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 : 06/05/2026 22:22:01 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
06/04 06Z,   0.90,   3.76,   3.41,  99.90,  -1.25,  (min)
06/04 07Z,   0.80,   4.31,   3.83,  99.90,  -1.28,
06/04 08Z,   0.80,   5.56,   5.11,  99.90,  -1.25,
06/04 09Z,   0.70,   7.15,   6.73,  99.90,  -1.12,
06/04 10Z,   0.70,   8.68,   8.21,  99.90,  -1.17,
06/04 11Z,   0.70,   9.72,   9.40,  99.90,  -1.02,
06/04 12Z,   0.80,   9.92,   9.54,  99.90,  -1.18,  (max)
06/04 13Z,   0.70,   9.16,   8.68,  99.90,  -1.18,
06/04 14Z,   0.70,   7.55,   7.09,  99.90,  -1.16,
06/04 15Z,   0.70,   5.38,   4.95,  99.90,  -1.13,
06/04 16Z,   0.70,   3.02,   2.53,  99.90,  -1.19,
06/04 17Z,   0.70,   0.93,   0.55,  99.90,  -1.08,
06/04 18Z,   0.70,  -0.40,  -0.72,  99.90,  -1.02,
06/04 19Z,   0.70,  -0.66,  -0.96,  99.90,  -1.00,  (min)
06/04 20Z,   0.70,   0.14,  -0.15,  99.90,  -0.99,
06/04 21Z,   0.80,   1.70,   1.41,  99.90,  -1.09,
06/04 22Z,   0.80,   3.66,   3.37,  99.90,  -1.09,
06/04 23Z,   0.80,   5.58,   5.34,  99.90,  -1.04,
06/05 00Z,   0.70,   7.03,   6.76,  99.90,  -0.97,
06/05 01Z,   0.70,   7.74,   7.43,  99.90,  -1.01,  (max)
06/05 02Z,   0.60,   7.66,   7.32,  99.90,  -0.94,
06/05 03Z,   0.60,   6.95,   6.66,  99.90,  -0.89,
06/05 04Z,   0.60,   5.85,   5.48,  99.90,  -0.97,
06/05 05Z,   0.70,   4.71,   4.29,  99.90,  -1.12,
06/05 06Z,   0.60,   3.96,   3.64,  99.90,  -0.92,
06/05 07Z,   0.60,   3.92,   3.60,  99.90,  -0.92,  (min)
06/05 08Z,   0.60,   4.66,   4.27,  99.90,  -0.99,
06/05 09Z,   0.60,   5.93,   5.54,  99.90,  -0.99,
06/05 10Z,   0.60,   7.39,   7.03,  99.90,  -0.96,
06/05 11Z,   0.70,   8.66,   8.29,  99.90,  -1.07,
06/05 12Z,   0.60,   9.37,   9.07,  99.90,  -0.90,  (max)
06/05 13Z,   0.60,   9.26,   8.97,  99.90,  -0.89,
06/05 14Z,   0.60,   8.27,   7.96,  99.90,  -0.91,
06/05 15Z,   0.60,   6.58,   6.36,  99.90,  -0.82,
06/05 16Z,   0.60,   4.49,   4.24,  99.90,  -0.85,
06/05 17Z,   0.70,   2.36,   2.14,  99.90,  -0.92,
06/05 18Z,   0.70,   0.64,   0.47,  99.90,  -0.87,
06/05 19Z,   0.80,  -0.26,  -0.35,  99.90,  -0.89,  (min)
06/05 20Z,   0.80,  -0.13,  -0.23,  99.90,  -0.90,
06/05 21Z,   0.80,   0.91,   0.82,  99.90,  -0.89,
06/05 22Z,   0.80,   2.55,   2.48,  99.90,  -0.87,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
06/05 23Z,   0.80,   4.42,  99.90,   4.35,  -0.88,
