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
#Sand Point, AK : 09/06/2026 20:22:03 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/05 00Z,  -0.40,   4.61,   4.99,  99.90,   0.78,
09/05 01Z,  -0.50,   5.41,   5.89,  99.90,   0.98,
09/05 02Z,  -0.50,   6.24,   6.73,  99.90,   0.99,
09/05 03Z,  -0.50,   6.87,   7.11,  99.90,   0.74,
09/05 04Z,  -0.50,   7.06,   7.24,  99.90,   0.68,  (max)
09/05 05Z,  -0.50,   6.79,   7.04,  99.90,   0.75,
09/05 06Z,  -0.50,   6.07,   6.29,  99.90,   0.72,
09/05 07Z,  -0.50,   4.96,   5.19,  99.90,   0.73,
09/05 08Z,  -0.50,   3.58,   3.73,  99.90,   0.65,
09/05 09Z,  -0.50,   2.18,   2.31,  99.90,   0.63,
09/05 10Z,  -0.50,   1.06,   1.44,  99.90,   0.88,
09/05 11Z,  -0.50,   0.35,   0.56,  99.90,   0.71,
09/05 12Z,  -0.50,   0.09,   0.30,  99.90,   0.71,  (min)
09/05 13Z,  -0.50,   0.31,   0.57,  99.90,   0.76,
09/05 14Z,  -0.60,   0.98,   1.24,  99.90,   0.86,
09/05 15Z,  -0.50,   1.92,   2.06,  99.90,   0.64,
09/05 16Z,  -0.50,   2.86,   3.12,  99.90,   0.76,
09/05 17Z,  -0.50,   3.63,   3.73,  99.90,   0.60,
09/05 18Z,  -0.50,   4.19,   4.37,  99.90,   0.68,
09/05 19Z,  -0.50,   4.47,   4.65,  99.90,   0.68,
09/05 20Z,  -0.50,   4.44,   4.67,  99.90,   0.73,  (max)
09/05 21Z,  -0.40,   4.21,   4.45,  99.90,   0.64,
09/05 22Z,  -0.50,   4.00,   4.34,  99.90,   0.84,  (min)
09/05 23Z,  -0.50,   3.96,   4.35,  99.90,   0.89,
09/06 00Z,  -0.50,   4.12,   4.50,  99.90,   0.88,
09/06 01Z,  -0.50,   4.51,   4.90,  99.90,   0.89,
09/06 02Z,  -0.50,   5.14,   5.65,  99.90,   1.01,
09/06 03Z,  -0.40,   5.90,   6.32,  99.90,   0.82,
09/06 04Z,  -0.40,   6.55,   6.94,  99.90,   0.79,
09/06 05Z,  -0.20,   6.87,   7.48,  99.90,   0.81,  (max)
09/06 06Z,  -0.10,   6.80,   7.36,  99.90,   0.66,
09/06 07Z,  -0.10,   6.30,   6.89,  99.90,   0.69,
09/06 08Z,  -0.20,   5.33,   6.19,  99.90,   1.06,
09/06 09Z,  -0.10,   3.98,   4.78,  99.90,   0.90,
09/06 10Z,   0.10,   2.53,   3.49,  99.90,   0.86,
09/06 11Z,   0.30,   1.25,   2.17,  99.90,   0.62,
09/06 12Z,   0.00,   0.31,   1.25,  99.90,   0.94,
09/06 13Z,  -0.10,  -0.18,   0.70,  99.90,   0.98,  (min)
09/06 14Z,  -0.10,  -0.11,   0.75,  99.90,   0.96,
09/06 15Z,   0.00,   0.53,   1.48,  99.90,   0.95,
09/06 16Z,   0.00,   1.54,   2.41,  99.90,   0.87,
09/06 17Z,   0.00,   2.65,   3.52,  99.90,   0.87,
09/06 18Z,   0.00,   3.68,   4.38,  99.90,   0.70,
