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 : 12/04/2025 21:22:41 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
12/03 06Z,   0.00,  -6.28,  -7.02,  99.90,  -0.74,
12/03 07Z,   0.00,  -4.61,  -5.40,  99.90,  -0.79,
12/03 08Z,   0.00,  -3.89,  -4.62,  99.90,  -0.73,  (max)
12/03 09Z,   0.00,  -4.20,  -4.90,  99.90,  -0.70,
12/03 10Z,   0.00,  -5.36,  -6.03,  99.90,  -0.67,
12/03 11Z,   0.00,  -6.95,  -7.57,  99.90,  -0.62,
12/03 12Z,   0.00,  -8.44,  -8.97,  99.90,  -0.53,
12/03 13Z,  -0.10,  -9.33,  -9.69,  99.90,  -0.26,  (min)
12/03 14Z,  -0.10,  -9.28,  -9.60,  99.90,  -0.22,
12/03 15Z,  -0.10,  -8.22,  -8.50,  99.90,  -0.18,
12/03 16Z,   0.00,  -6.34,  -6.59,  99.90,  -0.25,
12/03 17Z,   0.00,  -4.09,  -4.38,  99.90,  -0.29,
12/03 18Z,   0.10,  -2.05,  -2.40,  99.90,  -0.45,
12/03 19Z,   0.00,  -0.77,  -1.16,  99.90,  -0.39,
12/03 20Z,   0.00,  -0.67,  -1.06,  99.90,  -0.39,  (max)
12/03 21Z,   0.00,  -1.89,  -2.36,  99.90,  -0.47,
12/03 22Z,   0.10,  -4.25,  -4.78,  99.90,  -0.63,
12/03 23Z,   0.20,  -7.32,  -7.87,  99.90,  -0.75,
12/04 00Z,   0.00, -10.46, -11.08,  99.90,  -0.62,
12/04 01Z,   0.00, -13.02, -13.61,  99.90,  -0.59,
12/04 02Z,   0.00, -14.48, -15.04,  99.90,  -0.56,
12/04 03Z,   0.00, -14.56, -15.16,  99.90,  -0.60,  (min)
12/04 04Z,   0.00, -13.30, -13.87,  99.90,  -0.57,
12/04 05Z,   0.00, -11.03, -11.71,  99.90,  -0.68,
12/04 06Z,   0.00,  -8.33,  -9.04,  99.90,  -0.71,
12/04 07Z,  -0.10,  -5.82,  -6.65,  99.90,  -0.73,
12/04 08Z,  -0.10,  -4.05,  -4.85,  99.90,  -0.70,
12/04 09Z,   0.00,  -3.38,  -4.17,  99.90,  -0.79,  (max)
12/04 10Z,   0.00,  -3.83,  -4.58,  99.90,  -0.75,
12/04 11Z,   0.00,  -5.16,  -5.90,  99.90,  -0.74,
12/04 12Z,  -0.10,  -6.88,  -7.60,  99.90,  -0.62,
12/04 13Z,  -0.10,  -8.40,  -9.03,  99.90,  -0.53,
12/04 14Z,  -0.20,  -9.22,  -9.82,  99.90,  -0.40,  (min)
12/04 15Z,  -0.20,  -9.00,  -9.56,  99.90,  -0.36,
12/04 16Z,  -0.10,  -7.72,  -8.31,  99.90,  -0.49,
12/04 17Z,  -0.10,  -5.64,  -6.24,  99.90,  -0.50,
12/04 18Z,   0.00,  -3.29,  -4.03,  99.90,  -0.74,
12/04 19Z,   0.00,  -1.28,  -2.09,  99.90,  -0.81,
12/04 20Z,   0.00,  -0.20,  -1.11,  99.90,  -0.91,  (max)
12/04 21Z,  -0.10,  -0.42,  -1.36,  99.90,  -0.84,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
12/04 22Z,  -0.10,  -2.03,  99.90,  -2.95,  -0.82,
12/04 23Z,  -0.20,  -4.78,  99.90,  -5.79,  -0.81,
