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
#Valdez, AK : 08/11/2026 22:21:12 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/10 06Z,   0.30,   5.61,   4.21,  99.90,  -1.70,
08/10 07Z,   0.30,   6.35,   5.05,  99.90,  -1.60,  (max)
08/10 08Z,   0.30,   5.98,   4.78,  99.90,  -1.50,
08/10 09Z,   0.30,   4.45,   3.21,  99.90,  -1.54,
08/10 10Z,   0.40,   1.97,   0.65,  99.90,  -1.72,
08/10 11Z,   0.40,  -1.06,  -2.48,  99.90,  -1.82,
08/10 12Z,   0.40,  -4.08,  -5.52,  99.90,  -1.84,
08/10 13Z,   0.30,  -6.47,  -7.79,  99.90,  -1.62,
08/10 14Z,   0.30,  -7.65,  -8.88,  99.90,  -1.53,  (min)
08/10 15Z,   0.20,  -7.34,  -8.59,  99.90,  -1.45,
08/10 16Z,   0.20,  -5.72,  -7.04,  99.90,  -1.52,
08/10 17Z,   0.30,  -3.31,  -4.74,  99.90,  -1.73,
08/10 18Z,   0.30,  -0.71,  -2.13,  99.90,  -1.72,
08/10 19Z,   0.30,   1.52,   0.11,  99.90,  -1.71,
08/10 20Z,   0.40,   2.98,   1.66,  99.90,  -1.72,
08/10 21Z,   0.40,   3.45,   2.13,  99.90,  -1.72,  (max)
08/10 22Z,   0.50,   2.90,   1.61,  99.90,  -1.79,
08/10 23Z,   0.50,   1.54,   0.16,  99.90,  -1.88,
08/11 00Z,   0.40,  -0.26,  -1.63,  99.90,  -1.77,
08/11 01Z,   0.40,  -1.89,  -3.21,  99.90,  -1.72,
08/11 02Z,   0.40,  -2.72,  -4.02,  99.90,  -1.70,  (min)
08/11 03Z,   0.40,  -2.31,  -3.70,  99.90,  -1.79,
08/11 04Z,   0.40,  -0.69,  -2.22,  99.90,  -1.93,
08/11 05Z,   0.40,   1.69,   0.14,  99.90,  -1.95,
08/11 06Z,   0.40,   4.15,   2.72,  99.90,  -1.83,
08/11 07Z,   0.50,   6.06,   4.75,  99.90,  -1.81,
08/11 08Z,   0.50,   6.95,   5.67,  99.90,  -1.78,  (max)
08/11 09Z,   0.50,   6.57,   5.30,  99.90,  -1.77,
08/11 10Z,   0.50,   4.87,   3.47,  99.90,  -1.90,
08/11 11Z,   0.40,   2.05,   0.63,  99.90,  -1.82,
08/11 12Z,   0.40,  -1.44,  -2.84,  99.90,  -1.80,
08/11 13Z,   0.40,  -4.91,  -6.21,  99.90,  -1.70,
08/11 14Z,   0.30,  -7.52,  -8.78,  99.90,  -1.56,
08/11 15Z,   0.30,  -8.59,  -9.93,  99.90,  -1.64,  (min)
08/11 16Z,   0.30,  -7.87,  -9.34,  99.90,  -1.77,
08/11 17Z,   0.30,  -5.70,  -7.24,  99.90,  -1.84,
08/11 18Z,   0.30,  -2.75,  -4.34,  99.90,  -1.89,
08/11 19Z,   0.40,   0.22,  -1.35,  99.90,  -1.97,
08/11 20Z,   0.40,   2.64,   1.14,  99.90,  -1.90,
08/11 21Z,   0.40,   4.09,   2.71,  99.90,  -1.78,
08/11 22Z,   0.40,   4.34,   2.94,  99.90,  -1.80,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/11 23Z,   0.50,   3.37,  99.90,   2.07,  -1.79,
