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
#Seward, AK : 03/07/2026 15:21:03 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/06 00Z,   1.00,  10.32,   9.97,  99.90,  -1.35,  (max)
03/06 01Z,   1.00,   8.97,   8.63,  99.90,  -1.34,
03/06 02Z,   1.00,   6.68,   6.53,  99.90,  -1.15,
03/06 03Z,   1.00,   3.98,   3.65,  99.90,  -1.33,
03/06 04Z,   0.90,   1.61,   1.33,  99.90,  -1.18,
03/06 05Z,   1.00,   0.25,   0.25,  99.90,  -1.00,
03/06 06Z,   1.00,   0.30,  -0.14,  99.90,  -1.44,  (min)
03/06 07Z,   1.00,   1.72,   1.31,  99.90,  -1.41,
03/06 08Z,   1.00,   4.13,   3.92,  99.90,  -1.21,
03/06 09Z,   0.90,   6.95,   6.65,  99.90,  -1.20,
03/06 10Z,   1.10,   9.44,   9.19,  99.90,  -1.35,
03/06 11Z,   0.90,  10.99,  10.89,  99.90,  -1.00,
03/06 12Z,   1.10,  11.23,  11.15,  99.90,  -1.18,  (max)
03/06 13Z,   1.10,  10.16,  10.15,  99.90,  -1.11,
03/06 14Z,   1.00,   8.02,   8.12,  99.90,  -0.90,
03/06 15Z,   1.00,   5.29,   5.46,  99.90,  -0.83,
03/06 16Z,   1.20,   2.59,   3.04,  99.90,  -0.75,
03/06 17Z,   1.60,   0.66,   1.28,  99.90,  -0.98,
03/06 18Z,   1.70,   0.00,   0.86,  99.90,  -0.84,  (min)
03/06 19Z,   1.90,   0.71,   1.48,  99.90,  -1.13,
03/06 20Z,   2.30,   2.53,   3.39,  99.90,  -1.44,
03/06 21Z,   2.50,   4.98,   6.01,  99.90,  -1.47,
03/06 22Z,   2.40,   7.39,   8.24,  99.90,  -1.55,
03/06 23Z,   2.40,   9.14,   9.89,  99.90,  -1.65,
03/07 00Z,   2.30,   9.80,  10.34,  99.90,  -1.76,  (max)
03/07 01Z,   2.30,   9.26,   9.64,  99.90,  -1.92,
03/07 02Z,   2.40,   7.72,   7.92,  99.90,  -2.20,
03/07 03Z,   2.20,   5.54,   5.75,  99.90,  -1.99,
03/07 04Z,   2.10,   3.28,   3.55,  99.90,  -1.83,
03/07 05Z,   2.00,   1.59,   1.70,  99.90,  -1.89,
03/07 06Z,   2.20,   1.02,   1.09,  99.90,  -2.13,  (min)
03/07 07Z,   2.20,   1.74,   1.75,  99.90,  -2.19,
03/07 08Z,   2.00,   3.55,   3.33,  99.90,  -2.22,
03/07 09Z,   1.70,   5.98,   5.69,  99.90,  -1.99,
03/07 10Z,   1.80,   8.44,   8.28,  99.90,  -1.96,
03/07 11Z,   1.80,  10.30,  10.00,  99.90,  -2.10,
03/07 12Z,   1.70,  11.08,  10.75,  99.90,  -2.03,  (max)
03/07 13Z,   1.50,  10.62,  10.29,  99.90,  -1.83,
03/07 14Z,   1.50,   9.06,   8.69,  99.90,  -1.87,
03/07 15Z,   1.50,   6.73,   6.37,  99.90,  -1.86,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/07 16Z,   1.30,   4.13,  99.90,   3.59,  -1.83,
03/07 17Z,   1.30,   1.86,  99.90,   1.35,  -1.80,
