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
#Cordova, AK : 07/12/2025 09:20:50 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/10 18Z,  -0.10,   0.99,   1.28,  99.90,   0.39,
07/10 19Z,  -0.10,   3.52,   3.81,  99.90,   0.39,
07/10 20Z,  -0.10,   6.17,   6.52,  99.90,   0.45,
07/10 21Z,   0.00,   8.38,   8.75,  99.90,   0.37,
07/10 22Z,   0.00,   9.80,  10.32,  99.90,   0.52,
07/10 23Z,   0.00,  10.19,  10.81,  99.90,   0.62,  (max)
07/11 00Z,   0.00,   9.53,   9.94,  99.90,   0.41,
07/11 01Z,   0.00,   8.03,   8.40,  99.90,   0.37,
07/11 02Z,   0.00,   6.11,   6.63,  99.90,   0.52,
07/11 03Z,   0.10,   4.43,   5.29,  99.90,   0.76,
07/11 04Z,   0.10,   3.79,   4.63,  99.90,   0.74,  (min)
07/11 05Z,   0.20,   4.55,   5.22,  99.90,   0.47,
07/11 06Z,   0.30,   6.39,   6.97,  99.90,   0.28,
07/11 07Z,   0.30,   8.73,   9.31,  99.90,   0.28,
07/11 08Z,   0.30,  10.95,  11.78,  99.90,   0.53,
07/11 09Z,   0.30,  12.50,  13.36,  99.90,   0.56,
07/11 10Z,   0.20,  13.03,  13.69,  99.90,   0.46,  (max)
07/11 11Z,   0.20,  12.33,  12.75,  99.90,   0.22,
07/11 12Z,   0.20,  10.38,  10.79,  99.90,   0.21,
07/11 13Z,   0.20,   7.45,   7.91,  99.90,   0.26,
07/11 14Z,   0.10,   4.03,   4.66,  99.90,   0.53,
07/11 15Z,   0.00,   0.80,   1.64,  99.90,   0.84,
07/11 16Z,   0.00,  -1.36,  -0.66,  99.90,   0.70,
07/11 17Z,   0.00,  -1.80,  -1.04,  99.90,   0.76,  (min)
07/11 18Z,   0.10,  -0.58,   0.13,  99.90,   0.61,
07/11 19Z,   0.00,   1.76,   2.30,  99.90,   0.54,
07/11 20Z,   0.00,   4.58,   5.12,  99.90,   0.54,
07/11 21Z,   0.00,   7.29,   7.80,  99.90,   0.51,
07/11 22Z,   0.00,   9.36,   9.89,  99.90,   0.53,
07/11 23Z,   0.00,  10.46,  11.18,  99.90,   0.72,  (max)
07/12 00Z,   0.10,  10.38,  10.89,  99.90,   0.41,
07/12 01Z,   0.10,   9.19,   9.52,  99.90,   0.23,
07/12 02Z,   0.00,   7.26,   7.71,  99.90,   0.45,
07/12 03Z,   0.00,   5.16,   5.77,  99.90,   0.61,
07/12 04Z,   0.00,   3.65,   4.33,  99.90,   0.68,
07/12 05Z,   0.00,   3.46,   3.93,  99.90,   0.47,  (min)
07/12 06Z,   0.00,   4.72,   5.00,  99.90,   0.28,
07/12 07Z,   0.00,   6.95,   7.10,  99.90,   0.15,
07/12 08Z,   0.00,   9.45,   9.67,  99.90,   0.22,
07/12 09Z,   0.00,  11.62,  12.04,  99.90,   0.42,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/12 10Z,   0.00,  12.93,  99.90,  13.35,   0.42,
07/12 11Z,   0.00,  13.07,  99.90,  13.48,   0.41,  (max)
