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
#Sitka, AK : 06/19/2025 16:21:58 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
06/18 00Z,  -0.10,   5.73,   5.59,  99.90,  -0.04,
06/18 01Z,   0.00,   7.34,   7.15,  99.90,  -0.19,
06/18 02Z,   0.00,   8.26,   8.10,  99.90,  -0.16,
06/18 03Z,   0.00,   8.36,   8.25,  99.90,  -0.11,  (max)
06/18 04Z,   0.00,   7.67,   7.59,  99.90,  -0.08,
06/18 05Z,   0.00,   6.43,   6.38,  99.90,  -0.05,
06/18 06Z,  -0.10,   4.99,   4.95,  99.90,   0.06,
06/18 07Z,   0.00,   3.75,   3.70,  99.90,  -0.05,
06/18 08Z,   0.00,   3.02,   2.99,  99.90,  -0.03,
06/18 09Z,   0.00,   2.98,   2.93,  99.90,  -0.05,  (min)
06/18 10Z,   0.00,   3.60,   3.57,  99.90,  -0.03,
06/18 11Z,   0.00,   4.69,   4.63,  99.90,  -0.06,
06/18 12Z,  -0.10,   5.93,   5.91,  99.90,   0.08,
06/18 13Z,   0.00,   6.95,   6.84,  99.90,  -0.11,
06/18 14Z,   0.00,   7.43,   7.43,  99.90,  -0.00,  (max)
06/18 15Z,   0.00,   7.20,   7.17,  99.90,  -0.03,
06/18 16Z,   0.00,   6.24,   6.32,  99.90,   0.08,
06/18 17Z,   0.00,   4.77,   4.76,  99.90,  -0.01,
06/18 18Z,  -0.10,   3.10,   3.16,  99.90,   0.16,
06/18 19Z,   0.00,   1.63,   1.60,  99.90,  -0.03,
06/18 20Z,   0.00,   0.73,   0.71,  99.90,  -0.02,
06/18 21Z,   0.00,   0.63,   0.58,  99.90,  -0.05,  (min)
06/18 22Z,   0.00,   1.38,   1.24,  99.90,  -0.14,
06/18 23Z,   0.00,   2.84,   2.63,  99.90,  -0.21,
06/19 00Z,  -0.10,   4.70,   4.42,  99.90,  -0.18,
06/19 01Z,  -0.10,   6.57,   6.21,  99.90,  -0.26,
06/19 02Z,  -0.10,   8.02,   7.62,  99.90,  -0.30,
06/19 03Z,  -0.10,   8.77,   8.41,  99.90,  -0.26,  (max)
06/19 04Z,  -0.10,   8.67,   8.36,  99.90,  -0.21,
06/19 05Z,  -0.10,   7.78,   7.51,  99.90,  -0.17,
06/19 06Z,  -0.20,   6.35,   6.13,  99.90,  -0.02,
06/19 07Z,  -0.20,   4.72,   4.47,  99.90,  -0.05,
06/19 08Z,  -0.20,   3.29,   3.09,  99.90,   0.00,
06/19 09Z,  -0.20,   2.38,   2.17,  99.90,  -0.01,
06/19 10Z,  -0.10,   2.18,   1.98,  99.90,  -0.10,  (min)
06/19 11Z,  -0.10,   2.70,   2.46,  99.90,  -0.14,
06/19 12Z,  -0.20,   3.74,   3.54,  99.90,   0.00,
06/19 13Z,  -0.20,   5.00,   4.66,  99.90,  -0.14,
06/19 14Z,  -0.20,   6.11,   5.87,  99.90,  -0.04,
06/19 15Z,  -0.30,   6.76,   6.50,  99.90,   0.04,
06/19 16Z,  -0.30,   6.76,   6.52,  99.90,   0.06,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
06/19 17Z,  -0.40,   6.08,  99.90,   5.73,   0.05,
