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 : 05/16/2025 21:21:23 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/15 06Z,  -0.40,   4.88,   3.47,  99.90,  -1.01,  (min)
05/15 07Z,  -0.50,   6.31,   5.12,  99.90,  -0.69,
05/15 08Z,  -0.50,   8.12,   7.10,  99.90,  -0.52,
05/15 09Z,  -0.50,   9.81,   8.76,  99.90,  -0.55,
05/15 10Z,  -0.50,  10.86,  10.00,  99.90,  -0.36,  (max)
05/15 11Z,  -0.50,  10.92,   9.93,  99.90,  -0.49,
05/15 12Z,  -0.40,   9.84,   8.79,  99.90,  -0.65,
05/15 13Z,  -0.50,   7.77,   6.55,  99.90,  -0.72,
05/15 14Z,  -0.50,   5.17,   3.96,  99.90,  -0.71,
05/15 15Z,  -0.50,   2.63,   1.38,  99.90,  -0.75,
05/15 16Z,  -0.50,   0.63,  -0.65,  99.90,  -0.78,
05/15 17Z,  -0.40,  -0.44,  -1.67,  99.90,  -0.83,  (min)
05/15 18Z,  -0.30,  -0.42,  -1.53,  99.90,  -0.81,
05/15 19Z,  -0.40,   0.66,  -0.36,  99.90,  -0.62,
05/15 20Z,  -0.50,   2.54,   1.70,  99.90,  -0.34,
05/15 21Z,  -0.40,   4.75,   3.98,  99.90,  -0.37,
05/15 22Z,  -0.40,   6.78,   5.99,  99.90,  -0.39,
05/15 23Z,  -0.30,   8.20,   7.32,  99.90,  -0.58,
05/16 00Z,  -0.20,   8.74,   7.82,  99.90,  -0.72,  (max)
05/16 01Z,  -0.30,   8.37,   7.30,  99.90,  -0.77,
05/16 02Z,  -0.30,   7.33,   6.17,  99.90,  -0.86,
05/16 03Z,  -0.20,   6.07,   4.89,  99.90,  -0.98,
05/16 04Z,  -0.20,   5.00,   3.81,  99.90,  -0.99,
05/16 05Z,  -0.10,   4.45,   3.32,  99.90,  -1.03,  (min)
05/16 06Z,  -0.10,   4.62,   3.65,  99.90,  -0.87,
05/16 07Z,  -0.20,   5.54,   4.77,  99.90,  -0.57,
05/16 08Z,  -0.20,   7.04,   6.40,  99.90,  -0.44,
05/16 09Z,  -0.10,   8.73,   8.24,  99.90,  -0.39,
05/16 10Z,  -0.10,  10.12,   9.63,  99.90,  -0.39,
05/16 11Z,   0.00,  10.76,  10.26,  99.90,  -0.50,  (max)
05/16 12Z,  -0.20,  10.39,   9.79,  99.90,  -0.40,
05/16 13Z,  -0.20,   8.99,   8.18,  99.90,  -0.61,
05/16 14Z,  -0.20,   6.78,   5.83,  99.90,  -0.75,
05/16 15Z,  -0.20,   4.26,   3.36,  99.90,  -0.70,
05/16 16Z,  -0.10,   1.98,   0.97,  99.90,  -0.91,
05/16 17Z,   0.00,   0.36,  -0.62,  99.90,  -0.98,
05/16 18Z,   0.00,  -0.32,  -1.23,  99.90,  -0.91,  (min)
05/16 19Z,   0.00,   0.03,  -0.78,  99.90,  -0.81,
05/16 20Z,   0.00,   1.33,   0.75,  99.90,  -0.58,
05/16 21Z,   0.00,   3.26,   2.72,  99.90,  -0.54,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/16 22Z,   0.00,   5.35,  99.90,   4.80,  -0.56,
05/16 23Z,   0.00,   7.12,  99.90,   6.54,  -0.58,