07/12 12Z,   0.00,  11.87,  99.90,  12.28,   0.41,
07/12 13Z,  -0.10,   9.41,  99.90,   9.71,   0.40,
07/12 14Z,  -0.10,   6.10,  99.90,   6.39,   0.39,
07/12 15Z,  -0.20,   2.56,  99.90,   2.75,   0.39,
07/12 16Z,  -0.20,  -0.42,  99.90,  -0.24,   0.38,
07/12 17Z,  -0.20,  -1.99,  99.90,  -1.82,   0.38,  (min)
07/12 18Z,  -0.20,  -1.71,  99.90,  -1.54,   0.37,
07/12 19Z,  -0.20,   0.14,  99.90,   0.31,   0.36,
07/12 20Z,  -0.20,   2.90,  99.90,   3.05,   0.36,
07/12 21Z,  -0.10,   5.88,  99.90,   6.14,   0.35,
07/12 22Z,  -0.10,   8.50,  99.90,   8.75,   0.35,
07/12 23Z,  -0.10,  10.27,  99.90,  10.52,   0.35,
07/13 00Z,  -0.10,  10.89,  99.90,  11.14,   0.35,  (max)
07/13 01Z,   0.00,  10.24,  99.90,  10.59,   0.35,
07/13 02Z,   0.00,   8.55,  99.90,   8.90,   0.35,
07/13 03Z,   0.00,   6.32,  99.90,   6.68,   0.35,
07/13 04Z,   0.00,   4.22,  99.90,   4.57,   0.35,
07/13 05Z,   0.00,   3.01,  99.90,   3.37,   0.35,  (min)
07/13 06Z,   0.00,   3.31,  99.90,   3.66,   0.35,
07/13 07Z,   0.00,   5.02,  99.90,   5.37,   0.35,
07/13 08Z,   0.00,   7.51,  99.90,   7.86,   0.35,
07/13 09Z,   0.00,  10.05,  99.90,  10.40,   0.35,
07/13 10Z,   0.00,  12.04,  99.90,  12.40,   0.35,
07/13 11Z,  -0.10,  13.01,  99.90,  13.26,   0.35,  (max)
07/13 12Z,  -0.10,  12.68,  99.90,  12.94,   0.35,
07/13 13Z,  -0.10,  11.00,  99.90,  11.25,   0.35,
07/13 14Z,  -0.10,   8.15,  99.90,   8.40,   0.35,
07/13 15Z,  -0.20,   4.69,  99.90,   4.84,   0.35,
07/13 16Z,  -0.10,   1.31,  99.90,   1.56,   0.35,
07/13 17Z,  -0.10,  -1.20,  99.90,  -0.95,   0.35,
07/13 18Z,  -0.10,  -2.08,  99.90,  -1.82,   0.35,  (min)
07/13 19Z,  -0.10,  -1.07,  99.90,  -0.82,   0.35,
07/13 20Z,  -0.10,   1.32,  99.90,   1.57,   0.35,
07/13 21Z,  -0.10,   4.35,  99.90,   4.60,   0.35,
07/13 22Z,   0.00,   7.33,  99.90,   7.68,   0.35,
07/13 23Z,  -0.10,   9.67,  99.90,   9.92,   0.35,
07/14 00Z,  -0.10,  10.97,  99.90,  11.22,   0.35,
07/14 01Z,  -0.10,  11.02,  99.90,  11.27,   0.35,  (max)
07/14 02Z,  -0.10,   9.83,  99.90,  10.08,   0.35,
07/14 03Z,  -0.10,   7.75,  99.90,   8.00,   0.35,
07/14 04Z,  -0.10,   5.38,  99.90,   5.64,   0.35,
07/14 05Z,  -0.10,   3.40,  99.90,   3.65,   0.35,
07/14 06Z,  -0.20,   2.55,  99.90,   2.70,   0.35,  (min)
07/14 07Z,  -0.10,   3.28,  99.90,   3.54,   0.35,
07/14 08Z,  -0.10,   5.33,  99.90,   5.59,   0.35,
