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
#Seldovia, AK : 02/14/2026 10:21:47 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/12 18Z,   0.50,  13.27,  13.40,  99.90,  -0.37,
02/12 19Z,   0.60,  13.90,  14.12,  99.90,  -0.38,
02/12 20Z,   0.60,  13.80,  14.13,  99.90,  -0.27,  (max)
02/12 21Z,   0.70,  12.99,  13.29,  99.90,  -0.40,
02/12 22Z,   0.70,  11.56,  11.62,  99.90,  -0.64,
02/12 23Z,   0.60,   9.64,   9.46,  99.90,  -0.78,
02/13 00Z,   0.60,   7.40,   7.22,  99.90,  -0.78,
02/13 01Z,   0.60,   5.31,   5.18,  99.90,  -0.73,
02/13 02Z,   0.70,   3.91,   3.88,  99.90,  -0.73,
02/13 03Z,   0.80,   3.44,   3.52,  99.90,  -0.72,  (min)
02/13 04Z,   0.80,   3.94,   4.10,  99.90,  -0.64,
02/13 05Z,   0.60,   5.45,   5.40,  99.90,  -0.65,
02/13 06Z,   0.70,   7.71,   7.38,  99.90,  -1.03,
02/13 07Z,   0.60,  10.08,   9.65,  99.90,  -1.03,
02/13 08Z,   0.50,  12.00,  11.58,  99.90,  -0.92,
02/13 09Z,   0.40,  13.12,  12.63,  99.90,  -0.89,
02/13 10Z,   0.20,  13.30,  12.81,  99.90,  -0.69,  (max)
02/13 11Z,   0.00,  12.59,  12.05,  99.90,  -0.54,
02/13 12Z,   0.20,  11.19,  10.57,  99.90,  -0.82,
02/13 13Z,   0.10,   9.57,   9.09,  99.90,  -0.58,
02/13 14Z,   0.00,   8.43,   7.98,  99.90,  -0.45,
02/13 15Z,  -0.20,   8.19,   7.49,  99.90,  -0.50,  (min)
02/13 16Z,  -0.40,   8.80,   8.05,  99.90,  -0.35,
02/13 17Z,  -0.50,  10.16,   9.50,  99.90,  -0.16,
02/13 18Z,  -0.20,  11.99,  11.34,  99.90,  -0.45,
02/13 19Z,  -0.20,  13.71,  13.08,  99.90,  -0.43,
02/13 20Z,  -0.20,  14.76,  14.29,  99.90,  -0.27,
02/13 21Z,  -0.20,  14.86,  14.55,  99.90,  -0.11,  (max)
02/13 22Z,  -0.20,  13.94,  13.40,  99.90,  -0.34,
02/13 23Z,  -0.20,  12.09,  11.18,  99.90,  -0.71,
02/14 00Z,  -0.10,   9.48,   8.46,  99.90,  -0.92,
02/14 01Z,  -0.20,   6.50,   5.49,  99.90,  -0.81,
02/14 02Z,  -0.30,   3.86,   2.89,  99.90,  -0.67,
02/14 03Z,  -0.40,   2.26,   1.45,  99.90,  -0.41,
02/14 04Z,  -0.40,   1.99,   1.38,  99.90,  -0.21,  (min)
02/14 05Z,  -0.40,   3.09,   2.55,  99.90,  -0.14,
02/14 06Z,  -0.40,   5.43,   4.88,  99.90,  -0.15,
02/14 07Z,  -0.40,   8.48,   7.82,  99.90,  -0.26,
02/14 08Z,  -0.30,  11.45,  10.77,  99.90,  -0.38,
02/14 09Z,  -0.20,  13.65,  13.02,  99.90,  -0.43,
02/14 10Z,  -0.20,  14.66,  14.01,  99.90,  -0.45,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/14 11Z,  -0.10,  14.36,  99.90,  13.83,  -0.44,
