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
#Seldovia, AK : 02/17/2025 22:20:07 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/16 06Z,   0.80,  -7.98,  -8.03,  99.90,  -0.85,
02/16 07Z,   0.70,  -9.91, -10.06,  99.90,  -0.85,  (min)
02/16 08Z,   0.70,  -9.21,  -9.20,  99.90,  -0.69,
02/16 09Z,   0.60,  -6.22,  -6.21,  99.90,  -0.59,
02/16 10Z,   0.50,  -1.89,  -2.09,  99.90,  -0.70,
02/16 11Z,   0.40,   2.77,   2.45,  99.90,  -0.72,
02/16 12Z,   0.90,   6.74,   6.50,  99.90,  -1.14,
02/16 13Z,   0.70,   9.04,   8.92,  99.90,  -0.82,
02/16 14Z,   0.40,   9.12,   9.10,  99.90,  -0.42,  (max)
02/16 15Z,   0.20,   7.00,   7.04,  99.90,  -0.16,
02/16 16Z,   0.00,   3.21,   3.35,  99.90,   0.14,
02/16 17Z,   0.00,  -1.28,  -1.08,  99.90,   0.20,
02/16 18Z,   0.50,  -5.38,  -5.35,  99.90,  -0.47,
02/16 19Z,   0.40,  -7.99,  -8.04,  99.90,  -0.45,
02/16 20Z,   0.20,  -8.31,  -8.12,  99.90,  -0.01,  (min)
02/16 21Z,   0.20,  -6.35,  -5.95,  99.90,   0.20,
02/16 22Z,   0.10,  -2.90,  -2.55,  99.90,   0.25,
02/16 23Z,   0.00,   1.12,   1.41,  99.90,   0.29,
02/17 00Z,   0.30,   4.80,   5.13,  99.90,   0.03,
02/17 01Z,   0.20,   7.23,   7.48,  99.90,   0.05,
02/17 02Z,   0.00,   7.71,   7.81,  99.90,   0.10,  (max)
02/17 03Z,  -0.10,   6.09,   6.11,  99.90,   0.12,
02/17 04Z,  -0.30,   2.79,   2.89,  99.90,   0.40,
02/17 05Z,  -0.40,  -1.34,  -1.24,  99.90,   0.50,
02/17 06Z,  -0.10,  -5.24,  -5.28,  99.90,   0.06,
02/17 07Z,  -0.10,  -7.86,  -8.05,  99.90,  -0.09,
02/17 08Z,  -0.20,  -8.36,  -8.48,  99.90,   0.08,  (min)
02/17 09Z,  -0.20,  -6.54,  -6.42,  99.90,   0.32,
02/17 10Z,  -0.30,  -3.05,  -3.00,  99.90,   0.35,
02/17 11Z,  -0.30,   1.09,   0.96,  99.90,   0.17,
02/17 12Z,   0.00,   4.99,   4.90,  99.90,  -0.09,
02/17 13Z,   0.00,   7.77,   7.77,  99.90,   0.00,
02/17 14Z,   0.00,   8.71,   8.82,  99.90,   0.11,  (max)
02/17 15Z,  -0.20,   7.59,   7.73,  99.90,   0.34,
02/17 16Z,  -0.20,   4.69,   4.91,  99.90,   0.42,
02/17 17Z,  -0.20,   0.77,   1.04,  99.90,   0.47,
02/17 18Z,  -0.20,  -3.21,  -3.05,  99.90,   0.36,
02/17 19Z,  -0.10,  -6.32,  -6.34,  99.90,   0.08,
02/17 20Z,   0.00,  -7.76,  -7.78,  99.90,  -0.02,  (min)
02/17 21Z,   0.20,  -7.12,  -6.95,  99.90,  -0.03,
02/17 22Z,   0.50,  -4.71,  -4.47,  99.90,  -0.26,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/17 23Z,   0.50,  -1.40,  99.90,  -1.15,  -0.25,
