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
#Sitka, AK : 02/07/2026 19:21:13 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/06 00Z,  -0.20,   9.64,   9.43,  99.90,  -0.01,  (max)
02/06 01Z,  -0.10,   8.99,   8.85,  99.90,  -0.04,
02/06 02Z,  -0.10,   7.36,   7.24,  99.90,  -0.02,
02/06 03Z,   0.00,   5.15,   4.96,  99.90,  -0.19,
02/06 04Z,   0.00,   2.91,   2.70,  99.90,  -0.21,
02/06 05Z,   0.00,   1.22,   1.08,  99.90,  -0.14,
02/06 06Z,  -0.20,   0.51,   0.34,  99.90,   0.03,  (min)
02/06 07Z,  -0.20,   0.97,   0.82,  99.90,   0.05,
02/06 08Z,  -0.10,   2.50,   2.40,  99.90,  -0.00,
02/06 09Z,   0.00,   4.73,   4.74,  99.90,   0.01,
02/06 10Z,   0.00,   7.13,   7.16,  99.90,   0.03,
02/06 11Z,   0.00,   9.13,   9.21,  99.90,   0.08,
02/06 12Z,   0.00,  10.24,  10.44,  99.90,   0.20,
02/06 13Z,   0.00,  10.24,  10.45,  99.90,   0.21,  (max)
02/06 14Z,   0.00,   9.15,   9.45,  99.90,   0.30,
02/06 15Z,   0.10,   7.27,   7.57,  99.90,   0.20,
02/06 16Z,   0.30,   5.08,   5.35,  99.90,  -0.03,
02/06 17Z,   0.40,   3.13,   3.48,  99.90,  -0.05,
02/06 18Z,   0.40,   1.90,   2.09,  99.90,  -0.21,
02/06 19Z,   0.40,   1.65,   1.89,  99.90,  -0.16,  (min)
02/06 20Z,   0.40,   2.40,   2.60,  99.90,  -0.20,
02/06 21Z,   0.50,   3.91,   4.08,  99.90,  -0.33,
02/06 22Z,   0.60,   5.75,   5.96,  99.90,  -0.39,
02/06 23Z,   0.60,   7.42,   7.68,  99.90,  -0.34,
02/07 00Z,   0.50,   8.46,   8.78,  99.90,  -0.18,
02/07 01Z,   0.50,   8.61,   9.01,  99.90,  -0.10,  (max)
02/07 02Z,   0.50,   7.83,   8.24,  99.90,  -0.09,
02/07 03Z,   0.60,   6.33,   6.72,  99.90,  -0.21,
02/07 04Z,   0.60,   4.51,   4.87,  99.90,  -0.24,
02/07 05Z,   0.60,   2.86,   3.25,  99.90,  -0.21,
02/07 06Z,   0.60,   1.83,   2.15,  99.90,  -0.28,
02/07 07Z,   0.70,   1.71,   2.06,  99.90,  -0.35,  (min)
02/07 08Z,   0.70,   2.56,   2.93,  99.90,  -0.33,
02/07 09Z,   0.80,   4.19,   4.60,  99.90,  -0.39,
02/07 10Z,   0.80,   6.23,   6.72,  99.90,  -0.31,
02/07 11Z,   0.80,   8.18,   8.71,  99.90,  -0.27,
02/07 12Z,   0.70,   9.58,  10.24,  99.90,  -0.04,
02/07 13Z,   0.80,  10.10,  10.75,  99.90,  -0.15,  (max)
02/07 14Z,   0.80,   9.63,  10.28,  99.90,  -0.15,
02/07 15Z,   0.90,   8.30,   8.95,  99.90,  -0.25,
02/07 16Z,   1.00,   6.42,   7.09,  99.90,  -0.33,
02/07 17Z,   1.10,   4.45,   5.11,  99.90,  -0.44,
02/07 18Z,   1.10,   2.85,   3.48,  99.90,  -0.47,
