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
#Skagway, AK : 10/17/2026 03:21:05 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/15 12Z,   2.50,   5.19,   4.35,  99.90,  -3.34,
10/15 13Z,   2.60,   5.25,   4.72,  99.90,  -3.13,  (max)
10/15 14Z,   2.70,   4.03,   3.78,  99.90,  -2.95,
10/15 15Z,   2.70,   1.98,   1.98,  99.90,  -2.70,
10/15 16Z,   2.70,  -0.37,  -0.31,  99.90,  -2.64,
10/15 17Z,   2.60,  -2.45,  -2.41,  99.90,  -2.56,
10/15 18Z,   2.90,  -3.57,  -3.82,  99.90,  -3.15,  (min)
10/15 19Z,   2.80,  -3.19,  -3.37,  99.90,  -2.98,
10/15 20Z,   2.80,  -1.37,  -1.68,  99.90,  -3.11,
10/15 21Z,   2.70,   1.30,   0.72,  99.90,  -3.28,
10/15 22Z,   2.50,   4.05,   3.55,  99.90,  -3.00,
10/15 23Z,   2.40,   6.23,   5.66,  99.90,  -2.97,
10/16 00Z,   2.90,   7.26,   6.83,  99.90,  -3.33,  (max)
10/16 01Z,   2.70,   6.77,   6.39,  99.90,  -3.08,
10/16 02Z,   2.40,   4.78,   4.55,  99.90,  -2.63,
10/16 03Z,   2.10,   1.77,   1.58,  99.90,  -2.29,
10/16 04Z,   2.00,  -1.59,  -1.73,  99.90,  -2.14,
10/16 05Z,   1.80,  -4.68,  -4.72,  99.90,  -1.84,
10/16 06Z,   2.50,  -6.80,  -6.76,  99.90,  -2.46,
10/16 07Z,   2.30,  -7.38,  -7.08,  99.90,  -2.00,  (min)
10/16 08Z,   2.10,  -6.26,  -6.20,  99.90,  -2.04,
10/16 09Z,   2.00,  -3.97,  -4.29,  99.90,  -2.32,
10/16 10Z,   2.00,  -1.23,  -1.66,  99.90,  -2.43,
10/16 11Z,   2.00,   1.33,   1.16,  99.90,  -2.17,
10/16 12Z,   3.00,   3.25,   3.37,  99.90,  -2.88,
10/16 13Z,   2.90,   4.15,   4.36,  99.90,  -2.69,  (max)
10/16 14Z,   2.80,   3.89,   4.11,  99.90,  -2.58,
10/16 15Z,   2.90,   2.72,   2.90,  99.90,  -2.72,
10/16 16Z,   3.00,   1.09,   1.66,  99.90,  -2.43,
10/16 17Z,   3.10,  -0.61,  -0.37,  99.90,  -2.86,
10/16 18Z,   3.20,  -1.95,  -2.18,  99.90,  -3.43,
10/16 19Z,   2.90,  -2.43,  -2.60,  99.90,  -3.07,  (min)
10/16 20Z,   2.50,  -1.71,  -1.79,  99.90,  -2.58,
10/16 21Z,   2.20,   0.01,  -0.12,  99.90,  -2.33,
10/16 22Z,   2.00,   2.17,   1.81,  99.90,  -2.36,
10/16 23Z,   1.70,   4.18,   3.90,  99.90,  -1.98,
10/17 00Z,   1.70,   5.60,   5.45,  99.90,  -1.85,
10/17 01Z,   1.90,   6.04,   5.97,  99.90,  -1.97,  (max)
10/17 02Z,   2.00,   5.20,   5.16,  99.90,  -2.04,
10/17 03Z,   2.30,   3.23,   3.23,  99.90,  -2.30,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/17 04Z,   2.50,   0.61,  99.90,   0.79,  -2.32,
10/17 05Z,   2.70,  -2.11,  99.90,  -1.75,  -2.34,
