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
#Alitak, AK : 03/14/2026 20:21:54 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/13 00Z,  -0.40,   2.91,   2.22,  99.90,  -0.29,
03/13 01Z,  -0.40,   2.81,   2.25,  99.90,  -0.16,  (min)
03/13 02Z,  -0.50,   3.14,   2.58,  99.90,  -0.06,
03/13 03Z,  -0.50,   3.93,   3.45,  99.90,   0.02,
03/13 04Z,  -0.60,   5.03,   4.49,  99.90,   0.06,
03/13 05Z,  -0.60,   6.03,   5.46,  99.90,   0.03,
03/13 06Z,  -0.50,   6.74,   6.35,  99.90,   0.11,
03/13 07Z,  -0.50,   7.17,   6.86,  99.90,   0.19,
03/13 08Z,  -0.50,   7.31,   7.03,  99.90,   0.22,  (max)
03/13 09Z,  -0.50,   7.16,   6.93,  99.90,   0.27,
03/13 10Z,  -0.60,   6.85,   6.69,  99.90,   0.44,
03/13 11Z,  -0.60,   6.58,   6.34,  99.90,   0.36,
03/13 12Z,  -0.60,   6.51,   6.10,  99.90,   0.19,
03/13 13Z,  -0.60,   6.66,   6.02,  99.90,  -0.04,  (min)
03/13 14Z,  -0.60,   6.94,   6.36,  99.90,   0.02,
03/13 15Z,  -0.60,   7.41,   6.86,  99.90,   0.05,
03/13 16Z,  -0.70,   8.07,   7.61,  99.90,   0.24,
03/13 17Z,  -0.70,   8.66,   8.30,  99.90,   0.34,
03/13 18Z,  -0.70,   8.92,   8.48,  99.90,   0.26,  (max)
03/13 19Z,  -0.70,   8.81,   8.36,  99.90,   0.25,
03/13 20Z,  -0.70,   8.30,   7.77,  99.90,   0.17,
03/13 21Z,  -0.70,   7.33,   6.68,  99.90,   0.05,
03/13 22Z,  -0.70,   5.97,   5.16,  99.90,  -0.11,
03/13 23Z,  -0.70,   4.46,   3.74,  99.90,  -0.02,
03/14 00Z,  -0.70,   3.15,   2.47,  99.90,   0.02,
03/14 01Z,  -0.70,   2.30,   1.68,  99.90,   0.08,
03/14 02Z,  -0.70,   2.02,   1.40,  99.90,   0.08,  (min)
03/14 03Z,  -0.70,   2.37,   1.94,  99.90,   0.27,
03/14 04Z,  -0.60,   3.41,   2.80,  99.90,  -0.01,
03/14 05Z,  -0.60,   4.87,   4.20,  99.90,  -0.07,
03/14 06Z,  -0.70,   6.26,   5.76,  99.90,   0.20,
03/14 07Z,  -0.70,   7.33,   6.92,  99.90,   0.29,
03/14 08Z,  -0.70,   7.98,   7.59,  99.90,   0.31,
03/14 09Z,  -0.70,   8.10,   7.62,  99.90,   0.22,  (max)
03/14 10Z,  -0.60,   7.71,   7.22,  99.90,   0.11,
03/14 11Z,  -0.60,   7.02,   6.54,  99.90,   0.12,
03/14 12Z,  -0.70,   6.32,   5.84,  99.90,   0.22,
03/14 13Z,  -0.70,   5.86,   5.24,  99.90,   0.08,
03/14 14Z,  -0.60,   5.75,   5.18,  99.90,   0.03,  (min)
03/14 15Z,  -0.60,   6.00,   5.42,  99.90,   0.02,
03/14 16Z,  -0.60,   6.69,   6.17,  99.90,   0.08,
03/14 17Z,  -0.60,   7.74,   7.26,  99.90,   0.12,
03/14 18Z,  -0.60,   8.77,   8.26,  99.90,   0.09,