06/06 00Z,   0.80,   6.14,  99.90,   6.05,  -0.89,
06/06 01Z,   0.80,   7.32,  99.90,   7.23,  -0.89,
06/06 02Z,   0.80,   7.77,  99.90,   7.67,  -0.90,  (max)
06/06 03Z,   0.80,   7.50,  99.90,   7.39,  -0.91,
06/06 04Z,   0.90,   6.68,  99.90,   6.66,  -0.91,
06/06 05Z,   0.90,   5.58,  99.90,   5.56,  -0.92,
06/06 06Z,   0.90,   4.54,  99.90,   4.51,  -0.93,
06/06 07Z,   0.90,   3.94,  99.90,   3.90,  -0.93,  (min)
06/06 08Z,   0.90,   4.04,  99.90,   4.00,  -0.94,
06/06 09Z,   0.90,   4.82,  99.90,   4.77,  -0.95,
06/06 10Z,   0.90,   6.02,  99.90,   5.96,  -0.95,
06/06 11Z,   0.90,   7.30,  99.90,   7.24,  -0.95,
06/06 12Z,   0.90,   8.32,  99.90,   8.27,  -0.95,
06/06 13Z,   0.80,   8.79,  99.90,   8.63,  -0.95,  (max)
06/06 14Z,   0.80,   8.48,  99.90,   8.33,  -0.95,
06/06 15Z,   0.80,   7.41,  99.90,   7.25,  -0.95,
06/06 16Z,   0.80,   5.77,  99.90,   5.61,  -0.95,
06/06 17Z,   0.80,   3.85,  99.90,   3.70,  -0.95,
06/06 18Z,   0.80,   2.01,  99.90,   1.86,  -0.95,
06/06 19Z,   0.80,   0.65,  99.90,   0.50,  -0.95,
06/06 20Z,   0.80,   0.13,  99.90,  -0.03,  -0.95,  (min)
06/06 21Z,   0.80,   0.55,  99.90,   0.39,  -0.95,
06/06 22Z,   0.80,   1.74,  99.90,   1.58,  -0.95,
06/06 23Z,   0.80,   3.39,  99.90,   3.23,  -0.95,
06/07 00Z,   0.80,   5.15,  99.90,   4.99,  -0.95,
06/07 01Z,   0.80,   6.67,  99.90,   6.52,  -0.95,
06/07 02Z,   0.80,   7.64,  99.90,   7.49,  -0.95,
06/07 03Z,   0.80,   7.89,  99.90,   7.73,  -0.95,  (max)
06/07 04Z,   0.70,   7.46,  99.90,   7.21,  -0.95,
06/07 05Z,   0.80,   6.55,  99.90,   6.39,  -0.95,
06/07 06Z,   0.80,   5.41,  99.90,   5.25,  -0.95,
06/07 07Z,   0.80,   4.38,  99.90,   4.23,  -0.95,
06/07 08Z,   0.80,   3.83,  99.90,   3.67,  -0.95,  (min)
06/07 09Z,   0.90,   3.95,  99.90,   3.89,  -0.95,
06/07 10Z,   0.90,   4.67,  99.90,   4.62,  -0.95,
06/07 11Z,   0.90,   5.74,  99.90,   5.69,  -0.95,
06/07 12Z,   0.80,   6.86,  99.90,   6.71,  -0.95,
06/07 13Z,   0.80,   7.74,  99.90,   7.58,  -0.95,
06/07 14Z,   0.70,   8.09,  99.90,   7.83,  -0.95,  (max)
06/07 15Z,   0.70,   7.74,  99.90,   7.49,  -0.95,
06/07 16Z,   0.70,   6.72,  99.90,   6.47,  -0.95,
06/07 17Z,   0.60,   5.23,  99.90,   4.88,  -0.95,
06/07 18Z,   0.60,   3.55,  99.90,   3.19,  -0.95,
06/07 19Z,   0.70,   1.99,  99.90,   1.73,  -0.95,
06/07 20Z,   0.70,   0.94,  99.90,   0.69,  -0.95,
