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 : 10/12/2026 00:23:37 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/10 06Z,  -0.50, -17.01, -17.59,  99.90,  -0.08,  (min)
10/10 07Z,  -0.50, -12.68, -13.37,  99.90,  -0.19,
10/10 08Z,  -0.40,  -7.43,  -8.18,  99.90,  -0.35,
10/10 09Z,  -0.30,  -2.62,  -3.01,  99.90,  -0.09,
10/10 10Z,  -0.20,   0.58,   0.34,  99.90,  -0.04,
10/10 11Z,  -0.20,   1.47,   1.26,  99.90,  -0.01,  (max)
10/10 12Z,  -0.40,  -0.12,  -0.25,  99.90,   0.27,
10/10 13Z,  -0.40,  -3.85,  -4.07,  99.90,   0.18,
10/10 14Z,  -0.40,  -8.86,  -9.22,  99.90,   0.04,
10/10 15Z,  -0.40, -13.86, -14.42,  99.90,  -0.16,
10/10 16Z,  -0.40, -17.27, -18.19,  99.90,  -0.52,
10/10 17Z,  -0.40, -18.01, -19.01,  99.90,  -0.60,  (min)
10/10 18Z,  -0.60, -16.02, -16.70,  99.90,  -0.08,
10/10 19Z,  -0.60, -11.94, -12.35,  99.90,   0.19,
10/10 20Z,  -0.50,  -6.79,  -7.25,  99.90,   0.04,
10/10 21Z,  -0.40,  -1.87,  -2.18,  99.90,   0.09,
10/10 22Z,  -0.30,   1.56,   1.45,  99.90,   0.19,
10/10 23Z,  -0.30,   2.69,   2.72,  99.90,   0.33,  (max)
10/11 00Z,  -0.40,   1.26,   1.27,  99.90,   0.41,
10/11 01Z,  -0.40,  -2.49,  -2.56,  99.90,   0.33,
10/11 02Z,  -0.40,  -7.83,  -7.83,  99.90,   0.40,
10/11 03Z,  -0.30, -13.59, -13.48,  99.90,   0.41,
10/11 04Z,  -0.10, -18.22, -18.33,  99.90,  -0.01,
10/11 05Z,   0.00, -20.34, -20.57,  99.90,  -0.23,  (min)
10/11 06Z,  -0.30, -19.49, -19.53,  99.90,   0.26,
10/11 07Z,  -0.20, -16.12, -16.20,  99.90,   0.12,
10/11 08Z,  -0.10, -11.13, -11.48,  99.90,  -0.25,
10/11 09Z,   0.00,  -5.72,  -6.01,  99.90,  -0.29,
10/11 10Z,   0.10,  -1.26,  -1.31,  99.90,  -0.15,
10/11 11Z,   0.10,   1.23,   1.28,  99.90,  -0.05,
10/11 12Z,   0.00,   1.23,   1.47,  99.90,   0.24,  (max)
10/11 13Z,  -0.10,  -1.20,  -0.88,  99.90,   0.42,
10/11 14Z,   0.00,  -5.49,  -5.22,  99.90,   0.27,
10/11 15Z,   0.00, -10.58, -10.33,  99.90,   0.25,
10/11 16Z,   0.00, -15.03, -15.05,  99.90,  -0.02,
10/11 17Z,   0.00, -17.37, -17.75,  99.90,  -0.38,  (min)
10/11 18Z,   0.00, -16.85, -17.15,  99.90,  -0.30,
10/11 19Z,   0.00, -13.81, -13.97,  99.90,  -0.16,
10/11 20Z,   0.00,  -9.16,  -9.43,  99.90,  -0.27,
10/11 21Z,   0.00,  -4.07,  -4.46,  99.90,  -0.39,
10/11 22Z,   0.10,   0.17,  -0.04,  99.90,  -0.31,
10/11 23Z,   0.00,   2.48,   2.45,  99.90,  -0.03,  (max)