12/05 00Z,  -0.20,  -8.14,  99.90,  -9.13,  -0.79,
12/05 01Z,  -0.30, -11.42,  99.90, -12.50,  -0.77,
12/05 02Z,  -0.30, -13.95,  99.90, -15.01,  -0.76,
12/05 03Z,  -0.20, -15.21,  99.90, -16.16,  -0.74,  (min)
12/05 04Z,  -0.20, -14.98,  99.90, -15.91,  -0.73,
12/05 05Z,  -0.10, -13.36,  99.90, -14.18,  -0.71,
12/05 06Z,  -0.10, -10.79,  99.90, -11.59,  -0.70,
12/05 07Z,   0.00,  -7.87,  99.90,  -8.56,  -0.68,
12/05 08Z,   0.00,  -5.29,  99.90,  -5.96,  -0.67,
12/05 09Z,  -0.10,  -3.59,  99.90,  -4.34,  -0.65,
12/05 10Z,  -0.10,  -3.07,  99.90,  -3.82,  -0.65,  (max)
12/05 11Z,  -0.10,  -3.71,  99.90,  -4.47,  -0.65,
12/05 12Z,  -0.10,  -5.20,  99.90,  -5.95,  -0.65,
12/05 13Z,  -0.10,  -6.98,  99.90,  -7.73,  -0.65,
12/05 14Z,   0.00,  -8.47,  99.90,  -9.12,  -0.65,
12/05 15Z,  -0.10,  -9.14,  99.90,  -9.90,  -0.65,  (min)
12/05 16Z,  -0.10,  -8.73,  99.90,  -9.48,  -0.65,
12/05 17Z,  -0.10,  -7.26,  99.90,  -8.01,  -0.65,
12/05 18Z,  -0.10,  -5.07,  99.90,  -5.82,  -0.65,
12/05 19Z,  -0.10,  -2.71,  99.90,  -3.46,  -0.65,
12/05 20Z,   0.00,  -0.83,  99.90,  -1.49,  -0.65,
12/05 21Z,   0.00,  -0.00,  99.90,  -0.65,  -0.65,  (max)
12/05 22Z,   0.10,  -0.54,  99.90,  -1.09,  -0.65,
12/05 23Z,   0.20,  -2.46,  99.90,  -2.92,  -0.65,
12/06 00Z,   0.30,  -5.45,  99.90,  -5.81,  -0.65,
12/06 01Z,   0.20,  -8.92,  99.90,  -9.37,  -0.65,
12/06 02Z,   0.20, -12.16,  99.90, -12.61,  -0.65,
12/06 03Z,   0.10, -14.50,  99.90, -15.05,  -0.65,
12/06 04Z,   0.10, -15.47,  99.90, -16.02,  -0.65,  (min)
12/06 05Z,   0.20, -14.92,  99.90, -15.37,  -0.65,
12/06 06Z,   0.30, -13.03,  99.90, -13.38,  -0.65,
12/06 07Z,   0.30, -10.28,  99.90, -10.63,  -0.65,
12/06 08Z,   0.40,  -7.33,  99.90,  -7.58,  -0.65,
12/06 09Z,   0.50,  -4.83,  99.90,  -4.98,  -0.65,
12/06 10Z,   0.60,  -3.31,  99.90,  -3.36,  -0.65,
12/06 11Z,   0.60,  -3.00,  99.90,  -3.06,  -0.65,  (max)
12/06 12Z,   0.60,  -3.83,  99.90,  -3.88,  -0.65,
12/06 13Z,   0.70,  -5.41,  99.90,  -5.36,  -0.65,
12/06 14Z,   0.80,  -7.18,  99.90,  -7.04,  -0.65,
12/06 15Z,   0.90,  -8.56,  99.90,  -8.31,  -0.65,
12/06 16Z,   0.90,  -9.06,  99.90,  -8.81,  -0.65,  (min)
12/06 17Z,   0.80,  -8.47,  99.90,  -8.33,  -0.65,
12/06 18Z,   0.80,  -6.88,  99.90,  -6.74,  -0.65,
12/06 19Z,   0.80,  -4.67,  99.90,  -4.53,  -0.65,
12/06 20Z,   0.80,  -2.43,  99.90,  -2.28,  -0.65,
