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 : 04/17/2025 22:23:16 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/16 06Z,   0.20,  -8.93,  -9.98,  99.90,  -1.25,  (min)
04/16 07Z,   0.30,  -7.53,  -8.52,  99.90,  -1.29,
04/16 08Z,   0.30,  -5.21,  -6.16,  99.90,  -1.25,
04/16 09Z,   0.50,  -2.69,  -3.56,  99.90,  -1.37,
04/16 10Z,   0.50,  -0.75,  -1.65,  99.90,  -1.40,
04/16 11Z,   0.60,   0.13,  -0.86,  99.90,  -1.59,  (max)
04/16 12Z,   0.30,  -0.20,  -1.15,  99.90,  -1.25,
04/16 13Z,   0.30,  -1.66,  -2.50,  99.90,  -1.14,
04/16 14Z,   0.40,  -3.99,  -4.81,  99.90,  -1.22,
04/16 15Z,   0.40,  -6.82,  -7.53,  99.90,  -1.11,
04/16 16Z,   0.40,  -9.59, -10.22,  99.90,  -1.03,
04/16 17Z,   0.40, -11.71, -12.31,  99.90,  -1.00,
04/16 18Z,   0.50, -12.63, -13.26,  99.90,  -1.13,  (min)
04/16 19Z,   0.70, -12.09, -12.70,  99.90,  -1.31,
04/16 20Z,   0.70, -10.25, -10.79,  99.90,  -1.24,
04/16 21Z,   0.70,  -7.72,  -8.15,  99.90,  -1.13,
04/16 22Z,   0.70,  -5.26,  -5.64,  99.90,  -1.08,
04/16 23Z,   0.70,  -3.47,  -3.80,  99.90,  -1.03,
04/17 00Z,   1.00,  -2.62,  -3.09,  99.90,  -1.47,
04/17 01Z,   1.00,  -2.71,  -2.99,  99.90,  -1.28,  (max)
04/17 02Z,   1.10,  -3.62,  -3.94,  99.90,  -1.42,
04/17 03Z,   1.10,  -5.09,  -5.34,  99.90,  -1.35,
04/17 04Z,   1.00,  -6.72,  -6.81,  99.90,  -1.09,
04/17 05Z,   1.10,  -8.01,  -7.98,  99.90,  -1.07,
04/17 06Z,   1.70,  -8.48,  -8.57,  99.90,  -1.79,  (min)
04/17 07Z,   1.70,  -7.81,  -8.03,  99.90,  -1.92,
04/17 08Z,   1.70,  -6.08,  -6.55,  99.90,  -2.17,
04/17 09Z,   1.60,  -3.80,  -4.26,  99.90,  -2.06,
04/17 10Z,   1.40,  -1.70,  -2.00,  99.90,  -1.70,
04/17 11Z,   1.10,  -0.43,  -0.60,  99.90,  -1.27,
04/17 12Z,   1.70,  -0.25,  -0.43,  99.90,  -1.88,  (max)
04/17 13Z,   1.50,  -1.13,  -1.38,  99.90,  -1.75,
04/17 14Z,   1.20,  -2.90,  -3.36,  99.90,  -1.66,
04/17 15Z,   1.00,  -5.27,  -5.70,  99.90,  -1.43,
04/17 16Z,   0.90,  -7.87,  -8.11,  99.90,  -1.14,
04/17 17Z,   0.80, -10.22, -10.40,  99.90,  -0.98,
04/17 18Z,   0.80, -11.76, -12.02,  99.90,  -1.06,
04/17 19Z,   1.00, -12.11, -12.42,  99.90,  -1.31,  (min)
04/17 20Z,   1.20, -11.14, -11.51,  99.90,  -1.57,
04/17 21Z,   1.40,  -9.18,  -9.54,  99.90,  -1.76,
04/17 22Z,   1.60,  -6.89,  -7.25,  99.90,  -1.96,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/17 23Z,   1.80,  -4.92,  99.90,  -5.04,  -1.92,