05/17 00Z,  -0.10,   8.23,  99.90,   7.53,  -0.59,
05/17 01Z,  -0.20,   8.51,  99.90,   7.70,  -0.61,  (max)
05/17 02Z,  -0.20,   7.99,  99.90,   7.16,  -0.63,
05/17 03Z,  -0.20,   6.97,  99.90,   6.12,  -0.64,
05/17 04Z,  -0.20,   5.85,  99.90,   4.99,  -0.66,
05/17 05Z,  -0.20,   5.02,  99.90,   4.14,  -0.68,
05/17 06Z,  -0.20,   4.70,  99.90,   3.81,  -0.70,  (min)
05/17 07Z,  -0.20,   5.06,  99.90,   4.15,  -0.71,
05/17 08Z,  -0.20,   6.07,  99.90,   5.14,  -0.73,
05/17 09Z,  -0.30,   7.53,  99.90,   6.49,  -0.75,
05/17 10Z,  -0.20,   9.04,  99.90,   8.09,  -0.75,
05/17 11Z,  -0.20,  10.11,  99.90,   9.17,  -0.75,
05/17 12Z,  -0.30,  10.41,  99.90,   9.36,  -0.75,  (max)
05/17 13Z,  -0.30,   9.76,  99.90,   8.71,  -0.75,
05/17 14Z,  -0.40,   8.19,  99.90,   7.04,  -0.75,
05/17 15Z,  -0.50,   5.98,  99.90,   4.74,  -0.75,
05/17 16Z,  -0.50,   3.64,  99.90,   2.40,  -0.75,
05/17 17Z,  -0.60,   1.65,  99.90,   0.30,  -0.75,
05/17 18Z,  -0.50,   0.35,  99.90,  -0.90,  -0.75,
05/17 19Z,  -0.60,  -0.04,  99.90,  -1.39,  -0.75,  (min)
05/17 20Z,  -0.50,   0.55,  99.90,  -0.70,  -0.75,
05/17 21Z,  -0.50,   1.96,  99.90,   0.72,  -0.75,
05/17 22Z,  -0.50,   3.87,  99.90,   2.62,  -0.75,
05/17 23Z,  -0.50,   5.79,  99.90,   4.55,  -0.75,
05/18 00Z,  -0.50,   7.33,  99.90,   6.09,  -0.75,
05/18 01Z,  -0.50,   8.22,  99.90,   6.98,  -0.75,
05/18 02Z,  -0.50,   8.35,  99.90,   7.10,  -0.75,  (max)
05/18 03Z,  -0.50,   7.77,  99.90,   6.52,  -0.75,
05/18 04Z,  -0.50,   6.79,  99.90,   5.54,  -0.75,
05/18 05Z,  -0.50,   5.80,  99.90,   4.55,  -0.75,
05/18 06Z,  -0.50,   5.10,  99.90,   3.85,  -0.75,
05/18 07Z,  -0.50,   4.90,  99.90,   3.66,  -0.75,  (min)
05/18 08Z,  -0.50,   5.33,  99.90,   4.09,  -0.75,
05/18 09Z,  -0.50,   6.35,  99.90,   5.10,  -0.75,
05/18 10Z,  -0.50,   7.70,  99.90,   6.45,  -0.75,
05/18 11Z,  -0.60,   8.99,  99.90,   7.65,  -0.75,
05/18 12Z,  -0.60,   9.83,  99.90,   8.48,  -0.75,
05/18 13Z,  -0.60,   9.92,  99.90,   8.57,  -0.75,  (max)
05/18 14Z,  -0.60,   9.14,  99.90,   7.79,  -0.75,
05/18 15Z,  -0.70,   7.55,  99.90,   6.10,  -0.75,
05/18 16Z,  -0.70,   5.45,  99.90,   4.00,  -0.75,
05/18 17Z,  -0.70,   3.32,  99.90,   1.87,  -0.75,
05/18 18Z,  -0.70,   1.58,  99.90,   0.13,  -0.75,
05/18 19Z,  -0.70,   0.52,  99.90,  -0.93,  -0.75,
05/18 20Z,  -0.70,   0.34,  99.90,  -1.11,  -0.75,  (min)
