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
#Ketchikan, AK : 04/14/2026 06:21:05 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/12 12Z,  -0.10,  -2.29,  -2.02,  99.90,   0.37,  (min)
04/12 13Z,  -0.20,  -1.60,  -1.37,  99.90,   0.43,
04/12 14Z,  -0.20,  -0.24,  -0.04,  99.90,   0.40,
04/12 15Z,  -0.30,   1.42,   1.56,  99.90,   0.44,
04/12 16Z,  -0.30,   2.93,   3.02,  99.90,   0.39,
04/12 17Z,  -0.40,   3.84,   3.92,  99.90,   0.48,
04/12 18Z,  -0.20,   3.86,   3.94,  99.90,   0.28,  (max)
04/12 19Z,  -0.20,   2.87,   3.05,  99.90,   0.38,
04/12 20Z,  -0.20,   1.06,   1.29,  99.90,   0.43,
04/12 21Z,  -0.20,  -1.23,  -0.91,  99.90,   0.52,
04/12 22Z,  -0.20,  -3.47,  -3.13,  99.90,   0.54,
04/12 23Z,  -0.10,  -5.16,  -4.79,  99.90,   0.47,
04/13 00Z,   0.00,  -5.91,  -5.63,  99.90,   0.28,  (min)
04/13 01Z,   0.00,  -5.53,  -5.31,  99.90,   0.22,
04/13 02Z,   0.00,  -4.09,  -3.94,  99.90,   0.15,
04/13 03Z,  -0.10,  -1.91,  -1.75,  99.90,   0.26,
04/13 04Z,  -0.10,   0.53,   0.72,  99.90,   0.29,
04/13 05Z,  -0.10,   2.68,   2.93,  99.90,   0.35,
04/13 06Z,   0.10,   4.04,   4.33,  99.90,   0.19,
04/13 07Z,   0.00,   4.29,   4.68,  99.90,   0.39,  (max)
04/13 08Z,   0.00,   3.39,   3.89,  99.90,   0.50,
04/13 09Z,   0.00,   1.60,   2.19,  99.90,   0.59,
04/13 10Z,   0.00,  -0.59,  -0.06,  99.90,   0.53,
04/13 11Z,   0.00,  -2.57,  -2.14,  99.90,   0.43,
04/13 12Z,   0.20,  -3.79,  -3.41,  99.90,   0.18,
04/13 13Z,   0.20,  -3.89,  -3.62,  99.90,   0.07,  (min)
04/13 14Z,   0.10,  -2.83,  -2.62,  99.90,   0.11,
04/13 15Z,   0.10,  -0.89,  -0.71,  99.90,   0.08,
04/13 16Z,   0.00,   1.43,   1.57,  99.90,   0.14,
04/13 17Z,   0.00,   3.50,   3.67,  99.90,   0.17,
04/13 18Z,   0.30,   4.74,   4.85,  99.90,  -0.19,
04/13 19Z,   0.20,   4.77,   4.93,  99.90,  -0.04,  (max)
04/13 20Z,   0.20,   3.52,   3.74,  99.90,   0.02,
04/13 21Z,   0.10,   1.21,   1.45,  99.90,   0.14,
04/13 22Z,   0.10,  -1.61,  -1.38,  99.90,   0.13,
04/13 23Z,   0.10,  -4.29,  -4.08,  99.90,   0.11,
04/14 00Z,   0.30,  -6.15,  -6.08,  99.90,  -0.23,
04/14 01Z,   0.30,  -6.73,  -6.61,  99.90,  -0.18,  (min)
04/14 02Z,   0.30,  -5.86,  -5.64,  99.90,  -0.08,
04/14 03Z,   0.20,  -3.75,  -3.46,  99.90,   0.09,
04/14 04Z,   0.20,  -0.87,  -0.51,  99.90,   0.16,
04/14 05Z,   0.10,   2.09,   2.47,  99.90,   0.28,