04/18 00Z,   1.80,  -3.68,  99.90,  -3.76,  -1.87,
04/18 01Z,   1.70,  -3.26,  99.90,  -3.38,  -1.83,  (max)
04/18 02Z,   1.60,  -3.55,  99.90,  -3.73,  -1.78,
04/18 03Z,   1.40,  -4.43,  99.90,  -4.76,  -1.73,
04/18 04Z,   1.30,  -5.66,  99.90,  -6.05,  -1.69,
04/18 05Z,   1.10,  -6.91,  99.90,  -7.45,  -1.64,
04/18 06Z,   1.00,  -7.72,  99.90,  -8.31,  -1.59,  (min)
04/18 07Z,   1.00,  -7.70,  99.90,  -8.25,  -1.55,
04/18 08Z,   1.00,  -6.68,  99.90,  -7.18,  -1.50,
04/18 09Z,   1.10,  -4.89,  99.90,  -5.24,  -1.46,
04/18 10Z,   1.20,  -2.88,  99.90,  -3.09,  -1.41,
04/18 11Z,   1.30,  -1.34,  99.90,  -1.45,  -1.41,
04/18 12Z,   1.30,  -0.69,  99.90,  -0.80,  -1.41,  (max)
04/18 13Z,   1.20,  -1.02,  99.90,  -1.23,  -1.41,
04/18 14Z,   1.20,  -2.17,  99.90,  -2.38,  -1.41,
04/18 15Z,   1.10,  -3.96,  99.90,  -4.27,  -1.41,
04/18 16Z,   1.00,  -6.15,  99.90,  -6.56,  -1.41,
04/18 17Z,   1.00,  -8.43,  99.90,  -8.84,  -1.41,
04/18 18Z,   0.90, -10.35,  99.90, -10.86,  -1.41,
04/18 19Z,   1.00, -11.45,  99.90, -11.86,  -1.41,  (min)
04/18 20Z,   1.00, -11.41,  99.90, -11.82,  -1.41,
04/18 21Z,   1.00, -10.27,  99.90, -10.68,  -1.41,
04/18 22Z,   1.00,  -8.44,  99.90,  -8.85,  -1.41,
04/18 23Z,   1.00,  -6.54,  99.90,  -6.95,  -1.41,
04/19 00Z,   1.10,  -5.06,  99.90,  -5.37,  -1.41,
04/19 01Z,   1.10,  -4.22,  99.90,  -4.53,  -1.41,
04/19 02Z,   1.10,  -3.97,  99.90,  -4.28,  -1.41,  (max)
04/19 03Z,   1.10,  -4.22,  99.90,  -4.53,  -1.41,
04/19 04Z,   1.00,  -4.89,  99.90,  -5.30,  -1.41,
04/19 05Z,   1.00,  -5.84,  99.90,  -6.25,  -1.41,
04/19 06Z,   0.90,  -6.75,  99.90,  -7.26,  -1.41,
04/19 07Z,   0.90,  -7.22,  99.90,  -7.73,  -1.41,  (min)
04/19 08Z,   0.80,  -6.91,  99.90,  -7.53,  -1.41,
04/19 09Z,   0.70,  -5.80,  99.90,  -6.51,  -1.41,
04/19 10Z,   0.80,  -4.17,  99.90,  -4.78,  -1.41,
04/19 11Z,   0.80,  -2.59,  99.90,  -3.20,  -1.41,
04/19 12Z,   0.90,  -1.58,  99.90,  -2.09,  -1.41,
04/19 13Z,   0.80,  -1.36,  99.90,  -1.97,  -1.41,  (max)
04/19 14Z,   0.70,  -1.89,  99.90,  -2.60,  -1.41,
04/19 15Z,   0.60,  -3.02,  99.90,  -3.83,  -1.41,
04/19 16Z,   0.60,  -4.62,  99.90,  -5.43,  -1.41,
04/19 17Z,   0.60,  -6.56,  99.90,  -7.37,  -1.41,
04/19 18Z,   0.60,  -8.55,  99.90,  -9.36,  -1.41,
04/19 19Z,   0.60, -10.16,  99.90, -10.97,  -1.41,
04/19 20Z,   0.60, -10.98,  99.90, -11.79,  -1.41,  (min)
