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
#Kodiak Island, AK : 05/18/2025 19:20:09 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/17 00Z,  -0.30,   0.54,   0.34,  99.90,   0.10,
05/17 01Z,  -0.40,   1.37,   1.14,  99.90,   0.17,
05/17 02Z,  -0.40,   1.57,   1.26,  99.90,   0.09,  (max)
05/17 03Z,  -0.50,   1.21,   0.90,  99.90,   0.19,
05/17 04Z,  -0.50,   0.51,   0.18,  99.90,   0.17,
05/17 05Z,  -0.50,  -0.32,  -0.63,  99.90,   0.19,
05/17 06Z,  -0.40,  -0.99,  -1.28,  99.90,   0.11,
05/17 07Z,  -0.40,  -1.14,  -1.31,  99.90,   0.23,  (min)
05/17 08Z,  -0.50,  -0.64,  -0.90,  99.90,   0.24,
05/17 09Z,  -0.50,   0.40,   0.13,  99.90,   0.23,
05/17 10Z,  -0.50,   1.66,   1.40,  99.90,   0.24,
05/17 11Z,  -0.50,   2.86,   2.64,  99.90,   0.28,
05/17 12Z,  -0.40,   3.75,   3.55,  99.90,   0.20,
05/17 13Z,  -0.50,   4.03,   3.74,  99.90,   0.21,  (max)
05/17 14Z,  -0.50,   3.50,   3.14,  99.90,   0.14,
05/17 15Z,  -0.60,   2.23,   1.94,  99.90,   0.31,
05/17 16Z,  -0.60,   0.49,   0.06,  99.90,   0.17,
05/17 17Z,  -0.60,  -1.44,  -1.84,  99.90,   0.20,
05/17 18Z,  -0.60,  -3.20,  -3.51,  99.90,   0.29,
05/17 19Z,  -0.60,  -4.40,  -4.59,  99.90,   0.41,
05/17 20Z,  -0.60,  -4.77,  -4.90,  99.90,   0.47,  (min)
05/17 21Z,  -0.60,  -4.30,  -4.56,  99.90,   0.34,
05/17 22Z,  -0.60,  -3.26,  -3.52,  99.90,   0.34,
05/17 23Z,  -0.60,  -1.93,  -2.08,  99.90,   0.45,
05/18 00Z,  -0.60,  -0.55,  -0.69,  99.90,   0.46,
05/18 01Z,  -0.60,   0.60,   0.30,  99.90,   0.30,
05/18 02Z,  -0.60,   1.25,   0.92,  99.90,   0.27,
05/18 03Z,  -0.70,   1.32,   1.09,  99.90,   0.47,  (max)
05/18 04Z,  -0.70,   0.93,   0.52,  99.90,   0.29,
05/18 05Z,  -0.70,   0.27,  -0.05,  99.90,   0.38,
05/18 06Z,  -0.70,  -0.44,  -0.82,  99.90,   0.32,
05/18 07Z,  -0.70,  -0.94,  -1.38,  99.90,   0.26,  (min)
05/18 08Z,  -0.70,  -0.94,  -1.10,  99.90,   0.54,
05/18 09Z,  -0.70,  -0.36,  -0.71,  99.90,   0.35,
05/18 10Z,  -0.70,   0.63,   0.21,  99.90,   0.28,
05/18 11Z,  -0.70,   1.74,   1.49,  99.90,   0.45,
05/18 12Z,  -0.60,   2.75,   2.52,  99.90,   0.37,
05/18 13Z,  -0.70,   3.43,   3.18,  99.90,   0.45,
05/18 14Z,  -0.70,   3.51,   3.18,  99.90,   0.37,  (max)
05/18 15Z,  -0.70,   2.85,   2.51,  99.90,   0.36,
05/18 16Z,  -0.70,   1.57,   1.21,  99.90,   0.34,
05/18 17Z,  -0.70,  -0.09,  -0.49,  99.90,   0.30,
05/18 18Z,  -0.70,  -1.83,  -2.17,  99.90,   0.36,
