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
#Anchorage, AK : 04/14/2026 18:20:23 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/13 00Z,  -0.10,   7.23,   6.54,  99.90,  -0.59,
04/13 01Z,  -0.10,   7.09,   6.35,  99.90,  -0.64,  (max)
04/13 02Z,  -0.10,   4.71,   4.04,  99.90,  -0.57,
04/13 03Z,  -0.10,   0.89,   0.20,  99.90,  -0.59,
04/13 04Z,  -0.10,  -3.20,  -3.83,  99.90,  -0.53,
04/13 05Z,  -0.10,  -6.85,  -7.65,  99.90,  -0.70,
04/13 06Z,  -0.10, -10.22, -10.96,  99.90,  -0.64,
04/13 07Z,  -0.10, -12.14, -13.16,  99.90,  -0.92,  (min)
04/13 08Z,  -0.10, -10.41, -11.65,  99.90,  -1.14,
04/13 09Z,  -0.10,  -5.84,  -6.30,  99.90,  -0.36,
04/13 10Z,  -0.10,  -1.02,  -0.89,  99.90,   0.23,
04/13 11Z,  -0.10,   3.52,   3.83,  99.90,   0.41,
04/13 12Z,  -0.10,   7.70,   7.52,  99.90,  -0.08,
04/13 13Z,  -0.10,   9.97,   9.68,  99.90,  -0.19,  (max)
04/13 14Z,   0.00,   9.43,   9.33,  99.90,  -0.10,
04/13 15Z,   0.00,   6.55,   6.45,  99.90,  -0.10,
04/13 16Z,   0.00,   2.39,   2.20,  99.90,  -0.19,
04/13 17Z,   0.00,  -1.90,  -2.10,  99.90,  -0.20,
04/13 18Z,   0.00,  -6.07,  -6.05,  99.90,   0.02,
04/13 19Z,   0.00,  -9.54,  -9.33,  99.90,   0.21,
04/13 20Z,   0.00,  -9.93, -10.99,  99.90,  -1.06,  (min)
04/13 21Z,   0.00,  -6.41,  -7.74,  99.90,  -1.33,
04/13 22Z,   0.00,  -1.58,  -2.35,  99.90,  -0.77,
04/13 23Z,   0.00,   2.77,   2.63,  99.90,  -0.14,
04/14 00Z,   0.00,   6.66,   6.39,  99.90,  -0.27,
04/14 01Z,   0.00,   9.09,   8.68,  99.90,  -0.41,  (max)
04/14 02Z,   0.00,   8.79,   8.35,  99.90,  -0.44,
04/14 03Z,   0.00,   5.99,   5.23,  99.90,  -0.76,
04/14 04Z,   0.10,   1.66,   0.78,  99.90,  -0.98,
04/14 05Z,   0.10,  -2.99,  -3.75,  99.90,  -0.86,
04/14 06Z,   0.10,  -7.33,  -8.05,  99.90,  -0.82,
04/14 07Z,   0.10, -11.30, -11.92,  99.90,  -0.72,
04/14 08Z,   0.10, -13.04, -14.67,  99.90,  -1.73,  (min)
04/14 09Z,   0.10, -10.41, -12.27,  99.90,  -1.96,
04/14 10Z,   0.10,  -4.86,  -5.49,  99.90,  -0.73,
04/14 11Z,   0.10,   0.80,   0.68,  99.90,  -0.22,
04/14 12Z,   0.10,   5.95,   6.14,  99.90,   0.09,
04/14 13Z,   0.10,  10.05,   9.85,  99.90,  -0.30,
04/14 14Z,   0.10,  11.56,  11.43,  99.90,  -0.23,  (max)
04/14 15Z,   0.10,  10.08,   9.48,  99.90,  -0.70,
04/14 16Z,   0.10,   6.37,   5.23,  99.90,  -1.24,
04/14 17Z,   0.10,   1.52,   0.30,  99.90,  -1.32,
