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
#Ketchikan, AK : 07/08/2025 07:22:24 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/06 12Z,  -0.40, -13.31, -13.42,  99.90,   0.29,
07/06 13Z,  -0.40, -13.49, -13.55,  99.90,   0.34,  (min)
07/06 14Z,  -0.40, -12.61, -12.58,  99.90,   0.43,
07/06 15Z,  -0.40, -10.91, -10.85,  99.90,   0.46,
07/06 16Z,  -0.40,  -8.83,  -8.73,  99.90,   0.50,
07/06 17Z,  -0.30,  -6.86,  -6.78,  99.90,   0.38,
07/06 18Z,  -0.40,  -5.45,  -5.45,  99.90,   0.40,
07/06 19Z,  -0.50,  -4.88,  -4.93,  99.90,   0.45,  (max)
07/06 20Z,  -0.50,  -5.23,  -5.26,  99.90,   0.47,
07/06 21Z,  -0.40,  -6.31,  -6.41,  99.90,   0.30,
07/06 22Z,  -0.40,  -7.75,  -7.76,  99.90,   0.39,
07/06 23Z,  -0.40,  -9.06,  -9.12,  99.90,   0.34,
07/07 00Z,  -0.50,  -9.77,  -9.89,  99.90,   0.38,  (min)
07/07 01Z,  -0.50,  -9.58,  -9.75,  99.90,   0.33,
07/07 02Z,  -0.50,  -8.45,  -8.66,  99.90,   0.29,
07/07 03Z,  -0.50,  -6.64,  -6.92,  99.90,   0.22,
07/07 04Z,  -0.50,  -4.58,  -4.77,  99.90,   0.31,
07/07 05Z,  -0.50,  -2.81,  -2.95,  99.90,   0.36,
07/07 06Z,  -0.50,  -1.79,  -1.77,  99.90,   0.52,
07/07 07Z,  -0.50,  -1.85,  -1.72,  99.90,   0.63,  (max)
07/07 08Z,  -0.40,  -3.05,  -2.84,  99.90,   0.61,
07/07 09Z,  -0.40,  -5.23,  -5.09,  99.90,   0.54,
07/07 10Z,  -0.40,  -7.99,  -7.97,  99.90,   0.42,
07/07 11Z,  -0.30, -10.79, -10.85,  99.90,   0.24,
07/07 12Z,  -0.40, -13.04, -13.08,  99.90,   0.36,
07/07 13Z,  -0.40, -14.27, -14.18,  99.90,   0.49,  (min)
07/07 14Z,  -0.40, -14.24, -14.01,  99.90,   0.63,
07/07 15Z,  -0.30, -13.01, -12.68,  99.90,   0.63,
07/07 16Z,  -0.30, -10.91, -10.52,  99.90,   0.69,
07/07 17Z,  -0.30,  -8.47,  -8.09,  99.90,   0.68,
07/07 18Z,  -0.30,  -6.24,  -5.87,  99.90,   0.67,
07/07 19Z,  -0.30,  -4.72,  -4.29,  99.90,   0.73,
07/07 20Z,  -0.30,  -4.20,  -3.77,  99.90,   0.73,  (max)
07/07 21Z,  -0.30,  -4.72,  -4.29,  99.90,   0.73,
07/07 22Z,  -0.20,  -6.06,  -5.63,  99.90,   0.63,
07/07 23Z,  -0.20,  -7.75,  -7.34,  99.90,   0.61,
07/08 00Z,  -0.20,  -9.22,  -8.85,  99.90,   0.57,
07/08 01Z,  -0.20,  -9.94,  -9.57,  99.90,   0.57,  (min)
07/08 02Z,  -0.10,  -9.61,  -9.18,  99.90,   0.53,
07/08 03Z,  -0.10,  -8.24,  -7.78,  99.90,   0.56,
07/08 04Z,  -0.10,  -6.17,  -5.67,  99.90,   0.60,
07/08 05Z,   0.00,  -3.92,  -3.32,  99.90,   0.60,
07/08 06Z,   0.00,  -2.09,  -1.43,  99.90,   0.66,