12/06 21Z,   0.80,  -0.77,  99.90,  -0.62,  -0.65,
12/06 22Z,   0.80,  -0.21,  99.90,  -0.06,  -0.65,  (max)
12/06 23Z,   0.80,  -1.01,  99.90,  -0.87,  -0.65,
12/07 00Z,   0.80,  -3.13,  99.90,  -2.98,  -0.65,
12/07 01Z,   0.70,  -6.19,  99.90,  -6.14,  -0.65,
12/07 02Z,   0.70,  -9.57,  99.90,  -9.52,  -0.65,
12/07 03Z,   0.80, -12.59,  99.90, -12.44,  -0.65,
12/07 04Z,   0.80, -14.62,  99.90, -14.47,  -0.65,
12/07 05Z,   0.90, -15.27,  99.90, -15.02,  -0.65,  (min)
12/07 06Z,   0.90, -14.44,  99.90, -14.19,  -0.65,
12/07 07Z,   0.90, -12.39,  99.90, -12.14,  -0.65,
12/07 08Z,   0.80,  -9.62,  99.90,  -9.47,  -0.65,
12/07 09Z,   0.90,  -6.79,  99.90,  -6.54,  -0.65,
12/07 10Z,   1.00,  -4.51,  99.90,  -4.16,  -0.65,
12/07 11Z,   1.00,  -3.23,  99.90,  -2.89,  -0.65,
12/07 12Z,   1.10,  -3.14,  99.90,  -2.70,  -0.65,  (max)
12/07 13Z,   1.00,  -4.10,  99.90,  -3.75,  -0.65,
12/07 14Z,   1.10,  -5.70,  99.90,  -5.25,  -0.65,
12/07 15Z,   1.10,  -7.39,  99.90,  -6.94,  -0.65,
12/07 16Z,   1.20,  -8.61,  99.90,  -8.06,  -0.65,
12/07 17Z,   1.20,  -8.94,  99.90,  -8.40,  -0.65,  (min)
12/07 18Z,   1.20,  -8.24,  99.90,  -7.69,  -0.65,
12/07 19Z,   1.20,  -6.64,  99.90,  -6.09,  -0.65,
12/07 20Z,   1.30,  -4.54,  99.90,  -3.89,  -0.65,
12/07 21Z,   1.40,  -2.50,  99.90,  -1.75,  -0.65,
12/07 22Z,   1.40,  -1.11,  99.90,  -0.36,  -0.65,
12/07 23Z,   1.40,  -0.81,  99.90,  -0.06,  -0.65,  (max)
12/08 00Z,   1.30,  -1.79,  99.90,  -1.14,  -0.65,
12/08 01Z,   1.30,  -3.95,  99.90,  -3.31,  -0.65,
12/08 02Z,   1.20,  -6.89,  99.90,  -6.35,  -0.65,
12/08 03Z,   1.20, -10.02,  99.90,  -9.48,  -0.65,
12/08 04Z,   1.10, -12.69,  99.90, -12.24,  -0.65,
12/08 05Z,   1.10, -14.35,  99.90, -13.91,  -0.65,
12/08 06Z,   1.10, -14.68,  99.90, -14.24,  -0.65,  (min)
12/08 07Z,   1.10, -13.66,  99.90, -13.22,  -0.65,
12/08 08Z,   1.10, -11.58,  99.90, -11.13,  -0.65,
12/08 09Z,   1.20,  -8.93,  99.90,  -8.38,  -0.65,
12/08 10Z,   1.30,  -6.32,  99.90,  -5.67,  -0.65,
12/08 11Z,   1.40,  -4.32,  99.90,  -3.57,  -0.65,
12/08 12Z,   1.60,  -3.31,  99.90,  -2.36,  -0.65,
12/08 13Z,  99.90,  -3.40,  99.90,  99.90,  -0.65,
12/08 14Z,  99.90,  -4.42,  99.90,  99.90,  -0.65,
12/08 15Z,  99.90,  -5.96,  99.90,  99.90,  -0.65,
12/08 16Z,  99.90,  -7.52,  99.90,  99.90,  -0.65,
12/08 17Z,  99.90,  -8.58,  99.90,  99.90,  -0.65,
12/08 18Z,  99.90,  -8.80,  99.90,  99.90,  -0.65,