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 : 10/07/2026 06:23:34 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/05 12Z,   0.20, -13.41, -12.97,  99.90,   0.24,  (min)
10/05 13Z,   0.20, -11.64, -11.12,  99.90,   0.32,
10/05 14Z,   0.30,  -9.22,  -8.78,  99.90,   0.14,
10/05 15Z,   0.30,  -6.68,  -6.32,  99.90,   0.06,
10/05 16Z,   0.30,  -4.56,  -4.35,  99.90,  -0.09,
10/05 17Z,   0.20,  -3.31,  -3.17,  99.90,  -0.06,
10/05 18Z,   0.00,  -3.15,  -3.05,  99.90,   0.10,  (max)
10/05 19Z,   0.00,  -4.06,  -3.93,  99.90,   0.13,
10/05 20Z,   0.00,  -5.73,  -5.63,  99.90,   0.10,
10/05 21Z,   0.10,  -7.66,  -7.59,  99.90,  -0.03,
10/05 22Z,   0.10,  -9.30,  -9.33,  99.90,  -0.13,
10/05 23Z,   0.10, -10.18, -10.26,  99.90,  -0.18,  (min)
10/06 00Z,   0.00, -10.06, -10.08,  99.90,  -0.02,
10/06 01Z,   0.00,  -8.95,  -8.87,  99.90,   0.08,
10/06 02Z,   0.00,  -7.10,  -6.92,  99.90,   0.18,
10/06 03Z,   0.00,  -4.96,  -4.66,  99.90,   0.30,
10/06 04Z,   0.10,  -3.05,  -2.70,  99.90,   0.25,
10/06 05Z,   0.10,  -1.92,  -1.58,  99.90,   0.24,  (max)
10/06 06Z,   0.00,  -1.95,  -1.65,  99.90,   0.30,
10/06 07Z,   0.00,  -3.28,  -3.10,  99.90,   0.18,
10/06 08Z,   0.00,  -5.74,  -5.60,  99.90,   0.14,
10/06 09Z,   0.00,  -8.79,  -8.70,  99.90,   0.09,
10/06 10Z,   0.00, -11.76, -11.67,  99.90,   0.09,
10/06 11Z,   0.10, -13.91, -13.83,  99.90,  -0.02,
10/06 12Z,   0.00, -14.75, -14.61,  99.90,   0.14,  (min)
10/06 13Z,   0.00, -14.09, -13.96,  99.90,   0.13,
10/06 14Z,   0.00, -12.09, -11.99,  99.90,   0.10,
10/06 15Z,   0.00,  -9.23,  -9.11,  99.90,   0.12,
10/06 16Z,   0.00,  -6.15,  -6.09,  99.90,   0.06,
10/06 17Z,   0.00,  -3.56,  -3.55,  99.90,   0.01,
10/06 18Z,  -0.20,  -2.03,  -2.02,  99.90,   0.21,
10/06 19Z,  -0.20,  -1.88,  -1.89,  99.90,   0.19,  (max)
10/06 20Z,  -0.20,  -3.13,  -3.17,  99.90,   0.16,
10/06 21Z,  -0.20,  -5.40,  -5.45,  99.90,   0.15,
10/06 22Z,  -0.10,  -8.08,  -8.21,  99.90,  -0.03,
10/06 23Z,  -0.10, -10.42, -10.63,  99.90,  -0.11,
10/07 00Z,  -0.20, -11.80, -12.03,  99.90,  -0.03,
10/07 01Z,  -0.20, -11.84, -12.03,  99.90,   0.01,  (min)
10/07 02Z,  -0.20, -10.53, -10.63,  99.90,   0.10,
10/07 03Z,  -0.30,  -8.19,  -8.21,  99.90,   0.28,
10/07 04Z,  -0.30,  -5.40,  -5.29,  99.90,   0.41,
10/07 05Z,  -0.30,  -2.85,  -2.65,  99.90,   0.50,
