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
#Seattle, WA : 06/20/2025 20:23:28 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
06/19 00Z,   0.40,  -9.45,  -9.08,  99.90,  -0.03,  (min)
06/19 01Z,   0.40,  -8.64,  -8.24,  99.90,  -0.00,
06/19 02Z,   0.40,  -6.97,  -6.68,  99.90,  -0.11,
06/19 03Z,   0.40,  -4.84,  -4.65,  99.90,  -0.21,
06/19 04Z,   0.40,  -2.66,  -2.45,  99.90,  -0.19,
06/19 05Z,   0.30,  -0.80,  -0.67,  99.90,  -0.17,
06/19 06Z,   0.30,   0.36,   0.35,  99.90,  -0.31,
06/19 07Z,   0.30,   0.55,   0.47,  99.90,  -0.38,  (max)
06/19 08Z,   0.30,  -0.21,  -0.25,  99.90,  -0.34,
06/19 09Z,   0.30,  -1.69,  -1.53,  99.90,  -0.14,
06/19 10Z,   0.30,  -3.63,  -3.47,  99.90,  -0.14,
06/19 11Z,   0.30,  -5.66,  -5.60,  99.90,  -0.24,
06/19 12Z,   0.20,  -7.34,  -7.32,  99.90,  -0.18,
06/19 13Z,   0.20,  -8.25,  -8.25,  99.90,  -0.20,
06/19 14Z,   0.20,  -8.27,  -8.26,  99.90,  -0.19,  (min)
06/19 15Z,   0.20,  -7.59,  -7.53,  99.90,  -0.14,
06/19 16Z,   0.20,  -6.49,  -6.48,  99.90,  -0.19,
06/19 17Z,   0.20,  -5.28,  -5.22,  99.90,  -0.14,
06/19 18Z,   0.20,  -4.30,  -4.18,  99.90,  -0.08,
06/19 19Z,   0.20,  -3.86,  -3.66,  99.90,  -0.00,  (max)
06/19 20Z,   0.20,  -4.05,  -3.79,  99.90,   0.06,
06/19 21Z,   0.20,  -4.76,  -4.37,  99.90,   0.19,
06/19 22Z,   0.20,  -5.76,  -5.27,  99.90,   0.29,
06/19 23Z,   0.30,  -6.81,  -6.32,  99.90,   0.19,
06/20 00Z,   0.30,  -7.58,  -7.09,  99.90,   0.19,
06/20 01Z,   0.30,  -7.69,  -7.17,  99.90,   0.22,  (min)
06/20 02Z,   0.30,  -6.95,  -6.45,  99.90,   0.20,
06/20 03Z,   0.30,  -5.49,  -5.07,  99.90,   0.12,
06/20 04Z,   0.30,  -3.63,  -3.23,  99.90,   0.10,
06/20 05Z,   0.40,  -1.75,  -1.32,  99.90,   0.03,
06/20 06Z,   0.40,  -0.22,   0.16,  99.90,  -0.02,
06/20 07Z,   0.40,   0.57,   0.88,  99.90,  -0.09,  (max)
06/20 08Z,   0.40,   0.37,   0.63,  99.90,  -0.14,
06/20 09Z,   0.40,  -0.79,  -0.42,  99.90,  -0.03,
06/20 10Z,   0.40,  -2.65,  -2.19,  99.90,   0.06,
06/20 11Z,   0.40,  -4.94,  -4.61,  99.90,  -0.07,
06/20 12Z,   0.40,  -7.26,  -7.06,  99.90,  -0.20,
06/20 13Z,   0.40,  -9.09,  -8.82,  99.90,  -0.13,
06/20 14Z,   0.40, -10.01,  -9.70,  99.90,  -0.09,  (min)
06/20 15Z,   0.40,  -9.90,  -9.49,  99.90,   0.01,
06/20 16Z,   0.40,  -8.94,  -8.52,  99.90,   0.02,
06/20 17Z,   0.40,  -7.44,  -7.10,  99.90,  -0.06,
06/20 18Z,   0.40,  -5.78,  -5.41,  99.90,  -0.03,
