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
#Seattle, WA : 03/08/2026 13:21:04 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/06 18Z,   0.00,   3.64,   6.04,  99.90,   2.40,
03/06 19Z,   0.00,   1.96,   3.61,  99.90,   1.65,
03/06 20Z,   0.00,   1.46,   1.97,  99.90,   0.51,
03/06 21Z,   0.00,   2.18,   1.44,  99.90,  -0.74,  (min)
03/06 22Z,   0.00,   3.83,   2.25,  99.90,  -1.58,
03/06 23Z,   0.00,   5.94,   3.83,  99.90,  -2.11,
03/07 00Z,   0.00,   8.00,   5.82,  99.90,  -2.18,
03/07 01Z,   0.00,   9.50,   7.88,  99.90,  -1.62,
03/07 02Z,   0.00,  10.11,   9.37,  99.90,  -0.74,
03/07 03Z,   0.00,   9.81,   9.94,  99.90,   0.13,  (max)
03/07 04Z,   0.00,   8.79,   9.64,  99.90,   0.85,
03/07 05Z,   0.00,   7.31,   8.78,  99.90,   1.47,
03/07 06Z,   0.10,   5.74,   7.40,  99.90,   1.56,
03/07 07Z,   0.10,   4.56,   5.69,  99.90,   1.03,
03/07 08Z,   0.10,   4.23,   4.43,  99.90,   0.10,
03/07 09Z,   0.10,   4.89,   4.05,  99.90,  -0.94,  (min)
03/07 10Z,   0.10,   6.30,   4.76,  99.90,  -1.64,
03/07 11Z,   0.10,   8.10,   6.12,  99.90,  -2.08,
03/07 12Z,   0.10,   9.84,   7.84,  99.90,  -2.10,
03/07 13Z,   0.10,  11.07,   9.63,  99.90,  -1.54,
03/07 14Z,   0.10,  11.41,  10.90,  99.90,  -0.61,
03/07 15Z,   0.10,  10.71,  11.24,  99.90,   0.43,  (max)
03/07 16Z,   0.10,   9.11,  10.57,  99.90,   1.36,
03/07 17Z,   0.10,   6.90,   9.11,  99.90,   2.11,
03/07 18Z,   0.10,   4.48,   6.96,  99.90,   2.38,
03/07 19Z,   0.10,   2.37,   4.54,  99.90,   2.07,
03/07 20Z,   0.10,   1.16,   2.43,  99.90,   1.17,
03/07 21Z,   0.10,   1.17,   1.26,  99.90,  -0.01,  (min)
03/07 22Z,   0.10,   2.29,   1.34,  99.90,  -1.05,
03/07 23Z,   0.10,   4.14,   2.44,  99.90,  -1.80,
03/08 00Z,   0.10,   6.27,   4.12,  99.90,  -2.25,
03/08 01Z,   0.10,   8.19,   6.16,  99.90,  -2.13,
03/08 02Z,   0.10,   9.49,   8.07,  99.90,  -1.52,
03/08 03Z,   0.20,   9.94,   9.38,  99.90,  -0.76,
03/08 04Z,   0.20,   9.60,   9.78,  99.90,  -0.02,  (max)
03/08 05Z,   0.20,   8.71,   9.45,  99.90,   0.54,
03/08 06Z,   0.20,   7.53,   8.73,  99.90,   1.00,
03/08 07Z,   0.20,   6.37,   7.68,  99.90,   1.11,
03/08 08Z,   0.20,   5.64,   6.46,  99.90,   0.62,
03/08 09Z,   0.20,   5.65,   5.71,  99.90,  -0.14,  (min)
03/08 10Z,   0.30,   6.40,   5.76,  99.90,  -0.94,
03/08 11Z,   0.30,   7.64,   6.54,  99.90,  -1.40,
03/08 12Z,   0.30,   9.04,   7.86,  99.90,  -1.48,