03/14 19Z,  -0.60,   9.41,   8.83,  99.90,   0.02,
03/14 20Z,  -0.60,   9.53,   8.92,  99.90,  -0.01,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/14 21Z,  -0.60,   9.00,  99.90,   8.39,  -0.01,
03/14 22Z,  -0.60,   7.75,  99.90,   7.14,  -0.00,
03/14 23Z,  -0.60,   5.96,  99.90,   5.36,  -0.00,
03/15 00Z,  -0.60,   4.02,  99.90,   3.42,   0.00,
03/15 01Z,  -0.70,   2.36,  99.90,   1.66,   0.00,
03/15 02Z,  -0.70,   1.35,  99.90,   0.65,   0.00,
03/15 03Z,  -0.80,   1.13,  99.90,   0.33,   0.01,  (min)
03/15 04Z,  -0.80,   1.81,  99.90,   1.02,   0.01,
03/15 05Z,  -0.80,   3.35,  99.90,   2.56,   0.01,
03/15 06Z,  -0.70,   5.32,  99.90,   4.64,   0.01,
03/15 07Z,  -0.70,   7.14,  99.90,   6.45,   0.01,
03/15 08Z,  -0.70,   8.43,  99.90,   7.75,   0.02,
03/15 09Z,  -0.70,   9.03,  99.90,   8.34,   0.02,  (max)
03/15 10Z,  -0.70,   8.81,  99.90,   8.13,   0.02,
03/15 11Z,  -0.70,   7.91,  99.90,   7.22,   0.02,
03/15 12Z,  -0.70,   6.66,  99.90,   5.97,   0.02,
03/15 13Z,  -0.70,   5.48,  99.90,   4.80,   0.02,
03/15 14Z,  -0.80,   4.73,  99.90,   3.95,   0.02,
03/15 15Z,  -0.80,   4.57,  99.90,   3.79,   0.02,  (min)
03/15 16Z,  -0.90,   5.06,  99.90,   4.17,   0.02,
03/15 17Z,  -0.90,   6.23,  99.90,   5.35,   0.02,
03/15 18Z,  -0.90,   7.85,  99.90,   6.96,   0.02,
03/15 19Z,  -0.90,   9.35,  99.90,   8.47,   0.02,
03/15 20Z,  -0.80,  10.28,  99.90,   9.49,   0.02,
03/15 21Z,  -0.70,  10.39,  99.90,   9.70,   0.02,  (max)
03/15 22Z,  -0.70,   9.54,  99.90,   8.86,   0.02,
03/15 23Z,  -0.60,   7.79,  99.90,   7.20,   0.02,
03/16 00Z,  -0.60,   5.47,  99.90,   4.89,   0.02,
03/16 01Z,  -0.60,   3.11,  99.90,   2.53,   0.02,
03/16 02Z,  -0.50,   1.28,  99.90,   0.79,   0.02,
03/16 03Z,  -0.50,   0.35,  99.90,  -0.13,   0.02,  (min)
03/16 04Z,  -0.50,   0.49,  99.90,   0.01,   0.02,
03/16 05Z,  -0.50,   1.76,  99.90,   1.27,   0.02,
03/16 06Z,  -0.50,   3.95,  99.90,   3.47,   0.02,
03/16 07Z,  -0.40,   6.46,  99.90,   6.08,   0.02,
03/16 08Z,  -0.30,   8.56,  99.90,   8.27,   0.02,
03/16 09Z,  -0.30,   9.80,  99.90,   9.52,   0.02,
03/16 10Z,  -0.20,  10.00,  99.90,   9.82,   0.02,  (max)
03/16 11Z,  -0.10,   9.16,  99.90,   9.08,   0.02,
03/16 12Z,  -0.10,   7.57,  99.90,   7.49,   0.02,
03/16 13Z,  -0.10,   5.73,  99.90,   5.64,   0.02,
03/16 14Z,  -0.10,   4.17,  99.90,   4.09,   0.02,