02/07 19Z,   1.20,   1.96,   2.58,  99.90,  -0.58,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/07 20Z,   1.20,   1.95,  99.90,   2.58,  -0.58,  (min)
02/07 21Z,   1.20,   2.75,  99.90,   3.38,  -0.57,
02/07 22Z,   1.20,   4.11,  99.90,   4.75,  -0.56,
02/07 23Z,   1.10,   5.63,  99.90,   6.18,  -0.56,
02/08 00Z,   1.10,   6.91,  99.90,   7.46,  -0.55,
02/08 01Z,   1.10,   7.62,  99.90,   8.17,  -0.54,
02/08 02Z,   1.20,   7.58,  99.90,   8.25,  -0.54,  (max)
02/08 03Z,   1.10,   6.85,  99.90,   7.42,  -0.53,
02/08 04Z,   1.10,   5.65,  99.90,   6.22,  -0.52,
02/08 05Z,   1.10,   4.32,  99.90,   4.91,  -0.52,
02/08 06Z,   1.10,   3.27,  99.90,   3.86,  -0.51,
02/08 07Z,   1.10,   2.81,  99.90,   3.41,  -0.50,  (min)
02/08 08Z,   1.00,   3.10,  99.90,   3.59,  -0.50,
02/08 09Z,   0.90,   4.11,  99.90,   4.50,  -0.50,
02/08 10Z,   0.90,   5.62,  99.90,   6.02,  -0.50,
02/08 11Z,   0.80,   7.30,  99.90,   7.59,  -0.50,
02/08 12Z,   0.80,   8.73,  99.90,   9.03,  -0.50,
02/08 13Z,   0.70,   9.59,  99.90,   9.79,  -0.50,  (max)
02/08 14Z,   0.60,   9.66,  99.90,   9.75,  -0.50,
02/08 15Z,   0.50,   8.92,  99.90,   8.91,  -0.50,
02/08 16Z,   0.50,   7.53,  99.90,   7.53,  -0.50,
02/08 17Z,   0.40,   5.81,  99.90,   5.71,  -0.50,
02/08 18Z,   0.40,   4.14,  99.90,   4.03,  -0.50,
02/08 19Z,   0.30,   2.86,  99.90,   2.65,  -0.50,
02/08 20Z,   0.30,   2.21,  99.90,   2.01,  -0.50,  (min)
02/08 21Z,   0.40,   2.29,  99.90,   2.19,  -0.50,
02/08 22Z,   0.40,   3.01,  99.90,   2.90,  -0.50,
02/08 23Z,   0.40,   4.11,  99.90,   4.01,  -0.50,
02/09 00Z,   0.40,   5.30,  99.90,   5.20,  -0.50,
02/09 01Z,   0.40,   6.26,  99.90,   6.16,  -0.50,
02/09 02Z,   0.40,   6.77,  99.90,   6.67,  -0.50,  (max)
02/09 03Z,   0.30,   6.73,  99.90,   6.52,  -0.50,
02/09 04Z,   0.30,   6.20,  99.90,   6.00,  -0.50,
02/09 05Z,   0.20,   5.39,  99.90,   5.09,  -0.50,
02/09 06Z,   0.20,   4.57,  99.90,   4.27,  -0.50,
02/09 07Z,   0.10,   4.01,  99.90,   3.61,  -0.50,
02/09 08Z,   0.10,   3.93,  99.90,   3.52,  -0.50,  (min)
02/09 09Z,   0.10,   4.40,  99.90,   3.99,  -0.50,
02/09 10Z,   0.10,   5.35,  99.90,   4.95,  -0.50,
02/09 11Z,   0.20,   6.60,  99.90,   6.30,  -0.50,
02/09 12Z,   0.30,   7.86,  99.90,   7.66,  -0.50,
02/09 13Z,   0.30,   8.84,  99.90,   8.64,  -0.50,
02/09 14Z,   0.40,   9.30,  99.90,   9.20,  -0.50,  (max)