04/14 06Z,   0.20,   4.45,   4.77,  99.90,   0.12,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/14 07Z,   0.20,   5.63,  99.90,   5.96,   0.13,  (max)
04/14 08Z,   0.20,   5.34,  99.90,   5.69,   0.14,
04/14 09Z,   0.20,   3.64,  99.90,   4.00,   0.15,
04/14 10Z,   0.20,   0.95,  99.90,   1.31,   0.16,
04/14 11Z,   0.20,  -2.03,  99.90,  -1.66,   0.17,
04/14 12Z,   0.20,  -4.49,  99.90,  -4.11,   0.18,
04/14 13Z,   0.20,  -5.77,  99.90,  -5.37,   0.20,  (min)
04/14 14Z,   0.10,  -5.50,  99.90,  -5.20,   0.21,
04/14 15Z,   0.10,  -3.77,  99.90,  -3.45,   0.22,
04/14 16Z,   0.00,  -1.03,  99.90,  -0.80,   0.23,
04/14 17Z,   0.00,   1.99,  99.90,   2.23,   0.24,
04/14 18Z,   0.00,   4.50,  99.90,   4.75,   0.25,
04/14 19Z,   0.00,   5.84,  99.90,   6.09,   0.25,  (max)
04/14 20Z,   0.00,   5.63,  99.90,   5.88,   0.25,
04/14 21Z,   0.00,   3.86,  99.90,   4.10,   0.25,
04/14 22Z,   0.00,   0.93,  99.90,   1.18,   0.25,
04/14 23Z,   0.00,  -2.44,  99.90,  -2.19,   0.25,
04/15 00Z,   0.00,  -5.39,  99.90,  -5.14,   0.25,
04/15 01Z,   0.00,  -7.13,  99.90,  -6.88,   0.25,  (min)
04/15 02Z,   0.10,  -7.21,  99.90,  -6.86,   0.25,
04/15 03Z,   0.10,  -5.58,  99.90,  -5.23,   0.25,
04/15 04Z,   0.10,  -2.65,  99.90,  -2.30,   0.25,
04/15 05Z,   0.00,   0.88,  99.90,   1.13,   0.25,
04/15 06Z,   0.00,   4.16,  99.90,   4.41,   0.25,
04/15 07Z,  -0.10,   6.42,  99.90,   6.56,   0.25,
04/15 08Z,  -0.20,   7.07,  99.90,   7.12,   0.25,  (max)
04/15 09Z,  -0.20,   5.93,  99.90,   5.98,   0.25,
04/15 10Z,  -0.20,   3.21,  99.90,   3.26,   0.25,
04/15 11Z,  -0.10,  -0.43,  99.90,  -0.28,   0.25,
04/15 12Z,  -0.10,  -4.07,  99.90,  -3.92,   0.25,
04/15 13Z,  -0.10,  -6.74,  99.90,  -6.59,   0.25,
04/15 14Z,  -0.10,  -7.72,  99.90,  -7.58,   0.25,  (min)
04/15 15Z,  -0.20,  -6.78,  99.90,  -6.73,   0.25,
04/15 16Z,  -0.20,  -4.18,  99.90,  -4.13,   0.25,
04/15 17Z,  -0.30,  -0.63,  99.90,  -0.68,   0.25,
04/15 18Z,  -0.30,   2.97,  99.90,   2.91,   0.25,
04/15 19Z,  -0.40,   5.69,  99.90,   5.54,   0.25,
04/15 20Z,  -0.40,   6.87,  99.90,   6.72,   0.25,  (max)
04/15 21Z,  -0.30,   6.18,  99.90,   6.12,   0.25,
04/15 22Z,  -0.30,   3.76,  99.90,   3.71,   0.25,
04/15 23Z,  -0.20,   0.21,  99.90,   0.26,   0.25,
04/16 00Z,  -0.20,  -3.53,  99.90,  -3.49,   0.25,
04/16 01Z,  -0.20,  -6.46,  99.90,  -6.42,   0.25,
04/16 02Z,  -0.20,  -7.77,  99.90,  -7.72,   0.25,  (min)