04/19 21Z,   0.60, -10.79,  99.90, -11.60,  -1.41,
04/19 22Z,   0.60,  -9.71,  99.90, -10.52,  -1.41,
04/19 23Z,   0.50,  -8.17,  99.90,  -9.08,  -1.41,
04/20 00Z,   0.50,  -6.66,  99.90,  -7.57,  -1.41,
04/20 01Z,   0.50,  -5.51,  99.90,  -6.42,  -1.41,
04/20 02Z,   0.40,  -4.78,  99.90,  -5.79,  -1.41,
04/20 03Z,   0.40,  -4.43,  99.90,  -5.44,  -1.41,  (max)
04/20 04Z,   0.40,  -4.47,  99.90,  -5.48,  -1.41,
04/20 05Z,   0.40,  -4.92,  99.90,  -5.94,  -1.41,
04/20 06Z,   0.40,  -5.67,  99.90,  -6.68,  -1.41,
04/20 07Z,   0.50,  -6.40,  99.90,  -7.31,  -1.41,
04/20 08Z,   0.60,  -6.72,  99.90,  -7.53,  -1.41,  (min)
04/20 09Z,   0.60,  -6.38,  99.90,  -7.19,  -1.41,
04/20 10Z,   0.60,  -5.39,  99.90,  -6.20,  -1.41,
04/20 11Z,   0.50,  -4.09,  99.90,  -5.00,  -1.41,
04/20 12Z,   0.50,  -2.93,  99.90,  -3.84,  -1.41,
04/20 13Z,   0.40,  -2.26,  99.90,  -3.27,  -1.41,
04/20 14Z,   0.40,  -2.17,  99.90,  -3.18,  -1.41,  (max)
04/20 15Z,   0.30,  -2.58,  99.90,  -3.69,  -1.41,
04/20 16Z,   0.20,  -3.46,  99.90,  -4.67,  -1.41,
04/20 17Z,   0.20,  -4.82,  99.90,  -6.03,  -1.41,
04/20 18Z,   0.30,  -6.55,  99.90,  -7.66,  -1.41,
04/20 19Z,   0.30,  -8.37,  99.90,  -9.48,  -1.41,
04/20 20Z,   0.40,  -9.84,  99.90, -10.85,  -1.41,
04/20 21Z,   0.50, -10.58,  99.90, -11.49,  -1.41,  (min)
04/20 22Z,   0.60, -10.44,  99.90, -11.25,  -1.41,
04/20 23Z,   0.70,  -9.58,  99.90, -10.29,  -1.41,
04/21 00Z,   0.70,  -8.33,  99.90,  -9.04,  -1.41,
04/21 01Z,   0.60,  -7.04,  99.90,  -7.85,  -1.41,
04/21 02Z,   0.50,  -5.92,  99.90,  -6.83,  -1.41,
04/21 03Z,   0.30,  -5.02,  99.90,  -6.13,  -1.41,
04/21 04Z,   0.20,  -4.40,  99.90,  -5.61,  -1.41,
04/21 05Z,   0.20,  -4.23,  99.90,  -5.44,  -1.41,  (max)
04/21 06Z,   0.30,  -4.57,  99.90,  -5.68,  -1.41,
04/21 07Z,   0.40,  -5.30,  99.90,  -6.31,  -1.41,
04/21 08Z,   0.50,  -6.06,  99.90,  -6.97,  -1.41,
04/21 09Z,   0.60,  -6.48,  99.90,  -7.29,  -1.41,  (min)
04/21 10Z,   0.70,  -6.32,  99.90,  -7.03,  -1.41,
04/21 11Z,   0.70,  -5.64,  99.90,  -6.35,  -1.41,
04/21 12Z,   0.60,  -4.69,  99.90,  -5.50,  -1.41,
04/21 13Z,  99.90,  -3.77,  99.90,  99.90,  -1.41,
04/21 14Z,  99.90,  -3.12,  99.90,  99.90,  -1.41,
04/21 15Z,  99.90,  -2.81,  99.90,  99.90,  -1.41,
04/21 16Z,  99.90,  -2.89,  99.90,  99.90,  -1.41,
04/21 17Z,  99.90,  -3.46,  99.90,  99.90,  -1.41,
04/21 18Z,  99.90,  -4.62,  99.90,  99.90,  -1.41,