07/14 09Z,  -0.20,   7.94,  99.90,   8.10,   0.35,
07/14 10Z,  -0.20,  10.39,  99.90,  10.54,   0.35,
07/14 11Z,  -0.20,  12.08,  99.90,  12.23,   0.35,
07/14 12Z,  -0.30,  12.62,  99.90,  12.68,   0.35,  (max)
07/14 13Z,  -0.20,  11.86,  99.90,  12.02,   0.35,
07/14 14Z,  -0.30,   9.83,  99.90,   9.89,   0.35,
07/14 15Z,  -0.30,   6.85,  99.90,   6.90,   0.35,
07/14 16Z,  -0.40,   3.50,  99.90,   3.45,   0.35,
07/14 17Z,  -0.40,   0.50,  99.90,   0.45,   0.35,
07/14 18Z,  -0.40,  -1.41,  99.90,  -1.45,   0.35,
07/14 19Z,  -0.40,  -1.55,  99.90,  -1.60,   0.35,  (min)
07/14 20Z,  -0.40,   0.09,  99.90,   0.04,   0.35,
07/14 21Z,  -0.40,   2.87,  99.90,   2.82,   0.35,
07/14 22Z,  -0.50,   5.98,  99.90,   5.83,   0.35,
07/14 23Z,  -0.50,   8.74,  99.90,   8.59,   0.35,
07/15 00Z,  -0.40,  10.64,  99.90,  10.59,   0.35,
07/15 01Z,  -0.50,  11.39,  99.90,  11.24,   0.35,  (max)
07/15 02Z,  -0.50,  10.90,  99.90,  10.75,   0.35,
07/15 03Z,  -0.50,   9.28,  99.90,   9.13,   0.35,
07/15 04Z,  -0.40,   6.96,  99.90,   6.91,   0.35,
07/15 05Z,  -0.50,   4.56,  99.90,   4.41,   0.35,
07/15 06Z,  -0.50,   2.74,  99.90,   2.59,   0.35,
07/15 07Z,  -0.50,   2.22,  99.90,   2.08,   0.35,  (min)
07/15 08Z,  -0.50,   3.31,  99.90,   3.16,   0.35,
07/15 09Z,  -0.50,   5.55,  99.90,   5.40,   0.35,
07/15 10Z,  -0.60,   8.11,  99.90,   7.87,   0.35,
07/15 11Z,  -0.60,  10.31,  99.90,  10.06,   0.35,
07/15 12Z,  -0.70,  11.63,  99.90,  11.28,   0.35,
07/15 13Z,  -0.70,  11.79,  99.90,  11.45,   0.35,  (max)
07/15 14Z,  -0.80,  10.76,  99.90,  10.32,   0.35,
07/15 15Z,  -0.80,   8.64,  99.90,   8.19,   0.35,
07/15 16Z,  -0.80,   5.77,  99.90,   5.32,   0.35,
07/15 17Z,  -0.80,   2.75,  99.90,   2.31,   0.35,
07/15 18Z,  -0.80,   0.26,  99.90,  -0.19,   0.35,
07/15 19Z,  -0.80,  -0.99,  99.90,  -1.44,   0.35,  (min)
07/15 20Z,  -0.70,  -0.47,  99.90,  -0.81,   0.35,
07/15 21Z,  -0.70,   1.66,  99.90,   1.31,   0.35,
07/15 22Z,  -0.70,   4.61,  99.90,   4.26,   0.35,
07/15 23Z,  -0.70,   7.56,  99.90,   7.22,   0.35,
07/16 00Z,  -0.60,   9.93,  99.90,   9.68,   0.35,
07/16 01Z,  99.90,  11.32,  99.90,  99.90,   0.35,
07/16 02Z,  99.90,  11.57,  99.90,  99.90,   0.35,
07/16 03Z,  99.90,  10.66,  99.90,  99.90,   0.35,
07/16 04Z,  99.90,   8.75,  99.90,  99.90,   0.35,
07/16 05Z,  99.90,   6.29,  99.90,  99.90,   0.35,
07/16 06Z,  99.90,   3.90,  99.90,  99.90,   0.35,