04/16 03Z,  -0.20,  -7.08,  99.90,  -7.03,   0.25,
04/16 04Z,  -0.30,  -4.57,  99.90,  -4.62,   0.25,
04/16 05Z,  -0.30,  -0.88,  99.90,  -0.93,   0.25,
04/16 06Z,  -0.40,   3.09,  99.90,   2.94,   0.25,
04/16 07Z,  -0.50,   6.37,  99.90,   6.12,   0.25,
04/16 08Z,  -0.50,   8.18,  99.90,   7.93,   0.25,  (max)
04/16 09Z,  -0.50,   8.02,  99.90,   7.77,   0.25,
04/16 10Z,  -0.50,   5.84,  99.90,   5.59,   0.25,
04/16 11Z,  -0.40,   2.08,  99.90,   1.93,   0.25,
04/16 12Z,  -0.30,  -2.36,  99.90,  -2.41,   0.25,
04/16 13Z,  -0.30,  -6.37,  99.90,  -6.42,   0.25,
04/16 14Z,  -0.20,  -8.89,  99.90,  -8.84,   0.25,
04/16 15Z,  -0.20,  -9.28,  99.90,  -9.23,   0.25,  (min)
04/16 16Z,  -0.30,  -7.48,  99.90,  -7.53,   0.25,
04/16 17Z,  -0.30,  -4.01,  99.90,  -4.07,   0.25,
04/16 18Z,  -0.40,   0.20,  99.90,   0.05,   0.25,
04/16 19Z,  -0.50,   4.12,  99.90,   3.86,   0.25,
04/16 20Z,  -0.50,   6.78,  99.90,   6.53,   0.25,
04/16 21Z,  -0.50,   7.56,  99.90,   7.31,   0.25,  (max)
04/16 22Z,  -0.50,   6.26,  99.90,   6.01,   0.25,
04/16 23Z,  -0.40,   3.21,  99.90,   3.05,   0.25,
04/17 00Z,  -0.30,  -0.80,  99.90,  -0.85,   0.25,
04/17 01Z,  -0.20,  -4.64,  99.90,  -4.59,   0.25,
04/17 02Z,  -0.20,  -7.23,  99.90,  -7.18,   0.25,
04/17 03Z,  -0.20,  -7.83,  99.90,  -7.78,   0.25,  (min)
04/17 04Z,  -0.30,  -6.25,  99.90,  -6.30,   0.25,
04/17 05Z,  -0.40,  -2.93,  99.90,  -3.08,   0.25,
04/17 06Z,  -0.50,   1.29,  99.90,   1.04,   0.25,
04/17 07Z,  -0.50,   5.37,  99.90,   5.11,   0.25,
04/17 08Z,  -0.60,   8.32,  99.90,   7.97,   0.25,
04/17 09Z,  -0.50,   9.41,  99.90,   9.16,   0.25,  (max)
04/17 10Z,  -0.50,   8.28,  99.90,   8.02,   0.25,
04/17 11Z,  -0.40,   5.06,  99.90,   4.91,   0.25,
04/17 12Z,  -0.30,   0.43,  99.90,   0.38,   0.25,
04/17 13Z,  -0.30,  -4.51,  99.90,  -4.56,   0.25,
04/17 14Z,  -0.30,  -8.52,  99.90,  -8.57,   0.25,
04/17 15Z,  -0.30, -10.56,  99.90, -10.62,   0.25,  (min)
04/17 16Z,  -0.40, -10.17,  99.90, -10.32,   0.25,
04/17 17Z,  -0.40,  -7.52,  99.90,  -7.67,   0.25,
04/17 18Z,  -0.50,  -3.36,  99.90,  -3.61,   0.25,
04/17 19Z,  -0.60,   1.23,  99.90,   0.88,   0.25,
04/17 20Z,  -0.50,   5.16,  99.90,   4.91,   0.25,
04/17 21Z,  -0.50,   7.51,  99.90,   7.26,   0.25,
04/17 22Z,  -0.40,   7.75,  99.90,   7.60,   0.25,  (max)
04/17 23Z,  -0.30,   5.84,  99.90,   5.79,   0.25,
04/18 00Z,  -0.20,   2.30,  99.90,   2.35,   0.25,