02/18 00Z,   0.40,   2.02,  99.90,   2.17,  -0.24,
02/18 01Z,   0.20,   4.80,  99.90,   4.77,  -0.24,
02/18 02Z,   0.00,   6.24,  99.90,   6.01,  -0.23,  (max)
02/18 03Z,  -0.20,   5.90,  99.90,   5.49,  -0.22,
02/18 04Z,  -0.20,   3.88,  99.90,   3.48,  -0.21,
02/18 05Z,  -0.10,   0.74,  99.90,   0.44,  -0.20,
02/18 06Z,   0.10,  -2.64,  99.90,  -2.73,  -0.19,
02/18 07Z,   0.30,  -5.37,  99.90,  -5.25,  -0.18,
02/18 08Z,   0.40,  -6.67,  99.90,  -6.45,  -0.17,  (min)
02/18 09Z,   0.40,  -6.04,  99.90,  -5.81,  -0.16,
02/18 10Z,   0.50,  -3.60,  99.90,  -3.26,  -0.16,
02/18 11Z,   0.60,  -0.16,  99.90,   0.28,  -0.16,
02/18 12Z,   0.60,   3.34,  99.90,   3.78,  -0.16,
02/18 13Z,   0.50,   6.19,  99.90,   6.53,  -0.16,
02/18 14Z,   0.40,   7.73,  99.90,   7.98,  -0.16,  (max)
02/18 15Z,   0.30,   7.52,  99.90,   7.66,  -0.16,
02/18 16Z,   0.20,   5.59,  99.90,   5.63,  -0.16,
02/18 17Z,   0.10,   2.45,  99.90,   2.39,  -0.16,
02/18 18Z,   0.00,  -1.12,  99.90,  -1.27,  -0.16,
02/18 19Z,   0.10,  -4.26,  99.90,  -4.32,  -0.16,
02/18 20Z,   0.20,  -6.33,  99.90,  -6.29,  -0.16,
02/18 21Z,   0.30,  -6.84,  99.90,  -6.69,  -0.16,  (min)
02/18 22Z,   0.40,  -5.64,  99.90,  -5.40,  -0.16,
02/18 23Z,   0.50,  -3.25,  99.90,  -2.91,  -0.16,
02/19 00Z,   0.50,  -0.46,  99.90,  -0.12,  -0.16,
02/19 01Z,   0.40,   2.15,  99.90,   2.39,  -0.16,
02/19 02Z,   0.30,   4.04,  99.90,   4.19,  -0.16,
02/19 03Z,   0.20,   4.72,  99.90,   4.76,  -0.16,  (max)
02/19 04Z,   0.20,   3.97,  99.90,   4.01,  -0.16,
02/19 05Z,   0.30,   2.02,  99.90,   2.16,  -0.16,
02/19 06Z,   0.40,  -0.53,  99.90,  -0.29,  -0.16,
02/19 07Z,   0.50,  -2.92,  99.90,  -2.58,  -0.16,
02/19 08Z,   0.60,  -4.50,  99.90,  -4.06,  -0.16,
02/19 09Z,   0.70,  -4.78,  99.90,  -4.24,  -0.16,  (min)
02/19 10Z,   0.80,  -3.50,  99.90,  -2.86,  -0.16,
02/19 11Z,   0.90,  -0.99,  99.90,  -0.24,  -0.16,
02/19 12Z,   0.80,   1.95,  99.90,   2.59,  -0.16,
02/19 13Z,   0.70,   4.56,  99.90,   5.10,  -0.16,
02/19 14Z,   0.60,   6.35,  99.90,   6.79,  -0.16,
02/19 15Z,   0.60,   6.87,  99.90,   7.32,  -0.16,  (max)
02/19 16Z,   0.60,   5.92,  99.90,   6.36,  -0.16,
02/19 17Z,   0.70,   3.70,  99.90,   4.24,  -0.16,
02/19 18Z,   0.70,   0.78,  99.90,   1.32,  -0.16,
02/19 19Z,   0.80,  -2.12,  99.90,  -1.48,  -0.16,
02/19 20Z,   0.90,  -4.40,  99.90,  -3.65,  -0.16,
