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 : 02/06/2026 19:21:55 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/05 00Z,   0.40,  -3.50,  -2.70,  99.90,   0.40,  (max)
02/05 01Z,   0.50,  -6.19,  -5.42,  99.90,   0.27,
02/05 02Z,   0.60, -10.38,  -9.58,  99.90,   0.20,
02/05 03Z,   0.60, -15.02, -14.57,  99.90,  -0.15,
02/05 04Z,   0.50, -18.91, -18.47,  99.90,  -0.06,
02/05 05Z,   0.40, -21.03, -20.89,  99.90,  -0.26,  (min)
02/05 06Z,   0.00, -20.89, -20.80,  99.90,   0.09,
02/05 07Z,   0.00, -18.58, -18.42,  99.90,   0.16,
02/05 08Z,   0.00, -14.74, -14.56,  99.90,   0.18,
02/05 09Z,   0.00, -10.31,  -9.98,  99.90,   0.33,
02/05 10Z,   0.10,  -6.32,  -6.08,  99.90,   0.14,
02/05 11Z,   0.10,  -3.71,  -3.47,  99.90,   0.14,
02/05 12Z,  -0.20,  -3.08,  -2.87,  99.90,   0.41,  (max)
02/05 13Z,  -0.20,  -4.56,  -4.28,  99.90,   0.48,
02/05 14Z,  -0.20,  -7.76,  -7.46,  99.90,   0.50,
02/05 15Z,  -0.10, -11.78, -11.50,  99.90,   0.38,
02/05 16Z,  -0.10, -15.54, -15.26,  99.90,   0.38,
02/05 17Z,  -0.10, -18.02, -17.84,  99.90,   0.28,
02/05 18Z,  -0.50, -18.63, -18.31,  99.90,   0.82,  (min)
02/05 19Z,  -0.40, -17.29, -16.88,  99.90,   0.81,
02/05 20Z,  -0.30, -14.42, -13.91,  99.90,   0.81,
02/05 21Z,  -0.10, -10.80, -10.22,  99.90,   0.68,
02/05 22Z,   0.00,  -7.32,  -6.82,  99.90,   0.50,
02/05 23Z,   0.00,  -4.87,  -4.43,  99.90,   0.44,
02/06 00Z,  -0.30,  -4.10,  -3.66,  99.90,   0.74,  (max)
02/06 01Z,  -0.20,  -5.29,  -4.84,  99.90,   0.65,
02/06 02Z,  -0.10,  -8.20,  -7.67,  99.90,   0.63,
02/06 03Z,   0.00, -12.12, -11.57,  99.90,   0.55,
02/06 04Z,   0.00, -16.01, -15.46,  99.90,   0.55,
02/06 05Z,   0.00, -18.84, -18.40,  99.90,   0.44,
02/06 06Z,  -0.20, -19.86, -19.51,  99.90,   0.55,  (min)
02/06 07Z,  -0.20, -18.84, -18.59,  99.90,   0.45,
02/06 08Z,  -0.20, -16.08, -15.74,  99.90,   0.54,
02/06 09Z,  -0.10, -12.27, -11.85,  99.90,   0.52,
02/06 10Z,   0.00,  -8.34,  -7.81,  99.90,   0.53,
02/06 11Z,   0.00,  -5.20,  -4.57,  99.90,   0.63,
02/06 12Z,   0.00,  -3.60,  -2.87,  99.90,   0.73,  (max)
02/06 13Z,   0.10,  -3.90,  -3.15,  99.90,   0.65,
02/06 14Z,   0.10,  -6.03,  -5.32,  99.90,   0.61,
02/06 15Z,   0.20,  -9.41,  -8.75,  99.90,   0.46,
02/06 16Z,   0.30, -13.14, -12.52,  99.90,   0.32,
02/06 17Z,   0.40, -16.26, -15.55,  99.90,   0.31,
02/06 18Z,   0.50, -17.99, -17.17,  99.90,   0.32,  (min)