05/18 19Z,  -0.70,  -3.36,  -3.65,  99.90,   0.41,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/18 20Z,  -0.70,  -4.32,  99.90,  -4.62,   0.40,
05/18 21Z,  -0.70,  -4.50,  99.90,  -4.80,   0.39,  (min)
05/18 22Z,  -0.70,  -3.94,  99.90,  -4.26,   0.38,
05/18 23Z,  -0.70,  -2.91,  99.90,  -3.24,   0.38,
05/19 00Z,  -0.70,  -1.65,  99.90,  -1.98,   0.37,
05/19 01Z,  -0.70,  -0.37,  99.90,  -0.71,   0.36,
05/19 02Z,  -0.70,   0.68,  99.90,   0.33,   0.35,
05/19 03Z,  -0.70,   1.23,  99.90,   0.87,   0.34,
05/19 04Z,  -0.70,   1.25,  99.90,   0.88,   0.33,  (max)
05/19 05Z,  -0.70,   0.86,  99.90,   0.48,   0.32,
05/19 06Z,  -0.70,   0.24,  99.90,  -0.15,   0.31,
05/19 07Z,  -0.70,  -0.43,  99.90,  -0.83,   0.30,
05/19 08Z,  -0.70,  -0.89,  99.90,  -1.29,   0.30,  (min)
05/19 09Z,  -0.70,  -0.88,  99.90,  -1.28,   0.30,
05/19 10Z,  -0.70,  -0.36,  99.90,  -0.76,   0.30,
05/19 11Z,  -0.70,   0.50,  99.90,   0.10,   0.30,
05/19 12Z,  -0.70,   1.46,  99.90,   1.06,   0.30,
05/19 13Z,  -0.70,   2.33,  99.90,   1.93,   0.30,
05/19 14Z,  -0.70,   2.90,  99.90,   2.51,   0.30,
05/19 15Z,  -0.70,   2.92,  99.90,   2.53,   0.30,  (max)
05/19 16Z,  -0.60,   2.28,  99.90,   1.98,   0.30,
05/19 17Z,  -0.60,   1.09,  99.90,   0.79,   0.30,
05/19 18Z,  -0.50,  -0.41,  99.90,  -0.61,   0.30,
05/19 19Z,  -0.50,  -1.98,  99.90,  -2.17,   0.30,
05/19 20Z,  -0.50,  -3.33,  99.90,  -3.53,   0.30,
05/19 21Z,  -0.50,  -4.14,  99.90,  -4.34,   0.30,
05/19 22Z,  -0.50,  -4.22,  99.90,  -4.41,   0.30,  (min)
05/19 23Z,  -0.50,  -3.64,  99.90,  -3.84,   0.30,
05/20 00Z,  -0.50,  -2.63,  99.90,  -2.83,   0.30,
05/20 01Z,  -0.50,  -1.39,  99.90,  -1.58,   0.30,
05/20 02Z,  -0.50,  -0.12,  99.90,  -0.31,   0.30,
05/20 03Z,  -0.50,   0.91,  99.90,   0.71,   0.30,
05/20 04Z,  -0.50,   1.44,  99.90,   1.24,   0.30,  (max)
05/20 05Z,  -0.50,   1.44,  99.90,   1.24,   0.30,
05/20 06Z,  -0.50,   1.03,  99.90,   0.83,   0.30,
05/20 07Z,  -0.50,   0.36,  99.90,   0.16,   0.30,
05/20 08Z,  -0.50,  -0.40,  99.90,  -0.60,   0.30,
05/20 09Z,  -0.40,  -0.97,  99.90,  -1.07,   0.30,
05/20 10Z,  -0.40,  -1.10,  99.90,  -1.19,   0.30,  (min)
05/20 11Z,  -0.40,  -0.73,  99.90,  -0.83,   0.30,
05/20 12Z,  -0.50,  -0.02,  99.90,  -0.22,   0.30,
05/20 13Z,  -0.50,   0.83,  99.90,   0.64,   0.30,
05/20 14Z,  -0.40,   1.68,  99.90,   1.59,   0.30,
