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 : 12/15/2025 12:20:53 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
12/13 12Z,  -0.40,   3.87,   3.13,  99.90,  -0.34,
12/13 13Z,  -0.30,   5.35,   4.70,  99.90,  -0.35,
12/13 14Z,  -0.20,   7.02,   6.45,  99.90,  -0.37,
12/13 15Z,  -0.10,   8.53,   7.97,  99.90,  -0.46,
12/13 16Z,  -0.10,   9.56,   9.04,  99.90,  -0.42,
12/13 17Z,   0.00,   9.83,   9.32,  99.90,  -0.51,  (max)
12/13 18Z,   0.00,   9.29,   8.75,  99.90,  -0.54,
12/13 19Z,   0.00,   8.08,   7.46,  99.90,  -0.62,
12/13 20Z,   0.00,   6.49,   5.87,  99.90,  -0.62,
12/13 21Z,   0.10,   4.85,   4.28,  99.90,  -0.67,
12/13 22Z,   0.20,   3.50,   2.94,  99.90,  -0.76,
12/13 23Z,   0.20,   2.72,   2.14,  99.90,  -0.78,
12/14 00Z,   0.10,   2.65,   2.09,  99.90,  -0.66,  (min)
12/14 01Z,   0.10,   3.25,   2.71,  99.90,  -0.64,
12/14 02Z,   0.20,   4.31,   3.72,  99.90,  -0.79,
12/14 03Z,   0.10,   5.54,   4.98,  99.90,  -0.66,
12/14 04Z,   0.10,   6.63,   6.06,  99.90,  -0.67,
12/14 05Z,   0.00,   7.28,   6.63,  99.90,  -0.65,
12/14 06Z,   0.00,   7.28,   6.70,  99.90,  -0.58,  (max)
12/14 07Z,   0.00,   6.68,   6.06,  99.90,  -0.62,
12/14 08Z,   0.00,   5.70,   5.14,  99.90,  -0.56,
12/14 09Z,  -0.10,   4.61,   4.18,  99.90,  -0.33,
12/14 10Z,  -0.10,   3.73,   3.36,  99.90,  -0.27,
12/14 11Z,  -0.10,   3.36,   3.02,  99.90,  -0.24,  (min)
12/14 12Z,   0.00,   3.66,   3.30,  99.90,  -0.36,
12/14 13Z,   0.00,   4.62,   4.29,  99.90,  -0.33,
12/14 14Z,   0.10,   6.05,   5.76,  99.90,  -0.39,
12/14 15Z,   0.20,   7.63,   7.39,  99.90,  -0.44,
12/14 16Z,   0.30,   9.04,   8.84,  99.90,  -0.50,
12/14 17Z,   0.30,   9.93,   9.71,  99.90,  -0.52,
12/14 18Z,   0.40,  10.02,   9.87,  99.90,  -0.55,  (max)
12/14 19Z,   0.50,   9.26,   9.09,  99.90,  -0.67,
12/14 20Z,   0.50,   7.84,   7.64,  99.90,  -0.70,
12/14 21Z,   0.50,   6.03,   5.88,  99.90,  -0.65,
12/14 22Z,   0.40,   4.19,   4.04,  99.90,  -0.55,
12/14 23Z,   0.60,   2.69,   2.56,  99.90,  -0.73,
12/15 00Z,   0.40,   1.84,   1.67,  99.90,  -0.57,  (min)
12/15 01Z,   0.40,   1.79,   1.70,  99.90,  -0.49,
12/15 02Z,   0.70,   2.49,   2.44,  99.90,  -0.75,
12/15 03Z,   0.80,   3.70,   3.71,  99.90,  -0.79,
12/15 04Z,   0.80,   5.13,   5.20,  99.90,  -0.73,
12/15 05Z,   0.80,   6.45,   6.38,  99.90,  -0.87,
12/15 06Z,   0.80,   7.29,   7.39,  99.90,  -0.70,
