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 : 07/17/2026 04:21:55 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/15 12Z,   0.00,  12.16,  12.09,  99.90,  -0.07,
07/15 13Z,   0.00,   8.66,   8.75,  99.90,   0.09,
07/15 14Z,   0.00,   4.33,   4.64,  99.90,   0.31,
07/15 15Z,   0.00,   0.12,   0.54,  99.90,   0.42,
07/15 16Z,  -0.10,  -2.79,  -2.79,  99.90,   0.10,
07/15 17Z,  -0.10,  -3.55,  -3.43,  99.90,   0.22,  (min)
07/15 18Z,   0.00,  -2.20,  -2.15,  99.90,   0.05,
07/15 19Z,   0.00,   0.62,   0.51,  99.90,  -0.11,
07/15 20Z,   0.00,   4.12,   3.92,  99.90,  -0.20,
07/15 21Z,   0.00,   7.52,   7.31,  99.90,  -0.21,
07/15 22Z,  -0.10,  10.22,   9.98,  99.90,  -0.14,
07/15 23Z,  -0.10,  11.75,  11.95,  99.90,   0.30,
07/16 00Z,   0.00,  11.81,  11.95,  99.90,   0.14,  (max)
07/16 01Z,   0.00,  10.39,  10.43,  99.90,   0.04,
07/16 02Z,  -0.10,   7.85,   8.03,  99.90,   0.28,
07/16 03Z,  -0.10,   4.86,   5.32,  99.90,   0.56,
07/16 04Z,  -0.20,   2.48,   3.03,  99.90,   0.75,
07/16 05Z,  -0.20,   1.70,   1.81,  99.90,   0.31,  (min)
07/16 06Z,  -0.10,   2.81,   2.71,  99.90,  -0.00,
07/16 07Z,  -0.20,   5.32,   5.16,  99.90,   0.04,
07/16 08Z,  -0.20,   8.46,   8.22,  99.90,  -0.04,
07/16 09Z,  -0.30,  11.46,  11.22,  99.90,   0.06,
07/16 10Z,  -0.30,  13.62,  13.63,  99.90,   0.31,
07/16 11Z,  -0.40,  14.48,  14.33,  99.90,   0.25,  (max)
07/16 12Z,  -0.30,  13.74,  13.53,  99.90,   0.09,
07/16 13Z,  -0.40,  11.34,  11.37,  99.90,   0.43,
07/16 14Z,  -0.40,   7.63,   7.96,  99.90,   0.73,
07/16 15Z,  -0.40,   3.32,   3.85,  99.90,   0.93,
07/16 16Z,  -0.40,  -0.60,  -0.16,  99.90,   0.84,
07/16 17Z,  -0.40,  -2.96,  -2.99,  99.90,   0.37,
07/16 18Z,  -0.40,  -3.10,  -3.09,  99.90,   0.41,  (min)
07/16 19Z,  -0.30,  -1.26,  -1.35,  99.90,   0.21,
07/16 20Z,  -0.30,   1.86,   1.75,  99.90,   0.19,
07/16 21Z,  -0.30,   5.44,   5.33,  99.90,   0.19,
07/16 22Z,  -0.30,   8.73,   8.49,  99.90,   0.06,
07/16 23Z,  -0.40,  11.13,  10.82,  99.90,   0.09,
07/17 00Z,  -0.40,  12.23,  12.11,  99.90,   0.28,  (max)
07/17 01Z,  -0.30,  11.79,  11.61,  99.90,   0.12,
07/17 02Z,  -0.40,   9.92,   9.88,  99.90,   0.36,
07/17 03Z,  -0.40,   7.09,   7.37,  99.90,   0.68,
07/17 04Z,  -0.40,   4.05,   4.54,  99.90,   0.89,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/17 05Z,  -0.30,   1.87,  99.90,   2.40,   0.83,