02/09 15Z,   0.30,   9.12,  99.90,   8.91,  -0.50,
02/09 16Z,   0.30,   8.31,  99.90,   8.10,  -0.50,
02/09 17Z,   0.20,   7.03,  99.90,   6.72,  -0.50,
02/09 18Z,   0.20,   5.53,  99.90,   5.23,  -0.50,
02/09 19Z,   0.10,   4.11,  99.90,   3.71,  -0.50,
02/09 20Z,   0.10,   3.04,  99.90,   2.64,  -0.50,
02/09 21Z,   0.10,   2.49,  99.90,   2.08,  -0.50,  (min)
02/09 22Z,   0.10,   2.51,  99.90,   2.11,  -0.50,
02/09 23Z,   0.20,   3.03,  99.90,   2.73,  -0.50,
02/10 00Z,   0.20,   3.87,  99.90,   3.57,  -0.50,
02/10 01Z,   0.20,   4.80,  99.90,   4.50,  -0.50,
02/10 02Z,   0.20,   5.60,  99.90,   5.29,  -0.50,
02/10 03Z,   0.20,   6.08,  99.90,   5.78,  -0.50,
02/10 04Z,   0.20,   6.20,  99.90,   5.89,  -0.50,  (max)
02/10 05Z,   0.20,   5.98,  99.90,   5.67,  -0.50,
02/10 06Z,   0.20,   5.56,  99.90,   5.25,  -0.50,
02/10 07Z,   0.20,   5.12,  99.90,   4.82,  -0.50,
02/10 08Z,   0.10,   4.87,  99.90,   4.47,  -0.50,
02/10 09Z,   0.00,   4.93,  99.90,   4.43,  -0.50,  (min)
02/10 10Z,   0.00,   5.37,  99.90,   4.87,  -0.50,
02/10 11Z,   0.00,   6.13,  99.90,   5.62,  -0.50,
02/10 12Z,   0.00,   7.07,  99.90,   6.56,  -0.50,
02/10 13Z,   0.10,   7.98,  99.90,   7.58,  -0.50,
02/10 14Z,   0.00,   8.66,  99.90,   8.16,  -0.50,
02/10 15Z,   0.00,   8.93,  99.90,   8.43,  -0.50,  (max)
02/10 16Z,   0.00,   8.69,  99.90,   8.19,  -0.50,
02/10 17Z,   0.00,   7.96,  99.90,   7.46,  -0.50,
02/10 18Z,   0.00,   6.84,  99.90,   6.34,  -0.50,
02/10 19Z,   0.10,   5.53,  99.90,   5.13,  -0.50,
02/10 20Z,   0.10,   4.26,  99.90,   3.85,  -0.50,
02/10 21Z,   0.10,   3.23,  99.90,   2.82,  -0.50,
02/10 22Z,   0.10,   2.61,  99.90,   2.21,  -0.50,
02/10 23Z,   0.10,   2.47,  99.90,   2.07,  -0.50,  (min)
02/11 00Z,   0.00,   2.79,  99.90,   2.28,  -0.50,
02/11 01Z,   0.00,   3.44,  99.90,   2.94,  -0.50,
02/11 02Z,   0.10,   4.26,  99.90,   3.86,  -0.50,
02/11 03Z,   0.20,   5.07,  99.90,   4.76,  -0.50,
02/11 04Z,   0.20,   5.70,  99.90,   5.40,  -0.50,
02/11 05Z,   0.20,   6.06,  99.90,   5.76,  -0.50,
02/11 06Z,   0.30,   6.15,  99.90,   5.94,  -0.50,  (max)
02/11 07Z,   0.40,   6.01,  99.90,   5.91,  -0.50,
02/11 08Z,   0.40,   5.78,  99.90,   5.68,  -0.50,
02/11 09Z,   0.40,   5.61,  99.90,   5.50,  -0.50,  (min)
02/11 10Z,   0.40,   5.62,  99.90,   5.51,  -0.50,
02/11 11Z,   0.40,   5.88,  99.90,   5.77,  -0.50,
02/11 12Z,   0.40,   6.40,  99.90,   6.29,  -0.50,