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 : 04/16/2026 14:21:17 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/14 18Z,   1.80,  12.50,  11.83,  99.90,  -2.47,
04/14 19Z,   1.90,  14.63,  13.72,  99.90,  -2.81,
04/14 20Z,   1.90,  15.14,  14.31,  99.90,  -2.73,  (max)
04/14 21Z,   1.90,  13.98,  13.20,  99.90,  -2.68,
04/14 22Z,   2.00,  11.47,  10.68,  99.90,  -2.79,
04/14 23Z,   2.00,   8.07,   7.34,  99.90,  -2.73,
04/15 00Z,   1.70,   4.52,   3.69,  99.90,  -2.53,
04/15 01Z,   1.70,   1.81,   0.95,  99.90,  -2.56,
04/15 02Z,   1.80,   0.79,  -0.24,  99.90,  -2.83,  (min)
04/15 03Z,   1.80,   1.75,   0.87,  99.90,  -2.68,
04/15 04Z,   1.80,   4.35,   3.42,  99.90,  -2.73,
04/15 05Z,   1.90,   7.95,   7.02,  99.90,  -2.83,
04/15 06Z,   1.80,  11.75,  10.84,  99.90,  -2.71,
04/15 07Z,   1.80,  14.79,  13.75,  99.90,  -2.84,
04/15 08Z,   1.80,  16.27,  15.30,  99.90,  -2.77,  (max)
04/15 09Z,   1.80,  15.89,  14.88,  99.90,  -2.81,
04/15 10Z,   1.80,  13.82,  12.81,  99.90,  -2.81,
04/15 11Z,   1.80,  10.42,   9.67,  99.90,  -2.55,
04/15 12Z,   1.60,   6.37,   5.59,  99.90,  -2.38,
04/15 13Z,   1.40,   2.68,   1.95,  99.90,  -2.13,
04/15 14Z,   1.40,   0.52,  -0.43,  99.90,  -2.35,  (min)
04/15 15Z,   1.40,   0.53,  -0.32,  99.90,  -2.25,
04/15 16Z,   1.50,   2.63,   1.82,  99.90,  -2.31,
04/15 17Z,   1.60,   6.17,   5.09,  99.90,  -2.68,
04/15 18Z,   1.40,  10.24,   9.16,  99.90,  -2.48,
04/15 19Z,   1.50,  13.81,  12.68,  99.90,  -2.63,
04/15 20Z,   1.60,  15.90,  14.74,  99.90,  -2.76,
04/15 21Z,   1.70,  16.02,  14.82,  99.90,  -2.90,  (max)
04/15 22Z,   1.90,  14.28,  13.18,  99.90,  -3.00,
04/15 23Z,   2.00,  11.12,  10.05,  99.90,  -3.07,
04/16 00Z,   1.60,   7.16,   6.13,  99.90,  -2.63,
04/16 01Z,   1.70,   3.33,   2.28,  99.90,  -2.75,
04/16 02Z,   1.70,   0.79,  -0.40,  99.90,  -2.89,
04/16 03Z,   1.80,   0.41,  -0.84,  99.90,  -3.05,  (min)
04/16 04Z,   1.90,   2.28,   1.35,  99.90,  -2.83,
04/16 05Z,   2.00,   5.83,   4.77,  99.90,  -3.06,
04/16 06Z,   1.50,  10.15,   9.16,  99.90,  -2.49,
04/16 07Z,   1.50,  14.21,  13.04,  99.90,  -2.67,
04/16 08Z,   1.60,  16.97,  15.93,  99.90,  -2.64,
04/16 09Z,   1.60,  17.73,  16.78,  99.90,  -2.55,  (max)
04/16 10Z,   1.70,  16.34,  15.17,  99.90,  -2.87,
04/16 11Z,   1.80,  13.15,  12.26,  99.90,  -2.69,
04/16 12Z,   1.80,   8.73,   7.75,  99.90,  -2.78,