07/08 07Z,   0.00,  -1.18,  -0.50,  99.90,   0.68,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/08 08Z,   0.00,  -1.49,  99.90,  -0.85,   0.64,
07/08 09Z,   0.00,  -3.09,  99.90,  -2.48,   0.61,
07/08 10Z,   0.00,  -5.73,  99.90,  -5.15,   0.58,
07/08 11Z,   0.10,  -8.91,  99.90,  -8.26,   0.55,
07/08 12Z,   0.10, -11.98,  99.90, -11.35,   0.52,
07/08 13Z,   0.10, -14.25,  99.90, -13.67,   0.49,
07/08 14Z,   0.10, -15.26,  99.90, -14.70,   0.46,  (min)
07/08 15Z,   0.10, -14.80,  99.90, -14.28,   0.43,
07/08 16Z,   0.10, -13.06,  99.90, -12.56,   0.40,
07/08 17Z,   0.10, -10.48,  99.90, -10.01,   0.36,
07/08 18Z,   0.00,  -7.68,  99.90,  -7.35,   0.33,
07/08 19Z,   0.00,  -5.30,  99.90,  -4.99,   0.30,
07/08 20Z,   0.00,  -3.82,  99.90,  -3.52,   0.30,
07/08 21Z,   0.00,  -3.55,  99.90,  -3.25,   0.30,  (max)
07/08 22Z,   0.10,  -4.45,  99.90,  -4.05,   0.30,
07/08 23Z,   0.10,  -6.20,  99.90,  -5.80,   0.30,
07/09 00Z,   0.10,  -8.20,  99.90,  -7.80,   0.30,
07/09 01Z,   0.10,  -9.78,  99.90,  -9.37,   0.30,
07/09 02Z,   0.10, -10.37,  99.90,  -9.96,   0.30,  (min)
07/09 03Z,   0.10,  -9.71,  99.90,  -9.31,   0.30,
07/09 04Z,   0.10,  -7.95,  99.90,  -7.55,   0.30,
07/09 05Z,   0.00,  -5.52,  99.90,  -5.22,   0.30,
07/09 06Z,   0.00,  -3.07,  99.90,  -2.76,   0.30,
07/09 07Z,   0.00,  -1.23,  99.90,  -0.93,   0.30,
07/09 08Z,   0.00,  -0.54,  99.90,  -0.24,   0.30,  (max)
07/09 09Z,   0.00,  -1.27,  99.90,  -0.97,   0.30,
07/09 10Z,   0.00,  -3.41,  99.90,  -3.10,   0.30,
07/09 11Z,   0.00,  -6.59,  99.90,  -6.29,   0.30,
07/09 12Z,   0.00, -10.19,  99.90,  -9.89,   0.30,
07/09 13Z,   0.00, -13.40,  99.90, -13.10,   0.30,
07/09 14Z,   0.00, -15.52,  99.90, -15.22,   0.30,
07/09 15Z,   0.00, -16.08,  99.90, -15.78,   0.30,  (min)
07/09 16Z,  -0.10, -15.02,  99.90, -14.82,   0.30,
07/09 17Z,  -0.10, -12.67,  99.90, -12.47,   0.30,
07/09 18Z,  -0.10,  -9.62,  99.90,  -9.42,   0.30,
07/09 19Z,  -0.20,  -6.57,  99.90,  -6.47,   0.30,
07/09 20Z,  -0.20,  -4.18,  99.90,  -4.08,   0.30,
07/09 21Z,  -0.20,  -2.96,  99.90,  -2.85,   0.30,  (max)
07/09 22Z,  -0.20,  -3.13,  99.90,  -3.02,   0.30,
07/09 23Z,  -0.20,  -4.56,  99.90,  -4.46,   0.30,
07/10 00Z,  -0.10,  -6.78,  99.90,  -6.57,   0.30,
07/10 01Z,  -0.10,  -9.03,  99.90,  -8.83,   0.30,
07/10 02Z,  -0.10, -10.56,  99.90, -10.35,   0.30,