03/07 18Z,   1.30,   0.51,  99.90,   0.04,  -1.77,
03/07 19Z,   1.30,   0.41,  99.90,  -0.03,  -1.74,  (min)
03/07 20Z,   1.30,   1.48,  99.90,   1.07,  -1.71,
03/07 21Z,   1.40,   3.37,  99.90,   3.09,  -1.68,
03/07 22Z,   1.30,   5.57,  99.90,   5.22,  -1.65,
03/07 23Z,   1.20,   7.52,  99.90,   7.10,  -1.62,
03/08 00Z,   1.20,   8.72,  99.90,   8.32,  -1.59,
03/08 01Z,   1.30,   8.89,  99.90,   8.63,  -1.56,  (max)
03/08 02Z,   1.30,   8.09,  99.90,   7.86,  -1.53,
03/08 03Z,   1.30,   6.57,  99.90,   6.37,  -1.50,
03/08 04Z,   1.20,   4.73,  99.90,   4.43,  -1.50,
03/08 05Z,   1.20,   3.06,  99.90,   2.76,  -1.50,
03/08 06Z,   1.20,   2.11,  99.90,   1.81,  -1.50,  (min)
03/08 07Z,   1.20,   2.22,  99.90,   1.92,  -1.50,
03/08 08Z,   1.30,   3.38,  99.90,   3.18,  -1.50,
03/08 09Z,   1.20,   5.29,  99.90,   4.99,  -1.50,
03/08 10Z,   1.20,   7.45,  99.90,   7.15,  -1.50,
03/08 11Z,   1.20,   9.36,  99.90,   9.06,  -1.50,
03/08 12Z,   1.30,  10.51,  99.90,  10.31,  -1.50,
03/08 13Z,   1.20,  10.61,  99.90,  10.31,  -1.50,  (max)
03/08 14Z,   1.10,   9.66,  99.90,   9.26,  -1.50,
03/08 15Z,   1.00,   7.87,  99.90,   7.37,  -1.50,
03/08 16Z,   0.90,   5.62,  99.90,   5.02,  -1.50,
03/08 17Z,   0.80,   3.37,  99.90,   2.67,  -1.50,
03/08 18Z,   0.80,   1.63,  99.90,   0.93,  -1.50,
03/08 19Z,   0.90,   0.84,  99.90,   0.24,  -1.50,  (min)
03/08 20Z,   0.80,   1.13,  99.90,   0.43,  -1.50,
03/08 21Z,   0.70,   2.33,  99.90,   1.53,  -1.50,
03/08 22Z,   0.70,   4.04,  99.90,   3.24,  -1.50,
03/08 23Z,   0.70,   5.84,  99.90,   5.04,  -1.50,
03/09 00Z,   0.70,   7.27,  99.90,   6.47,  -1.50,
03/09 01Z,   0.70,   7.98,  99.90,   7.18,  -1.50,  (max)
03/09 02Z,   0.70,   7.85,  99.90,   7.05,  -1.50,
03/09 03Z,   0.80,   7.01,  99.90,   6.31,  -1.50,
03/09 04Z,   0.70,   5.74,  99.90,   4.94,  -1.50,
03/09 05Z,   0.60,   4.38,  99.90,   3.48,  -1.50,
03/09 06Z,   0.60,   3.34,  99.90,   2.44,  -1.50,
03/09 07Z,   0.70,   3.02,  99.90,   2.22,  -1.50,  (min)
03/09 08Z,   0.70,   3.59,  99.90,   2.79,  -1.50,
03/09 09Z,   0.70,   4.91,  99.90,   4.11,  -1.50,
03/09 10Z,   0.70,   6.63,  99.90,   5.83,  -1.50,
03/09 11Z,   0.80,   8.34,  99.90,   7.64,  -1.50,
03/09 12Z,   0.80,   9.64,  99.90,   8.94,  -1.50,
03/09 13Z,   0.70,  10.18,  99.90,   9.38,  -1.50,  (max)
03/09 14Z,   0.70,   9.81,  99.90,   9.01,  -1.50,