10/12 00Z,   0.00,   2.32,   2.29,  99.90,  -0.03,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/12 01Z,   0.00,  -0.32,  99.90,  -0.36,  -0.04,
10/12 02Z,  -0.10,  -4.94,  99.90,  -5.09,  -0.06,
10/12 03Z,  -0.20, -10.60,  99.90, -10.86,  -0.07,
10/12 04Z,  -0.20, -16.00,  99.90, -16.28,  -0.08,
10/12 05Z,  -0.20, -19.67,  99.90, -19.96,  -0.09,
10/12 06Z,  -0.20, -20.52,  99.90, -20.83,  -0.10,  (min)
10/12 07Z,  -0.10, -18.51,  99.90, -18.73,  -0.12,
10/12 08Z,   0.00, -14.39,  99.90, -14.51,  -0.13,
10/12 09Z,   0.00,  -9.17,  99.90,  -9.31,  -0.14,
10/12 10Z,   0.00,  -4.10,  99.90,  -4.25,  -0.15,
10/12 11Z,   0.00,  -0.38,  99.90,  -0.55,  -0.16,
10/12 12Z,   0.00,   1.15,  99.90,   0.97,  -0.17,  (max)
10/12 13Z,   0.00,   0.23,  99.90,   0.05,  -0.17,
10/12 14Z,  -0.10,  -2.87,  99.90,  -3.15,  -0.17,
10/12 15Z,  -0.20,  -7.35,  99.90,  -7.73,  -0.17,
10/12 16Z,  -0.30, -12.04,  99.90, -12.52,  -0.17,
10/12 17Z,  -0.30, -15.52,  99.90, -16.00,  -0.17,
10/12 18Z,  -0.20, -16.57,  99.90, -16.94,  -0.17,  (min)
10/12 19Z,  -0.10, -14.87,  99.90, -15.14,  -0.17,
10/12 20Z,   0.00, -11.12,  99.90, -11.30,  -0.17,
10/12 21Z,   0.00,  -6.41,  99.90,  -6.58,  -0.17,
10/12 22Z,   0.10,  -1.88,  99.90,  -1.96,  -0.17,
10/12 23Z,   0.10,   1.30,  99.90,   1.23,  -0.17,
10/13 00Z,   0.00,   2.32,  99.90,   2.14,  -0.17,  (max)
10/13 01Z,   0.00,   0.91,  99.90,   0.73,  -0.17,
10/13 02Z,   0.00,  -2.67,  99.90,  -2.84,  -0.17,
10/13 03Z,   0.00,  -7.68,  99.90,  -7.86,  -0.17,
10/13 04Z,  -0.10, -13.09,  99.90, -13.36,  -0.17,
10/13 05Z,  -0.10, -17.61,  99.90, -17.89,  -0.17,
10/13 06Z,   0.00, -19.99,  99.90, -20.17,  -0.17,  (min)
10/13 07Z,   0.00, -19.56,  99.90, -19.73,  -0.17,
10/13 08Z,   0.10, -16.67,  99.90, -16.75,  -0.17,
10/13 09Z,   0.20, -12.25,  99.90, -12.23,  -0.17,
10/13 10Z,   0.10,  -7.32,  99.90,  -7.39,  -0.17,
10/13 11Z,   0.10,  -2.98,  99.90,  -3.05,  -0.17,
10/13 12Z,   0.00,  -0.25,  99.90,  -0.42,  -0.17,
10/13 13Z,   0.00,   0.30,  99.90,   0.12,  -0.17,  (max)
10/13 14Z,   0.00,  -1.38,  99.90,  -1.56,  -0.17,
10/13 15Z,   0.00,  -4.80,  99.90,  -4.97,  -0.17,
10/13 16Z,   0.00,  -9.02,  99.90,  -9.19,  -0.17,
10/13 17Z,   0.00, -12.89,  99.90, -13.06,  -0.17,
10/13 18Z,   0.00, -15.15,  99.90, -15.32,  -0.17,  (min)
10/13 19Z,   0.00, -14.94,  99.90, -15.12,  -0.17,
10/13 20Z,   0.00, -12.40,  99.90, -12.57,  -0.17,