10/07 06Z,  -0.30,  -1.23,  -1.07,  99.90,   0.46,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/07 07Z,  -0.30,  -1.06,  99.90,  -0.92,   0.44,  (max)
10/07 08Z,  -0.30,  -2.48,  99.90,  -2.38,   0.41,
10/07 09Z,  -0.30,  -5.28,  99.90,  -5.20,   0.38,
10/07 10Z,  -0.40,  -8.81,  99.90,  -8.86,   0.35,
10/07 11Z,  -0.40, -12.20,  99.90, -12.28,   0.32,
10/07 12Z,  -0.40, -14.59,  99.90, -14.70,   0.29,
10/07 13Z,  -0.50, -15.38,  99.90, -15.62,   0.26,  (min)
10/07 14Z,  -0.50, -14.39,  99.90, -14.65,   0.23,
10/07 15Z,  -0.50, -11.85,  99.90, -12.15,   0.20,
10/07 16Z,  -0.50,  -8.40,  99.90,  -8.73,   0.17,
10/07 17Z,  -0.50,  -4.85,  99.90,  -5.20,   0.15,
10/07 18Z,  -0.50,  -2.01,  99.90,  -2.39,   0.12,
10/07 19Z,  -0.40,  -0.56,  99.90,  -0.84,   0.12,  (max)
10/07 20Z,  -0.40,  -0.83,  99.90,  -1.12,   0.12,
10/07 21Z,  -0.30,  -2.76,  99.90,  -2.95,   0.12,
10/07 22Z,  -0.30,  -5.85,  99.90,  -6.03,   0.12,
10/07 23Z,  -0.30,  -9.27,  99.90,  -9.45,   0.12,
10/08 00Z,  -0.30, -12.12,  99.90, -12.31,   0.12,
10/08 01Z,  -0.30, -13.66,  99.90, -13.84,   0.12,  (min)
10/08 02Z,  -0.30, -13.48,  99.90, -13.66,   0.12,
10/08 03Z,  -0.40, -11.64,  99.90, -11.93,   0.12,
10/08 04Z,  -0.40,  -8.63,  99.90,  -8.91,   0.12,
10/08 05Z,  -0.40,  -5.19,  99.90,  -5.48,   0.12,
10/08 06Z,  -0.50,  -2.19,  99.90,  -2.57,   0.12,
10/08 07Z,  -0.50,  -0.41,  99.90,  -0.79,   0.12,
10/08 08Z,  -0.40,  -0.37,  99.90,  -0.65,   0.12,  (max)
10/08 09Z,  -0.40,  -2.18,  99.90,  -2.46,   0.12,
10/08 10Z,  -0.30,  -5.47,  99.90,  -5.65,   0.12,
10/08 11Z,  -0.30,  -9.42,  99.90,  -9.61,   0.12,
10/08 12Z,  -0.20, -13.02,  99.90, -13.10,   0.12,
10/08 13Z,  -0.10, -15.29,  99.90, -15.28,   0.12,
10/08 14Z,  -0.10, -15.65,  99.90, -15.63,   0.12,  (min)
10/08 15Z,  -0.20, -14.00,  99.90, -14.09,   0.12,
10/08 16Z,  -0.30, -10.79,  99.90, -10.97,   0.12,
10/08 17Z,  -0.40,  -6.81,  99.90,  -7.09,   0.12,
10/08 18Z,  -0.50,  -3.01,  99.90,  -3.40,   0.12,
10/08 19Z,  -0.50,  -0.30,  99.90,  -0.69,   0.12,
10/08 20Z,  -0.50,   0.66,  99.90,   0.28,   0.12,  (max)
10/08 21Z,  -0.50,  -0.37,  99.90,  -0.76,   0.12,
10/08 22Z,  -0.40,  -3.19,  99.90,  -3.47,   0.12,
10/08 23Z,  -0.40,  -7.08,  99.90,  -7.36,   0.12,
10/09 00Z,  -0.30, -11.05,  99.90, -11.23,   0.12,
10/09 01Z,  -0.30, -14.06,  99.90, -14.24,   0.12,
10/09 02Z,  -0.30, -15.33,  99.90, -15.51,   0.12,  (min)