08/12 00Z,   0.50,   1.42,  99.90,   0.13,  -1.79,
08/12 01Z,   0.40,  -0.96,  99.90,  -2.35,  -1.79,
08/12 02Z,   0.40,  -3.00,  99.90,  -4.38,  -1.78,
08/12 03Z,   0.40,  -3.90,  99.90,  -5.28,  -1.78,  (min)
08/12 04Z,   0.30,  -3.24,  99.90,  -4.71,  -1.77,
08/12 05Z,   0.30,  -1.18,  99.90,  -2.64,  -1.77,
08/12 06Z,   0.30,   1.65,  99.90,   0.18,  -1.76,
08/12 07Z,   0.30,   4.43,  99.90,   2.97,  -1.76,
08/12 08Z,   0.30,   6.50,  99.90,   5.04,  -1.75,
08/12 09Z,   0.30,   7.40,  99.90,   5.95,  -1.75,  (max)
08/12 10Z,   0.30,   6.87,  99.90,   5.42,  -1.75,
08/12 11Z,   0.30,   4.86,  99.90,   3.42,  -1.75,
08/12 12Z,   0.30,   1.62,  99.90,   0.18,  -1.75,
08/12 13Z,   0.30,  -2.27,  99.90,  -3.72,  -1.75,
08/12 14Z,   0.20,  -5.95,  99.90,  -7.49,  -1.75,
08/12 15Z,   0.10,  -8.45,  99.90, -10.09,  -1.75,
08/12 16Z,   0.10,  -9.08,  99.90, -10.72,  -1.75,  (min)
08/12 17Z,   0.10,  -7.75,  99.90,  -9.39,  -1.75,
08/12 18Z,   0.10,  -4.98,  99.90,  -6.63,  -1.75,
08/12 19Z,   0.10,  -1.62,  99.90,  -3.27,  -1.75,
08/12 20Z,   0.10,   1.54,  99.90,  -0.11,  -1.75,
08/12 21Z,   0.20,   3.92,  99.90,   2.38,  -1.75,
08/12 22Z,   0.20,   5.12,  99.90,   3.58,  -1.75,  (max)
08/12 23Z,   0.20,   4.92,  99.90,   3.38,  -1.75,
08/13 00Z,   0.20,   3.36,  99.90,   1.81,  -1.75,
08/13 01Z,   0.20,   0.79,  99.90,  -0.76,  -1.75,
08/13 02Z,   0.10,  -2.05,  99.90,  -3.70,  -1.75,
08/13 03Z,   0.10,  -4.24,  99.90,  -5.88,  -1.75,
08/13 04Z,   0.00,  -4.94,  99.90,  -6.69,  -1.75,  (min)
08/13 05Z,   0.00,  -3.86,  99.90,  -5.61,  -1.75,
08/13 06Z,   0.00,  -1.34,  99.90,  -3.09,  -1.75,
08/13 07Z,   0.00,   1.81,  99.90,   0.07,  -1.75,
08/13 08Z,   0.00,   4.74,  99.90,   3.00,  -1.75,
08/13 09Z,   0.00,   6.79,  99.90,   5.05,  -1.75,
08/13 10Z,   0.10,   7.52,  99.90,   5.87,  -1.75,  (max)
08/13 11Z,   0.10,   6.69,  99.90,   5.04,  -1.75,
08/13 12Z,   0.10,   4.30,  99.90,   2.65,  -1.75,
08/13 13Z,   0.10,   0.71,  99.90,  -0.94,  -1.75,
08/13 14Z,   0.10,  -3.36,  99.90,  -5.01,  -1.75,
08/13 15Z,   0.10,  -6.91,  99.90,  -8.55,  -1.75,
08/13 16Z,   0.00,  -8.94,  99.90, -10.69,  -1.75,  (min)
08/13 17Z,   0.00,  -8.89,  99.90, -10.64,  -1.75,
08/13 18Z,   0.00,  -6.89,  99.90,  -8.64,  -1.75,
08/13 19Z,   0.10,  -3.64,  99.90,  -5.29,  -1.75,
08/13 20Z,   0.10,  -0.07,  99.90,  -1.72,  -1.75,