12/15 07Z,   1.00,   7.45,   7.50,  99.90,  -0.95,  (max)
12/15 08Z,   0.90,   6.98,   7.12,  99.90,  -0.76,
12/15 09Z,   1.00,   6.09,   6.29,  99.90,  -0.80,
12/15 10Z,   1.10,   5.05,   5.30,  99.90,  -0.85,
12/15 11Z,   1.10,   4.21,   4.53,  99.90,  -0.78,
12/15 12Z,   1.10,   3.88,   4.12,  99.90,  -0.86,  (min)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
12/15 13Z,   1.00,   4.24,  99.90,   4.39,  -0.85,
12/15 14Z,   1.10,   5.26,  99.90,   5.53,  -0.84,
12/15 15Z,   1.20,   6.71,  99.90,   7.09,  -0.83,
12/15 16Z,   1.30,   8.28,  99.90,   8.76,  -0.81,
12/15 17Z,   1.30,   9.61,  99.90,  10.10,  -0.80,
12/15 18Z,   1.20,  10.32,  99.90,  10.73,  -0.79,  (max)
12/15 19Z,   1.10,  10.15,  99.90,  10.47,  -0.78,
12/15 20Z,   1.00,   9.10,  99.90,   9.33,  -0.77,
12/15 21Z,   1.00,   7.37,  99.90,   7.62,  -0.76,
12/15 22Z,   1.00,   5.29,  99.90,   5.55,  -0.75,
12/15 23Z,   1.00,   3.26,  99.90,   3.52,  -0.74,
12/16 00Z,   0.90,   1.70,  99.90,   1.88,  -0.73,
12/16 01Z,   0.90,   0.93,  99.90,   1.11,  -0.73,  (min)
12/16 02Z,   0.80,   1.07,  99.90,   1.14,  -0.73,
12/16 03Z,   0.80,   2.01,  99.90,   2.08,  -0.73,
12/16 04Z,   0.80,   3.48,  99.90,   3.56,  -0.73,
12/16 05Z,   0.70,   5.17,  99.90,   5.15,  -0.73,
12/16 06Z,   0.70,   6.67,  99.90,   6.64,  -0.73,
12/16 07Z,   0.70,   7.60,  99.90,   7.57,  -0.73,
12/16 08Z,   0.70,   7.78,  99.90,   7.75,  -0.73,  (max)
12/16 09Z,   0.60,   7.28,  99.90,   7.15,  -0.73,
12/16 10Z,   0.60,   6.33,  99.90,   6.20,  -0.73,
12/16 11Z,   0.50,   5.24,  99.90,   5.01,  -0.73,
12/16 12Z,   0.40,   4.41,  99.90,   4.09,  -0.73,
12/16 13Z,   0.40,   4.18,  99.90,   3.85,  -0.73,  (min)
12/16 14Z,   0.40,   4.68,  99.90,   4.36,  -0.73,
12/16 15Z,   0.30,   5.84,  99.90,   5.41,  -0.73,
12/16 16Z,   0.30,   7.39,  99.90,   6.96,  -0.73,
12/16 17Z,   0.30,   8.97,  99.90,   8.55,  -0.73,
12/16 18Z,   0.20,  10.19,  99.90,   9.67,  -0.73,
12/16 19Z,   0.30,  10.67,  99.90,  10.24,  -0.73,  (max)
12/16 20Z,   0.30,  10.16,  99.90,   9.73,  -0.73,
12/16 21Z,   0.30,   8.73,  99.90,   8.31,  -0.73,
12/16 22Z,   0.30,   6.65,  99.90,   6.23,  -0.73,
12/16 23Z,   0.30,   4.31,  99.90,   3.88,  -0.73,
12/17 00Z,   0.30,   2.18,  99.90,   1.75,  -0.73,
12/17 01Z,   0.20,   0.70,  99.90,   0.18,  -0.73,
12/17 02Z,   0.20,   0.16,  99.90,  -0.36,  -0.73,  (min)