04/16 13Z,   1.90,   3.97,   3.01,  99.90,  -2.86,
04/16 14Z,   1.90,   0.14,  -0.97,  99.90,  -3.01,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/16 15Z,   1.90,  -1.58,  99.90,  -2.66,  -2.98,  (min)
04/16 16Z,   1.80,  -0.68,  99.90,  -1.83,  -2.95,
04/16 17Z,   1.80,   2.45,  99.90,   1.33,  -2.92,
04/16 18Z,   1.70,   6.88,  99.90,   5.69,  -2.89,
04/16 19Z,   1.60,  11.49,  99.90,  10.23,  -2.86,
04/16 20Z,   1.60,  15.13,  99.90,  13.89,  -2.84,
04/16 21Z,   1.60,  16.88,  99.90,  15.68,  -2.81,  (max)
04/16 22Z,   1.60,  16.45,  99.90,  15.27,  -2.78,
04/16 23Z,   1.60,  14.08,  99.90,  12.93,  -2.75,
04/17 00Z,   1.70,  10.35,  99.90,   9.33,  -2.72,
04/17 01Z,   1.70,   6.04,  99.90,   5.05,  -2.69,
04/17 02Z,   1.70,   2.26,  99.90,   1.29,  -2.67,
04/17 03Z,   1.80,   0.24,  99.90,  -0.63,  -2.67,  (min)
04/17 04Z,   1.80,   0.74,  99.90,  -0.13,  -2.67,
04/17 05Z,   1.80,   3.58,  99.90,   2.71,  -2.67,
04/17 06Z,   1.80,   7.90,  99.90,   7.04,  -2.67,
04/17 07Z,   1.70,  12.61,  99.90,  11.64,  -2.67,
04/17 08Z,   1.70,  16.53,  99.90,  15.57,  -2.67,
04/17 09Z,   1.70,  18.68,  99.90,  17.71,  -2.67,  (max)
04/17 10Z,   1.60,  18.49,  99.90,  17.42,  -2.67,
04/17 11Z,   1.50,  16.03,  99.90,  14.87,  -2.67,
04/17 12Z,   1.50,  11.82,  99.90,  10.65,  -2.67,
04/17 13Z,   1.50,   6.62,  99.90,   5.45,  -2.67,
04/17 14Z,   1.50,   1.53,  99.90,   0.36,  -2.67,
04/17 15Z,   1.60,  -2.05,  99.90,  -3.12,  -2.67,
04/17 16Z,   1.70,  -3.00,  99.90,  -3.97,  -2.67,  (min)
04/17 17Z,   1.80,  -1.10,  99.90,  -1.96,  -2.67,
04/17 18Z,   1.70,   2.96,  99.90,   1.99,  -2.67,
04/17 19Z,   1.70,   7.99,  99.90,   7.02,  -2.67,
04/17 20Z,   1.60,  12.76,  99.90,  11.69,  -2.67,
04/17 21Z,   1.50,  16.13,  99.90,  14.97,  -2.67,
04/17 22Z,   1.40,  17.36,  99.90,  16.10,  -2.67,  (max)
04/17 23Z,   1.40,  16.32,  99.90,  15.06,  -2.67,
04/18 00Z,   1.50,  13.42,  99.90,  12.25,  -2.67,
04/18 01Z,   1.60,   9.33,  99.90,   8.27,  -2.67,
04/18 02Z,   1.80,   4.97,  99.90,   4.11,  -2.67,
04/18 03Z,   1.90,   1.57,  99.90,   0.80,  -2.67,
04/18 04Z,   2.00,   0.33,  99.90,  -0.34,  -2.67,  (min)
04/18 05Z,   2.10,   1.77,  99.90,   1.20,  -2.67,
04/18 06Z,   2.10,   5.42,  99.90,   4.86,  -2.67,
04/18 07Z,   2.00,  10.20,  99.90,   9.53,  -2.67,
04/18 08Z,   1.80,  14.88,  99.90,  14.01,  -2.67,
04/18 09Z,   1.60,  18.31,  99.90,  17.25,  -2.67,
