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
#Elfin Cove, AK : 08/16/2026 13:21:07 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/14 18Z,  -0.40,  -6.21,  -7.76,  99.90,  -1.15,  (min)
08/14 19Z,  -0.40,  -3.74,  -5.27,  99.90,  -1.13,
08/14 20Z,  -0.40,  -0.56,  -2.00,  99.90,  -1.04,
08/14 21Z,  -0.40,   2.58,   0.99,  99.90,  -1.19,
08/14 22Z,  -0.40,   4.92,   3.29,  99.90,  -1.23,
08/14 23Z,  -0.30,   5.86,   4.25,  99.90,  -1.31,  (max)
08/15 00Z,  -0.30,   5.20,   3.51,  99.90,  -1.39,
08/15 01Z,  -0.30,   3.24,   1.47,  99.90,  -1.47,
08/15 02Z,  -0.30,   0.58,  -1.34,  99.90,  -1.62,
08/15 03Z,  -0.30,  -2.07,  -3.98,  99.90,  -1.61,
08/15 04Z,  -0.30,  -4.04,  -5.88,  99.90,  -1.54,
08/15 05Z,  -0.20,  -4.81,  -6.67,  99.90,  -1.66,  (min)
08/15 06Z,  -0.20,  -4.19,  -5.89,  99.90,  -1.50,
08/15 07Z,  -0.30,  -2.32,  -4.02,  99.90,  -1.40,
08/15 08Z,  -0.30,   0.35,  -1.33,  99.90,  -1.38,
08/15 09Z,  -0.30,   3.11,   1.36,  99.90,  -1.45,
08/15 10Z,  -0.30,   5.23,   3.42,  99.90,  -1.51,
08/15 11Z,  -0.30,   6.09,   4.30,  99.90,  -1.49,  (max)
08/15 12Z,  -0.30,   5.36,   3.52,  99.90,  -1.54,
08/15 13Z,  -0.30,   3.23,   1.35,  99.90,  -1.58,
08/15 14Z,  -0.30,   0.26,  -1.65,  99.90,  -1.61,
08/15 15Z,  -0.30,  -2.81,  -4.62,  99.90,  -1.51,
08/15 16Z,  -0.40,  -5.28,  -7.05,  99.90,  -1.37,
08/15 17Z,  -0.30,  -6.55,  -8.28,  99.90,  -1.43,  (min)
08/15 18Z,  -0.30,  -6.34,  -7.93,  99.90,  -1.29,
08/15 19Z,  -0.30,  -4.68,  -6.22,  99.90,  -1.24,
08/15 20Z,  -0.30,  -1.96,  -3.47,  99.90,  -1.21,
08/15 21Z,  -0.30,   1.15,  -0.46,  99.90,  -1.31,
08/15 22Z,  -0.30,   3.90,   2.29,  99.90,  -1.31,
08/15 23Z,  -0.30,   5.62,   3.95,  99.90,  -1.37,
08/16 00Z,  -0.30,   5.87,   4.22,  99.90,  -1.35,  (max)
08/16 01Z,  -0.30,   4.62,   2.90,  99.90,  -1.42,
08/16 02Z,  -0.40,   2.30,   0.38,  99.90,  -1.52,
08/16 03Z,  -0.30,  -0.45,  -2.34,  99.90,  -1.59,
08/16 04Z,  -0.30,  -2.95,  -4.88,  99.90,  -1.63,
08/16 05Z,  -0.30,  -4.59,  -6.52,  99.90,  -1.63,
08/16 06Z,  -0.30,  -4.99,  -6.85,  99.90,  -1.56,  (min)
08/16 07Z,  -0.30,  -4.05,  -5.86,  99.90,  -1.51,
08/16 08Z,  -0.30,  -2.01,  -3.72,  99.90,  -1.41,
08/16 09Z,  -0.30,   0.59,  -1.19,  99.90,  -1.48,
08/16 10Z,  -0.30,   3.06,   1.17,  99.90,  -1.59,
08/16 11Z,  -0.30,   4.73,   2.86,  99.90,  -1.57,
08/16 12Z,  -0.40,   5.15,   3.31,  99.90,  -1.44,  (max)