10/17 06Z,   2.70,  -4.44,  99.90,  -4.10,  -2.36,
10/17 07Z,   2.70,  -5.87,  99.90,  -5.54,  -2.37,
10/17 08Z,   2.50,  -5.99,  99.90,  -5.88,  -2.39,  (min)
10/17 09Z,   2.30,  -4.84,  99.90,  -4.95,  -2.41,
10/17 10Z,   2.00,  -2.93,  99.90,  -3.35,  -2.42,
10/17 11Z,   1.80,  -0.83,  99.90,  -1.47,  -2.44,
10/17 12Z,   1.60,   1.06,  99.90,   0.20,  -2.46,
10/17 13Z,   1.60,   2.45,  99.90,   1.58,  -2.48,
10/17 14Z,   1.90,   3.07,  99.90,   2.48,  -2.49,  (max)
10/17 15Z,   2.10,   2.83,  99.90,   2.42,  -2.51,
10/17 16Z,   2.40,   1.99,  99.90,   1.87,  -2.51,
10/17 17Z,   2.80,   0.86,  99.90,   1.15,  -2.51,
10/17 18Z,   3.10,  -0.28,  99.90,   0.31,  -2.51,
10/17 19Z,   3.20,  -1.15,  99.90,  -0.46,  -2.51,
10/17 20Z,   3.20,  -1.37,  99.90,  -0.68,  -2.51,  (min)
10/17 21Z,   3.10,  -0.70,  99.90,  -0.12,  -2.51,
10/17 22Z,   2.90,   0.63,  99.90,   1.02,  -2.51,
10/17 23Z,   2.50,   2.19,  99.90,   2.18,  -2.51,
10/18 00Z,   2.20,   3.59,  99.90,   3.28,  -2.51,
10/18 01Z,   2.00,   4.56,  99.90,   4.05,  -2.51,
10/18 02Z,   1.80,   4.76,  99.90,   4.05,  -2.51,  (max)
10/18 03Z,   1.60,   3.96,  99.90,   3.05,  -2.51,
10/18 04Z,   1.60,   2.31,  99.90,   1.39,  -2.51,
10/18 05Z,   1.80,   0.20,  99.90,  -0.51,  -2.51,
10/18 06Z,   1.90,  -1.94,  99.90,  -2.55,  -2.51,
10/18 07Z,   2.00,  -3.76,  99.90,  -4.27,  -2.51,
10/18 08Z,   2.10,  -4.86,  99.90,  -5.28,  -2.51,  (min)
10/18 09Z,   2.30,  -4.94,  99.90,  -5.15,  -2.51,
10/18 10Z,   2.40,  -4.05,  99.90,  -4.16,  -2.51,
10/18 11Z,   2.40,  -2.62,  99.90,  -2.73,  -2.51,
10/18 12Z,   2.50,  -1.05,  99.90,  -1.06,  -2.51,
10/18 13Z,   2.30,   0.46,  99.90,   0.24,  -2.51,
10/18 14Z,   2.20,   1.68,  99.90,   1.37,  -2.51,
10/18 15Z,   2.00,   2.36,  99.90,   1.85,  -2.51,  (max)
10/18 16Z,   1.70,   2.40,  99.90,   1.59,  -2.51,
10/18 17Z,   1.50,   1.96,  99.90,   0.94,  -2.51,
10/18 18Z,   1.30,   1.23,  99.90,   0.02,  -2.51,
10/18 19Z,   1.20,   0.37,  99.90,  -0.95,  -2.51,
10/18 20Z,   1.20,  -0.42,  99.90,  -1.74,  -2.51,
10/18 21Z,   1.20,  -0.77,  99.90,  -2.08,  -2.51,  (min)
10/18 22Z,   1.20,  -0.44,  99.90,  -1.75,  -2.51,
10/18 23Z,   1.30,   0.41,  99.90,  -0.80,  -2.51,
10/19 00Z,   1.40,   1.50,  99.90,   0.39,  -2.51,
10/19 01Z,   1.60,   2.60,  99.90,   1.69,  -2.51,
10/19 02Z,   1.80,   3.48,  99.90,   2.77,  -2.51,
