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
#Friday Harbor, WA : 05/24/2025 04:20:51 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/22 12Z,  -0.10,   4.67,   5.01,  99.90,   0.44,
05/22 13Z,  -0.10,   3.52,   3.86,  99.90,   0.44,
05/22 14Z,  -0.10,   2.68,   3.07,  99.90,   0.49,
05/22 15Z,  -0.10,   2.28,   2.59,  99.90,   0.41,
05/22 16Z,  -0.10,   2.34,   2.52,  99.90,   0.28,  (min)
05/22 17Z,  -0.10,   2.74,   2.80,  99.90,   0.16,
05/22 18Z,  -0.10,   3.28,   3.40,  99.90,   0.22,
05/22 19Z,  -0.10,   3.80,   3.86,  99.90,   0.16,
05/22 20Z,  -0.10,   4.14,   4.21,  99.90,   0.17,
05/22 21Z,  -0.10,   4.23,   4.29,  99.90,   0.16,  (max)
05/22 22Z,  -0.10,   4.01,   4.16,  99.90,   0.25,
05/22 23Z,  -0.10,   3.54,   3.73,  99.90,   0.29,
05/23 00Z,  -0.10,   2.94,   3.21,  99.90,   0.37,
05/23 01Z,  -0.10,   2.45,   2.73,  99.90,   0.38,
05/23 02Z,  -0.10,   2.29,   2.55,  99.90,   0.36,  (min)
05/23 03Z,  -0.10,   2.58,   2.92,  99.90,   0.44,
05/23 04Z,  -0.10,   3.34,   3.56,  99.90,   0.32,
05/23 05Z,  -0.10,   4.42,   4.52,  99.90,   0.20,
05/23 06Z,  -0.10,   5.59,   5.63,  99.90,   0.14,
05/23 07Z,  -0.20,   6.61,   6.63,  99.90,   0.22,
05/23 08Z,  -0.20,   7.28,   7.32,  99.90,   0.24,
05/23 09Z,  -0.10,   7.45,   7.56,  99.90,   0.21,  (max)
05/23 10Z,  -0.10,   7.04,   7.22,  99.90,   0.28,
05/23 11Z,  -0.10,   6.07,   6.35,  99.90,   0.38,
05/23 12Z,  -0.10,   4.69,   5.06,  99.90,   0.47,
05/23 13Z,  -0.10,   3.16,   3.56,  99.90,   0.50,
05/23 14Z,  -0.10,   1.84,   2.27,  99.90,   0.53,
05/23 15Z,  -0.10,   0.99,   1.35,  99.90,   0.46,
05/23 16Z,  -0.20,   0.77,   1.10,  99.90,   0.53,  (min)
05/23 17Z,  -0.20,   1.13,   1.36,  99.90,   0.43,
05/23 18Z,   0.00,   1.90,   2.09,  99.90,   0.19,
05/23 19Z,  -0.10,   2.87,   3.02,  99.90,   0.25,
05/23 20Z,  -0.10,   3.81,   3.82,  99.90,   0.11,
05/23 21Z,   0.00,   4.56,   4.50,  99.90,  -0.06,
05/23 22Z,   0.00,   4.99,   4.97,  99.90,  -0.02,
05/23 23Z,  -0.10,   5.04,   5.14,  99.90,   0.20,  (max)
05/24 00Z,  -0.10,   4.73,   4.89,  99.90,   0.26,
05/24 01Z,   0.00,   4.22,   4.42,  99.90,   0.20,
05/24 02Z,   0.00,   3.75,   3.96,  99.90,   0.21,
05/24 03Z,   0.00,   3.58,   3.86,  99.90,   0.28,  (min)
05/24 04Z,   0.00,   3.84,   4.15,  99.90,   0.31,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/24 05Z,   0.00,   4.52,  99.90,   4.83,   0.31,