03/08 13Z,   0.30,  10.25,   9.24,  99.90,  -1.31,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/08 14Z,   0.30,  10.91,  99.90,   9.99,  -1.23,  (max)
03/08 15Z,   0.40,  10.72,  99.90,   9.98,  -1.14,
03/08 16Z,   0.40,   9.61,  99.90,   8.95,  -1.05,
03/08 17Z,   0.40,   7.78,  99.90,   7.21,  -0.96,
03/08 18Z,   0.50,   5.55,  99.90,   5.17,  -0.88,
03/08 19Z,   0.50,   3.31,  99.90,   3.02,  -0.79,
03/08 20Z,   0.60,   1.58,  99.90,   1.48,  -0.70,
03/08 21Z,   0.60,   0.83,  99.90,   0.82,  -0.61,  (min)
03/08 22Z,   0.60,   1.25,  99.90,   1.32,  -0.53,
03/08 23Z,   0.70,   2.61,  99.90,   2.87,  -0.44,
03/09 00Z,   0.70,   4.51,  99.90,   4.86,  -0.35,
03/09 01Z,   0.70,   6.53,  99.90,   6.96,  -0.26,
03/09 02Z,   0.80,   8.26,  99.90,   8.80,  -0.26,
03/09 03Z,   0.80,   9.37,  99.90,   9.90,  -0.26,
03/09 04Z,   0.80,   9.72,  99.90,  10.26,  -0.26,  (max)
03/09 05Z,   0.80,   9.44,  99.90,   9.98,  -0.26,
03/09 06Z,   0.80,   8.77,  99.90,   9.31,  -0.26,
03/09 07Z,   0.80,   7.93,  99.90,   8.46,  -0.26,
03/09 08Z,   0.80,   7.15,  99.90,   7.68,  -0.26,
03/09 09Z,   0.80,   6.75,  99.90,   7.28,  -0.26,  (min)
03/09 10Z,   0.80,   6.91,  99.90,   7.45,  -0.26,
03/09 11Z,   0.70,   7.57,  99.90,   8.01,  -0.26,
03/09 12Z,   0.70,   8.49,  99.90,   8.93,  -0.26,
03/09 13Z,   0.70,   9.43,  99.90,   9.87,  -0.26,
03/09 14Z,   0.70,  10.15,  99.90,  10.59,  -0.26,
03/09 15Z,   0.70,  10.35,  99.90,  10.79,  -0.26,  (max)
03/09 16Z,   0.70,   9.80,  99.90,  10.24,  -0.26,
03/09 17Z,   0.60,   8.50,  99.90,   8.83,  -0.26,
03/09 18Z,   0.60,   6.65,  99.90,   6.98,  -0.26,
03/09 19Z,   0.60,   4.56,  99.90,   4.90,  -0.26,
03/09 20Z,   0.50,   2.62,  99.90,   2.85,  -0.26,
03/09 21Z,   0.50,   1.27,  99.90,   1.50,  -0.26,
03/09 22Z,   0.50,   0.89,  99.90,   1.12,  -0.26,  (min)
03/09 23Z,   0.50,   1.54,  99.90,   1.78,  -0.26,
03/10 00Z,   0.50,   2.97,  99.90,   3.20,  -0.26,
03/10 01Z,   0.50,   4.77,  99.90,   5.01,  -0.26,
03/10 02Z,   0.50,   6.62,  99.90,   6.85,  -0.26,
03/10 03Z,   0.50,   8.17,  99.90,   8.41,  -0.26,
03/10 04Z,   0.50,   9.16,  99.90,   9.39,  -0.26,
03/10 05Z,   0.50,   9.51,  99.90,   9.75,  -0.26,  (max)
03/10 06Z,   0.50,   9.39,  99.90,   9.62,  -0.26,
03/10 07Z,   0.50,   8.99,  99.90,   9.22,  -0.26,
03/10 08Z,   0.50,   8.45,  99.90,   8.69,  -0.26,
