,  -0.60,  -8.19,  99.90,  -9.10,  -0.31,
03/13 09Z,  -0.60,  -6.07,  99.90,  -6.98,  -0.31,
03/13 10Z,  -0.60,  -5.17,  99.90,  -6.08,  -0.31,  (max)
03/13 11Z,  -0.60,  -5.50,  99.90,  -6.41,  -0.31,
03/13 12Z,  -0.60,  -6.44,  99.90,  -7.35,  -0.31,
03/13 13Z,  -0.60,  -7.53,  99.90,  -8.44,  -0.31,
03/13 14Z,  -0.70,  -8.85,  99.90,  -9.86,  -0.31,
03/13 15Z,  -0.70, -10.14,  99.90, -11.15,  -0.31,
03/13 16Z,  -0.80, -10.52,  99.90, -11.63,  -0.31,  (min)
03/13 17Z,  -0.80,  -9.79,  99.90, -10.90,  -0.31,
03/13 18Z,  -0.80,  -8.77,  99.90,  -9.88,  -0.31,
03/13 19Z,  -0.90,  -7.79,  99.90,  -9.00,  -0.31,
03/13 20Z,  -0.90,  -6.62,  99.90,  -7.83,  -0.31,
03/13 21Z,  -0.90,  -5.55,  99.90,  -6.76,  -0.31,
03/13 22Z,  -0.90,  -5.33,  99.90,  -6.54,  -0.31,  (max)
03/13 23Z,  -0.80,  -6.24,  99.90,  -7.35,  -0.31,
03/14 00Z,  -0.80,  -7.94,  99.90,  -9.05,  -0.31,
03/14 01Z,  -0.80,  -9.93,  99.90, -11.04,  -0.31,
03/14 02Z,  -0.70, -12.23,  99.90, -13.24,  -0.31,
03/14 03Z,  -0.70, -14.81,  99.90, -15.82,  -0.31,
03/14 04Z,  -0.70, -16.68,  99.90, -17.69,  -0.31,
03/14 05Z,  -0.80, -16.83,  99.90, -17.94,  -0.31,  (min)
03/14 06Z,  -0.80, -15.53,  99.90, -16.64,  -0.31,
03/14 07Z,  -0.80, -13.41,  99.90, -14.52,  -0.31,
03/14 08Z,  -0.80, -10.55,  99.90, -11.66,  -0.31,
03/14 09Z,  -0.80,  -7.34,  99.90,  -8.45,  -0.31,
03/14 10Z,  -0.80,  -4.85,  99.90,  -5.96,  -0.31,
03/14 11Z,  -0.80,  -3.88,  99.90,  -4.99,  -0.31,  (max)
03/14 12Z,  -0.70,  -4.40,  99.90,  -5.41,  -0.31,
03/14 13Z,  -0.70,  -5.76,  99.90,  -6.77,  -0.31,
03/14 14Z,  -0.70,  -7.53,  99.90,  -8.54,  -0.31,
03/14 15Z,  -0.60,  -9.69,  99.90, -10.60,  -0.31,
03/14 16Z,  -0.70, -11.62,  99.90, -12.63,  -0.31,
03/14 17Z,  -0.70, -12.19,  99.90, -13.20,  -0.31,  (min)
03/14 18Z,  -0.80, -11.29,  99.90, -12.40,  -0.31,
03/14 19Z,  -0.80,  -9.77,  99.90, -10.88,  -0.31,
03/14 20Z,  -0.80,  -7.99,  99.90,  -9.09,  -0.31,
03/14 21Z,  -0.80,  -5.98,  99.90,  -7.09,  -0.31,
03/14 22Z,  -0.80,  -4.39,  99.90,  -5.50,  -0.31,
03/14 23Z,  -0.80,  -4.05,  99.90,  -5.16,  -0.31,  (max)
03/15 00Z,  -0.80,  -5.18,  99.90,  -6.29,  -0.31,
03/15 01Z,  -0.80,  -7.35,  99.90,  -8.46,  -0.31,
03/15 02Z,  -0.80, -10.04,  99.90, -11.15,  -0.31,
03/15 03Z,  -0.80, -13.16,  99.90, -14.27,  -0.31,
03/15 04Z,  -0.90, -16.34,  99.90, -17.55,  -0.31,
03/15 05Z,  -0.90, -18.28,  99.90, -19.49,  -0.31,  (min)
03/15 06Z,  -1.00, -17.98,  99.90, -19.29,  -0.31,
03/15 07Z,  -1.00, -15.94,  99.90, -17.25,  -0.31,
03/15 08Z,  -1.00, -12.91,  99.90, -14.22,  -0.31,
03/15 09Z,  -1.00,  -9.19,  99.90, -10.50,  -0.31,
03/15 10Z,  -1.00,  -5.53,  99.90,  -6.84,  -0.31,
03/15 11Z,  -1.00,  -3.10,  99.90,  -4.41,  -0.31,
03/15 12Z,  -1.00,  -2.61,  99.90,  -3.92,  -0.31,  (max)
03/15 13Z,  -1.00,  -3.83,  99.90,  -5.14,  -0.31,
03/15 14Z,  -1.00,  -6.02,  99.90,  -7.33,  -0.31,
03/15 15Z,  -1.10,  -8.71,  99.90, -10.12,  -0.31,
03/15 16Z,  -1.10, -11.65,  99.90, -13.06,  -0.31,
03/15 17Z,  -1.10, -13.85,  99.90, -15.26,  -0.31,
03/15 18Z,  -1.20, -14.06,  99.90, -15.57,  -0.31,