07/17 06Z,  -0.30,   1.42,  99.90,   1.89,   0.77,  (min)
07/17 07Z,  -0.20,   2.79,  99.90,   3.30,   0.70,
07/17 08Z,  -0.20,   5.41,  99.90,   5.85,   0.64,
07/17 09Z,  -0.20,   8.51,  99.90,   8.89,   0.58,
07/17 10Z,  -0.20,  11.32,  99.90,  11.64,   0.52,
07/17 11Z,  -0.20,  13.21,  99.90,  13.46,   0.46,
07/17 12Z,  -0.30,  13.74,  99.90,  13.84,   0.40,  (max)
07/17 13Z,  -0.30,  12.69,  99.90,  12.73,   0.33,
07/17 14Z,  -0.30,  10.12,  99.90,  10.09,   0.27,
07/17 15Z,  -0.30,   6.47,  99.90,   6.38,   0.21,
07/17 16Z,  -0.20,   2.47,  99.90,   2.41,   0.15,
07/17 17Z,  -0.20,  -0.89,  99.90,  -0.94,   0.15,
07/17 18Z,  -0.20,  -2.54,  99.90,  -2.59,   0.15,  (min)
07/17 19Z,  -0.10,  -2.05,  99.90,  -2.01,   0.15,
07/17 20Z,  -0.10,   0.19,  99.90,   0.24,   0.15,
07/17 21Z,  -0.10,   3.44,  99.90,   3.49,   0.15,
07/17 22Z,  -0.10,   6.90,  99.90,   6.95,   0.15,
07/17 23Z,  -0.10,   9.85,  99.90,   9.90,   0.15,
07/18 00Z,  -0.10,  11.77,  99.90,  11.82,   0.15,
07/18 01Z,   0.00,  12.34,  99.90,  12.48,   0.15,  (max)
07/18 02Z,   0.00,  11.42,  99.90,  11.56,   0.15,
07/18 03Z,  -0.10,   9.23,  99.90,   9.28,   0.15,
07/18 04Z,   0.00,   6.31,  99.90,   6.46,   0.15,
07/18 05Z,   0.00,   3.41,  99.90,   3.56,   0.15,
07/18 06Z,   0.00,   1.53,  99.90,   1.68,   0.15,
07/18 07Z,   0.00,   1.41,  99.90,   1.56,   0.15,  (min)
07/18 08Z,   0.00,   2.96,  99.90,   3.11,   0.15,
07/18 09Z,   0.00,   5.55,  99.90,   5.69,   0.15,
07/18 10Z,   0.00,   8.43,  99.90,   8.57,   0.15,
07/18 11Z,   0.00,  10.88,  99.90,  11.03,   0.15,
07/18 12Z,   0.00,  12.37,  99.90,  12.51,   0.15,
07/18 13Z,   0.00,  12.55,  99.90,  12.70,   0.15,  (max)
07/18 14Z,  -0.10,  11.31,  99.90,  11.35,   0.15,
07/18 15Z,  -0.10,   8.78,  99.90,   8.82,   0.15,
07/18 16Z,  -0.10,   5.44,  99.90,   5.49,   0.15,
07/18 17Z,  -0.10,   1.99,  99.90,   2.04,   0.15,
07/18 18Z,  -0.20,  -0.64,  99.90,  -0.70,   0.15,
07/18 19Z,  -0.20,  -1.56,  99.90,  -1.61,   0.15,  (min)
07/18 20Z,  -0.20,  -0.51,  99.90,  -0.56,   0.15,
07/18 21Z,  -0.20,   1.98,  99.90,   1.93,   0.15,
07/18 22Z,  -0.10,   5.15,  99.90,   5.20,   0.15,
07/18 23Z,  -0.10,   8.26,  99.90,   8.31,   0.15,
07/19 00Z,  -0.20,  10.68,  99.90,  10.63,   0.15,
07/19 01Z,  -0.20,  12.03,  99.90,  11.97,   0.15,
07/19 02Z,  -0.20,  12.07,  99.90,  12.02,   0.15,  (max)