05/20 15Z,  -0.40,   2.29,  99.90,   2.20,   0.30,
05/20 16Z,  -0.50,   2.40,  99.90,   2.20,   0.30,  (max)
05/20 17Z,  -0.50,   1.88,  99.90,   1.68,   0.30,
05/20 18Z,  -0.50,   0.86,  99.90,   0.66,   0.30,
05/20 19Z,  -0.50,  -0.48,  99.90,  -0.67,   0.30,
05/20 20Z,  -0.50,  -1.91,  99.90,  -2.11,   0.30,
05/20 21Z,  -0.50,  -3.17,  99.90,  -3.36,   0.30,
05/20 22Z,  -0.50,  -3.91,  99.90,  -4.10,   0.30,
05/20 23Z,  -0.50,  -3.95,  99.90,  -4.15,   0.30,  (min)
05/21 00Z,  -0.50,  -3.36,  99.90,  -3.56,   0.30,
05/21 01Z,  -0.50,  -2.33,  99.90,  -2.53,   0.30,
05/21 02Z,  -0.50,  -1.03,  99.90,  -1.22,   0.30,
05/21 03Z,  -0.50,   0.32,  99.90,   0.12,   0.30,
05/21 04Z,  -0.50,   1.39,  99.90,   1.19,   0.30,
05/21 05Z,  -0.50,   1.92,  99.90,   1.73,   0.30,  (max)
05/21 06Z,  -0.60,   1.88,  99.90,   1.59,   0.30,
05/21 07Z,  -0.60,   1.37,  99.90,   1.07,   0.30,
05/21 08Z,  -0.50,   0.52,  99.90,   0.32,   0.30,
05/21 09Z,  -0.50,  -0.48,  99.90,  -0.67,   0.30,
05/21 10Z,  -0.50,  -1.30,  99.90,  -1.49,   0.30,
05/21 11Z,  -0.50,  -1.66,  99.90,  -1.86,   0.30,  (min)
05/21 12Z,  -0.60,  -1.48,  99.90,  -1.78,   0.30,
05/21 13Z,  -0.60,  -0.89,  99.90,  -1.19,   0.30,
05/21 14Z,  -0.60,  -0.03,  99.90,  -0.32,   0.30,
05/21 15Z,  -0.70,   0.93,  99.90,   0.54,   0.30,
05/21 16Z,  -0.70,   1.71,  99.90,   1.32,   0.30,
05/21 17Z,  -0.70,   2.01,  99.90,   1.62,   0.30,  (max)
05/21 18Z,  -0.70,   1.70,  99.90,   1.31,   0.30,
05/21 19Z,  -0.70,   0.87,  99.90,   0.47,   0.30,
05/21 20Z,  -0.70,  -0.33,  99.90,  -0.73,   0.30,
05/21 21Z,  -0.70,  -1.70,  99.90,  -2.09,   0.30,
05/21 22Z,  -0.70,  -2.93,  99.90,  -3.33,   0.30,
05/21 23Z,  -0.70,  -3.66,  99.90,  -4.06,   0.30,
05/22 00Z,  -0.70,  -3.69,  99.90,  -4.09,   0.30,  (min)
05/22 01Z,  -0.70,  -3.06,  99.90,  -3.46,   0.30,
05/22 02Z,  -0.80,  -1.93,  99.90,  -2.42,   0.30,
05/22 03Z,  -0.80,  -0.48,  99.90,  -0.98,   0.30,
05/22 04Z,  -0.80,   1.00,  99.90,   0.50,   0.30,
05/22 05Z,  -0.80,   2.14,  99.90,   1.64,   0.30,
05/22 06Z,  -0.80,   2.66,  99.90,   2.16,   0.30,  (max)
05/22 07Z,  -0.70,   2.50,  99.90,   2.11,   0.30,
05/22 08Z,  -0.70,   1.77,  99.90,   1.37,   0.30,
05/22 09Z,  -0.80,   0.60,  99.90,   0.10,   0.30,
05/22 10Z,  -0.80,  -0.76,  99.90,  -1.26,   0.30,
05/22 11Z,  -0.80,  -1.93,  99.90,  -2.43,   0.30,
05/22 12Z,  -0.70,  -2.56,  99.90,  -2.96,   0.30,