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 : 04/12/2026 00:21:48 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/10 06Z,   1.60,   9.56,   8.58,  99.90,  -2.58,
04/10 07Z,   1.60,   8.79,   7.65,  99.90,  -2.74,
04/10 08Z,   1.60,   8.05,   6.90,  99.90,  -2.75,
04/10 09Z,   1.50,   7.66,   6.60,  99.90,  -2.56,  (min)
04/10 10Z,   1.50,   7.91,   6.76,  99.90,  -2.65,
04/10 11Z,   1.40,   8.74,   7.62,  99.90,  -2.52,
04/10 12Z,   1.50,   9.87,   8.78,  99.90,  -2.59,
04/10 13Z,   1.40,  11.01,  10.07,  99.90,  -2.34,
04/10 14Z,   1.40,  11.98,  10.99,  99.90,  -2.39,
04/10 15Z,   1.40,  12.48,  11.31,  99.90,  -2.57,  (max)
04/10 16Z,   1.40,  12.21,  10.78,  99.90,  -2.83,
04/10 17Z,   1.30,  11.12,   9.74,  99.90,  -2.68,
04/10 18Z,   1.40,   9.49,   8.20,  99.90,  -2.69,
04/10 19Z,   1.30,   7.64,   6.25,  99.90,  -2.69,
04/10 20Z,   1.30,   5.86,   4.58,  99.90,  -2.58,
04/10 21Z,   1.40,   4.48,   3.31,  99.90,  -2.57,
04/10 22Z,   1.40,   3.89,   2.82,  99.90,  -2.47,  (min)
04/10 23Z,   1.40,   4.18,   3.10,  99.90,  -2.48,
04/11 00Z,   1.30,   5.11,   3.92,  99.90,  -2.49,
04/11 01Z,   1.30,   6.37,   5.24,  99.90,  -2.43,
04/11 02Z,   1.30,   7.81,   6.74,  99.90,  -2.37,
04/11 03Z,   1.30,   9.23,   8.12,  99.90,  -2.41,
04/11 04Z,   1.40,  10.34,   9.23,  99.90,  -2.51,
04/11 05Z,   1.40,  10.86,   9.82,  99.90,  -2.44,  (max)
04/11 06Z,   1.40,  10.82,   9.79,  99.90,  -2.43,
04/11 07Z,   1.40,  10.34,   9.36,  99.90,  -2.38,
04/11 08Z,   1.40,   9.49,   8.43,  99.90,  -2.46,
04/11 09Z,   1.40,   8.46,   7.37,  99.90,  -2.49,
04/11 10Z,   1.50,   7.65,   6.60,  99.90,  -2.55,
04/11 11Z,   1.50,   7.44,   6.35,  99.90,  -2.59,  (min)
04/11 12Z,   1.40,   7.89,   6.82,  99.90,  -2.47,
04/11 13Z,   1.30,   8.81,   7.74,  99.90,  -2.37,
04/11 14Z,   1.30,  10.00,   8.86,  99.90,  -2.44,
04/11 15Z,   1.40,  11.25,  10.24,  99.90,  -2.41,
04/11 16Z,   1.40,  12.15,  10.95,  99.90,  -2.60,
04/11 17Z,   1.40,  12.29,  10.97,  99.90,  -2.72,  (max)
04/11 18Z,   1.30,  11.54,  10.21,  99.90,  -2.63,
04/11 19Z,   1.30,  10.12,   8.79,  99.90,  -2.63,
04/11 20Z,   1.40,   8.26,   6.97,  99.90,  -2.69,
04/11 21Z,   1.50,   6.26,   4.97,  99.90,  -2.79,
04/11 22Z,   1.50,   4.54,   3.40,  99.90,  -2.64,
04/11 23Z,   1.60,   3.58,   2.54,  99.90,  -2.64,  (min)
