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
#Skagway, AK : 05/20/2025 12:25:24 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/18 12Z,   1.50,  -2.38,  -3.10,  99.90,  -2.22,
05/18 13Z,   1.50,  -1.85,  -2.51,  99.90,  -2.16,  (max)
05/18 14Z,   1.50,  -2.64,  -3.46,  99.90,  -2.32,
05/18 15Z,   1.60,  -4.73,  -5.55,  99.90,  -2.42,
05/18 16Z,   1.60,  -7.67,  -8.32,  99.90,  -2.25,
05/18 17Z,   1.70, -10.84, -11.54,  99.90,  -2.40,
05/18 18Z,   1.40, -13.65, -14.33,  99.90,  -2.08,
05/18 19Z,   1.40, -15.48, -15.88,  99.90,  -1.80,
05/18 20Z,   1.50, -15.79, -16.04,  99.90,  -1.75,  (min)
05/18 21Z,   1.60, -14.50, -14.83,  99.90,  -1.93,
05/18 22Z,   1.60, -12.14, -12.69,  99.90,  -2.15,
05/18 23Z,   1.70,  -9.45, -10.13,  99.90,  -2.38,
05/19 00Z,   1.50,  -6.99,  -7.65,  99.90,  -2.16,
05/19 01Z,   1.50,  -5.12,  -5.66,  99.90,  -2.04,
05/19 02Z,   1.60,  -4.15,  -4.75,  99.90,  -2.20,  (max)
05/19 03Z,   1.70,  -4.25,  -4.80,  99.90,  -2.25,
05/19 04Z,   1.70,  -5.25,  -5.61,  99.90,  -2.06,
05/19 05Z,   1.70,  -6.79,  -7.14,  99.90,  -2.05,
05/19 06Z,   1.60,  -8.48,  -8.91,  99.90,  -2.03,
05/19 07Z,   1.60,  -9.91, -10.33,  99.90,  -2.02,
05/19 08Z,   1.60, -10.54, -10.99,  99.90,  -2.05,  (min)
05/19 09Z,   1.50, -10.00, -10.39,  99.90,  -1.89,
05/19 10Z,   1.50,  -8.43,  -8.91,  99.90,  -1.98,
05/19 11Z,   1.50,  -6.39,  -6.90,  99.90,  -2.01,
05/19 12Z,   1.40,  -4.49,  -4.84,  99.90,  -1.75,
05/19 13Z,   1.30,  -3.13,  -3.41,  99.90,  -1.58,
05/19 14Z,   1.30,  -2.70,  -3.06,  99.90,  -1.66,  (max)
05/19 15Z,   1.40,  -3.48,  -3.88,  99.90,  -1.80,
05/19 16Z,   1.40,  -5.42,  -5.71,  99.90,  -1.69,
05/19 17Z,   1.60,  -8.08,  -8.32,  99.90,  -1.84,
05/19 18Z,   1.90, -10.92, -11.18,  99.90,  -2.16,
05/19 19Z,   1.90, -13.41, -13.50,  99.90,  -1.99,
05/19 20Z,   2.00, -14.99, -14.94,  99.90,  -1.95,
05/19 21Z,   2.00, -15.16, -14.96,  99.90,  -1.80,  (min)
05/19 22Z,   1.90, -13.89, -13.81,  99.90,  -1.82,
05/19 23Z,   1.80, -11.67, -11.85,  99.90,  -1.98,
05/20 00Z,   1.90,  -9.16,  -9.47,  99.90,  -2.21,
05/20 01Z,   1.60,  -6.81,  -7.18,  99.90,  -1.97,
05/20 02Z,   1.50,  -4.97,  -5.46,  99.90,  -1.99,
05/20 03Z,   1.50,  -4.00,  -4.53,  99.90,  -2.03,
05/20 04Z,   1.60,  -4.06,  -4.52,  99.90,  -2.06,  (max)
05/20 05Z,   1.80,  -5.03,  -5.38,  99.90,  -2.15,
05/20 06Z,   2.00,  -6.56,  -6.80,  99.90,  -2.24,
