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
#Anchorage, AK : 07/17/2026 23:09:34 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/16 06Z,   0.40,   0.19,   1.13,  99.90,   0.54,  (max)
07/16 07Z,   0.40,  -3.03,  -3.04,  99.90,  -0.41,
07/16 08Z,   0.30,  -7.81,  -8.79,  99.90,  -1.28,
07/16 09Z,   0.30, -13.53, -14.62,  99.90,  -1.39,
07/16 10Z,   0.30, -19.69, -19.80,  99.90,  -0.41,
07/16 11Z,   0.20, -24.83, -24.27,  99.90,   0.36,
07/16 12Z,   0.20, -25.34, -26.56,  99.90,  -1.42,  (min)
07/16 13Z,   0.20, -19.68, -18.05,  99.90,   1.43,
07/16 14Z,   0.10, -11.30, -10.18,  99.90,   1.02,
07/16 15Z,   0.10,  -4.20,  -3.86,  99.90,   0.24,
07/16 16Z,   0.10,   0.36,   0.75,  99.90,   0.29,
07/16 17Z,   0.10,   1.80,   3.06,  99.90,   1.16,  (max)
07/16 18Z,   0.00,  -0.06,   0.98,  99.90,   1.04,
07/16 19Z,   0.00,  -4.20,  -4.05,  99.90,   0.15,
07/16 20Z,   0.00,  -9.72, -10.07,  99.90,  -0.35,
07/16 21Z,   0.00, -16.07, -16.06,  99.90,   0.01,
07/16 22Z,  -0.10, -22.84, -21.38,  99.90,   1.56,
07/16 23Z,  -0.10, -29.26, -26.47,  99.90,   2.89,
07/17 00Z,  -0.10, -32.45, -31.26,  99.90,   1.29,
07/17 01Z,  -0.20, -29.17, -31.48,  99.90,  -2.11,  (min)
07/17 02Z,  -0.20, -20.87, -20.08,  99.90,   0.99,
07/17 03Z,  -0.20, -11.99, -11.55,  99.90,   0.64,
07/17 04Z,  -0.20,  -4.81,  -5.15,  99.90,  -0.14,
07/17 05Z,  -0.20,  -0.07,  -0.33,  99.90,  -0.06,
07/17 06Z,  -0.30,   1.40,   1.95,  99.90,   0.85,  (max)
07/17 07Z,  -0.30,  -0.19,   0.19,  99.90,   0.68,
07/17 08Z,  -0.30,  -3.99,  -4.75,  99.90,  -0.46,
07/17 09Z,  -0.30,  -9.34, -10.72,  99.90,  -1.08,
07/17 10Z,  -0.40, -15.51, -16.47,  99.90,  -0.56,
07/17 11Z,  -0.40, -21.77, -21.52,  99.90,   0.65,
07/17 12Z,  -0.50, -26.20, -25.84,  99.90,   0.86,
07/17 13Z,  -0.50, -25.30, -26.80,  99.90,  -1.00,  (min)
07/17 14Z,  -0.50, -18.60, -17.46,  99.90,   1.64,
07/17 15Z,  -0.50, -10.24,  -9.95,  99.90,   0.79,
07/17 16Z,  -0.50,  -3.70,  -3.90,  99.90,   0.30,
07/17 17Z,  -0.60,   0.26,   0.40,  99.90,   0.74,
07/17 18Z,  -0.60,   1.17,   2.12,  99.90,   1.55,  (max)
07/17 19Z,  -0.60,  -1.02,  -0.53,  99.90,   1.09,
07/17 20Z,  -0.60,  -5.41,  -5.71,  99.90,   0.30,
07/17 21Z,  -0.60, -11.22, -11.63,  99.90,   0.19,
07/17 22Z,  -0.60, -17.75, -17.40,  99.90,   0.95,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/17 23Z,  -0.50, -24.28,  99.90, -23.87,   0.91,