04/12 00Z,   1.50,   3.58,   2.58,  99.90,  -2.50,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/12 01Z,   1.50,   4.39,  99.90,   3.37,  -2.52,
04/12 02Z,   1.50,   5.79,  99.90,   4.75,  -2.54,
04/12 03Z,   1.50,   7.61,  99.90,   6.54,  -2.57,
04/12 04Z,   1.50,   9.53,  99.90,   8.43,  -2.59,
04/12 05Z,   1.60,  11.06,  99.90,  10.05,  -2.62,
04/12 06Z,   1.70,  11.87,  99.90,  10.93,  -2.64,
04/12 07Z,   1.80,  11.87,  99.90,  11.01,  -2.66,  (max)
04/12 08Z,   1.80,  11.16,  99.90,  10.27,  -2.69,
04/12 09Z,   1.80,   9.82,  99.90,   8.91,  -2.71,
04/12 10Z,   1.80,   8.17,  99.90,   7.23,  -2.74,
04/12 11Z,   1.80,   6.78,  99.90,   5.82,  -2.76,
04/12 12Z,   1.80,   6.17,  99.90,   5.19,  -2.78,  (min)
04/12 13Z,   1.80,   6.49,  99.90,   5.50,  -2.78,
04/12 14Z,   1.70,   7.58,  99.90,   6.50,  -2.78,
04/12 15Z,   1.70,   9.23,  99.90,   8.14,  -2.78,
04/12 16Z,   1.60,  11.06,  99.90,   9.87,  -2.78,
04/12 17Z,   1.60,  12.48,  99.90,  11.30,  -2.78,
04/12 18Z,   1.50,  12.97,  99.90,  11.69,  -2.78,  (max)
04/12 19Z,   1.50,  12.37,  99.90,  11.08,  -2.78,
04/12 20Z,   1.50,  10.84,  99.90,   9.56,  -2.78,
04/12 21Z,   1.50,   8.65,  99.90,   7.37,  -2.78,
04/12 22Z,   1.60,   6.17,  99.90,   4.99,  -2.78,
04/12 23Z,   1.70,   3.99,  99.90,   2.91,  -2.78,
04/13 00Z,   1.80,   2.74,  99.90,   1.75,  -2.78,  (min)
04/13 01Z,   2.00,   2.70,  99.90,   1.91,  -2.78,
04/13 02Z,   2.20,   3.77,  99.90,   3.19,  -2.78,
04/13 03Z,   2.50,   5.71,  99.90,   5.43,  -2.78,
04/13 04Z,   2.70,   8.19,  99.90,   8.10,  -2.78,
04/13 05Z,   2.80,  10.67,  99.90,  10.69,  -2.78,
04/13 06Z,   2.80,  12.52,  99.90,  12.54,  -2.78,
04/13 07Z,   2.60,  13.31,  99.90,  13.13,  -2.78,  (max)
04/13 08Z,   2.30,  12.97,  99.90,  12.49,  -2.78,
04/13 09Z,   2.10,  11.62,  99.90,  10.93,  -2.78,
04/13 10Z,   1.90,   9.46,  99.90,   8.58,  -2.78,
04/13 11Z,   1.70,   7.04,  99.90,   5.95,  -2.78,
04/13 12Z,   1.70,   5.12,  99.90,   4.03,  -2.78,
04/13 13Z,   1.80,   4.35,  99.90,   3.36,  -2.78,  (min)
04/13 14Z,   2.00,   4.90,  99.90,   4.11,  -2.78,
04/13 15Z,   2.20,   6.56,  99.90,   5.98,  -2.78,
04/13 16Z,   2.50,   8.97,  99.90,   8.68,  -2.78,
04/13 17Z,   2.70,  11.50,  99.90,  11.42,  -2.78,
04/13 18Z,   2.80,  13.39,  99.90,  13.41,  -2.78,
04/13 19Z,   2.90,  14.03,  99.90,  14.14,  -2.78,  (max)
04/13 20Z,   2.80,  13.28,  99.90,  13.29,  -2.78,