06/20 19Z,   0.50,  -4.35,  -3.93,  99.90,  -0.08,
06/20 20Z,   0.50,  -3.48,  -3.08,  99.90,  -0.10,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
06/20 21Z,   0.50,  -3.28,  99.90,  -2.87,  -0.09,  (max)
06/20 22Z,   0.50,  -3.61,  99.90,  -3.20,  -0.09,
06/20 23Z,   0.50,  -4.30,  99.90,  -3.89,  -0.08,
06/21 00Z,   0.50,  -5.16,  99.90,  -4.74,  -0.08,
06/21 01Z,   0.50,  -5.86,  99.90,  -5.43,  -0.08,
06/21 02Z,   0.50,  -6.02,  99.90,  -5.60,  -0.07,  (min)
06/21 03Z,   0.50,  -5.45,  99.90,  -5.02,  -0.07,
06/21 04Z,   0.50,  -4.23,  99.90,  -3.80,  -0.07,
06/21 05Z,   0.50,  -2.65,  99.90,  -2.22,  -0.06,
06/21 06Z,   0.50,  -1.05,  99.90,  -0.61,  -0.06,
06/21 07Z,   0.50,   0.17,  99.90,   0.62,  -0.06,
06/21 08Z,   0.50,   0.60,  99.90,   1.05,  -0.05,  (max)
06/21 09Z,   0.50,   0.02,  99.90,   0.47,  -0.05,
06/21 10Z,   0.50,  -1.51,  99.90,  -1.07,  -0.05,
06/21 11Z,   0.50,  -3.75,  99.90,  -3.31,  -0.05,
06/21 12Z,   0.50,  -6.38,  99.90,  -5.93,  -0.05,
06/21 13Z,   0.50,  -8.95,  99.90,  -8.50,  -0.05,
06/21 14Z,   0.50, -10.90,  99.90, -10.45,  -0.05,
06/21 15Z,   0.40, -11.75,  99.90, -11.40,  -0.05,  (min)
06/21 16Z,   0.40, -11.39,  99.90, -11.05,  -0.05,
06/21 17Z,   0.40, -10.05,  99.90,  -9.70,  -0.05,
06/21 18Z,   0.40,  -8.08,  99.90,  -7.73,  -0.05,
06/21 19Z,   0.40,  -5.92,  99.90,  -5.58,  -0.05,
06/21 20Z,   0.40,  -4.05,  99.90,  -3.70,  -0.05,
06/21 21Z,   0.40,  -2.79,  99.90,  -2.45,  -0.05,
06/21 22Z,   0.40,  -2.25,  99.90,  -1.90,  -0.05,  (max)
06/21 23Z,   0.40,  -2.30,  99.90,  -1.95,  -0.05,
06/22 00Z,   0.40,  -2.81,  99.90,  -2.46,  -0.05,
06/22 01Z,   0.40,  -3.61,  99.90,  -3.26,  -0.05,
06/22 02Z,   0.30,  -4.36,  99.90,  -4.11,  -0.05,
06/22 03Z,   0.30,  -4.67,  99.90,  -4.42,  -0.05,  (min)
06/22 04Z,   0.30,  -4.29,  99.90,  -4.05,  -0.05,
06/22 05Z,   0.30,  -3.31,  99.90,  -3.06,  -0.05,
06/22 06Z,   0.30,  -1.95,  99.90,  -1.71,  -0.05,
06/22 07Z,   0.30,  -0.58,  99.90,  -0.34,  -0.05,
06/22 08Z,   0.30,   0.37,  99.90,   0.62,  -0.05,
06/22 09Z,   0.30,   0.48,  99.90,   0.73,  -0.05,  (max)
06/22 10Z,   0.30,  -0.45,  99.90,  -0.21,  -0.05,
06/22 11Z,   0.30,  -2.34,  99.90,  -2.09,  -0.05,
06/22 12Z,   0.30,  -4.91,  99.90,  -4.67,  -0.05,
06/22 13Z,   0.20,  -7.84,  99.90,  -7.69,  -0.05,
06/22 14Z,   0.20, -10.60,  99.90, -10.45,  -0.05,