05/20 07Z,   2.20,  -8.34,  -8.62,  99.90,  -2.48,
05/20 08Z,   2.40,  -9.93, -10.26,  99.90,  -2.73,
05/20 09Z,   2.40, -10.77, -10.98,  99.90,  -2.61,  (min)
05/20 10Z,   2.40, -10.46, -10.73,  99.90,  -2.67,
05/20 11Z,   2.40,  -9.13,  -9.61,  99.90,  -2.88,
05/20 12Z,   2.20,  -7.28,  -7.83,  99.90,  -2.75,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/20 13Z,   2.10,  -5.43,  99.90,  -6.04,  -2.71,
05/20 14Z,   2.00,  -3.99,  99.90,  -4.65,  -2.67,
05/20 15Z,   1.80,  -3.38,  99.90,  -4.20,  -2.63,  (max)
05/20 16Z,   1.60,  -3.92,  99.90,  -4.91,  -2.59,
05/20 17Z,   1.60,  -5.58,  99.90,  -6.53,  -2.55,
05/20 18Z,   1.60,  -7.96,  99.90,  -8.87,  -2.51,
05/20 19Z,   1.60, -10.59,  99.90, -11.45,  -2.47,
05/20 20Z,   1.60, -12.96,  99.90, -13.79,  -2.43,
05/20 21Z,   1.60, -14.51,  99.90, -15.30,  -2.39,
05/20 22Z,   1.60, -14.73,  99.90, -15.48,  -2.35,  (min)
05/20 23Z,   1.70, -13.55,  99.90, -14.16,  -2.31,
05/21 00Z,   1.80, -11.42,  99.90, -11.88,  -2.27,
05/21 01Z,   1.90,  -8.89,  99.90,  -9.26,  -2.27,
05/21 02Z,   1.90,  -6.42,  99.90,  -6.79,  -2.27,
05/21 03Z,   1.90,  -4.42,  99.90,  -4.78,  -2.27,
05/21 04Z,   2.00,  -3.32,  99.90,  -3.59,  -2.27,  (max)
05/21 05Z,   2.00,  -3.36,  99.90,  -3.63,  -2.27,
05/21 06Z,   1.90,  -4.42,  99.90,  -4.78,  -2.27,
05/21 07Z,   1.80,  -6.19,  99.90,  -6.66,  -2.27,
05/21 08Z,   1.70,  -8.35,  99.90,  -8.92,  -2.27,
05/21 09Z,   1.50, -10.38,  99.90, -11.15,  -2.27,
05/21 10Z,   1.40, -11.63,  99.90, -12.49,  -2.27,
05/21 11Z,   1.30, -11.63,  99.90, -12.59,  -2.27,  (min)
05/21 12Z,   1.20, -10.47,  99.90, -11.53,  -2.27,
05/21 13Z,   1.30,  -8.60,  99.90,  -9.56,  -2.27,
05/21 14Z,   1.40,  -6.51,  99.90,  -7.38,  -2.27,
05/21 15Z,   1.50,  -4.69,  99.90,  -5.46,  -2.27,
05/21 16Z,   1.70,  -3.68,  99.90,  -4.24,  -2.27,  (max)
05/21 17Z,   1.80,  -3.87,  99.90,  -4.33,  -2.27,
05/21 18Z,   1.80,  -5.24,  99.90,  -5.71,  -2.27,
05/21 19Z,   1.70,  -7.44,  99.90,  -8.01,  -2.27,
05/21 20Z,   1.60, -10.02,  99.90, -10.69,  -2.27,
05/21 21Z,   1.50, -12.49,  99.90, -13.25,  -2.27,
05/21 22Z,   1.30, -14.18,  99.90, -15.14,  -2.27,
05/21 23Z,   1.20, -14.51,  99.90, -15.57,  -2.27,  (min)
05/22 00Z,   1.20, -13.38,  99.90, -14.45,  -2.27,
05/22 01Z,   1.30, -11.18,  99.90, -12.14,  -2.27,
05/22 02Z,   1.40,  -8.43,  99.90,  -9.30,  -2.27,