05/18 21Z,  -0.60,   1.07,  99.90,  -0.28,  -0.75,
05/18 22Z,  -0.60,   2.52,  99.90,   1.18,  -0.75,
05/18 23Z,  -0.60,   4.36,  99.90,   3.01,  -0.75,
05/19 00Z,  -0.50,   6.16,  99.90,   4.91,  -0.75,
05/19 01Z,  -0.50,   7.57,  99.90,   6.32,  -0.75,
05/19 02Z,  -0.50,   8.34,  99.90,   7.09,  -0.75,
05/19 03Z,  -0.50,   8.37,  99.90,   7.12,  -0.75,  (max)
05/19 04Z,  -0.50,   7.75,  99.90,   6.51,  -0.75,
05/19 05Z,  -0.50,   6.78,  99.90,   5.54,  -0.75,
05/19 06Z,  -0.50,   5.81,  99.90,   4.56,  -0.75,
05/19 07Z,  -0.60,   5.11,  99.90,   3.76,  -0.75,
05/19 08Z,  -0.50,   4.90,  99.90,   3.66,  -0.75,  (min)
05/19 09Z,  -0.50,   5.30,  99.90,   4.05,  -0.75,
05/19 10Z,  -0.40,   6.23,  99.90,   5.08,  -0.75,
05/19 11Z,  -0.40,   7.46,  99.90,   6.31,  -0.75,
05/19 12Z,  -0.30,   8.62,  99.90,   7.57,  -0.75,
05/19 13Z,  -0.20,   9.35,  99.90,   8.40,  -0.75,
05/19 14Z,  -0.20,   9.40,  99.90,   8.45,  -0.75,  (max)
05/19 15Z,  -0.10,   8.64,  99.90,   7.80,  -0.75,
05/19 16Z,  -0.20,   7.15,  99.90,   6.20,  -0.75,
05/19 17Z,  -0.30,   5.21,  99.90,   4.17,  -0.75,
05/19 18Z,  -0.30,   3.27,  99.90,   2.22,  -0.75,
05/19 19Z,  -0.30,   1.70,  99.90,   0.65,  -0.75,
05/19 20Z,  -0.30,   0.80,  99.90,  -0.24,  -0.75,
05/19 21Z,  -0.30,   0.75,  99.90,  -0.30,  -0.75,  (min)
05/19 22Z,  -0.20,   1.55,  99.90,   0.60,  -0.75,
05/19 23Z,  -0.20,   3.02,  99.90,   2.07,  -0.75,
05/20 00Z,  -0.20,   4.84,  99.90,   3.89,  -0.75,
05/20 01Z,  -0.20,   6.60,  99.90,   5.65,  -0.75,
05/20 02Z,  -0.20,   7.95,  99.90,   7.01,  -0.75,
05/20 03Z,  -0.20,   8.67,  99.90,   7.72,  -0.75,  (max)
05/20 04Z,  -0.30,   8.63,  99.90,   7.59,  -0.75,
05/20 05Z,  -0.30,   7.93,  99.90,   6.89,  -0.75,
05/20 06Z,  -0.30,   6.86,  99.90,   5.81,  -0.75,
05/20 07Z,  -0.30,   5.74,  99.90,   4.70,  -0.75,
05/20 08Z,  -0.30,   4.90,  99.90,   3.85,  -0.75,
05/20 09Z,  -0.20,   4.56,  99.90,   3.61,  -0.75,  (min)
05/20 10Z,  -0.20,   4.83,  99.90,   3.88,  -0.75,
05/20 11Z,  -0.20,   5.66,  99.90,   4.71,  -0.75,
05/20 12Z,  -0.20,   6.84,  99.90,   5.89,  -0.75,
05/20 13Z,  99.90,   8.00,  99.90,  99.90,  -0.75,
05/20 14Z,  99.90,   8.80,  99.90,  99.90,  -0.75,
05/20 15Z,  99.90,   8.97,  99.90,  99.90,  -0.75,
05/20 16Z,  99.90,   8.36,  99.90,  99.90,  -0.75,
05/20 17Z,  99.90,   7.03,  99.90,  99.90,  -0.75,
05/20 18Z,  99.90,   5.25,  99.90,  99.90,  -0.75,