04/13 21Z,   2.70,  11.36,  99.90,  11.27,  -2.78,
04/13 22Z,   2.50,   8.60,  99.90,   8.32,  -2.78,
04/13 23Z,   2.40,   5.55,  99.90,   5.16,  -2.78,
04/14 00Z,   2.20,   2.98,  99.90,   2.40,  -2.78,
04/14 01Z,   2.10,   1.68,  99.90,   1.00,  -2.78,  (min)
04/14 02Z,   2.10,   1.96,  99.90,   1.28,  -2.78,
04/14 03Z,   2.20,   3.67,  99.90,   3.09,  -2.78,
04/14 04Z,   2.20,   6.41,  99.90,   5.83,  -2.78,
04/14 05Z,   2.30,   9.62,  99.90,   9.14,  -2.78,
04/14 06Z,   2.30,  12.54,  99.90,  12.06,  -2.78,
04/14 07Z,   2.30,  14.40,  99.90,  13.92,  -2.78,
04/14 08Z,   2.20,  14.79,  99.90,  14.20,  -2.78,  (max)
04/14 09Z,   2.10,  13.72,  99.90,  13.03,  -2.78,
04/14 10Z,   2.00,  11.41,  99.90,  10.63,  -2.78,
04/14 11Z,   1.80,   8.29,  99.90,   7.30,  -2.78,
04/14 12Z,   1.60,   5.12,  99.90,   3.93,  -2.78,
04/14 13Z,   1.50,   2.90,  99.90,   1.61,  -2.78,
04/14 14Z,   1.50,   2.33,  99.90,   1.05,  -2.78,  (min)
04/14 15Z,   1.60,   3.50,  99.90,   2.32,  -2.78,
04/14 16Z,   1.70,   6.04,  99.90,   4.96,  -2.78,
04/14 17Z,   1.80,   9.33,  99.90,   8.34,  -2.78,
04/14 18Z,   1.80,  12.50,  99.90,  11.51,  -2.78,
04/14 19Z,   1.90,  14.63,  99.90,  13.75,  -2.78,
04/14 20Z,   2.00,  15.14,  99.90,  14.36,  -2.78,  (max)
04/14 21Z,   1.90,  13.98,  99.90,  13.10,  -2.78,
04/14 22Z,   1.70,  11.47,  99.90,  10.39,  -2.78,
04/14 23Z,   1.50,   8.07,  99.90,   6.79,  -2.78,
04/15 00Z,   1.30,   4.52,  99.90,   3.04,  -2.78,
04/15 01Z,   1.30,   1.81,  99.90,   0.32,  -2.78,
04/15 02Z,   1.40,   0.79,  99.90,  -0.59,  -2.78,  (min)
04/15 03Z,   1.60,   1.75,  99.90,   0.56,  -2.78,
04/15 04Z,   1.80,   4.35,  99.90,   3.36,  -2.78,
04/15 05Z,   2.00,   7.95,  99.90,   7.17,  -2.78,
04/15 06Z,   2.10,  11.75,  99.90,  11.07,  -2.78,
04/15 07Z,   2.30,  14.79,  99.90,  14.31,  -2.78,
04/15 08Z,   2.40,  16.27,  99.90,  15.89,  -2.78,  (max)
04/15 09Z,   2.30,  15.89,  99.90,  15.41,  -2.78,
04/15 10Z,   2.10,  13.82,  99.90,  13.13,  -2.78,
04/15 11Z,   1.90,  10.42,  99.90,   9.54,  -2.78,
04/15 12Z,   1.60,   6.37,  99.90,   5.18,  -2.78,
04/15 13Z,   1.40,   2.68,  99.90,   1.30,  -2.78,
04/15 14Z,   1.40,   0.52,  99.90,  -0.87,  -2.78,  (min)
04/15 15Z,   1.50,   0.53,  99.90,  -0.75,  -2.78,
04/15 16Z,   1.60,   2.63,  99.90,   1.44,  -2.78,
04/15 17Z,   1.70,   6.17,  99.90,   5.08,  -2.78,
04/15 18Z,   1.90,  10.24,  99.90,   9.36,  -2.78,