07/18 00Z,  -0.50, -29.73,  99.90, -29.37,   0.86,
07/18 01Z,  -0.50, -31.11,  99.90, -30.80,   0.82,  (min)
07/18 02Z,  -0.50, -26.14,  99.90, -25.87,   0.77,
07/18 03Z,  -0.40, -17.39,  99.90, -17.06,   0.73,
07/18 04Z,  -0.40,  -9.17,  99.90,  -8.89,   0.68,
07/18 05Z,  -0.40,  -3.03,  99.90,  -2.79,   0.64,
07/18 06Z,  -0.30,   0.64,  99.90,   0.94,   0.60,
07/18 07Z,  -0.30,   1.17,  99.90,   1.42,   0.55,  (max)
07/18 08Z,  -0.30,  -1.16,  99.90,  -0.96,   0.51,
07/18 09Z,  -0.20,  -5.62,  99.90,  -5.35,   0.46,
07/18 10Z,  -0.20, -11.47,  99.90, -11.25,   0.42,
07/18 11Z,  -0.20, -17.74,  99.90, -17.52,   0.42,
07/18 12Z,  -0.20, -23.56,  99.90, -23.34,   0.42,
07/18 13Z,  -0.20, -26.82,  99.90, -26.60,   0.42,  (min)
07/18 14Z,  -0.10, -24.51,  99.90, -24.19,   0.42,
07/18 15Z,  -0.10, -17.25,  99.90, -16.93,   0.42,
07/18 16Z,  -0.10,  -9.44,  99.90,  -9.12,   0.42,
07/18 17Z,  -0.10,  -3.75,  99.90,  -3.43,   0.42,
07/18 18Z,  -0.10,  -0.43,  99.90,  -0.11,   0.42,
07/18 19Z,  -0.10,   0.04,  99.90,   0.36,   0.42,  (max)
07/18 20Z,  -0.10,  -2.44,  99.90,  -2.13,   0.42,
07/18 21Z,  -0.10,  -7.10,  99.90,  -6.78,   0.42,
07/18 22Z,  -0.10, -13.11,  99.90, -12.79,   0.42,
07/18 23Z,  -0.10, -19.42,  99.90, -19.10,   0.42,
07/19 00Z,  -0.20, -25.15,  99.90, -24.93,   0.42,
07/19 01Z,  -0.20, -29.12,  99.90, -28.90,   0.42,  (min)
07/19 02Z,  -0.20, -28.61,  99.90, -28.39,   0.42,
07/19 03Z,  -0.20, -22.42,  99.90, -22.20,   0.42,
07/19 04Z,  -0.20, -13.92,  99.90, -13.70,   0.42,
07/19 05Z,  -0.30,  -6.84,  99.90,  -6.72,   0.42,
07/19 06Z,  -0.30,  -1.89,  99.90,  -1.77,   0.42,
07/19 07Z,  -0.30,   0.71,  99.90,   0.82,   0.42,  (max)
07/19 08Z,  -0.30,   0.32,  99.90,   0.44,   0.42,
07/19 09Z,  -0.30,  -2.75,  99.90,  -2.63,   0.42,
07/19 10Z,  -0.40,  -7.79,  99.90,  -7.77,   0.42,
07/19 11Z,  -0.40, -13.81,  99.90, -13.79,   0.42,
07/19 12Z,  -0.40, -19.69,  99.90, -19.67,   0.42,
07/19 13Z,  -0.40, -24.62,  99.90, -24.60,   0.42,
07/19 14Z,  -0.40, -26.59,  99.90, -26.57,   0.42,  (min)
07/19 15Z,  -0.40, -23.23,  99.90, -23.22,   0.42,
07/19 16Z,  -0.50, -16.07,  99.90, -16.16,   0.42,
07/19 17Z,  -0.50,  -9.25,  99.90,  -9.33,   0.42,
07/19 18Z,  -0.60,  -4.46,  99.90,  -4.64,   0.42,
07/19 19Z,  -0.60,  -1.65,  99.90,  -1.83,   0.42,
07/19 20Z,  -0.70,  -1.50,  99.90,  -1.78,   0.42,  (max)