04/14 18Z,   0.00,  -3.46,  -4.42,  99.90,  -0.96,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/14 19Z,   0.00,  -8.36,  99.90,  -9.28,  -0.92,
04/14 20Z,   0.00, -12.04,  99.90, -12.91,  -0.87,  (min)
04/14 21Z,   0.00, -11.69,  99.90, -12.52,  -0.83,
04/14 22Z,   0.00,  -7.01,  99.90,  -7.79,  -0.78,
04/14 23Z,   0.00,  -1.03,  99.90,  -1.77,  -0.74,
04/15 00Z,   0.00,   4.38,  99.90,   3.69,  -0.69,
04/15 01Z,   0.00,   8.84,  99.90,   8.19,  -0.65,
04/15 02Z,   0.00,  11.04,  99.90,  10.44,  -0.60,  (max)
04/15 03Z,   0.00,  10.06,  99.90,   9.51,  -0.56,
04/15 04Z,  -0.10,   6.53,  99.90,   5.92,  -0.51,
04/15 05Z,  -0.10,   1.60,  99.90,   1.03,  -0.47,
04/15 06Z,  -0.10,  -3.53,  99.90,  -4.05,  -0.42,
04/15 07Z,  -0.10,  -8.35,  99.90,  -8.87,  -0.42,
04/15 08Z,  -0.10, -12.40,  99.90, -12.92,  -0.42,
04/15 09Z,  -0.10, -13.30,  99.90, -13.82,  -0.42,  (min)
04/15 10Z,  -0.10,  -9.24,  99.90,  -9.76,  -0.42,
04/15 11Z,  -0.10,  -2.50,  99.90,  -3.02,  -0.42,
04/15 12Z,   0.00,   3.87,  99.90,   3.45,  -0.42,
04/15 13Z,   0.00,   9.09,  99.90,   8.67,  -0.42,
04/15 14Z,   0.00,  12.38,  99.90,  11.96,  -0.42,
04/15 15Z,   0.00,  12.55,  99.90,  12.13,  -0.42,  (max)
04/15 16Z,   0.00,   9.80,  99.90,   9.38,  -0.42,
04/15 17Z,   0.00,   5.15,  99.90,   4.73,  -0.42,
04/15 18Z,   0.00,  -0.32,  99.90,  -0.74,  -0.42,
04/15 19Z,   0.00,  -5.81,  99.90,  -6.23,  -0.42,
04/15 20Z,   0.00, -11.07,  99.90, -11.49,  -0.42,
04/15 21Z,   0.00, -14.34,  99.90, -14.76,  -0.42,  (min)
04/15 22Z,   0.00, -12.65,  99.90, -13.07,  -0.42,
04/15 23Z,   0.00,  -6.47,  99.90,  -6.89,  -0.42,
04/16 00Z,  -0.10,   0.64,  99.90,   0.12,  -0.42,
04/16 01Z,  -0.10,   6.74,  99.90,   6.22,  -0.42,
04/16 02Z,  -0.10,  11.14,  99.90,  10.62,  -0.42,
04/16 03Z,   0.00,  12.54,  99.90,  12.12,  -0.42,  (max)
04/16 04Z,   0.00,  10.58,  99.90,  10.16,  -0.42,
04/16 05Z,   0.00,   6.28,  99.90,   5.86,  -0.42,
04/16 06Z,   0.00,   0.86,  99.90,   0.44,  -0.42,
04/16 07Z,   0.00,  -4.55,  99.90,  -4.97,  -0.42,
04/16 08Z,   0.00,  -9.50,  99.90,  -9.92,  -0.42,
04/16 09Z,   0.00, -13.12,  99.90, -13.54,  -0.42,  (min)
04/16 10Z,   0.00, -12.61,  99.90, -13.03,  -0.42,
04/16 11Z,  -0.10,  -6.84,  99.90,  -7.36,  -0.42,
04/16 12Z,  -0.10,   0.98,  99.90,   0.46,  -0.42,
04/16 13Z,  -0.10,   7.60,  99.90,   7.08,  -0.42,
04/16 14Z,  -0.10,  12.22,  99.90,  11.70,  -0.42,
