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 : 05/16/2026 17:20:27 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/15 00Z,   0.00,  -1.81,  99.90,  99.90,  99.90,
05/15 01Z,  -0.10,  -3.92,  -3.90,  99.90,   0.12,
05/15 02Z,  -0.20,  -4.99,  -5.18,  99.90,   0.01,  (min)
05/15 03Z,  -0.20,  -4.48,  -4.56,  99.90,   0.12,
05/15 04Z,  -0.30,  -2.52,  -2.56,  99.90,   0.26,
05/15 05Z,  -0.20,   0.31,   0.25,  99.90,   0.14,
05/15 06Z,  -0.10,   3.29,   3.14,  99.90,  -0.05,
05/15 07Z,  -0.20,   5.66,   5.68,  99.90,   0.22,
05/15 08Z,  -0.20,   6.84,   6.82,  99.90,   0.18,  (max)
05/15 09Z,  -0.20,   6.55,   6.45,  99.90,   0.10,
05/15 10Z,  -0.20,   4.81,   4.70,  99.90,   0.09,
05/15 11Z,  -0.20,   1.91,   1.91,  99.90,   0.20,
05/15 12Z,  -0.20,  -1.64,  -1.63,  99.90,   0.21,
05/15 13Z,  -0.20,  -5.17,  -5.11,  99.90,   0.26,
05/15 14Z,  -0.30,  -7.82,  -8.00,  99.90,   0.12,
05/15 15Z,  -0.30,  -8.75,  -8.70,  99.90,   0.35,  (min)
05/15 16Z,  -0.30,  -7.75,  -7.53,  99.90,   0.52,
05/15 17Z,  -0.20,  -5.31,  99.90,  99.90,  99.90,
05/15 18Z,  -0.30,  -2.17,  99.90,  99.90,  99.90,
05/15 19Z,  -0.30,   0.88,  99.90,  99.90,  99.90,
05/15 20Z,  -0.30,   3.17,  99.90,  99.90,  99.90,
05/15 21Z,  -0.20,   4.30,  99.90,  99.90,  99.90,
05/15 22Z,  -0.20,   4.11,   4.02,  99.90,   0.11,  (max)
05/15 23Z,  -0.20,   2.71,   2.53,  99.90,   0.02,
05/16 00Z,  -0.30,   0.46,   0.23,  99.90,   0.07,
05/16 01Z,  -0.30,  -2.10,  -2.41,  99.90,  -0.01,
05/16 02Z,  -0.30,  -4.21,  -4.36,  99.90,   0.15,
05/16 03Z,  -0.30,  -4.97,  -5.08,  99.90,   0.19,  (min)
05/16 04Z,  -0.30,  -3.94,  -3.77,  99.90,   0.47,
05/16 05Z,  -0.30,  -1.44,  -1.44,  99.90,   0.30,
05/16 06Z,  -0.30,   1.74,   1.54,  99.90,   0.10,
05/16 07Z,  -0.30,   4.78,   4.51,  99.90,   0.03,
05/16 08Z,  -0.30,   6.92,   6.85,  99.90,   0.23,
05/16 09Z,  -0.30,   7.69,   7.49,  99.90,   0.10,  (max)
05/16 10Z,  -0.30,   6.90,   6.53,  99.90,  -0.07,
05/16 11Z,  -0.30,   4.58,   4.27,  99.90,  -0.01,
05/16 12Z,  -0.40,   1.09,   0.88,  99.90,   0.19,
05/16 13Z,  -0.50,  -2.96,  -3.12,  99.90,   0.34,
05/16 14Z,  -0.50,  -6.75,  -6.88,  99.90,   0.37,
05/16 15Z,  -0.50,  -9.27,  -9.59,  99.90,   0.18,
05/16 16Z,  -0.50,  -9.73,  -9.59,  99.90,   0.64,  (min)
05/16 17Z,  -0.30,  -8.14,  -8.21,  99.90,   0.23,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/16 18Z,  -0.40,  -5.19,  99.90,  -5.36,   0.23,