07/10 03Z,  -0.10, -10.82,  99.90, -10.62,   0.30,  (min)
07/10 04Z,  -0.10,  -9.69,  99.90,  -9.49,   0.30,
07/10 05Z,  -0.20,  -7.44,  99.90,  -7.34,   0.30,
07/10 06Z,  -0.20,  -4.65,  99.90,  -4.55,   0.30,
07/10 07Z,  -0.30,  -2.07,  99.90,  -2.07,   0.30,
07/10 08Z,  -0.30,  -0.36,  99.90,  -0.36,   0.30,
07/10 09Z,  -0.40,  -0.04,  99.90,  -0.14,   0.30,  (max)
07/10 10Z,  -0.40,  -1.34,  99.90,  -1.44,   0.30,
07/10 11Z,  -0.30,  -4.12,  99.90,  -4.12,   0.30,
07/10 12Z,  -0.30,  -7.86,  99.90,  -7.86,   0.30,
07/10 13Z,  -0.20, -11.76,  99.90, -11.66,   0.30,
07/10 14Z,  -0.20, -14.93,  99.90, -14.82,   0.30,
07/10 15Z,  -0.20, -16.63,  99.90, -16.53,   0.30,  (min)
07/10 16Z,  -0.20, -16.55,  99.90, -16.45,   0.30,
07/10 17Z,  -0.20, -14.79,  99.90, -14.68,   0.30,
07/10 18Z,  -0.30, -11.83,  99.90, -11.83,   0.30,
07/10 19Z,  -0.30,  -8.40,  99.90,  -8.40,   0.30,
07/10 20Z,  -0.30,  -5.25,  99.90,  -5.25,   0.30,
07/10 21Z,  -0.30,  -3.06,  99.90,  -3.06,   0.30,
07/10 22Z,  -0.30,  -2.29,  99.90,  -2.29,   0.30,  (max)
07/10 23Z,  -0.20,  -3.07,  99.90,  -2.97,   0.30,
07/11 00Z,  -0.10,  -5.11,  99.90,  -4.91,   0.30,
07/11 01Z,  -0.10,  -7.74,  99.90,  -7.53,   0.30,
07/11 02Z,   0.00, -10.08,  99.90,  -9.78,   0.30,
07/11 03Z,   0.00, -11.36,  99.90, -11.06,   0.30,  (min)
07/11 04Z,   0.00, -11.13,  99.90, -10.83,   0.30,
07/11 05Z,   0.00,  -9.42,  99.90,  -9.12,   0.30,
07/11 06Z,   0.00,  -6.68,  99.90,  -6.38,   0.30,
07/11 07Z,  -0.10,  -3.64,  99.90,  -3.43,   0.30,
07/11 08Z,  -0.20,  -1.06,  99.90,  -0.96,   0.30,
07/11 09Z,  -0.20,   0.35,  99.90,   0.45,   0.30,  (max)
07/11 10Z,  -0.10,   0.13,  99.90,   0.33,   0.30,
07/11 11Z,  -0.10,  -1.85,  99.90,  -1.65,   0.30,
07/11 12Z,  -0.10,  -5.29,  99.90,  -5.09,   0.30,
07/11 13Z,  -0.10,  -9.48,  99.90,  -9.28,   0.30,
07/11 14Z,  -0.20, -13.47,  99.90, -13.36,   0.30,
07/11 15Z,  -0.20, -16.31,  99.90, -16.20,   0.30,
07/11 16Z,  -0.30, -17.37,  99.90, -17.37,   0.30,  (min)
07/11 17Z,  -0.30, -16.51,  99.90, -16.51,   0.30,
07/11 18Z,  -0.40, -14.03,  99.90, -14.13,   0.30,
07/11 19Z,  -0.50, -10.57,  99.90, -10.76,   0.30,
07/11 20Z,  -0.50,  -6.92,  99.90,  -7.12,   0.30,
07/11 21Z,  -0.50,  -3.88,  99.90,  -4.08,   0.30,
07/11 22Z,  -0.50,  -2.11,  99.90,  -2.30,   0.30,
07/11 23Z,  -0.40,  -1.97,  99.90,  -2.07,   0.30,  (max)
07/12 00Z,  -0.30,  -3.45,  99.90,  -3.44,   0.30,