02/06 19Z,   0.50, -17.97, -17.14,  99.90,   0.33,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/06 20Z,   0.40, -16.32,  99.90, -15.60,   0.32,
02/06 21Z,   0.40, -13.52,  99.90, -12.82,   0.30,
02/06 22Z,   0.40, -10.31,  99.90,  -9.63,   0.28,
02/06 23Z,   0.40,  -7.51,  99.90,  -6.85,   0.26,
02/07 00Z,   0.40,  -5.82,  99.90,  -5.18,   0.24,
02/07 01Z,   0.50,  -5.71,  99.90,  -4.98,   0.23,  (max)
02/07 02Z,   0.60,  -7.23,  99.90,  -6.42,   0.21,
02/07 03Z,   0.60, -10.02,  99.90,  -9.22,   0.19,
02/07 04Z,   0.50, -13.32,  99.90, -12.64,   0.17,
02/07 05Z,   0.50, -16.23,  99.90, -15.58,   0.16,
02/07 06Z,   0.50, -17.97,  99.90, -17.33,   0.14,
02/07 07Z,   0.50, -18.05,  99.90, -17.43,   0.12,  (min)
02/07 08Z,   0.60, -16.47,  99.90, -15.74,   0.12,
02/07 09Z,   0.60, -13.61,  99.90, -12.89,   0.12,
02/07 10Z,   0.70, -10.18,  99.90,  -9.36,   0.12,
02/07 11Z,   0.80,  -7.01,  99.90,  -6.09,   0.12,
02/07 12Z,   0.80,  -4.83,  99.90,  -3.91,   0.12,
02/07 13Z,   0.90,  -4.17,  99.90,  -3.15,   0.12,  (max)
02/07 14Z,   0.90,  -5.18,  99.90,  -4.16,   0.12,
02/07 15Z,   0.90,  -7.60,  99.90,  -6.58,   0.12,
02/07 16Z,   0.90, -10.81,  99.90,  -9.79,   0.12,
02/07 17Z,   0.90, -13.99,  99.90, -12.97,   0.12,
02/07 18Z,   0.80, -16.39,  99.90, -15.47,   0.12,
02/07 19Z,   0.80, -17.46,  99.90, -16.54,   0.12,  (min)
02/07 20Z,   0.80, -17.06,  99.90, -16.13,   0.12,
02/07 21Z,   0.80, -15.36,  99.90, -14.44,   0.12,
02/07 22Z,   0.90, -12.89,  99.90, -11.86,   0.12,
02/07 23Z,   1.00, -10.27,  99.90,  -9.15,   0.12,
02/08 00Z,   1.00,  -8.18,  99.90,  -7.06,   0.12,
02/08 01Z,   1.10,  -7.15,  99.90,  -5.93,   0.12,  (max)
02/08 02Z,   1.00,  -7.43,  99.90,  -6.31,   0.12,
02/08 03Z,   0.90,  -8.95,  99.90,  -7.93,   0.12,
02/08 04Z,   0.70, -11.28,  99.90, -10.46,   0.12,
02/08 05Z,   0.60, -13.76,  99.90, -13.04,   0.12,
02/08 06Z,   0.50, -15.69,  99.90, -15.07,   0.12,
02/08 07Z,   0.40, -16.51,  99.90, -15.99,   0.12,  (min)
02/08 08Z,   0.30, -15.97,  99.90, -15.55,   0.12,
02/08 09Z,   0.30, -14.19,  99.90, -13.77,   0.12,
02/08 10Z,   0.20, -11.58,  99.90, -11.26,   0.12,
02/08 11Z,   0.30,  -8.78,  99.90,  -8.36,   0.12,
02/08 12Z,   0.30,  -6.45,  99.90,  -6.03,   0.12,
02/08 13Z,   0.30,  -5.14,  99.90,  -4.72,   0.12,  (max)
02/08 14Z,   0.30,  -5.18,  99.90,  -4.76,   0.12,