04/18 10Z,   1.40,  19.62,  99.90,  18.35,  -2.67,  (max)
04/18 11Z,   1.40,  18.44,  99.90,  17.17,  -2.67,
04/18 12Z,   1.40,  15.04,  99.90,  13.77,  -2.67,
04/18 13Z,   1.40,  10.08,  99.90,   8.81,  -2.67,
04/18 14Z,   1.50,   4.48,  99.90,   3.32,  -2.67,
04/18 15Z,   1.60,  -0.51,  99.90,  -1.58,  -2.67,
04/18 16Z,   1.80,  -3.48,  99.90,  -4.35,  -2.67,  (min)
04/18 17Z,   1.90,  -3.51,  99.90,  -4.27,  -2.67,
04/18 18Z,   2.00,  -0.70,  99.90,  -1.37,  -2.67,
04/18 19Z,   2.00,   3.96,  99.90,   3.29,  -2.67,
04/18 20Z,   2.00,   9.18,  99.90,   8.51,  -2.67,
04/18 21Z,   1.80,  13.73,  99.90,  12.86,  -2.67,
04/18 22Z,   1.60,  16.60,  99.90,  15.53,  -2.67,
04/18 23Z,   1.50,  17.22,  99.90,  16.06,  -2.67,  (max)
04/19 00Z,   1.50,  15.66,  99.90,  14.49,  -2.67,
04/19 01Z,   1.60,  12.42,  99.90,  11.36,  -2.67,
04/19 02Z,   1.70,   8.27,  99.90,   7.31,  -2.67,
04/19 03Z,   1.90,   4.20,  99.90,   3.43,  -2.67,
04/19 04Z,   2.00,   1.45,  99.90,   0.78,  -2.67,
04/19 05Z,   2.20,   1.08,  99.90,   0.62,  -2.67,  (min)
04/19 06Z,   2.30,   3.33,  99.90,   2.96,  -2.67,
04/19 07Z,   2.30,   7.46,  99.90,   7.09,  -2.67,
04/19 08Z,   2.30,  12.27,  99.90,  11.90,  -2.67,
04/19 09Z,   2.10,  16.55,  99.90,  15.98,  -2.67,
04/19 10Z,   2.00,  19.26,  99.90,  18.59,  -2.67,
04/19 11Z,   1.70,  19.69,  99.90,  18.72,  -2.67,  (max)
04/19 12Z,   1.50,  17.66,  99.90,  16.50,  -2.67,
04/19 13Z,   1.50,  13.61,  99.90,  12.45,  -2.67,
04/19 14Z,   1.50,   8.31,  99.90,   7.14,  -2.67,
04/19 15Z,   1.60,   2.75,  99.90,   1.69,  -2.67,
04/19 16Z,   1.80,  -1.76,  99.90,  -2.63,  -2.67,
04/19 17Z,   2.00,  -3.93,  99.90,  -4.59,  -2.67,  (min)
04/19 18Z,   2.10,  -3.10,  99.90,  -3.67,  -2.67,
04/19 19Z,   2.40,   0.29,  99.90,   0.03,  -2.67,
04/19 20Z,   2.50,   5.13,  99.90,   4.96,  -2.67,
04/19 21Z,   2.50,  10.12,  99.90,   9.96,  -2.67,
04/19 22Z,   2.50,  14.17,  99.90,  14.00,  -2.67,
04/19 23Z,   2.30,  16.42,  99.90,  16.06,  -2.67,  (max)
04/20 00Z,   2.10,  16.50,  99.90,  15.94,  -2.67,
04/20 01Z,   1.80,  14.61,  99.90,  13.75,  -2.67,
04/20 02Z,   1.60,  11.33,  99.90,  10.27,  -2.67,
04/20 03Z,   1.70,   7.44,  99.90,   6.47,  -2.67,
04/20 04Z,   1.80,   3.92,  99.90,   3.05,  -2.67,
04/20 05Z,   1.90,   1.94,  99.90,   1.17,  -2.67,  (min)
04/20 06Z,   2.10,   2.34,  99.90,   1.77,  -2.67,