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
#Sitka, AK : 07/19/2025 19:22:15 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/18 00Z,  -0.30,  -5.94,  -6.46,  99.90,  -0.22,
07/18 01Z,  -0.30,  -4.27,  -4.77,  99.90,  -0.20,
07/18 02Z,  -0.30,  -3.29,  -3.87,  99.90,  -0.28,
07/18 03Z,  -0.30,  -3.23,  -3.79,  99.90,  -0.26,  (max)
07/18 04Z,  -0.30,  -4.10,  -4.68,  99.90,  -0.28,
07/18 05Z,  -0.30,  -5.70,  -6.22,  99.90,  -0.22,
07/18 06Z,  -0.20,  -7.66,  -8.23,  99.90,  -0.37,
07/18 07Z,  -0.30,  -9.55, -10.06,  99.90,  -0.21,
07/18 08Z,  -0.30, -10.97, -11.50,  99.90,  -0.23,
07/18 09Z,  -0.30, -11.63, -12.10,  99.90,  -0.17,  (min)
07/18 10Z,  -0.30, -11.46, -11.89,  99.90,  -0.13,
07/18 11Z,  -0.30, -10.55, -11.02,  99.90,  -0.17,
07/18 12Z,  -0.20,  -9.21,  -9.65,  99.90,  -0.24,
07/18 13Z,  -0.20,  -7.79,  -8.31,  99.90,  -0.32,
07/18 14Z,  -0.30,  -6.69,  -7.15,  99.90,  -0.16,
07/18 15Z,  -0.30,  -6.16,  -6.71,  99.90,  -0.25,  (max)
07/18 16Z,  -0.30,  -6.33,  -6.87,  99.90,  -0.24,
07/18 17Z,  -0.30,  -7.12,  -7.60,  99.90,  -0.18,
07/18 18Z,  -0.10,  -8.27,  -8.79,  99.90,  -0.42,
07/18 19Z,  -0.20,  -9.44,  -9.87,  99.90,  -0.23,
07/18 20Z,  -0.20, -10.27, -10.72,  99.90,  -0.25,
07/18 21Z,  -0.20, -10.47, -10.79,  99.90,  -0.12,  (min)
07/18 22Z,  -0.20,  -9.93, -10.30,  99.90,  -0.17,
07/18 23Z,  -0.20,  -8.69,  -9.10,  99.90,  -0.21,
07/19 00Z,  -0.10,  -7.02,  -7.45,  99.90,  -0.33,
07/19 01Z,  -0.10,  -5.26,  -5.76,  99.90,  -0.40,
07/19 02Z,  -0.20,  -3.83,  -4.42,  99.90,  -0.39,
07/19 03Z,  -0.20,  -3.05,  -3.57,  99.90,  -0.32,  (max)
07/19 04Z,  -0.20,  -3.14,  -3.71,  99.90,  -0.37,
07/19 05Z,  -0.10,  -4.09,  -4.63,  99.90,  -0.44,
07/19 06Z,  -0.10,  -5.75,  -6.35,  99.90,  -0.50,
07/19 07Z,  -0.20,  -7.76,  -8.21,  99.90,  -0.25,
07/19 08Z,  -0.20,  -9.73, -10.18,  99.90,  -0.25,
07/19 09Z,  -0.30, -11.27, -11.70,  99.90,  -0.13,
07/19 10Z,  -0.20, -12.10, -12.44,  99.90,  -0.14,  (min)
07/19 11Z,  -0.20, -12.10, -12.37,  99.90,  -0.07,
07/19 12Z,  -0.20, -11.36, -11.60,  99.90,  -0.04,
07/19 13Z,  -0.20, -10.10, -10.42,  99.90,  -0.12,
07/19 14Z,  -0.30,  -8.67,  -9.06,  99.90,  -0.09,
07/19 15Z,  -0.30,  -7.43,  -7.89,  99.90,  -0.16,
07/19 16Z,  -0.30,  -6.65,  -7.14,  99.90,  -0.19,
07/19 17Z,  -0.20,  -6.48,  -6.95,  99.90,  -0.27,  (max)
07/19 18Z,  -0.10,  -6.90,  -7.34,  99.90,  -0.34,