05/24 06Z,   0.00,   5.46,  99.90,   5.77,   0.31,
05/24 07Z,   0.00,   6.42,  99.90,   6.73,   0.31,
05/24 08Z,   0.00,   7.17,  99.90,   7.48,   0.31,
05/24 09Z,   0.00,   7.51,  99.90,   7.81,   0.30,  (max)
05/24 10Z,   0.00,   7.29,  99.90,   7.59,   0.30,
05/24 11Z,   0.00,   6.46,  99.90,   6.76,   0.30,
05/24 12Z,   0.00,   5.06,  99.90,   5.35,   0.30,
05/24 13Z,   0.00,   3.29,  99.90,   3.58,   0.29,
05/24 14Z,   0.00,   1.51,  99.90,   1.80,   0.29,
05/24 15Z,   0.00,   0.10,  99.90,   0.38,   0.29,
05/24 16Z,   0.00,  -0.64,  99.90,  -0.35,   0.29,  (min)
05/24 17Z,   0.00,  -0.59,  99.90,  -0.30,   0.29,
05/24 18Z,   0.00,   0.14,  99.90,   0.43,   0.29,
05/24 19Z,   0.00,   1.34,  99.90,   1.62,   0.29,
05/24 20Z,   0.00,   2.73,  99.90,   3.02,   0.29,
05/24 21Z,   0.00,   4.09,  99.90,   4.38,   0.29,
05/24 22Z,   0.00,   5.21,  99.90,   5.50,   0.29,
05/24 23Z,   0.00,   5.94,  99.90,   6.23,   0.29,
05/25 00Z,   0.00,   6.19,  99.90,   6.48,   0.29,  (max)
05/25 01Z,   0.00,   5.98,  99.90,   6.27,   0.29,
05/25 02Z,   0.00,   5.51,  99.90,   5.79,   0.29,
05/25 03Z,   0.00,   5.03,  99.90,   5.32,   0.29,
05/25 04Z,   0.00,   4.83,  99.90,   5.11,   0.29,  (min)
05/25 05Z,   0.00,   5.04,  99.90,   5.32,   0.29,
05/25 06Z,   0.00,   5.62,  99.90,   5.91,   0.29,
05/25 07Z,   0.00,   6.40,  99.90,   6.68,   0.29,
05/25 08Z,   0.00,   7.13,  99.90,   7.41,   0.29,
05/25 09Z,   0.00,   7.58,  99.90,   7.87,   0.29,  (max)
05/25 10Z,   0.00,   7.58,  99.90,   7.86,   0.29,
05/25 11Z,   0.00,   6.98,  99.90,   7.26,   0.29,
05/25 12Z,   0.10,   5.73,  99.90,   6.12,   0.29,
05/25 13Z,   0.10,   3.93,  99.90,   4.32,   0.29,
05/25 14Z,   0.00,   1.86,  99.90,   2.14,   0.29,
05/25 15Z,   0.00,  -0.08,  99.90,   0.21,   0.29,
05/25 16Z,   0.10,  -1.45,  99.90,  -1.07,   0.29,
05/25 17Z,   0.10,  -1.98,  99.90,  -1.59,   0.29,  (min)
05/25 18Z,   0.00,  -1.61,  99.90,  -1.32,   0.29,
05/25 19Z,   0.00,  -0.49,  99.90,  -0.20,   0.29,
05/25 20Z,   0.00,   1.10,  99.90,   1.39,   0.29,
05/25 21Z,   0.10,   2.87,  99.90,   3.26,   0.29,
05/25 22Z,   0.10,   4.58,  99.90,   4.97,   0.29,
05/25 23Z,   0.10,   5.99,  99.90,   6.38,   0.29,
05/26 00Z,   0.10,   6.92,  99.90,   7.31,   0.29,
05/26 01Z,   0.10,   7.27,  99.90,   7.66,   0.29,  (max)
05/26 02Z,   0.10,   7.10,  99.90,   7.48,   0.29,