02/08 15Z,   0.30,  -6.54,  99.90,  -6.12,   0.12,
02/08 16Z,   0.20,  -8.90,  99.90,  -8.58,   0.12,
02/08 17Z,   0.10, -11.69,  99.90, -11.47,   0.12,
02/08 18Z,   0.00, -14.26,  99.90, -14.14,   0.12,
02/08 19Z,   0.00, -16.03,  99.90, -15.91,   0.12,
02/08 20Z,   0.00, -16.69,  99.90, -16.57,   0.12,  (min)
02/08 21Z,   0.00, -16.17,  99.90, -16.05,   0.12,
02/08 22Z,   0.00, -14.70,  99.90, -14.58,   0.12,
02/08 23Z,   0.00, -12.70,  99.90, -12.58,   0.12,
02/09 00Z,   0.00, -10.71,  99.90, -10.59,   0.12,
02/09 01Z,   0.10,  -9.21,  99.90,  -8.99,   0.12,
02/09 02Z,   0.10,  -8.57,  99.90,  -8.35,   0.12,  (max)
02/09 03Z,   0.10,  -8.92,  99.90,  -8.70,   0.12,
02/09 04Z,   0.00, -10.12,  99.90, -10.00,   0.12,
02/09 05Z,   0.00, -11.81,  99.90, -11.69,   0.12,
02/09 06Z,   0.00, -13.46,  99.90, -13.34,   0.12,
02/09 07Z,  -0.10, -14.59,  99.90, -14.57,   0.12,
02/09 08Z,  -0.10, -14.83,  99.90, -14.80,   0.12,  (min)
02/09 09Z,   0.00, -14.05,  99.90, -13.93,   0.12,
02/09 10Z,   0.00, -12.41,  99.90, -12.29,   0.12,
02/09 11Z,   0.00, -10.28,  99.90, -10.16,   0.12,
02/09 12Z,   0.10,  -8.17,  99.90,  -7.95,   0.12,
02/09 13Z,   0.20,  -6.57,  99.90,  -6.24,   0.12,
02/09 14Z,   0.30,  -5.87,  99.90,  -5.45,   0.12,  (max)
02/09 15Z,   0.30,  -6.24,  99.90,  -5.82,   0.12,
02/09 16Z,   0.30,  -7.62,  99.90,  -7.20,   0.12,
02/09 17Z,   0.20,  -9.68,  99.90,  -9.36,   0.12,
02/09 18Z,   0.10, -11.98,  99.90, -11.75,   0.12,
02/09 19Z,   0.10, -14.03,  99.90, -13.81,   0.12,
02/09 20Z,   0.00, -15.44,  99.90, -15.32,   0.12,
02/09 21Z,   0.00, -15.97,  99.90, -15.85,   0.12,  (min)
02/09 22Z,   0.00, -15.61,  99.90, -15.49,   0.12,
02/09 23Z,   0.00, -14.52,  99.90, -14.40,   0.12,
02/10 00Z,   0.10, -13.02,  99.90, -12.80,   0.12,
02/10 01Z,   0.20, -11.50,  99.90, -11.18,   0.12,
02/10 02Z,   0.30, -10.33,  99.90,  -9.91,   0.12,
02/10 03Z,   0.30,  -9.75,  99.90,  -9.33,   0.12,  (max)
02/10 04Z,   0.30,  -9.87,  99.90,  -9.45,   0.12,
02/10 05Z,   0.40, -10.58,  99.90, -10.06,   0.12,
02/10 06Z,   0.30, -11.62,  99.90, -11.20,   0.12,
02/10 07Z,   0.20, -12.64,  99.90, -12.32,   0.12,
02/10 08Z,   0.10, -13.30,  99.90, -13.08,   0.12,
02/10 09Z,   0.00, -13.34,  99.90, -13.22,   0.12,  (min)
02/10 10Z,   0.00, -12.67,  99.90, -12.54,   0.12,
02/10 11Z,   0.00, -11.39,  99.90, -11.27,   0.12,
02/10 12Z,   0.00,  -9.79,  99.90,  -9.67,   0.12,