06/19 18Z,  -0.40,   4.88,  99.90,   4.53,   0.05,
06/19 19Z,  -0.40,   3.48,  99.90,   3.12,   0.04,
06/19 20Z,  -0.40,   2.24,  99.90,   1.87,   0.04,
06/19 21Z,  -0.40,   1.50,  99.90,   1.13,   0.03,
06/19 22Z,  -0.40,   1.50,  99.90,   1.13,   0.03,  (min)
06/19 23Z,  -0.30,   2.30,  99.90,   2.02,   0.02,
06/20 00Z,  -0.30,   3.76,  99.90,   3.48,   0.02,
06/20 01Z,  -0.30,   5.58,  99.90,   5.29,   0.01,
06/20 02Z,  -0.30,   7.37,  99.90,   7.07,   0.01,
06/20 03Z,  -0.30,   8.72,  99.90,   8.42,   0.00,
06/20 04Z,  -0.30,   9.32,  99.90,   9.02,  -0.00,  (max)
06/20 05Z,  -0.40,   9.05,  99.90,   8.65,  -0.00,
06/20 06Z,  -0.40,   7.95,  99.90,   7.55,  -0.00,
06/20 07Z,  -0.40,   6.26,  99.90,   5.86,  -0.00,
06/20 08Z,  -0.50,   4.37,  99.90,   3.87,  -0.00,
06/20 09Z,  -0.40,   2.68,  99.90,   2.28,  -0.00,
06/20 10Z,  -0.40,   1.54,  99.90,   1.14,  -0.00,
06/20 11Z,  -0.40,   1.17,  99.90,   0.77,  -0.00,  (min)
06/20 12Z,  -0.40,   1.60,  99.90,   1.20,  -0.00,
06/20 13Z,  -0.40,   2.66,  99.90,   2.26,  -0.00,
06/20 14Z,  -0.40,   4.05,  99.90,   3.65,  -0.00,
06/20 15Z,  -0.40,   5.39,  99.90,   4.98,  -0.00,
06/20 16Z,  -0.40,   6.32,  99.90,   5.92,  -0.00,
06/20 17Z,  -0.40,   6.63,  99.90,   6.23,  -0.00,  (max)
06/20 18Z,  -0.30,   6.24,  99.90,   5.94,  -0.00,
06/20 19Z,  -0.30,   5.30,  99.90,   5.00,  -0.00,
06/20 20Z,  -0.30,   4.09,  99.90,   3.79,  -0.00,
06/20 21Z,  -0.30,   2.96,  99.90,   2.66,  -0.00,
06/20 22Z,  -0.30,   2.29,  99.90,   1.99,  -0.00,  (min)
06/20 23Z,  -0.20,   2.31,  99.90,   2.11,  -0.00,
06/21 00Z,  -0.20,   3.10,  99.90,   2.90,  -0.00,
06/21 01Z,  -0.20,   4.55,  99.90,   4.35,  -0.00,
06/21 02Z,  -0.20,   6.35,  99.90,   6.15,  -0.00,
06/21 03Z,  -0.20,   8.10,  99.90,   7.90,  -0.00,
06/21 04Z,  -0.20,   9.39,  99.90,   9.19,  -0.00,
06/21 05Z,  -0.30,   9.89,  99.90,   9.59,  -0.00,  (max)
06/21 06Z,  -0.30,   9.45,  99.90,   9.15,  -0.00,
06/21 07Z,  -0.30,   8.11,  99.90,   7.81,  -0.00,
06/21 08Z,  -0.30,   6.14,  99.90,   5.84,  -0.00,
06/21 09Z,  -0.30,   3.93,  99.90,   3.63,  -0.00,
06/21 10Z,  -0.30,   1.94,  99.90,   1.63,  -0.00,
06/21 11Z,  -0.30,   0.56,  99.90,   0.26,  -0.00,
06/21 12Z,  -0.30,   0.05,  99.90,  -0.25,  -0.00,  (min)
06/21 13Z,  -0.30,   0.47,  99.90,   0.17,  -0.00,
06/21 14Z,  -0.40,   1.65,  99.90,   1.25,  -0.00,