03/16 15Z,  -0.20,   3.33,  99.90,   3.15,   0.02,  (min)
03/16 16Z,  -0.10,   3.38,  99.90,   3.30,   0.02,
03/16 17Z,  -0.10,   4.35,  99.90,   4.27,   0.02,
03/16 18Z,   0.00,   6.17,  99.90,   6.19,   0.02,
03/16 19Z,   0.00,   8.40,  99.90,   8.42,   0.02,
03/16 20Z,   0.00,  10.29,  99.90,  10.31,   0.02,
03/16 21Z,   0.00,  11.27,  99.90,  11.29,   0.02,  (max)
03/16 22Z,   0.00,  11.09,  99.90,  11.11,   0.02,
03/16 23Z,   0.00,   9.71,  99.90,   9.72,   0.02,
03/17 00Z,   0.00,   7.35,  99.90,   7.37,   0.02,
03/17 01Z,   0.00,   4.55,  99.90,   4.57,   0.02,
03/17 02Z,   0.00,   1.97,  99.90,   1.98,   0.02,
03/17 03Z,  -0.10,   0.21,  99.90,   0.13,   0.02,
03/17 04Z,  -0.10,  -0.34,  99.90,  -0.42,   0.02,  (min)
03/17 05Z,  -0.10,   0.42,  99.90,   0.33,   0.02,
03/17 06Z,  -0.10,   2.41,  99.90,   2.33,   0.02,
03/17 07Z,  -0.10,   5.28,  99.90,   5.20,   0.02,
03/17 08Z,  -0.10,   8.17,  99.90,   8.09,   0.02,
03/17 09Z,  -0.10,  10.25,  99.90,  10.17,   0.02,
03/17 10Z,   0.00,  11.09,  99.90,  11.11,   0.02,  (max)
03/17 11Z,   0.00,  10.61,  99.90,  10.62,   0.02,
03/17 12Z,   0.00,   8.97,  99.90,   8.99,   0.02,
03/17 13Z,   0.00,   6.66,  99.90,   6.68,   0.02,
03/17 14Z,   0.00,   4.33,  99.90,   4.34,   0.02,
03/17 15Z,   0.00,   2.60,  99.90,   2.62,   0.02,
03/17 16Z,   0.00,   1.91,  99.90,   1.93,   0.02,  (min)
03/17 17Z,  -0.10,   2.40,  99.90,   2.31,   0.02,
03/17 18Z,  -0.10,   4.02,  99.90,   3.93,   0.02,
03/17 19Z,  -0.10,   6.55,  99.90,   6.46,   0.02,
03/17 20Z,   0.00,   9.30,  99.90,   9.31,   0.02,
03/17 21Z,   0.00,  11.34,  99.90,  11.36,   0.02,
03/17 22Z,   0.00,  12.10,  99.90,  12.11,   0.02,  (max)
03/17 23Z,   0.00,  11.40,  99.90,  11.42,   0.02,
03/18 00Z,   0.00,   9.39,  99.90,   9.40,   0.02,
03/18 01Z,   0.00,   6.49,  99.90,   6.51,   0.02,
03/18 02Z,   0.00,   3.41,  99.90,   3.43,   0.02,
03/18 03Z,  -0.10,   0.88,  99.90,   0.80,   0.02,
03/18 04Z,  -0.10,  -0.50,  99.90,  -0.58,   0.02,  (min)
03/18 05Z,  -0.10,  -0.43,  99.90,  -0.51,   0.02,
03/18 06Z,  -0.10,   1.07,  99.90,   0.99,   0.02,
03/18 07Z,  -0.10,   3.82,  99.90,   3.74,   0.02,
03/18 08Z,  -0.10,   7.20,  99.90,   7.11,   0.02,
03/18 09Z,  -0.10,  10.16,  99.90,  10.08,   0.02,
03/18 10Z,  -0.10,  11.86,  99.90,  11.78,   0.02,
03/18 11Z,  -0.10,  11.99,  99.90,  11.90,   0.02,  (max)
03/18 12Z,  -0.10,  10.63,  99.90,  10.54,   0.02,