04/16 15Z,  -0.20,  14.08,  99.90,  13.46,  -0.42,  (max)
04/16 16Z,  -0.20,  12.59,  99.90,  11.97,  -0.42,
04/16 17Z,  -0.20,   8.55,  99.90,   7.93,  -0.42,
04/16 18Z,  -0.20,   3.10,  99.90,   2.48,  -0.42,
04/16 19Z,  -0.20,  -2.81,  99.90,  -3.43,  -0.42,
04/16 20Z,  -0.20,  -8.59,  99.90,  -9.21,  -0.42,
04/16 21Z,  -0.20, -13.80,  99.90, -14.42,  -0.42,
04/16 22Z,  -0.30, -16.08,  99.90, -16.80,  -0.42,  (min)
04/16 23Z,  -0.30, -12.62,  99.90, -13.34,  -0.42,
04/17 00Z,  -0.30,  -4.91,  99.90,  -5.63,  -0.42,
04/17 01Z,  -0.30,   3.03,  99.90,   2.31,  -0.42,
04/17 02Z,  -0.30,   9.26,  99.90,   8.54,  -0.42,
04/17 03Z,  -0.40,  13.01,  99.90,  12.19,  -0.42,
04/17 04Z,  -0.40,  13.27,  99.90,  12.45,  -0.42,  (max)
04/17 05Z,  -0.40,  10.33,  99.90,   9.51,  -0.42,
04/17 06Z,  -0.30,   5.42,  99.90,   4.70,  -0.42,
04/17 07Z,  -0.30,  -0.27,  99.90,  -0.99,  -0.42,
04/17 08Z,  -0.40,  -5.75,  99.90,  -6.57,  -0.42,
04/17 09Z,  -0.40, -10.54,  99.90, -11.36,  -0.42,
04/17 10Z,  -0.40, -13.25,  99.90, -14.07,  -0.42,  (min)
04/17 11Z,  -0.40, -10.95,  99.90, -11.77,  -0.42,
04/17 12Z,  -0.40,  -3.49,  99.90,  -4.31,  -0.42,
04/17 13Z,  -0.30,   5.00,  99.90,   4.28,  -0.42,
04/17 14Z,  -0.30,  11.28,  99.90,  10.56,  -0.42,
04/17 15Z,  -0.20,  14.69,  99.90,  14.07,  -0.42,
04/17 16Z,  -0.20,  14.79,  99.90,  14.17,  -0.42,  (max)
04/17 17Z,  -0.10,  11.67,  99.90,  11.15,  -0.42,
04/17 18Z,  -0.10,   6.58,  99.90,   6.06,  -0.42,
04/17 19Z,  -0.10,   0.57,  99.90,   0.05,  -0.42,
04/17 20Z,  -0.10,  -5.59,  99.90,  -6.11,  -0.42,
04/17 21Z,  -0.10, -11.44,  99.90, -11.96,  -0.42,
04/17 22Z,  -0.10, -16.20,  99.90, -16.72,  -0.42,
04/17 23Z,  -0.20, -17.01,  99.90, -17.63,  -0.42,  (min)
04/18 00Z,  -0.20, -11.63,  99.90, -12.25,  -0.42,
04/18 01Z,  -0.10,  -2.66,  99.90,  -3.18,  -0.42,
04/18 02Z,  -0.10,   5.58,  99.90,   5.06,  -0.42,
04/18 03Z,  -0.10,  11.37,  99.90,  10.85,  -0.42,
04/18 04Z,  -0.10,  14.11,  99.90,  13.59,  -0.42,  (max)
04/18 05Z,  -0.10,  13.24,  99.90,  12.72,  -0.42,
04/18 06Z,  -0.10,   9.53,  99.90,   9.01,  -0.42,
04/18 07Z,  -0.10,   4.25,  99.90,   3.73,  -0.42,
04/18 08Z,  -0.10,  -1.56,  99.90,  -2.08,  -0.42,
04/18 09Z,  -0.10,  -6.95,  99.90,  -7.47,  -0.42,
04/18 10Z,  -0.10, -11.30,  99.90, -11.82,  -0.42,
04/18 11Z,  -0.10, -12.73,  99.90, -13.25,  -0.42,  (min)
04/18 12Z,  -0.10,  -8.50,  99.90,  -9.02,  -0.42,