07/19 03Z,  -0.30,  10.80,  99.90,  10.65,   0.15,
07/19 04Z,  -0.30,   8.49,  99.90,   8.34,   0.15,
07/19 05Z,  -0.40,   5.65,  99.90,   5.40,   0.15,
07/19 06Z,  -0.40,   3.00,  99.90,   2.75,   0.15,
07/19 07Z,  -0.40,   1.48,  99.90,   1.23,   0.15,  (min)
07/19 08Z,  -0.40,   1.63,  99.90,   1.38,   0.15,
07/19 09Z,  -0.40,   3.23,  99.90,   2.98,   0.15,
07/19 10Z,  -0.40,   5.62,  99.90,   5.37,   0.15,
07/19 11Z,  -0.50,   8.12,  99.90,   7.76,   0.15,
07/19 12Z,  -0.50,  10.10,  99.90,   9.75,   0.15,
07/19 13Z,  -0.50,  11.17,  99.90,  10.82,   0.15,  (max)
07/19 14Z,  -0.60,  11.11,  99.90,  10.66,   0.15,
07/19 15Z,  -0.60,   9.86,  99.90,   9.41,   0.15,
07/19 16Z,  -0.60,   7.60,  99.90,   7.15,   0.15,
07/19 17Z,  -0.60,   4.77,  99.90,   4.32,   0.15,
07/19 18Z,  -0.60,   2.00,  99.90,   1.55,   0.15,
07/19 19Z,  -0.60,   0.13,  99.90,  -0.32,   0.15,
07/19 20Z,  -0.60,  -0.09,  99.90,  -0.55,   0.15,  (min)
07/19 21Z,  -0.60,   1.35,  99.90,   0.90,   0.15,
07/19 22Z,  -0.60,   3.87,  99.90,   3.41,   0.15,
07/19 23Z,  -0.60,   6.73,  99.90,   6.27,   0.15,
07/20 00Z,  -0.60,   9.30,  99.90,   8.84,   0.15,
07/20 01Z,  -0.60,  11.11,  99.90,  10.65,   0.15,
07/20 02Z,  -0.60,  11.91,  99.90,  11.46,   0.15,  (max)
07/20 03Z,  -0.60,  11.57,  99.90,  11.12,   0.15,
07/20 04Z,  -0.70,  10.12,  99.90,   9.57,   0.15,
07/20 05Z,  -0.70,   7.83,  99.90,   7.28,   0.15,
07/20 06Z,  -0.60,   5.18,  99.90,   4.73,   0.15,
07/20 07Z,  -0.50,   2.84,  99.90,   2.49,   0.15,
07/20 08Z,  -0.50,   1.66,  99.90,   1.31,   0.15,  (min)
07/20 09Z,  -0.50,   1.99,  99.90,   1.64,   0.15,
07/20 10Z,  -0.50,   3.49,  99.90,   3.14,   0.15,
07/20 11Z,  -0.50,   5.52,  99.90,   5.17,   0.15,
07/20 12Z,  -0.60,   7.53,  99.90,   7.08,   0.15,
07/20 13Z,  -0.60,   9.05,  99.90,   8.60,   0.15,
07/20 14Z,  -0.60,   9.82,  99.90,   9.37,   0.15,  (max)
07/20 15Z,  -0.60,   9.70,  99.90,   9.25,   0.15,
07/20 16Z,  -0.50,   8.64,  99.90,   8.29,   0.15,
07/20 17Z,  -0.50,   6.80,  99.90,   6.45,   0.15,
07/20 18Z,  -0.40,   4.56,  99.90,   4.31,   0.15,
07/20 19Z,  99.90,   2.49,  99.90,  99.90,   0.15,
07/20 20Z,  99.90,   1.33,  99.90,  99.90,   0.15,
07/20 21Z,  99.90,   1.64,  99.90,  99.90,   0.15,
07/20 22Z,  99.90,   3.25,  99.90,  99.90,   0.15,
07/20 23Z,  99.90,   5.54,  99.90,  99.90,   0.15,
07/21 00Z,  99.90,   7.91,  99.90,  99.90,   0.15,