09/06 19Z,   0.00,   4.48,   5.17,  99.90,   0.69,
09/06 20Z,   0.00,   4.93,   5.65,  99.90,   0.72,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/06 21Z,   0.00,   4.94,  99.90,   5.66,   0.71,  (max)
09/06 22Z,   0.00,   4.64,  99.90,   5.34,   0.70,
09/06 23Z,   0.00,   4.24,  99.90,   4.94,   0.70,
09/07 00Z,  -0.10,   3.95,  99.90,   4.54,   0.69,
09/07 01Z,  -0.10,   3.85,  99.90,   4.43,   0.68,  (min)
09/07 02Z,  -0.10,   4.05,  99.90,   4.62,   0.67,
09/07 03Z,  -0.10,   4.61,  99.90,   5.17,   0.66,
09/07 04Z,  -0.10,   5.43,  99.90,   5.98,   0.65,
09/07 05Z,  -0.10,   6.24,  99.90,   6.79,   0.64,
09/07 06Z,   0.00,   6.81,  99.90,   7.44,   0.64,
09/07 07Z,   0.00,   6.99,  99.90,   7.61,   0.63,  (max)
09/07 08Z,   0.00,   6.67,  99.90,   7.29,   0.62,
09/07 09Z,   0.00,   5.77,  99.90,   6.38,   0.62,
09/07 10Z,   0.00,   4.37,  99.90,   4.99,   0.62,
09/07 11Z,   0.00,   2.77,  99.90,   3.39,   0.62,
09/07 12Z,  -0.10,   1.28,  99.90,   1.80,   0.62,
09/07 13Z,  -0.20,   0.12,  99.90,   0.54,   0.62,
09/07 14Z,  -0.20,  -0.51,  99.90,  -0.09,   0.62,  (min)
09/07 15Z,  -0.20,  -0.46,  99.90,  -0.04,   0.62,
09/07 16Z,  -0.10,   0.28,  99.90,   0.80,   0.62,
09/07 17Z,  -0.10,   1.48,  99.90,   2.00,   0.62,
09/07 18Z,  -0.10,   2.84,  99.90,   3.36,   0.62,
09/07 19Z,  -0.10,   4.10,  99.90,   4.62,   0.62,
09/07 20Z,   0.00,   5.06,  99.90,   5.68,   0.62,
09/07 21Z,   0.00,   5.53,  99.90,   6.14,   0.62,  (max)
09/07 22Z,   0.00,   5.41,  99.90,   6.03,   0.62,
09/07 23Z,   0.00,   4.86,  99.90,   5.48,   0.62,
09/08 00Z,  -0.10,   4.17,  99.90,   4.69,   0.62,
09/08 01Z,  -0.10,   3.57,  99.90,   4.09,   0.62,
09/08 02Z,  -0.20,   3.24,  99.90,   3.66,   0.62,  (min)
09/08 03Z,  -0.20,   3.35,  99.90,   3.77,   0.62,
09/08 04Z,  -0.20,   3.98,  99.90,   4.40,   0.62,
09/08 05Z,  -0.10,   4.98,  99.90,   5.50,   0.62,
09/08 06Z,   0.00,   6.04,  99.90,   6.66,   0.62,
09/08 07Z,   0.00,   6.87,  99.90,   7.49,   0.62,
09/08 08Z,   0.00,   7.27,  99.90,   7.89,   0.62,  (max)
09/08 09Z,   0.00,   7.05,  99.90,   7.67,   0.62,
09/08 10Z,  -0.10,   6.11,  99.90,   6.63,   0.62,
09/08 11Z,  -0.20,   4.58,  99.90,   5.00,   0.62,
09/08 12Z,  -0.20,   2.79,  99.90,   3.21,   0.62,
09/08 13Z,  -0.30,   1.12,  99.90,   1.44,   0.62,
09/08 14Z,  -0.40,  -0.15,  99.90,   0.07,   0.62,