07/19 19Z,  -0.10,  -7.71,  -8.13,  99.90,  -0.32,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/19 20Z,   0.00,  -8.62,  99.90,  -8.91,  -0.29,
07/19 21Z,   0.00,  -9.30,  99.90,  -9.57,  -0.27,
07/19 22Z,   0.00,  -9.49,  99.90,  -9.73,  -0.24,  (min)
07/19 23Z,  -0.10,  -9.04,  99.90,  -9.35,  -0.21,
07/20 00Z,  -0.10,  -7.98,  99.90,  -8.26,  -0.18,
07/20 01Z,  -0.10,  -6.50,  99.90,  -6.75,  -0.15,
07/20 02Z,  -0.20,  -4.92,  99.90,  -5.24,  -0.12,
07/20 03Z,  -0.20,  -3.60,  99.90,  -3.89,  -0.09,
07/20 04Z,  -0.20,  -2.89,  99.90,  -3.15,  -0.06,  (max)
07/20 05Z,  -0.20,  -3.00,  99.90,  -3.23,  -0.04,
07/20 06Z,  -0.20,  -3.96,  99.90,  -4.17,  -0.01,
07/20 07Z,  -0.30,  -5.64,  99.90,  -5.92,   0.02,
07/20 08Z,  -0.30,  -7.74,  99.90,  -8.02,   0.02,
07/20 09Z,  -0.30,  -9.85,  99.90, -10.13,   0.02,
07/20 10Z,  -0.30, -11.59,  99.90, -11.87,   0.02,
07/20 11Z,  -0.30, -12.64,  99.90, -12.92,   0.02,
07/20 12Z,  -0.30, -12.83,  99.90, -13.11,   0.02,  (min)
07/20 13Z,  -0.30, -12.20,  99.90, -12.48,   0.02,
07/20 14Z,  -0.30, -10.94,  99.90, -11.22,   0.02,
07/20 15Z,  -0.40,  -9.39,  99.90,  -9.77,   0.02,
07/20 16Z,  -0.40,  -7.90,  99.90,  -8.28,   0.02,
07/20 17Z,  -0.40,  -6.80,  99.90,  -7.17,   0.02,
07/20 18Z,  -0.40,  -6.28,  99.90,  -6.66,   0.02,  (max)
07/20 19Z,  -0.40,  -6.39,  99.90,  -6.77,   0.02,
07/20 20Z,  -0.40,  -6.99,  99.90,  -7.37,   0.02,
07/20 21Z,  -0.40,  -7.81,  99.90,  -8.19,   0.02,
07/20 22Z,  -0.40,  -8.53,  99.90,  -8.91,   0.02,
07/20 23Z,  -0.40,  -8.85,  99.90,  -9.23,   0.02,  (min)
07/21 00Z,  -0.40,  -8.58,  99.90,  -8.96,   0.02,
07/21 01Z,  -0.40,  -7.69,  99.90,  -8.07,   0.02,
07/21 02Z,  -0.40,  -6.34,  99.90,  -6.71,   0.02,
07/21 03Z,  -0.40,  -4.81,  99.90,  -5.19,   0.02,
07/21 04Z,  -0.40,  -3.49,  99.90,  -3.87,   0.02,
07/21 05Z,  -0.50,  -2.72,  99.90,  -3.20,   0.02,  (max)
07/21 06Z,  -0.50,  -2.77,  99.90,  -3.25,   0.02,
07/21 07Z,  -0.50,  -3.72,  99.90,  -4.19,   0.02,
07/21 08Z,  -0.40,  -5.45,  99.90,  -5.83,   0.02,
07/21 09Z,  -0.40,  -7.69,  99.90,  -8.07,   0.02,
07/21 10Z,  -0.40, -10.02,  99.90, -10.39,   0.02,
07/21 11Z,  -0.30, -11.99,  99.90, -12.27,   0.02,
07/21 12Z,  -0.40, -13.25,  99.90, -13.63,   0.02,
07/21 13Z,  -0.40, -13.58,  99.90, -13.96,   0.02,  (min)
07/21 14Z,  -0.40, -12.96,  99.90, -13.34,   0.02,