02/14 12Z,   0.00,  12.89,  99.90,  12.46,  -0.42,
02/14 13Z,   0.00,  10.61,  99.90,  10.20,  -0.41,
02/14 14Z,   0.00,   8.31,  99.90,   7.91,  -0.39,
02/14 15Z,   0.00,   6.87,  99.90,   6.49,  -0.38,
02/14 16Z,  -0.10,   6.75,  99.90,   6.28,  -0.37,  (min)
02/14 17Z,  -0.30,   7.88,  99.90,   7.23,  -0.35,
02/14 18Z,  -0.40,   9.99,  99.90,   9.26,  -0.34,
02/14 19Z,  -0.50,  12.58,  99.90,  11.76,  -0.32,
02/14 20Z,  -0.50,  14.87,  99.90,  14.06,  -0.31,
02/14 21Z,  -0.40,  16.15,  99.90,  15.46,  -0.29,
02/14 22Z,  -0.20,  16.10,  99.90,  15.63,  -0.28,  (max)
02/14 23Z,  -0.10,  14.66,  99.90,  14.28,  -0.28,
02/15 00Z,   0.00,  11.99,  99.90,  11.71,  -0.28,
02/15 01Z,   0.00,   8.46,  99.90,   8.18,  -0.28,
02/15 02Z,   0.20,   4.74,  99.90,   4.66,  -0.28,
02/15 03Z,   0.10,   1.82,  99.90,   1.64,  -0.28,
02/15 04Z,  -0.10,   0.48,  99.90,   0.10,  -0.28,  (min)
02/15 05Z,  -0.40,   0.92,  99.90,   0.24,  -0.28,
02/15 06Z,  -0.60,   3.01,  99.90,   2.13,  -0.28,
02/15 07Z,  -0.90,   6.37,  99.90,   5.19,  -0.28,
02/15 08Z,  -1.20,  10.19,  99.90,   8.71,  -0.28,
02/15 09Z,  -1.30,  13.51,  99.90,  11.93,  -0.28,
02/15 10Z,  -1.20,  15.58,  99.90,  14.10,  -0.28,
02/15 11Z,  -1.10,  16.02,  99.90,  14.65,  -0.28,  (max)
02/15 12Z,  -0.90,  14.81,  99.90,  13.64,  -0.28,
02/15 13Z,  -0.70,  12.28,  99.90,  11.30,  -0.28,
02/15 14Z,  -0.60,   9.09,  99.90,   8.22,  -0.28,
02/15 15Z,  -0.50,   6.32,  99.90,   5.55,  -0.28,
02/15 16Z,  -0.50,   4.99,  99.90,   4.22,  -0.28,  (min)
02/15 17Z,  -0.50,   5.46,  99.90,   4.68,  -0.28,
02/15 18Z,  -0.50,   7.48,  99.90,   6.70,  -0.28,
02/15 19Z,  -0.50,  10.54,  99.90,   9.76,  -0.28,
02/15 20Z,  -0.40,  13.87,  99.90,  13.19,  -0.28,
02/15 21Z,  -0.50,  16.49,  99.90,  15.71,  -0.28,
02/15 22Z,  -0.70,  17.67,  99.90,  16.69,  -0.28,  (max)
02/15 23Z,  -0.70,  17.07,  99.90,  16.09,  -0.28,
02/16 00Z,  -0.70,  14.73,  99.90,  13.75,  -0.28,
02/16 01Z,  -0.80,  11.02,  99.90,   9.94,  -0.28,
02/16 02Z,  -1.00,   6.58,  99.90,   5.30,  -0.28,
02/16 03Z,  -1.10,   2.41,  99.90,   1.03,  -0.28,
02/16 04Z,  -1.10,  -0.32,  99.90,  -1.70,  -0.28,
02/16 05Z,  -1.10,  -0.88,  99.90,  -2.26,  -0.28,  (min)
02/16 06Z,  -1.10,   0.69,  99.90,  -0.69,  -0.28,
02/16 07Z,  -1.10,   3.98,  99.90,   2.60,  -0.28,
02/16 08Z,  -1.10,   8.30,  99.90,   6.92,  -0.28,