10/09 03Z,  -0.30, -14.57,  99.90, -14.76,   0.12,
10/09 04Z,  -0.30, -12.02,  99.90, -12.20,   0.12,
10/09 05Z,  -0.40,  -8.34,  99.90,  -8.62,   0.12,
10/09 06Z,  -0.50,  -4.45,  99.90,  -4.84,   0.12,
10/09 07Z,  -0.50,  -1.32,  99.90,  -1.70,   0.12,
10/09 08Z,  -0.50,   0.27,  99.90,  -0.11,   0.12,  (max)
10/09 09Z,  -0.60,  -0.13,  99.90,  -0.62,   0.12,
10/09 10Z,  -0.60,  -2.50,  99.90,  -2.98,   0.12,
10/09 11Z,  -0.50,  -6.27,  99.90,  -6.65,   0.12,
10/09 12Z,  -0.50, -10.44,  99.90, -10.83,   0.12,
10/09 13Z,  -0.40, -13.89,  99.90, -14.18,   0.12,
10/09 14Z,  -0.40, -15.66,  99.90, -15.94,   0.12,  (min)
10/09 15Z,  -0.50, -15.26,  99.90, -15.64,   0.12,
10/09 16Z,  -0.50, -12.82,  99.90, -13.20,   0.12,
10/09 17Z,  -0.60,  -8.98,  99.90,  -9.47,   0.12,
10/09 18Z,  -0.70,  -4.72,  99.90,  -5.31,   0.12,
10/09 19Z,  -0.70,  -1.06,  99.90,  -1.64,   0.12,
10/09 20Z,  -0.80,   1.12,  99.90,   0.44,   0.12,
10/09 21Z,  -0.80,   1.26,  99.90,   0.57,   0.12,  (max)
10/09 22Z,  -0.70,  -0.74,  99.90,  -1.32,   0.12,
10/09 23Z,  -0.60,  -4.43,  99.90,  -4.91,   0.12,
10/10 00Z,  -0.60,  -8.92,  99.90,  -9.40,   0.12,
10/10 01Z,  -0.50, -13.07,  99.90, -13.45,   0.12,
10/10 02Z,  -0.50, -15.79,  99.90, -16.18,   0.12,
10/10 03Z,  -0.50, -16.43,  99.90, -16.82,   0.12,  (min)
10/10 04Z,  -0.60, -14.88,  99.90, -15.36,   0.12,
10/10 05Z,  -0.70, -11.60,  99.90, -12.18,   0.12,
10/10 06Z,  -0.80,  -7.44,  99.90,  -8.12,   0.12,
10/10 07Z,  -0.90,  -3.42,  99.90,  -4.21,   0.12,
10/10 08Z,  -1.00,  -0.52,  99.90,  -1.40,   0.12,
10/10 09Z,  -1.00,   0.57,  99.90,  -0.32,   0.12,  (max)
10/10 10Z,  -1.00,  -0.47,  99.90,  -1.36,   0.12,
10/10 11Z,  -0.90,  -3.41,  99.90,  -4.20,   0.12,
10/10 12Z,  -0.80,  -7.48,  99.90,  -8.16,   0.12,
10/10 13Z,  -0.70, -11.56,  99.90, -12.14,   0.12,
10/10 14Z,  -0.70, -14.48,  99.90, -15.06,   0.12,
10/10 15Z,  -0.70, -15.41,  99.90, -15.99,   0.12,  (min)
10/10 16Z,  -0.80, -14.10,  99.90, -14.79,   0.12,
10/10 17Z,  -0.80, -10.93,  99.90, -11.61,   0.12,
10/10 18Z,  -0.90,  -6.73,  99.90,  -7.51,   0.12,
10/10 19Z,  -1.00,  -2.56,  99.90,  -3.44,   0.12,
10/10 20Z,  -1.00,   0.58,  99.90,  -0.31,   0.12,
10/10 21Z,  -0.90,   1.89,  99.90,   1.11,   0.12,  (max)
10/10 22Z,  -0.90,   1.01,  99.90,   0.23,   0.12,
10/10 23Z,  -0.80,  -1.94,  99.90,  -2.63,   0.12,
10/11 00Z,  -0.70,  -6.31,  99.90,  -6.90,   0.12,