05/22 03Z,   1.50,  -5.64,  99.90,  -6.41,  -2.27,
05/22 04Z,   1.60,  -3.37,  99.90,  -4.03,  -2.27,
05/22 05Z,   1.70,  -2.16,  99.90,  -2.73,  -2.27,  (max)
05/22 06Z,   1.70,  -2.31,  99.90,  -2.87,  -2.27,
05/22 07Z,   1.70,  -3.67,  99.90,  -4.24,  -2.27,
05/22 08Z,   1.70,  -5.96,  99.90,  -6.52,  -2.27,
05/22 09Z,   1.60,  -8.75,  99.90,  -9.41,  -2.27,
05/22 10Z,   1.50, -11.41,  99.90, -12.17,  -2.27,
05/22 11Z,   1.40, -13.13,  99.90, -13.99,  -2.27,
05/22 12Z,   1.30, -13.38,  99.90, -14.34,  -2.27,  (min)
05/22 13Z,   1.30, -12.20,  99.90, -13.16,  -2.27,
05/22 14Z,   1.20, -10.03,  99.90, -11.10,  -2.27,
05/22 15Z,   1.30,  -7.44,  99.90,  -8.40,  -2.27,
05/22 16Z,   1.40,  -5.04,  99.90,  -5.91,  -2.27,
05/22 17Z,   1.60,  -3.53,  99.90,  -4.20,  -2.27,
05/22 18Z,   1.70,  -3.37,  99.90,  -3.93,  -2.27,  (max)
05/22 19Z,   1.70,  -4.54,  99.90,  -5.11,  -2.27,
05/22 20Z,   1.70,  -6.71,  99.90,  -7.28,  -2.27,
05/22 21Z,   1.50,  -9.43,  99.90, -10.19,  -2.27,
05/22 22Z,   1.40, -12.12,  99.90, -12.98,  -2.27,
05/22 23Z,   1.30, -14.01,  99.90, -14.98,  -2.27,
05/23 00Z,   1.20, -14.44,  99.90, -15.51,  -2.27,  (min)
05/23 01Z,   1.30, -13.25,  99.90, -14.21,  -2.27,
05/23 02Z,   1.50, -10.79,  99.90, -11.55,  -2.27,
05/23 03Z,   1.70,  -7.64,  99.90,  -8.20,  -2.27,
05/23 04Z,   1.90,  -4.43,  99.90,  -4.80,  -2.27,
05/23 05Z,   2.00,  -1.90,  99.90,  -2.16,  -2.27,
05/23 06Z,   2.20,  -0.72,  99.90,  -0.78,  -2.27,  (max)
05/23 07Z,   2.20,  -1.16,  99.90,  -1.22,  -2.27,
05/23 08Z,   2.10,  -3.06,  99.90,  -3.23,  -2.27,
05/23 09Z,   2.00,  -6.06,  99.90,  -6.33,  -2.27,
05/23 10Z,   1.60,  -9.64,  99.90, -10.30,  -2.27,
05/23 11Z,   1.30, -12.96,  99.90, -13.93,  -2.27,
05/23 12Z,   1.10, -15.09,  99.90, -16.26,  -2.27,
05/23 13Z,   1.00, -15.41,  99.90, -16.68,  -2.27,  (min)
05/23 14Z,   1.00, -13.97,  99.90, -15.23,  -2.27,
05/23 15Z,   1.10, -11.27,  99.90, -12.43,  -2.27,
05/23 16Z,   1.30,  -7.99,  99.90,  -8.95,  -2.27,
05/23 17Z,   1.50,  -4.95,  99.90,  -5.72,  -2.27,
05/23 18Z,   1.80,  -2.98,  99.90,  -3.45,  -2.27,
05/23 19Z,   1.90,  -2.58,  99.90,  -2.94,  -2.27,  (max)
05/23 20Z,   2.00,  -3.70,  99.90,  -3.96,  -2.27,
05/23 21Z,   2.00,  -5.98,  99.90,  -6.25,  -2.27,
05/23 22Z,   2.00,  -8.95,  99.90,  -9.22,  -2.27,
05/23 23Z,   1.80, -11.93,  99.90, -12.40,  -2.27,
05/24 00Z,   1.60, -14.02,  99.90, -14.68,  -2.27,