07/19 21Z,  -0.80,  -4.20,  99.90,  -4.58,   0.42,
07/19 22Z,  -0.80,  -9.01,  99.90,  -9.39,   0.42,
07/19 23Z,  -0.80, -14.89,  99.90, -15.27,   0.42,
07/20 00Z,  -0.90, -20.50,  99.90, -20.98,   0.42,
07/20 01Z,  -0.90, -24.98,  99.90, -25.46,   0.42,
07/20 02Z,  -0.90, -27.36,  99.90, -27.84,   0.42,  (min)
07/20 03Z,  -0.90, -25.33,  99.90, -25.81,   0.42,
07/20 04Z,  -1.00, -18.68,  99.90, -19.26,   0.42,
07/20 05Z,  -1.00, -11.09,  99.90, -11.67,   0.42,
07/20 06Z,  -1.00,  -5.38,  99.90,  -5.96,   0.42,
07/20 07Z,  -1.00,  -1.57,  99.90,  -2.15,   0.42,
07/20 08Z,  -1.00,   0.08,  99.90,  -0.50,   0.42,  (max)
07/20 09Z,  -1.00,  -1.10,  99.90,  -1.68,   0.42,
07/20 10Z,  -1.00,  -4.78,  99.90,  -5.36,   0.42,
07/20 11Z,  -1.00, -10.09,  99.90, -10.67,   0.42,
07/20 12Z,  -1.00, -15.82,  99.90, -16.40,   0.42,
07/20 13Z,  -1.00, -20.91,  99.90, -21.49,   0.42,
07/20 14Z,  -1.00, -24.83,  99.90, -25.41,   0.42,
07/20 15Z,  -1.00, -25.78,  99.90, -26.36,   0.42,  (min)
07/20 16Z,  -1.00, -22.00,  99.90, -22.58,   0.42,
07/20 17Z,  -0.90, -15.52,  99.90, -16.00,   0.42,
07/20 18Z,  -0.90,  -9.84,  99.90, -10.32,   0.42,
07/20 19Z,  -0.90,  -5.75,  99.90,  -6.23,   0.42,
07/20 20Z,  -0.90,  -3.21,  99.90,  -3.69,   0.42,
07/20 21Z,  -0.90,  -3.18,  99.90,  -3.66,   0.42,  (max)
07/20 22Z,  -0.90,  -5.94,  99.90,  -6.42,   0.42,
07/20 23Z,  -0.90, -10.64,  99.90, -11.12,   0.42,
07/21 00Z,  -0.90, -15.99,  99.90, -16.47,   0.42,
07/21 01Z,  -0.80, -20.52,  99.90, -20.90,   0.42,
07/21 02Z,  -0.80, -23.70,  99.90, -24.08,   0.42,
07/21 03Z,  -0.70, -24.81,  99.90, -25.10,   0.42,  (min)
07/21 04Z,  -0.70, -21.96,  99.90, -22.24,   0.42,
07/21 05Z,  -0.60, -15.61,  99.90, -15.80,   0.42,
07/21 06Z,  -0.60,  -9.33,  99.90,  -9.51,   0.42,
07/21 07Z,  -0.50,  -4.93,  99.90,  -5.01,   0.42,
07/21 08Z,  -0.50,  -2.02,  99.90,  -2.10,   0.42,
07/21 09Z,  -0.50,  -1.09,  99.90,  -1.17,   0.42,  (max)
07/21 10Z,  -0.50,  -2.84,  99.90,  -2.92,   0.42,
07/21 11Z,  -0.50,  -6.83,  99.90,  -6.91,   0.42,
07/21 12Z,  -0.50, -12.02,  99.90, -12.10,   0.42,
07/21 13Z,  99.90, -17.08,  99.90,  99.90,   0.42,
07/21 14Z,  99.90, -21.28,  99.90,  99.90,   0.42,
07/21 15Z,  99.90, -24.46,  99.90,  99.90,   0.42,
07/21 16Z,  99.90, -24.94,  99.90,  99.90,   0.42,
07/21 17Z,  99.90, -21.32,  99.90,  99.90,   0.42,
07/21 18Z,  99.90, -15.82,  99.90,  99.90,   0.42,