08/16 13Z,  -0.30,   4.14,   2.25,  99.90,  -1.59,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/16 14Z,  -0.30,   2.00,  99.90,   0.14,  -1.56,
08/16 15Z,  -0.30,  -0.68,  99.90,  -2.52,  -1.53,
08/16 16Z,  -0.30,  -3.23,  99.90,  -5.03,  -1.51,
08/16 17Z,  -0.30,  -5.02,  99.90,  -6.80,  -1.48,
08/16 18Z,  -0.40,  -5.61,  99.90,  -7.46,  -1.45,  (min)
08/16 19Z,  -0.30,  -4.85,  99.90,  -6.57,  -1.42,
08/16 20Z,  -0.30,  -2.87,  99.90,  -4.56,  -1.39,
08/16 21Z,  -0.30,  -0.16,  99.90,  -1.83,  -1.37,
08/16 22Z,  -0.30,   2.60,  99.90,   0.96,  -1.34,
08/16 23Z,  -0.30,   4.75,  99.90,   3.14,  -1.31,
08/17 00Z,  -0.30,   5.76,  99.90,   4.18,  -1.28,  (max)
08/17 01Z,  -0.30,   5.37,  99.90,   3.82,  -1.25,
08/17 02Z,  -0.40,   3.71,  99.90,   2.05,  -1.25,
08/17 03Z,  -0.30,   1.25,  99.90,  -0.31,  -1.25,
08/17 04Z,  -0.30,  -1.37,  99.90,  -2.93,  -1.25,
08/17 05Z,  -0.40,  -3.54,  99.90,  -5.20,  -1.25,
08/17 06Z,  -0.30,  -4.78,  99.90,  -6.34,  -1.25,
08/17 07Z,  -0.30,  -4.82,  99.90,  -6.37,  -1.25,  (min)
08/17 08Z,  -0.30,  -3.67,  99.90,  -5.22,  -1.25,
08/17 09Z,  -0.30,  -1.64,  99.90,  -3.19,  -1.25,
08/17 10Z,  -0.30,   0.69,  99.90,  -0.86,  -1.25,
08/17 11Z,  -0.20,   2.71,  99.90,   1.25,  -1.25,
08/17 12Z,  -0.20,   3.90,  99.90,   2.45,  -1.25,
08/17 13Z,  -0.20,   3.96,  99.90,   2.50,  -1.25,  (max)
08/17 14Z,  -0.20,   2.84,  99.90,   1.38,  -1.25,
08/17 15Z,  -0.30,   0.89,  99.90,  -0.66,  -1.25,
08/17 16Z,  -0.30,  -1.31,  99.90,  -2.86,  -1.25,
08/17 17Z,  -0.30,  -3.19,  99.90,  -4.75,  -1.25,
08/17 18Z,  -0.40,  -4.29,  99.90,  -5.94,  -1.25,  (min)
08/17 19Z,  -0.30,  -4.29,  99.90,  -5.85,  -1.25,
08/17 20Z,  -0.30,  -3.14,  99.90,  -4.70,  -1.25,
08/17 21Z,  -0.30,  -1.09,  99.90,  -2.65,  -1.25,
08/17 22Z,  -0.30,   1.35,  99.90,  -0.21,  -1.25,
08/17 23Z,  -0.30,   3.56,  99.90,   2.01,  -1.25,
08/18 00Z,  -0.30,   5.03,  99.90,   3.48,  -1.25,
08/18 01Z,  -0.30,   5.40,  99.90,   3.84,  -1.25,  (max)
08/18 02Z,  -0.30,   4.54,  99.90,   2.98,  -1.25,
08/18 03Z,  -0.40,   2.67,  99.90,   1.01,  -1.25,
08/18 04Z,  -0.40,   0.30,  99.90,  -1.36,  -1.25,
08/18 05Z,  -0.40,  -2.02,  99.90,  -3.67,  -1.25,
08/18 06Z,  -0.40,  -3.78,  99.90,  -5.44,  -1.25,
08/18 07Z,  -0.40,  -4.64,  99.90,  -6.29,  -1.25,  (min)
08/18 08Z,  -0.40,  -4.41,  99.90,  -6.06,  -1.25,