05/16 19Z,  -0.40,  -1.73,  99.90,  -1.91,   0.22,
05/16 20Z,  -0.30,   1.42,  99.90,   1.34,   0.22,
05/16 21Z,  -0.40,   3.66,  99.90,   3.48,   0.22,
05/16 22Z,  -0.40,   4.66,  99.90,   4.48,   0.22,  (max)
05/16 23Z,  -0.40,   4.28,  99.90,   4.10,   0.22,
05/17 00Z,  -0.40,   2.64,  99.90,   2.45,   0.22,
05/17 01Z,  -0.40,   0.17,  99.90,  -0.02,   0.21,
05/17 02Z,  -0.50,  -2.48,  99.90,  -2.77,   0.21,
05/17 03Z,  -0.40,  -4.41,  99.90,  -4.60,   0.21,
05/17 04Z,  -0.40,  -4.72,  99.90,  -4.91,   0.21,  (min)
05/17 05Z,  -0.60,  -3.16,  99.90,  -3.55,   0.21,
05/17 06Z,  -0.30,  -0.29,  99.90,  -0.38,   0.21,
05/17 07Z,  -0.40,   3.03,  99.90,   2.84,   0.21,
05/17 08Z,  -0.40,   5.94,  99.90,   5.75,   0.21,
05/17 09Z,  -0.30,   7.77,  99.90,   7.68,   0.21,
05/17 10Z,  -0.20,   8.12,  99.90,   8.13,   0.21,  (max)
05/17 11Z,  -0.20,   6.84,  99.90,   6.85,   0.21,
05/17 12Z,  -0.10,   4.02,  99.90,   4.13,   0.21,
05/17 13Z,   0.00,   0.09,  99.90,   0.30,   0.21,
05/17 14Z,   0.00,  -4.22,  99.90,  -4.01,   0.21,
05/17 15Z,   0.10,  -7.99,  99.90,  -7.68,   0.21,
05/17 16Z,   0.10, -10.15,  99.90,  -9.84,   0.21,  (min)
05/17 17Z,   0.20, -10.07,  99.90,  -9.66,   0.21,
05/17 18Z,   0.20,  -8.00,  99.90,  -7.59,   0.21,
05/17 19Z,   0.20,  -4.75,  99.90,  -4.34,   0.21,
05/17 20Z,   0.10,  -1.20,  99.90,  -0.89,   0.21,
05/17 21Z,   0.10,   1.89,  99.90,   2.20,   0.21,
05/17 22Z,   0.10,   3.98,  99.90,   4.29,   0.21,
05/17 23Z,   0.10,   4.78,  99.90,   5.09,   0.21,  (max)
05/18 00Z,   0.10,   4.17,  99.90,   4.47,   0.21,
05/18 01Z,   0.10,   2.32,  99.90,   2.62,   0.21,
05/18 02Z,   0.10,  -0.25,  99.90,   0.06,   0.21,
05/18 03Z,   0.10,  -2.81,  99.90,  -2.50,   0.21,
05/18 04Z,   0.00,  -4.41,  99.90,  -4.20,   0.21,  (min)
05/18 05Z,   0.00,  -4.26,  99.90,  -4.05,   0.21,
05/18 06Z,   0.00,  -2.31,  99.90,  -2.10,   0.21,
05/18 07Z,   0.00,   0.74,  99.90,   0.95,   0.21,
05/18 08Z,  -0.10,   3.99,  99.90,   4.10,   0.21,
05/18 09Z,  -0.10,   6.64,  99.90,   6.75,   0.21,
05/18 10Z,  -0.10,   8.11,  99.90,   8.22,   0.21,  (max)
05/18 11Z,  -0.20,   8.06,  99.90,   8.07,   0.21,
05/18 12Z,  -0.20,   6.38,  99.90,   6.39,   0.21,
05/18 13Z,  -0.30,   3.22,  99.90,   3.13,   0.21,
05/18 14Z,  -0.30,  -0.90,  99.90,  -0.99,   0.21,