03/09 15Z,   0.60,   8.62,  99.90,   7.72,  -1.50,
03/09 16Z,   0.60,   6.88,  99.90,   5.98,  -1.50,
03/09 17Z,   0.60,   4.92,  99.90,   4.02,  -1.50,
03/09 18Z,   0.60,   3.11,  99.90,   2.21,  -1.50,
03/09 19Z,   0.60,   1.87,  99.90,   0.97,  -1.50,
03/09 20Z,   0.60,   1.46,  99.90,   0.56,  -1.50,  (min)
03/09 21Z,   0.70,   1.92,  99.90,   1.12,  -1.50,
03/09 22Z,   0.70,   3.00,  99.90,   2.20,  -1.50,
03/09 23Z,   0.70,   4.37,  99.90,   3.57,  -1.50,
03/10 00Z,   0.70,   5.71,  99.90,   4.91,  -1.50,
03/10 01Z,   0.60,   6.70,  99.90,   5.80,  -1.50,
03/10 02Z,   0.60,   7.10,  99.90,   6.20,  -1.50,  (max)
03/10 03Z,   0.60,   6.88,  99.90,   5.98,  -1.50,
03/10 04Z,   0.60,   6.22,  99.90,   5.32,  -1.50,
03/10 05Z,   0.60,   5.34,  99.90,   4.44,  -1.50,
03/10 06Z,   0.60,   4.49,  99.90,   3.59,  -1.50,
03/10 07Z,   0.60,   3.98,  99.90,   3.08,  -1.50,  (min)
03/10 08Z,   0.60,   4.08,  99.90,   3.18,  -1.50,
03/10 09Z,   0.70,   4.83,  99.90,   4.03,  -1.50,
03/10 10Z,   0.70,   6.04,  99.90,   5.24,  -1.50,
03/10 11Z,   0.70,   7.40,  99.90,   6.60,  -1.50,
03/10 12Z,   0.70,   8.61,  99.90,   7.81,  -1.50,
03/10 13Z,   0.60,   9.39,  99.90,   8.49,  -1.50,
03/10 14Z,   0.50,   9.53,  99.90,   8.53,  -1.50,  (max)
03/10 15Z,   0.50,   8.95,  99.90,   7.95,  -1.50,
03/10 16Z,   0.50,   7.80,  99.90,   6.80,  -1.50,
03/10 17Z,   0.50,   6.30,  99.90,   5.30,  -1.50,
03/10 18Z,   0.50,   4.70,  99.90,   3.70,  -1.50,
03/10 19Z,   0.60,   3.29,  99.90,   2.39,  -1.50,
03/10 20Z,   0.60,   2.37,  99.90,   1.47,  -1.50,
03/10 21Z,   0.60,   2.13,  99.90,   1.22,  -1.50,  (min)
03/10 22Z,   0.70,   2.50,  99.90,   1.70,  -1.50,
03/10 23Z,   0.70,   3.29,  99.90,   2.49,  -1.50,
03/11 00Z,   0.70,   4.27,  99.90,   3.47,  -1.50,
03/11 01Z,   0.60,   5.24,  99.90,   4.34,  -1.50,
03/11 02Z,   0.60,   5.96,  99.90,   5.06,  -1.50,
03/11 03Z,   0.60,   6.28,  99.90,   5.38,  -1.50,  (max)
03/11 04Z,   0.60,   6.21,  99.90,   5.30,  -1.50,
03/11 05Z,   0.50,   5.85,  99.90,   4.85,  -1.50,
03/11 06Z,   0.50,   5.38,  99.90,   4.38,  -1.50,
03/11 07Z,  99.90,   4.95,  99.90,  99.90,  -1.50,
03/11 08Z,  99.90,   4.77,  99.90,  99.90,  -1.50,
03/11 09Z,  99.90,   5.02,  99.90,  99.90,  -1.50,
03/11 10Z,  99.90,   5.69,  99.90,  99.90,  -1.50,
03/11 11Z,  99.90,   6.61,  99.90,  99.90,  -1.50,
03/11 12Z,  99.90,   7.56,  99.90,  99.90,  -1.50,