05/26 03Z,   0.20,   6.61,  99.90,   7.10,   0.29,
05/26 04Z,   0.20,   6.12,  99.90,   6.61,   0.29,
05/26 05Z,   0.10,   5.90,  99.90,   6.29,   0.29,  (min)
05/26 06Z,   0.10,   6.06,  99.90,   6.45,   0.29,
05/26 07Z,   0.10,   6.54,  99.90,   6.92,   0.29,
05/26 08Z,   0.10,   7.14,  99.90,   7.52,   0.29,
05/26 09Z,   0.10,   7.63,  99.90,   8.02,   0.29,
05/26 10Z,   0.10,   7.81,  99.90,   8.20,   0.29,  (max)
05/26 11Z,   0.10,   7.49,  99.90,   7.88,   0.29,
05/26 12Z,   0.10,   6.54,  99.90,   6.93,   0.29,
05/26 13Z,   0.10,   4.95,  99.90,   5.33,   0.29,
05/26 14Z,   0.10,   2.85,  99.90,   3.23,   0.29,
05/26 15Z,   0.10,   0.59,  99.90,   0.97,   0.29,
05/26 16Z,   0.10,  -1.37,  99.90,  -0.99,   0.29,
05/26 17Z,   0.10,  -2.60,  99.90,  -2.22,   0.29,
05/26 18Z,   0.00,  -2.86,  99.90,  -2.58,   0.29,  (min)
05/26 19Z,   0.00,  -2.17,  99.90,  -1.88,   0.29,
05/26 20Z,   0.00,  -0.72,  99.90,  -0.43,   0.29,
05/26 21Z,   0.00,   1.18,  99.90,   1.47,   0.29,
05/26 22Z,   0.00,   3.23,  99.90,   3.52,   0.29,
05/26 23Z,   0.00,   5.17,  99.90,   5.45,   0.29,
05/27 00Z,   0.00,   6.74,  99.90,   7.03,   0.29,
05/27 01Z,   0.00,   7.76,  99.90,   8.04,   0.29,
05/27 02Z,   0.00,   8.13,  99.90,   8.41,   0.29,  (max)
05/27 03Z,   0.00,   7.93,  99.90,   8.22,   0.29,
05/27 04Z,   0.00,   7.43,  99.90,   7.71,   0.29,
05/27 05Z,   0.00,   6.93,  99.90,   7.22,   0.29,
05/27 06Z,   0.00,   6.70,  99.90,   6.99,   0.29,  (min)
05/27 07Z,   0.00,   6.82,  99.90,   7.10,   0.29,
05/27 08Z,   0.00,   7.18,  99.90,   7.47,   0.29,
05/27 09Z,   0.00,   7.62,  99.90,   7.90,   0.29,
05/27 10Z,   0.00,   7.91,  99.90,   8.19,   0.29,  (max)
05/27 11Z,   0.00,   7.85,  99.90,   8.13,   0.29,
05/27 12Z,   0.00,   7.27,  99.90,   7.56,   0.29,
05/27 13Z,   0.00,   6.06,  99.90,   6.34,   0.29,
05/27 14Z,  -0.10,   4.21,  99.90,   4.40,   0.29,
05/27 15Z,  -0.10,   1.94,  99.90,   2.12,   0.29,
05/27 16Z,  -0.10,  -0.37,  99.90,  -0.19,   0.29,
05/27 17Z,  -0.10,  -2.23,  99.90,  -2.04,   0.29,
05/27 18Z,  -0.10,  -3.24,  99.90,  -3.05,   0.29,
05/27 19Z,  99.90,  -3.22,  99.90,  99.90,   0.29,
05/27 20Z,  99.90,  -2.25,  99.90,  99.90,   0.29,
05/27 21Z,  99.90,  -0.57,  99.90,  99.90,   0.29,
05/27 22Z,  99.90,   1.52,  99.90,  99.90,   0.29,
05/27 23Z,  99.90,   3.71,  99.90,  99.90,   0.29,
05/28 00Z,  99.90,   5.74,  99.90,  99.90,   0.29,