09/08 15Z,  -0.50,  -0.79,  99.90,  -0.67,   0.62,  (min)
09/08 16Z,  -0.60,  -0.60,  99.90,  -0.58,   0.62,
09/08 17Z,  -0.60,   0.37,  99.90,   0.39,   0.62,
09/08 18Z,  -0.60,   1.84,  99.90,   1.86,   0.62,
09/08 19Z,  -0.50,   3.43,  99.90,   3.55,   0.62,
09/08 20Z,  -0.50,   4.84,  99.90,   4.96,   0.62,
09/08 21Z,  -0.50,   5.81,  99.90,   5.93,   0.62,
09/08 22Z,  -0.60,   6.11,  99.90,   6.13,   0.62,  (max)
09/08 23Z,  -0.60,   5.70,  99.90,   5.71,   0.62,
09/09 00Z,  -0.70,   4.80,  99.90,   4.72,   0.62,
09/09 01Z,  -0.80,   3.77,  99.90,   3.59,   0.62,
09/09 02Z,  -0.90,   2.90,  99.90,   2.62,   0.62,
09/09 03Z,  -1.00,   2.44,  99.90,   2.06,   0.62,  (min)
09/09 04Z,  -1.00,   2.59,  99.90,   2.21,   0.62,
09/09 05Z,  -0.90,   3.40,  99.90,   3.12,   0.62,
09/09 06Z,  -0.80,   4.65,  99.90,   4.47,   0.62,
09/09 07Z,  -0.80,   5.98,  99.90,   5.80,   0.62,
09/09 08Z,  -0.70,   7.03,  99.90,   6.94,   0.62,
09/09 09Z,  -0.80,   7.54,  99.90,   7.36,   0.62,  (max)
09/09 10Z,  -0.90,   7.30,  99.90,   7.02,   0.62,
09/09 11Z,  -1.00,   6.23,  99.90,   5.85,   0.62,
09/09 12Z,  -1.00,   4.52,  99.90,   4.14,   0.62,
09/09 13Z,  -1.00,   2.58,  99.90,   2.20,   0.62,
09/09 14Z,  -1.00,   0.83,  99.90,   0.45,   0.62,
09/09 15Z,  -1.00,  -0.41,  99.90,  -0.79,   0.62,
09/09 16Z,  -1.10,  -0.87,  99.90,  -1.35,   0.62,  (min)
09/09 17Z,  -1.00,  -0.40,  99.90,  -0.78,   0.62,
09/09 18Z,  -1.00,   0.88,  99.90,   0.50,   0.62,
09/09 19Z,  -0.90,   2.61,  99.90,   2.33,   0.62,
09/09 20Z,  -0.90,   4.35,  99.90,   4.07,   0.62,
09/09 21Z,  -0.90,   5.76,  99.90,   5.48,   0.62,
09/09 22Z,  -0.90,   6.55,  99.90,   6.27,   0.62,  (max)
09/09 23Z,  -1.00,   6.51,  99.90,   6.13,   0.62,
09/10 00Z,  -1.00,   5.69,  99.90,   5.31,   0.62,
09/10 01Z,  -1.00,   4.41,  99.90,   4.03,   0.62,
09/10 02Z,  -1.00,   3.09,  99.90,   2.71,   0.62,
09/10 03Z,  -1.00,   2.06,  99.90,   1.68,   0.62,
09/10 04Z,  -1.00,   1.61,  99.90,   1.23,   0.62,  (min)
09/10 05Z,  -1.00,   1.92,  99.90,   1.54,   0.62,
09/10 06Z,  -0.90,   2.98,  99.90,   2.70,   0.62,
09/10 07Z,  -0.80,   4.50,  99.90,   4.32,   0.62,
09/10 08Z,  -0.80,   6.02,  99.90,   5.84,   0.62,
09/10 09Z,  -0.80,   7.17,  99.90,   6.99,   0.62,
09/10 10Z,  -0.90,   7.67,  99.90,   7.39,   0.62,  (max)
09/10 11Z,  -0.90,   7.30,  99.90,   7.02,   0.62,
09/10 12Z,  -0.90,   6.05,  99.90,   5.77,   0.62,