06/22 15Z,   0.20, -12.56,  99.90, -12.41,  -0.05,
06/22 16Z,   0.20, -13.24,  99.90, -13.09,  -0.05,  (min)
06/22 17Z,   0.20, -12.55,  99.90, -12.40,  -0.05,
06/22 18Z,   0.20, -10.75,  99.90, -10.61,  -0.05,
06/22 19Z,   0.20,  -8.30,  99.90,  -8.15,  -0.05,
06/22 20Z,   0.20,  -5.69,  99.90,  -5.55,  -0.05,
06/22 21Z,   0.20,  -3.45,  99.90,  -3.31,  -0.05,
06/22 22Z,   0.20,  -1.92,  99.90,  -1.77,  -0.05,
06/22 23Z,   0.20,  -1.16,  99.90,  -1.01,  -0.05,
06/23 00Z,   0.20,  -1.06,  99.90,  -0.91,  -0.05,  (max)
06/23 01Z,   0.20,  -1.54,  99.90,  -1.39,  -0.05,
06/23 02Z,   0.20,  -2.40,  99.90,  -2.25,  -0.05,
06/23 03Z,   0.20,  -3.29,  99.90,  -3.14,  -0.05,
06/23 04Z,   0.20,  -3.75,  99.90,  -3.61,  -0.05,  (min)
06/23 05Z,   0.20,  -3.55,  99.90,  -3.40,  -0.05,
06/23 06Z,   0.30,  -2.72,  99.90,  -2.47,  -0.05,
06/23 07Z,   0.30,  -1.53,  99.90,  -1.28,  -0.05,
06/23 08Z,   0.30,  -0.33,  99.90,  -0.08,  -0.05,
06/23 09Z,   0.30,   0.39,  99.90,   0.64,  -0.05,  (max)
06/23 10Z,   0.30,   0.23,  99.90,   0.47,  -0.05,
06/23 11Z,   0.30,  -1.01,  99.90,  -0.76,  -0.05,
06/23 12Z,   0.30,  -3.19,  99.90,  -2.94,  -0.05,
06/23 13Z,   0.20,  -6.04,  99.90,  -5.89,  -0.05,
06/23 14Z,   0.20,  -9.18,  99.90,  -9.03,  -0.05,
06/23 15Z,   0.20, -12.03,  99.90, -11.88,  -0.05,
06/23 16Z,   0.20, -13.89,  99.90, -13.74,  -0.05,
06/23 17Z,   0.20, -14.30,  99.90, -14.15,  -0.05,  (min)
06/23 18Z,   0.30, -13.21,  99.90, -12.96,  -0.05,
06/23 19Z,   0.30, -10.97,  99.90, -10.72,  -0.05,
06/23 20Z,   0.30,  -8.10,  99.90,  -7.85,  -0.05,
06/23 21Z,   0.30,  -5.16,  99.90,  -4.91,  -0.05,
06/23 22Z,   0.30,  -2.71,  99.90,  -2.46,  -0.05,
06/23 23Z,   0.30,  -1.04,  99.90,  -0.79,  -0.05,
06/24 00Z,   0.30,  -0.21,  99.90,   0.04,  -0.05,
06/24 01Z,   0.30,  -0.11,  99.90,   0.14,  -0.05,  (max)
06/24 02Z,   0.30,  -0.67,  99.90,  -0.42,  -0.05,
06/24 03Z,   0.30,  -1.68,  99.90,  -1.43,  -0.05,
06/24 04Z,   0.30,  -2.71,  99.90,  -2.46,  -0.05,
06/24 05Z,   0.30,  -3.30,  99.90,  -3.05,  -0.05,  (min)
06/24 06Z,   0.30,  -3.19,  99.90,  -2.94,  -0.05,
06/24 07Z,   0.30,  -2.45,  99.90,  -2.20,  -0.05,
06/24 08Z,   0.30,  -1.34,  99.90,  -1.09,  -0.05,
06/24 09Z,   0.30,  -0.27,  99.90,  -0.02,  -0.05,
06/24 10Z,   0.30,   0.27,  99.90,   0.52,  -0.05,  (max)
06/24 11Z,   0.30,  -0.13,  99.90,   0.12,  -0.05,
06/24 12Z,   0.30,  -1.60,  99.90,  -1.35,  -0.05,