02/16 09Z,  -1.10,  12.61,  99.90,  11.23,  -0.28,
02/16 10Z,  -1.20,  15.85,  99.90,  14.37,  -0.28,
02/16 11Z,  -1.20,  17.33,  99.90,  15.85,  -0.28,  (max)
02/16 12Z,  -1.10,  16.77,  99.90,  15.39,  -0.28,
02/16 13Z,  -1.10,  14.36,  99.90,  12.98,  -0.28,
02/16 14Z,  -1.10,  10.71,  99.90,   9.33,  -0.28,
02/16 15Z,  -1.20,   6.84,  99.90,   5.36,  -0.28,
02/16 16Z,  -1.40,   4.03,  99.90,   2.35,  -0.28,
02/16 17Z,  -1.50,   3.28,  99.90,   1.51,  -0.28,  (min)
02/16 18Z,  -1.70,   4.72,  99.90,   2.74,  -0.28,
02/16 19Z,  -1.70,   7.81,  99.90,   5.83,  -0.28,
02/16 20Z,  -1.50,  11.77,  99.90,  10.00,  -0.28,
02/16 21Z,  -1.40,  15.59,  99.90,  13.91,  -0.28,
02/16 22Z,  -1.30,  18.19,  99.90,  16.61,  -0.28,
02/16 23Z,  -1.10,  18.86,  99.90,  17.48,  -0.28,  (max)
02/17 00Z,  -1.10,  17.36,  99.90,  15.99,  -0.28,
02/17 01Z,  -1.20,  13.93,  99.90,  12.45,  -0.28,
02/17 02Z,  -1.30,   9.20,  99.90,   7.62,  -0.28,
02/17 03Z,  -1.50,   4.14,  99.90,   2.36,  -0.28,
02/17 04Z,  -1.60,   0.02,  99.90,  -1.86,  -0.28,
02/17 05Z,  -1.60,  -1.95,  99.90,  -3.83,  -0.28,  (min)
02/17 06Z,  -1.60,  -1.30,  99.90,  -3.17,  -0.28,
02/17 07Z,  -1.40,   1.61,  99.90,  -0.07,  -0.28,
02/17 08Z,  -1.20,   6.02,  99.90,   4.54,  -0.28,
02/17 09Z,  -1.00,  10.99,  99.90,   9.71,  -0.28,
02/17 10Z,  -0.80,  15.33,  99.90,  14.25,  -0.28,
02/17 11Z,  -0.80,  18.00,  99.90,  16.93,  -0.28,
02/17 12Z,  -0.90,  18.44,  99.90,  17.27,  -0.28,  (max)
02/17 13Z,  -1.00,  16.58,  99.90,  15.31,  -0.28,
02/17 14Z,  -1.10,  12.91,  99.90,  11.53,  -0.28,
02/17 15Z,  -1.20,   8.37,  99.90,   6.89,  -0.28,
02/17 16Z,  -1.20,   4.24,  99.90,   2.76,  -0.28,
02/17 17Z,  -1.20,   1.90,  99.90,   0.43,  -0.28,  (min)
02/17 18Z,  -1.10,   2.15,  99.90,   0.78,  -0.28,
02/17 19Z,  -1.00,   4.75,  99.90,   3.47,  -0.28,
02/17 20Z,  -0.80,   8.84,  99.90,   7.77,  -0.28,
02/17 21Z,  -0.70,  13.43,  99.90,  12.45,  -0.28,
02/17 22Z,  -0.60,  17.34,  99.90,  16.47,  -0.28,
02/17 23Z,  -0.60,  19.52,  99.90,  18.64,  -0.28,  (max)
02/18 00Z,  -0.70,  19.34,  99.90,  18.37,  -0.28,
02/18 01Z,  99.90,  16.77,  99.90,  99.90,  -0.28,
02/18 02Z,  99.90,  12.28,  99.90,  99.90,  -0.28,
02/18 03Z,  99.90,   6.83,  99.90,  99.90,  -0.28,
02/18 04Z,  99.90,   1.67,  99.90,  99.90,  -0.28,
02/18 05Z,  99.90,  -1.81,  99.90,  99.90,  -0.28,
02/18 06Z,  99.90,  -2.55,  99.90,  99.90,  -0.28,