07/21 15Z,  -0.40, -11.59,  99.90, -11.97,   0.02,
07/21 16Z,  -0.40,  -9.80,  99.90, -10.17,   0.02,
07/21 17Z,  -0.40,  -8.00,  99.90,  -8.38,   0.02,
07/21 18Z,  -0.40,  -6.58,  99.90,  -6.96,   0.02,
07/21 19Z,  -0.40,  -5.80,  99.90,  -6.18,   0.02,
07/21 20Z,  -0.40,  -5.75,  99.90,  -6.13,   0.02,  (max)
07/21 21Z,  -0.30,  -6.32,  99.90,  -6.60,   0.02,
07/21 22Z,  -0.30,  -7.23,  99.90,  -7.50,   0.02,
07/21 23Z,  -0.30,  -8.11,  99.90,  -8.39,   0.02,
07/22 00Z,  -0.30,  -8.63,  99.90,  -8.91,   0.02,  (min)
07/22 01Z,  -0.20,  -8.54,  99.90,  -8.72,   0.02,
07/22 02Z,  -0.20,  -7.76,  99.90,  -7.94,   0.02,
07/22 03Z,  -0.30,  -6.42,  99.90,  -6.70,   0.02,
07/22 04Z,  -0.30,  -4.82,  99.90,  -5.10,   0.02,
07/22 05Z,  -0.30,  -3.38,  99.90,  -3.65,   0.02,
07/22 06Z,  -0.30,  -2.49,  99.90,  -2.77,   0.02,
07/22 07Z,  -0.30,  -2.47,  99.90,  -2.75,   0.02,  (max)
07/22 08Z,  -0.30,  -3.44,  99.90,  -3.72,   0.02,
07/22 09Z,  -0.30,  -5.30,  99.90,  -5.58,   0.02,
07/22 10Z,  -0.30,  -7.74,  99.90,  -8.02,   0.02,
07/22 11Z,  -0.30, -10.30,  99.90, -10.58,   0.02,
07/22 12Z,  -0.30, -12.50,  99.90, -12.78,   0.02,
07/22 13Z,  -0.20, -13.90,  99.90, -14.08,   0.02,
07/22 14Z,  -0.20, -14.25,  99.90, -14.42,   0.02,  (min)
07/22 15Z,  -0.20, -13.51,  99.90, -13.69,   0.02,
07/22 16Z,  -0.20, -11.91,  99.90, -12.09,   0.02,
07/22 17Z,  -0.20,  -9.82,  99.90, -10.00,   0.02,
07/22 18Z,  -0.20,  -7.72,  99.90,  -7.90,   0.02,
07/22 19Z,  -0.20,  -6.07,  99.90,  -6.25,   0.02,
07/22 20Z,  -0.20,  -5.18,  99.90,  -5.36,   0.02,
07/22 21Z,  -0.20,  -5.15,  99.90,  -5.32,   0.02,  (max)
07/22 22Z,  -0.10,  -5.85,  99.90,  -5.93,   0.02,
07/22 23Z,  -0.10,  -6.98,  99.90,  -7.06,   0.02,
07/23 00Z,  -0.10,  -8.10,  99.90,  -8.18,   0.02,
07/23 01Z,  -0.10,  -8.82,  99.90,  -8.90,   0.02,
07/23 02Z,  -0.10,  -8.82,  99.90,  -8.90,   0.02,  (min)
07/23 03Z,  -0.10,  -8.03,  99.90,  -8.11,   0.02,
07/23 04Z,  -0.10,  -6.58,  99.90,  -6.66,   0.02,
07/23 05Z,  -0.10,  -4.82,  99.90,  -4.90,   0.02,
07/23 06Z,  -0.10,  -3.21,  99.90,  -3.29,   0.02,
07/23 07Z,  -0.10,  -2.22,  99.90,  -2.29,   0.02,
07/23 08Z,  -0.10,  -2.19,  99.90,  -2.27,   0.02,  (max)
07/23 09Z,  -0.10,  -3.26,  99.90,  -3.34,   0.02,
07/23 10Z,  -0.10,  -5.31,  99.90,  -5.39,   0.02,
07/23 11Z,  -0.10,  -7.99,  99.90,  -8.07,   0.02,
07/23 12Z,   0.00, -10.77,  99.90, -10.75,   0.02,