03/10 09Z,   0.40,   7.96,  99.90,   8.09,  -0.26,
03/10 10Z,   0.40,   7.72,  99.90,   7.86,  -0.26,  (min)
03/10 11Z,   0.40,   7.86,  99.90,   8.00,  -0.26,
03/10 12Z,   0.30,   8.28,  99.90,   8.32,  -0.26,
03/10 13Z,   0.30,   8.82,  99.90,   8.85,  -0.26,
03/10 14Z,   0.30,   9.34,  99.90,   9.38,  -0.26,
03/10 15Z,   0.30,   9.69,  99.90,   9.73,  -0.26,  (max)
03/10 16Z,   0.30,   9.62,  99.90,   9.65,  -0.26,
03/10 17Z,   0.30,   8.92,  99.90,   8.96,  -0.26,
03/10 18Z,   0.30,   7.61,  99.90,   7.65,  -0.26,
03/10 19Z,   0.30,   5.90,  99.90,   5.93,  -0.26,
03/10 20Z,   0.30,   4.05,  99.90,   4.08,  -0.26,
03/10 21Z,   0.20,   2.38,  99.90,   2.32,  -0.26,
03/10 22Z,   0.20,   1.31,  99.90,   1.24,  -0.26,
03/10 23Z,   0.20,   1.13,  99.90,   1.07,  -0.26,  (min)
03/11 00Z,   0.20,   1.84,  99.90,   1.78,  -0.26,
03/11 01Z,   0.20,   3.18,  99.90,   3.11,  -0.26,
03/11 02Z,   0.20,   4.83,  99.90,   4.77,  -0.26,
03/11 03Z,   0.20,   6.52,  99.90,   6.45,  -0.26,
03/11 04Z,   0.20,   7.96,  99.90,   7.90,  -0.26,
03/11 05Z,   0.20,   8.93,  99.90,   8.86,  -0.26,
03/11 06Z,   0.30,   9.39,  99.90,   9.42,  -0.26,  (max)
03/11 07Z,   0.20,   9.47,  99.90,   9.41,  -0.26,
03/11 08Z,   0.30,   9.33,  99.90,   9.36,  -0.26,
03/11 09Z,   0.20,   9.02,  99.90,   8.96,  -0.26,
03/11 10Z,   0.20,   8.66,  99.90,   8.59,  -0.26,
03/11 11Z,   0.30,   8.42,  99.90,   8.45,  -0.26,
03/11 12Z,   0.30,   8.38,  99.90,   8.41,  -0.26,  (min)
03/11 13Z,   0.30,   8.49,  99.90,   8.53,  -0.26,
03/11 14Z,   0.30,   8.69,  99.90,   8.73,  -0.26,
03/11 15Z,   0.40,   8.94,  99.90,   9.07,  -0.26,
03/11 16Z,   0.40,   9.10,  99.90,   9.24,  -0.26,  (max)
03/11 17Z,   0.50,   8.95,  99.90,   9.18,  -0.26,
03/11 18Z,   0.50,   8.28,  99.90,   8.51,  -0.26,
03/11 19Z,   0.60,   7.10,  99.90,   7.43,  -0.26,
03/11 20Z,   0.70,   5.57,  99.90,   6.01,  -0.26,
03/11 21Z,   0.70,   3.92,  99.90,   4.36,  -0.26,
03/11 22Z,   0.80,   2.43,  99.90,   2.97,  -0.26,
03/11 23Z,   0.90,   1.48,  99.90,   2.12,  -0.26,
03/12 00Z,   0.90,   1.33,  99.90,   1.96,  -0.26,  (min)
03/12 01Z,   0.90,   1.96,  99.90,   2.60,  -0.26,
03/12 02Z,   1.00,   3.16,  99.90,   3.90,  -0.26,
03/12 03Z,   1.00,   4.69,  99.90,   5.43,  -0.26,
03/12 04Z,   1.00,   6.31,  99.90,   7.05,  -0.26,
03/12 05Z,   1.00,   7.76,  99.90,   8.50,  -0.26,
03/12 06Z,   1.10,   8.81,  99.90,   9.65,  -0.26,