06/07 21Z,   0.70,   0.69,  99.90,   0.44,  -0.95,  (min)
06/07 22Z,   0.70,   1.30,  99.90,   1.05,  -0.95,
06/07 23Z,   0.70,   2.57,  99.90,   2.32,  -0.95,
06/08 00Z,   0.70,   4.20,  99.90,   3.95,  -0.95,
06/08 01Z,   0.70,   5.88,  99.90,   5.62,  -0.95,
06/08 02Z,   0.70,   7.27,  99.90,   7.02,  -0.95,
06/08 03Z,   0.70,   8.07,  99.90,   7.82,  -0.95,
06/08 04Z,   0.80,   8.15,  99.90,   8.00,  -0.95,  (max)
06/08 05Z,   0.80,   7.57,  99.90,   7.41,  -0.95,
06/08 06Z,   0.80,   6.52,  99.90,   6.36,  -0.95,
06/08 07Z,   0.80,   5.26,  99.90,   5.11,  -0.95,
06/08 08Z,   0.80,   4.14,  99.90,   3.99,  -0.95,
06/08 09Z,   0.90,   3.51,  99.90,   3.45,  -0.95,
06/08 10Z,   0.80,   3.54,  99.90,   3.38,  -0.95,  (min)
06/08 11Z,   0.80,   4.15,  99.90,   4.00,  -0.95,
06/08 12Z,   0.80,   5.12,  99.90,   4.96,  -0.95,
06/08 13Z,   0.80,   6.17,  99.90,   6.01,  -0.95,
06/08 14Z,   0.80,   7.03,  99.90,   6.87,  -0.95,
06/08 15Z,   0.80,   7.43,  99.90,   7.27,  -0.95,  (max)
06/08 16Z,   0.80,   7.18,  99.90,   7.03,  -0.95,
06/08 17Z,   0.80,   6.33,  99.90,   6.17,  -0.95,
06/08 18Z,   0.90,   5.04,  99.90,   4.99,  -0.95,
06/08 19Z,   0.90,   3.58,  99.90,   3.52,  -0.95,
06/08 20Z,   0.90,   2.25,  99.90,   2.19,  -0.95,
06/08 21Z,   0.90,   1.42,  99.90,   1.37,  -0.95,
06/08 22Z,   0.90,   1.35,  99.90,   1.30,  -0.95,  (min)
06/08 23Z,   0.90,   2.07,  99.90,   2.02,  -0.95,
06/09 00Z,   0.90,   3.38,  99.90,   3.33,  -0.95,
06/09 01Z,   0.90,   5.01,  99.90,   4.96,  -0.95,
06/09 02Z,   0.90,   6.65,  99.90,   6.60,  -0.95,
06/09 03Z,   0.90,   7.97,  99.90,   7.91,  -0.95,
06/09 04Z,   0.90,   8.65,  99.90,   8.59,  -0.95,
06/09 05Z,   1.00,   8.56,  99.90,   8.61,  -0.95,  (max)
06/09 06Z,   1.00,   7.79,  99.90,   7.83,  -0.95,
06/09 07Z,   1.00,   6.52,  99.90,   6.56,  -0.95,
06/09 08Z,   1.00,   5.03,  99.90,   5.08,  -0.95,
06/09 09Z,   1.00,   3.70,  99.90,   3.75,  -0.95,
06/09 10Z,   1.10,   2.89,  99.90,   3.03,  -0.95,
06/09 11Z,   1.00,   2.77,  99.90,   2.82,  -0.95,  (min)
06/09 12Z,   1.00,   3.28,  99.90,   3.33,  -0.95,
06/09 13Z,  99.90,   4.22,  99.90,  99.90,  -0.95,
06/09 14Z,  99.90,   5.34,  99.90,  99.90,  -0.95,
06/09 15Z,  99.90,   6.35,  99.90,  99.90,  -0.95,
06/09 16Z,  99.90,   6.94,  99.90,  99.90,  -0.95,
06/09 17Z,  99.90,   6.91,  99.90,  99.90,  -0.95,
06/09 18Z,  99.90,   6.27,  99.90,  99.90,  -0.95,