12/17 03Z,   0.10,   0.62,  99.90,  -0.00,  -0.73,
12/17 04Z,   0.00,   1.91,  99.90,   1.18,  -0.73,
12/17 05Z,   0.00,   3.70,  99.90,   2.98,  -0.73,
12/17 06Z,   0.00,   5.61,  99.90,   4.88,  -0.73,
12/17 07Z,   0.00,   7.18,  99.90,   6.46,  -0.73,
12/17 08Z,   0.00,   8.06,  99.90,   7.34,  -0.73,
12/17 09Z,   0.10,   8.10,  99.90,   7.48,  -0.73,  (max)
12/17 10Z,   0.20,   7.42,  99.90,   6.90,  -0.73,
12/17 11Z,   0.20,   6.32,  99.90,   5.79,  -0.73,
12/17 12Z,   0.30,   5.17,  99.90,   4.74,  -0.73,
12/17 13Z,   0.30,   4.41,  99.90,   3.98,  -0.73,
12/17 14Z,   0.30,   4.34,  99.90,   3.92,  -0.73,  (min)
12/17 15Z,   0.20,   5.06,  99.90,   4.54,  -0.73,
12/17 16Z,   0.20,   6.42,  99.90,   5.90,  -0.73,
12/17 17Z,   0.10,   8.10,  99.90,   7.48,  -0.73,
12/17 18Z,   0.10,   9.68,  99.90,   9.06,  -0.73,
12/17 19Z,   0.00,  10.74,  99.90,  10.01,  -0.73,
12/17 20Z,   0.00,  10.89,  99.90,  10.16,  -0.73,  (max)
12/17 21Z,   0.00,   9.97,  99.90,   9.24,  -0.73,
12/17 22Z,   0.00,   8.11,  99.90,   7.39,  -0.73,
12/17 23Z,   0.00,   5.68,  99.90,   4.96,  -0.73,
12/18 00Z,   0.00,   3.17,  99.90,   2.44,  -0.73,
12/18 01Z,   0.00,   1.08,  99.90,   0.35,  -0.73,
12/18 02Z,   0.10,  -0.17,  99.90,  -0.79,  -0.73,
12/18 03Z,   0.10,  -0.34,  99.90,  -0.96,  -0.73,  (min)
12/18 04Z,   0.10,   0.54,  99.90,  -0.09,  -0.73,
12/18 05Z,   0.00,   2.21,  99.90,   1.49,  -0.73,
12/18 06Z,   0.00,   4.29,  99.90,   3.56,  -0.73,
12/18 07Z,   0.00,   6.31,  99.90,   5.59,  -0.73,
12/18 08Z,  -0.10,   7.84,  99.90,   7.01,  -0.73,
12/18 09Z,  -0.10,   8.51,  99.90,   7.69,  -0.73,  (max)
12/18 10Z,  -0.10,   8.27,  99.90,   7.45,  -0.73,
12/18 11Z,  -0.10,   7.33,  99.90,   6.50,  -0.73,
12/18 12Z,   0.00,   6.06,  99.90,   5.33,  -0.73,
12/18 13Z,   0.00,   4.91,  99.90,   4.18,  -0.73,
12/18 14Z,   0.10,   4.30,  99.90,   3.67,  -0.73,  (min)
12/18 15Z,   0.00,   4.48,  99.90,   3.75,  -0.73,
12/18 16Z,   0.00,   5.48,  99.90,   4.75,  -0.73,
12/18 17Z,   0.00,   7.07,  99.90,   6.35,  -0.73,
12/18 18Z,   0.00,   8.86,  99.90,   8.13,  -0.73,
12/18 19Z,   0.00,  10.37,  99.90,   9.64,  -0.73,
12/18 20Z,   0.10,  11.17,  99.90,  10.54,  -0.73,  (max)
12/18 21Z,   0.20,  10.91,  99.90,  10.39,  -0.73,
12/18 22Z,   0.20,   9.51,  99.90,   8.99,  -0.73,
12/18 23Z,   0.20,   7.23,  99.90,   6.70,  -0.73,
12/19 00Z,   0.30,   4.54,  99.90,   4.12,  -0.73,