10/19 03Z,   1.90,   3.81,  99.90,   3.20,  -2.51,  (max)
10/19 04Z,   2.00,   3.32,  99.90,   2.81,  -2.51,
10/19 05Z,   2.10,   2.09,  99.90,   1.68,  -2.51,
10/19 06Z,   2.10,   0.43,  99.90,   0.02,  -2.51,
10/19 07Z,   1.90,  -1.37,  99.90,  -1.98,  -2.51,
10/19 08Z,   1.50,  -3.04,  99.90,  -4.05,  -2.51,
10/19 09Z,   1.30,  -4.18,  99.90,  -5.40,  -2.51,
10/19 10Z,   1.00,  -4.48,  99.90,  -5.99,  -2.51,  (min)
10/19 11Z,   0.90,  -3.96,  99.90,  -5.57,  -2.51,
10/19 12Z,   0.90,  -2.91,  99.90,  -4.52,  -2.51,
10/19 13Z,   1.00,  -1.57,  99.90,  -3.08,  -2.51,
10/19 14Z,   1.10,  -0.06,  99.90,  -1.47,  -2.51,
10/19 15Z,   1.40,   1.35,  99.90,   0.24,  -2.51,
10/19 16Z,   1.60,   2.34,  99.90,   1.42,  -2.51,
10/19 17Z,   1.90,   2.71,  99.90,   2.10,  -2.51,  (max)
10/19 18Z,   2.00,   2.55,  99.90,   2.03,  -2.51,
10/19 19Z,   2.10,   1.93,  99.90,   1.52,  -2.51,
10/19 20Z,   2.20,   0.94,  99.90,   0.63,  -2.51,
10/19 21Z,   2.20,  -0.15,  99.90,  -0.46,  -2.51,
10/19 22Z,   2.00,  -0.90,  99.90,  -1.41,  -2.51,
10/19 23Z,   1.70,  -1.01,  99.90,  -1.82,  -2.51,  (min)
10/20 00Z,   1.50,  -0.52,  99.90,  -1.53,  -2.51,
10/20 01Z,   1.40,   0.40,  99.90,  -0.72,  -2.51,
10/20 02Z,   1.40,   1.57,  99.90,   0.46,  -2.51,
10/20 03Z,   1.50,   2.74,  99.90,   1.73,  -2.51,
10/20 04Z,   1.60,   3.45,  99.90,   2.54,  -2.51,
10/20 05Z,   1.70,   3.36,  99.90,   2.55,  -2.51,  (max)
10/20 06Z,   1.80,   2.48,  99.90,   1.76,  -2.51,
10/20 07Z,   1.90,   1.02,  99.90,   0.41,  -2.51,
10/20 08Z,   1.90,  -0.78,  99.90,  -1.40,  -2.51,
10/20 09Z,   1.90,  -2.64,  99.90,  -3.25,  -2.51,
10/20 10Z,   1.80,  -4.07,  99.90,  -4.78,  -2.51,
10/20 11Z,   1.80,  -4.68,  99.90,  -5.40,  -2.51,  (min)
10/20 12Z,   1.80,  -4.41,  99.90,  -5.12,  -2.51,
10/20 13Z,   1.90,  -3.44,  99.90,  -4.05,  -2.51,
10/20 14Z,   2.00,  -1.94,  99.90,  -2.45,  -2.51,
10/20 15Z,   2.20,  -0.07,  99.90,  -0.39,  -2.51,
10/20 16Z,   2.40,   1.76,  99.90,   1.65,  -2.51,
10/20 17Z,   2.50,   3.09,  99.90,   3.08,  -2.51,
10/20 18Z,   2.50,   3.66,  99.90,   3.65,  -2.51,
10/20 19Z,  99.90,   3.46,  99.90,  99.90,  -2.51,
10/20 20Z,  99.90,   2.55,  99.90,  99.90,  -2.51,
10/20 21Z,  99.90,   1.05,  99.90,  99.90,  -2.51,
10/20 22Z,  99.90,  -0.62,  99.90,  99.90,  -2.51,
10/20 23Z,  99.90,  -1.86,  99.90,  99.90,  -2.51,
10/21 00Z,  99.90,  -2.30,  99.90,  99.90,  -2.51,