06/21 15Z,  -0.40,   3.27,  99.90,   2.87,  -0.00,
06/21 16Z,  -0.50,   4.91,  99.90,   4.41,  -0.00,
06/21 17Z,  -0.50,   6.18,  99.90,   5.68,  -0.00,
06/21 18Z,  -0.50,   6.80,  99.90,   6.30,  -0.00,  (max)
06/21 19Z,  -0.50,   6.67,  99.90,   6.17,  -0.00,
06/21 20Z,  -0.50,   5.90,  99.90,   5.40,  -0.00,
06/21 21Z,  -0.50,   4.76,  99.90,   4.26,  -0.00,
06/21 22Z,  -0.50,   3.65,  99.90,   3.15,  -0.00,
06/21 23Z,  -0.40,   2.95,  99.90,   2.55,  -0.00,
06/22 00Z,  -0.40,   2.94,  99.90,   2.54,  -0.00,  (min)
06/22 01Z,  -0.50,   3.71,  99.90,   3.21,  -0.00,
06/22 02Z,  -0.40,   5.16,  99.90,   4.76,  -0.00,
06/22 03Z,  -0.40,   6.99,  99.90,   6.58,  -0.00,
06/22 04Z,  -0.40,   8.75,  99.90,   8.35,  -0.00,
06/22 05Z,  -0.40,  10.02,  99.90,   9.62,  -0.00,
06/22 06Z,  -0.50,  10.43,  99.90,   9.93,  -0.00,  (max)
06/22 07Z,  -0.50,   9.81,  99.90,   9.31,  -0.00,
06/22 08Z,  -0.50,   8.22,  99.90,   7.72,  -0.00,
06/22 09Z,  -0.50,   5.93,  99.90,   5.43,  -0.00,
06/22 10Z,  -0.40,   3.39,  99.90,   2.99,  -0.00,
06/22 11Z,  -0.40,   1.11,  99.90,   0.71,  -0.00,
06/22 12Z,  -0.40,  -0.46,  99.90,  -0.86,  -0.00,
06/22 13Z,  -0.40,  -1.03,  99.90,  -1.43,  -0.00,  (min)
06/22 14Z,  -0.50,  -0.53,  99.90,  -1.03,  -0.00,
06/22 15Z,  -0.50,   0.86,  99.90,   0.36,  -0.00,
06/22 16Z,  -0.50,   2.78,  99.90,   2.27,  -0.00,
06/22 17Z,  -0.50,   4.76,  99.90,   4.26,  -0.00,
06/22 18Z,  -0.50,   6.35,  99.90,   5.85,  -0.00,
06/22 19Z,  -0.50,   7.21,  99.90,   6.71,  -0.00,
06/22 20Z,  -0.50,   7.23,  99.90,   6.73,  -0.00,  (max)
06/22 21Z,  -0.50,   6.51,  99.90,   6.01,  -0.00,
06/22 22Z,  -0.40,   5.34,  99.90,   4.94,  -0.00,
06/22 23Z,  -0.40,   4.16,  99.90,   3.76,  -0.00,
06/23 00Z,  -0.40,   3.38,  99.90,   2.98,  -0.00,
06/23 01Z,  -0.40,   3.32,  99.90,   2.92,  -0.00,  (min)
06/23 02Z,  -0.40,   4.10,  99.90,   3.70,  -0.00,
06/23 03Z,  -0.40,   5.60,  99.90,   5.20,  -0.00,
06/23 04Z,  -0.40,   7.49,  99.90,   7.09,  -0.00,
06/23 05Z,  -0.40,   9.31,  99.90,   8.91,  -0.00,
06/23 06Z,  -0.40,  10.57,  99.90,  10.17,  -0.00,
06/23 07Z,  99.90,  10.89,  99.90,  99.90,  -0.00,
06/23 08Z,  99.90,  10.08,  99.90,  99.90,  -0.00,
06/23 09Z,  99.90,   8.21,  99.90,  99.90,  -0.00,
06/23 10Z,  99.90,   5.62,  99.90,  99.90,  -0.00,
06/23 11Z,  99.90,   2.79,  99.90,  99.90,  -0.00,
06/23 12Z,  99.90,   0.28,  99.90,  99.90,  -0.00,