08/13 21Z,   0.10,   3.03,  99.90,   1.39,  -1.75,
08/13 22Z,   0.10,   5.13,  99.90,   3.48,  -1.75,
08/13 23Z,   0.20,   5.84,  99.90,   4.29,  -1.75,  (max)
08/14 00Z,   0.20,   5.02,  99.90,   3.48,  -1.75,
08/14 01Z,   0.20,   2.82,  99.90,   1.28,  -1.75,
08/14 02Z,   0.20,  -0.23,  99.90,  -1.78,  -1.75,
08/14 03Z,   0.30,  -3.28,  99.90,  -4.72,  -1.75,
08/14 04Z,   0.30,  -5.32,  99.90,  -6.76,  -1.75,
08/14 05Z,   0.30,  -5.62,  99.90,  -7.07,  -1.75,  (min)
08/14 06Z,   0.40,  -4.07,  99.90,  -5.41,  -1.75,
08/14 07Z,   0.40,  -1.20,  99.90,  -2.54,  -1.75,
08/14 08Z,   0.50,   2.10,  99.90,   0.85,  -1.75,
08/14 09Z,   0.50,   4.97,  99.90,   3.72,  -1.75,
08/14 10Z,   0.40,   6.79,  99.90,   5.44,  -1.75,
08/14 11Z,   0.40,   7.18,  99.90,   5.83,  -1.75,  (max)
08/14 12Z,   0.40,   5.95,  99.90,   4.61,  -1.75,
08/14 13Z,   0.40,   3.23,  99.90,   1.89,  -1.75,
08/14 14Z,   0.40,  -0.50,  99.90,  -1.85,  -1.75,
08/14 15Z,   0.50,  -4.42,  99.90,  -5.67,  -1.75,
08/14 16Z,   0.50,  -7.48,  99.90,  -8.72,  -1.75,
08/14 17Z,   0.50,  -8.78,  99.90, -10.03,  -1.75,  (min)
08/14 18Z,   0.60,  -7.97,  99.90,  -9.12,  -1.75,
08/14 19Z,   0.60,  -5.38,  99.90,  -6.53,  -1.75,
08/14 20Z,   0.60,  -1.86,  99.90,  -3.01,  -1.75,
08/14 21Z,   0.70,   1.65,  99.90,   0.60,  -1.75,
08/14 22Z,   0.70,   4.43,  99.90,   3.38,  -1.75,
08/14 23Z,   0.70,   5.98,  99.90,   4.94,  -1.75,
08/15 00Z,   0.70,   6.05,  99.90,   5.00,  -1.75,  (max)
08/15 01Z,   0.60,   4.58,  99.90,   3.44,  -1.75,
08/15 02Z,   0.60,   1.87,  99.90,   0.73,  -1.75,
08/15 03Z,   0.60,  -1.42,  99.90,  -2.56,  -1.75,
08/15 04Z,   0.60,  -4.36,  99.90,  -5.51,  -1.75,
08/15 05Z,   0.60,  -6.03,  99.90,  -7.17,  -1.75,  (min)
08/15 06Z,   0.70,  -5.83,  99.90,  -6.88,  -1.75,
08/15 07Z,   0.70,  -3.87,  99.90,  -4.92,  -1.75,
08/15 08Z,   0.80,  -0.82,  99.90,  -1.77,  -1.75,
08/15 09Z,   0.80,   2.39,  99.90,   1.45,  -1.75,
08/15 10Z,   0.90,   4.97,  99.90,   4.12,  -1.75,
08/15 11Z,   0.80,   6.38,  99.90,   5.43,  -1.75,  (max)
08/15 12Z,   0.80,   6.33,  99.90,   5.38,  -1.75,
08/15 13Z,  99.90,   4.76,  99.90,  99.90,  -1.75,
08/15 14Z,  99.90,   1.89,  99.90,  99.90,  -1.75,
08/15 15Z,  99.90,  -1.70,  99.90,  99.90,  -1.75,
08/15 16Z,  99.90,  -5.13,  99.90,  99.90,  -1.75,
08/15 17Z,  99.90,  -7.45,  99.90,  99.90,  -1.75,
08/15 18Z,  99.90,  -7.92,  99.90,  99.90,  -1.75,