02/19 21Z,   1.00,  -5.66,  99.90,  -4.81,  -0.16,  (min)
02/19 22Z,   1.00,  -5.64,  99.90,  -4.79,  -0.16,
02/19 23Z,   0.90,  -4.37,  99.90,  -3.63,  -0.16,
02/20 00Z,   0.80,  -2.39,  99.90,  -1.75,  -0.16,
02/20 01Z,   0.80,  -0.31,  99.90,   0.34,  -0.16,
02/20 02Z,   0.70,   1.53,  99.90,   2.07,  -0.16,
02/20 03Z,   0.60,   2.77,  99.90,   3.22,  -0.16,
02/20 04Z,   0.60,   3.08,  99.90,   3.53,  -0.16,  (max)
02/20 05Z,   0.60,   2.37,  99.90,   2.81,  -0.16,
02/20 06Z,   0.80,   0.89,  99.90,   1.53,  -0.16,
02/20 07Z,   0.90,  -0.85,  99.90,  -0.10,  -0.16,
02/20 08Z,   0.90,  -2.28,  99.90,  -1.54,  -0.16,
02/20 09Z,   0.90,  -3.01,  99.90,  -2.27,  -0.16,  (min)
02/20 10Z,   0.80,  -2.73,  99.90,  -2.09,  -0.16,
02/20 11Z,   0.70,  -1.33,  99.90,  -0.79,  -0.16,
02/20 12Z,   0.50,   0.82,  99.90,   1.16,  -0.16,
02/20 13Z,   0.40,   3.02,  99.90,   3.26,  -0.16,
02/20 14Z,   0.40,   4.76,  99.90,   5.00,  -0.16,
02/20 15Z,   0.40,   5.74,  99.90,   5.98,  -0.16,
02/20 16Z,   0.50,   5.67,  99.90,   6.01,  -0.16,  (max)
02/20 17Z,   0.60,   4.46,  99.90,   4.91,  -0.16,
02/20 18Z,   0.80,   2.40,  99.90,   3.05,  -0.16,
02/20 19Z,   1.00,  -0.01,  99.90,   0.84,  -0.16,
02/20 20Z,   1.10,  -2.22,  99.90,  -1.28,  -0.16,
02/20 21Z,   1.20,  -3.86,  99.90,  -2.82,  -0.16,
02/20 22Z,   1.30,  -4.74,  99.90,  -3.59,  -0.16,  (min)
02/20 23Z,   1.30,  -4.67,  99.90,  -3.53,  -0.16,
02/21 00Z,   1.20,  -3.73,  99.90,  -2.69,  -0.16,
02/21 01Z,   1.10,  -2.36,  99.90,  -1.42,  -0.16,
02/21 02Z,   1.00,  -0.94,  99.90,  -0.09,  -0.16,
02/21 03Z,   0.80,   0.39,  99.90,   1.04,  -0.16,
02/21 04Z,   0.80,   1.40,  99.90,   2.05,  -0.16,
02/21 05Z,   0.80,   1.80,  99.90,   2.44,  -0.16,  (max)
02/21 06Z,   0.90,   1.50,  99.90,   2.24,  -0.16,
02/21 07Z,   1.00,   0.69,  99.90,   1.54,  -0.16,
02/21 08Z,   1.10,  -0.28,  99.90,   0.67,  -0.16,
02/21 09Z,   1.10,  -1.05,  99.90,  -0.11,  -0.16,
02/21 10Z,   1.10,  -1.39,  99.90,  -0.45,  -0.16,  (min)
02/21 11Z,   1.00,  -1.08,  99.90,  -0.23,  -0.16,
02/21 12Z,   1.00,   0.01,  99.90,   0.86,  -0.16,
02/21 13Z,  99.90,   1.57,  99.90,  99.90,  -0.16,
02/21 14Z,  99.90,   3.06,  99.90,  99.90,  -0.16,
02/21 15Z,  99.90,   4.21,  99.90,  99.90,  -0.16,
02/21 16Z,  99.90,   4.82,  99.90,  99.90,  -0.16,
02/21 17Z,  99.90,   4.65,  99.90,  99.90,  -0.16,
02/21 18Z,  99.90,   3.64,  99.90,  99.90,  -0.16,