08/18 09Z,  -0.40,  -3.20,  99.90,  -4.85,  -1.25,
08/18 10Z,  -0.40,  -1.38,  99.90,  -3.03,  -1.25,
08/18 11Z,  -0.40,   0.54,  99.90,  -1.12,  -1.25,
08/18 12Z,  -0.40,   2.07,  99.90,   0.42,  -1.25,
08/18 13Z,  -0.40,   2.86,  99.90,   1.21,  -1.25,  (max)
08/18 14Z,  -0.40,   2.72,  99.90,   1.06,  -1.25,
08/18 15Z,  -0.40,   1.68,  99.90,   0.03,  -1.25,
08/18 16Z,  -0.40,   0.12,  99.90,  -1.53,  -1.25,
08/18 17Z,  -0.40,  -1.49,  99.90,  -3.15,  -1.25,
08/18 18Z,  -0.40,  -2.73,  99.90,  -4.38,  -1.25,
08/18 19Z,  -0.50,  -3.23,  99.90,  -4.99,  -1.25,  (min)
08/18 20Z,  -0.50,  -2.82,  99.90,  -4.57,  -1.25,
08/18 21Z,  -0.50,  -1.52,  99.90,  -3.27,  -1.25,
08/18 22Z,  -0.40,   0.36,  99.90,  -1.29,  -1.25,
08/18 23Z,  -0.40,   2.35,  99.90,   0.69,  -1.25,
08/19 00Z,  -0.40,   3.96,  99.90,   2.30,  -1.25,
08/19 01Z,  -0.30,   4.82,  99.90,   3.27,  -1.25,  (max)
08/19 02Z,  -0.40,   4.71,  99.90,   3.06,  -1.25,
08/19 03Z,  -0.40,   3.60,  99.90,   1.95,  -1.25,
08/19 04Z,  -0.40,   1.76,  99.90,   0.11,  -1.25,
08/19 05Z,  -0.40,  -0.35,  99.90,  -2.01,  -1.25,
08/19 06Z,  -0.50,  -2.29,  99.90,  -4.04,  -1.25,
08/19 07Z,  -0.50,  -3.68,  99.90,  -5.43,  -1.25,
08/19 08Z,  -0.50,  -4.25,  99.90,  -6.00,  -1.25,  (min)
08/19 09Z,  -0.50,  -3.92,  99.90,  -5.67,  -1.25,
08/19 10Z,  -0.50,  -2.84,  99.90,  -4.60,  -1.25,
08/19 11Z,  -0.50,  -1.36,  99.90,  -3.12,  -1.25,
08/19 12Z,  -0.50,   0.11,  99.90,  -1.64,  -1.25,
08/19 13Z,  -0.40,   1.25,  99.90,  -0.41,  -1.25,
08/19 14Z,  -0.50,   1.80,  99.90,   0.05,  -1.25,  (max)
08/19 15Z,  -0.50,   1.64,  99.90,  -0.11,  -1.25,
08/19 16Z,  -0.50,   0.87,  99.90,  -0.88,  -1.25,
08/19 17Z,  -0.50,  -0.21,  99.90,  -1.97,  -1.25,
08/19 18Z,  -0.50,  -1.26,  99.90,  -3.01,  -1.25,
08/19 19Z,  -0.50,  -1.95,  99.90,  -3.71,  -1.25,
08/19 20Z,  -0.60,  -2.06,  99.90,  -3.91,  -1.25,  (min)
08/19 21Z,  -0.60,  -1.46,  99.90,  -3.31,  -1.25,
08/19 22Z,  -0.60,  -0.25,  99.90,  -2.11,  -1.25,
08/19 23Z,  -0.60,   1.28,  99.90,  -0.57,  -1.25,
08/20 00Z,  -0.50,   2.77,  99.90,   1.02,  -1.25,
08/20 01Z,  -0.50,   3.86,  99.90,   2.11,  -1.25,
08/20 02Z,  -0.50,   4.31,  99.90,   2.55,  -1.25,  (max)
08/20 03Z,  -0.50,   3.95,  99.90,   2.20,  -1.25,
08/20 04Z,  -0.50,   2.83,  99.90,   1.07,  -1.25,
08/20 05Z,  -0.50,   1.18,  99.90,  -0.57,  -1.25,
08/20 06Z,  -0.50,  -0.62,  99.90,  -2.37,  -1.25,