10/13 21Z,   0.00,  -8.45,  99.90,  -8.63,  -0.17,
10/13 22Z,   0.00,  -4.18,  99.90,  -4.35,  -0.17,
10/13 23Z,   0.00,  -0.60,  99.90,  -0.78,  -0.17,
10/14 00Z,   0.00,   1.34,  99.90,   1.17,  -0.17,  (max)
10/14 01Z,  -0.10,   1.12,  99.90,   0.85,  -0.17,
10/14 02Z,  -0.10,  -1.26,  99.90,  -1.53,  -0.17,
10/14 03Z,  -0.10,  -5.31,  99.90,  -5.58,  -0.17,
10/14 04Z,  -0.10, -10.17,  99.90, -10.44,  -0.17,
10/14 05Z,   0.00, -14.80,  99.90, -14.98,  -0.17,
10/14 06Z,   0.00, -18.12,  99.90, -18.29,  -0.17,
10/14 07Z,   0.10, -19.18,  99.90, -19.25,  -0.17,  (min)
10/14 08Z,   0.20, -17.74,  99.90, -17.72,  -0.17,
10/14 09Z,   0.30, -14.45,  99.90, -14.33,  -0.17,
10/14 10Z,   0.20, -10.24,  99.90, -10.22,  -0.17,
10/14 11Z,   0.10,  -5.99,  99.90,  -6.06,  -0.17,
10/14 12Z,   0.10,  -2.62,  99.90,  -2.69,  -0.17,
10/14 13Z,   0.00,  -0.90,  99.90,  -1.08,  -0.17,  (max)
10/14 14Z,   0.00,  -1.17,  99.90,  -1.35,  -0.17,
10/14 15Z,   0.00,  -3.27,  99.90,  -3.45,  -0.17,
10/14 16Z,  -0.10,  -6.57,  99.90,  -6.84,  -0.17,
10/14 17Z,  -0.10, -10.12,  99.90, -10.40,  -0.17,
10/14 18Z,  -0.10, -12.91,  99.90, -13.19,  -0.17,
10/14 19Z,  -0.10, -13.97,  99.90, -14.24,  -0.17,  (min)
10/14 20Z,  -0.10, -12.82,  99.90, -13.10,  -0.17,
10/14 21Z,   0.00,  -9.93,  99.90, -10.10,  -0.17,
10/14 22Z,   0.00,  -6.29,  99.90,  -6.46,  -0.17,
10/14 23Z,   0.00,  -2.83,  99.90,  -3.00,  -0.17,
10/15 00Z,  -0.10,  -0.37,  99.90,  -0.65,  -0.17,
10/15 01Z,  -0.20,   0.40,  99.90,   0.02,  -0.17,  (max)
10/15 02Z,  -0.40,  -0.79,  99.90,  -1.36,  -0.17,
10/15 03Z,  -0.40,  -3.69,  99.90,  -4.26,  -0.17,
10/15 04Z,  -0.50,  -7.69,  99.90,  -8.36,  -0.17,
10/15 05Z,  -0.30, -11.91,  99.90, -12.38,  -0.17,
10/15 06Z,  -0.20, -15.46,  99.90, -15.84,  -0.17,
10/15 07Z,  -0.20, -17.53,  99.90, -17.91,  -0.17,  (min)
10/15 08Z,   0.00, -17.54,  99.90, -17.71,  -0.17,
10/15 09Z,   0.00, -15.58,  99.90, -15.75,  -0.17,
10/15 10Z,   0.00, -12.40,  99.90, -12.57,  -0.17,
10/15 11Z,   0.00,  -8.79,  99.90,  -8.97,  -0.17,
10/15 12Z,  -0.10,  -5.44,  99.90,  -5.72,  -0.17,
10/15 13Z,  -0.10,  -3.05,  99.90,  -3.32,  -0.17,
10/15 14Z,  -0.10,  -2.16,  99.90,  -2.44,  -0.17,  (max)
10/15 15Z,   0.00,  -2.92,  99.90,  -3.09,  -0.17,
10/15 16Z,   0.00,  -5.02,  99.90,  -5.19,  -0.17,
10/15 17Z,   0.00,  -7.80,  99.90,  -7.97,  -0.17,
10/15 18Z,   0.20, -10.45,  99.90, -10.42,  -0.17,