05/18 15Z,  -0.30,  -5.19,  99.90,  -5.28,   0.21,
05/18 16Z,  -0.30,  -8.69,  99.90,  -8.78,   0.21,
05/18 17Z,  -0.30, -10.39,  99.90, -10.48,   0.21,  (min)
05/18 18Z,  -0.30,  -9.84,  99.90,  -9.93,   0.21,
05/18 19Z,  -0.30,  -7.47,  99.90,  -7.57,   0.21,
05/18 20Z,  -0.30,  -4.15,  99.90,  -4.24,   0.21,
05/18 21Z,  -0.30,  -0.69,  99.90,  -0.78,   0.21,
05/18 22Z,  -0.20,   2.20,  99.90,   2.21,   0.21,
05/18 23Z,  -0.20,   4.06,  99.90,   4.07,   0.21,
05/19 00Z,  -0.10,   4.62,  99.90,   4.73,   0.21,  (max)
05/19 01Z,  -0.10,   3.80,  99.90,   3.91,   0.21,
05/19 02Z,  -0.10,   1.86,  99.90,   1.97,   0.21,
05/19 03Z,  -0.10,  -0.64,  99.90,  -0.53,   0.21,
05/19 04Z,  -0.10,  -2.96,  99.90,  -2.85,   0.21,
05/19 05Z,  -0.10,  -4.20,  99.90,  -4.09,   0.21,  (min)
05/19 06Z,  -0.10,  -3.67,  99.90,  -3.57,   0.21,
05/19 07Z,  -0.20,  -1.53,  99.90,  -1.52,   0.21,
05/19 08Z,  -0.20,   1.48,  99.90,   1.48,   0.21,
05/19 09Z,  -0.20,   4.50,  99.90,   4.51,   0.21,
05/19 10Z,  -0.20,   6.82,  99.90,   6.83,   0.21,
05/19 11Z,  -0.20,   7.91,  99.90,   7.92,   0.21,  (max)
05/19 12Z,  -0.30,   7.53,  99.90,   7.44,   0.21,
05/19 13Z,  -0.30,   5.60,  99.90,   5.51,   0.21,
05/19 14Z,  -0.30,   2.34,  99.90,   2.24,   0.21,
05/19 15Z,  -0.30,  -1.70,  99.90,  -1.79,   0.21,
05/19 16Z,  -0.40,  -5.72,  99.90,  -5.92,   0.21,
05/19 17Z,  -0.40,  -8.81,  99.90,  -9.00,   0.21,
05/19 18Z,  -0.40, -10.06,  99.90, -10.25,   0.21,  (min)
05/19 19Z,  -0.40,  -9.18,  99.90,  -9.37,   0.21,
05/19 20Z,  -0.30,  -6.72,  99.90,  -6.81,   0.21,
05/19 21Z,  -0.30,  -3.50,  99.90,  -3.59,   0.21,
05/19 22Z,  -0.30,  -0.28,  99.90,  -0.37,   0.21,
05/19 23Z,  -0.20,   2.31,  99.90,   2.32,   0.21,
05/20 00Z,  -0.20,   3.89,  99.90,   3.90,   0.21,
05/20 01Z,  -0.30,   4.24,  99.90,   4.15,   0.21,  (max)
05/20 02Z,  -0.30,   3.34,  99.90,   3.25,   0.21,
05/20 03Z,  -0.30,   1.46,  99.90,   1.37,   0.21,
05/20 04Z,  -0.20,  -0.85,  99.90,  -0.84,   0.21,
05/20 05Z,  -0.30,  -2.90,  99.90,  -2.99,   0.21,
05/20 06Z,  -0.30,  -3.83,  99.90,  -3.92,   0.21,  (min)
05/20 07Z,  -0.30,  -3.10,  99.90,  -3.19,   0.21,
05/20 08Z,  -0.20,  -0.97,  99.90,  -0.96,   0.21,
05/20 09Z,  -0.20,   1.82,  99.90,   1.83,   0.21,
05/20 10Z,  -0.30,   4.50,  99.90,   4.41,   0.21,
05/20 11Z,  -0.20,   6.43,  99.90,   6.44,   0.21,
05/20 12Z,  -0.30,   7.19,  99.90,   7.10,   0.21,