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 : 08/11/2026 22:23:42 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/10 06Z,   1.30,  -0.53,  -1.89,  99.90,  -2.66,
08/10 07Z,   1.30,   0.52,  -0.61,  99.90,  -2.43,  (max)
08/10 08Z,   1.30,  -0.08,  -1.12,  99.90,  -2.34,
08/10 09Z,   1.40,  -2.21,  -3.28,  99.90,  -2.47,
08/10 10Z,   1.40,  -5.60,  -6.78,  99.90,  -2.58,
08/10 11Z,   1.40,  -9.78, -11.02,  99.90,  -2.64,
08/10 12Z,   1.20, -13.87, -15.24,  99.90,  -2.57,
08/10 13Z,   1.20, -16.79, -18.32,  99.90,  -2.73,
08/10 14Z,   1.20, -17.81, -19.21,  99.90,  -2.60,  (min)
08/10 15Z,   1.30, -16.85, -18.27,  99.90,  -2.72,
08/10 16Z,   1.30, -14.27, -15.54,  99.90,  -2.57,
08/10 17Z,   1.30, -10.71, -11.98,  99.90,  -2.57,
08/10 18Z,   1.30,  -7.01,  -8.22,  99.90,  -2.51,
08/10 19Z,   1.30,  -4.03,  -5.18,  99.90,  -2.45,
08/10 20Z,   1.40,  -2.35,  99.90,  99.90,  99.90,
08/10 21Z,   1.40,  -2.13,  -3.57,  99.90,  -2.84,
08/10 22Z,   1.50,  -3.30,  99.90,  99.90,  99.90,  (max)
08/10 23Z,   1.50,  -5.68,  -6.74,  99.90,  -2.56,
08/11 00Z,   1.40,  -8.69,  -9.61,  99.90,  -2.32,
08/11 01Z,   1.40, -11.32, -12.08,  99.90,  -2.16,
08/11 02Z,   1.50, -12.56, -13.54,  99.90,  -2.48,  (min)
08/11 03Z,   1.50, -11.96, -12.97,  99.90,  -2.51,
08/11 04Z,   1.50,  -9.68, -10.67,  99.90,  -2.49,
08/11 05Z,   1.60,  -6.28,  -7.55,  99.90,  -2.87,
08/11 06Z,   1.50,  -2.62,  -3.97,  99.90,  -2.85,
08/11 07Z,   1.50,   0.27,  -0.92,  99.90,  -2.69,
08/11 08Z,   1.50,   1.55,   0.63,  99.90,  -2.42,  (max)
08/11 09Z,   1.50,   0.91,  -0.01,  99.90,  -2.42,
08/11 10Z,   1.40,  -1.55,  -2.52,  99.90,  -2.37,
08/11 11Z,   1.40,  -5.53,  -6.66,  99.90,  -2.53,
08/11 12Z,   1.30, -10.39, -11.72,  99.90,  -2.63,
08/11 13Z,   1.20, -15.04, -16.43,  99.90,  -2.59,
08/11 14Z,   1.20, -18.21, -19.82,  99.90,  -2.81,
08/11 15Z,   1.20, -19.08, -20.68,  99.90,  -2.80,  (min)
08/11 16Z,   1.30, -17.61, -18.94,  99.90,  -2.63,
08/11 17Z,   1.30, -14.31, -15.70,  99.90,  -2.69,
08/11 18Z,   1.30,  -9.99, -11.46,  99.90,  -2.77,
08/11 19Z,   1.30,  -5.71,  -7.04,  99.90,  -2.63,
08/11 20Z,   1.40,  -2.45,  -3.72,  99.90,  -2.67,
08/11 21Z,   1.40,  -0.82,  -2.27,  99.90,  -2.85,  (max)
08/11 22Z,   1.40,  -0.97,  -2.44,  99.90,  -2.87,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/11 23Z,   1.50,  -2.81,  99.90,  -4.16,  -2.85,
08/12 00Z,   1.50,  -6.04,  99.90,  -7.36,  -2.82,
08/12 01Z,   1.50,  -9.83,  99.90, -11.13,  -2.80,
08/12 02Z,   1.50, -12.92,  99.90, -14.20,  -2.78,
08/12 03Z,   1.50, -14.19,  99.90, -15.44,  -2.75,  (min)
08/12 04Z,   1.50, -13.22,  99.90, -14.45,  -2.73,
08/12 05Z,   1.40, -10.30,  99.90, -11.60,  -2.71,
08/12 06Z,   1.40,  -6.20,  99.90,  -7.48,  -2.68,
08/12 07Z,   1.30,  -1.99,  99.90,  -3.35,  -2.66,
08/12 08Z,   1.20,   1.16,  99.90,  -0.28,  -2.64,
08/12 09Z,   1.20,   2.40,  99.90,   0.99,  -2.61,  (max)
08/12 10Z,   1.10,   1.46,  99.90,  -0.03,  -2.59,
08/12 11Z,   1.10,  -1.52,  99.90,  -3.01,  -2.59,
08/12 12Z,   1.00,  -6.14,  99.90,  -7.73,  -2.59,
08/12 13Z,   1.00, -11.56,  99.90, -13.15,  -2.59,
08/12 14Z,   1.00, -16.46,  99.90, -18.05,  -2.59,
08/12 15Z,   1.10, -19.45,  99.90, -20.94,  -2.59,
08/12 16Z,   1.10, -19.77,  99.90, -21.26,  -2.59,  (min)
08/12 17Z,   1.10, -17.52,  99.90, -19.01,  -2.59,
08/12 18Z,   1.20, -13.42,  99.90, -14.81,  -2.59,
08/12 19Z,   1.20,  -8.49,  99.90,  -9.88,  -2.59,
08/12 20Z,   1.10,  -3.92,  99.90,  -5.41,  -2.59,
08/12 21Z,   1.10,  -0.75,  99.90,  -2.23,  -2.59,
08/12 22Z,   1.00,   0.47,  99.90,  -1.12,  -2.59,  (max)
08/12 23Z,   1.00,  -0.35,  99.90,  -1.94,  -2.59,
08/13 00Z,   1.00,  -3.05,  99.90,  -4.64,  -2.59,
08/13 01Z,   1.00,  -7.11,  99.90,  -8.70,  -2.59,
08/13 02Z,   1.10, -11.46,  99.90, -12.95,  -2.59,
08/13 03Z,   1.10, -14.65,  99.90, -16.14,  -2.59,
08/13 04Z,   1.20, -15.57,  99.90, -16.96,  -2.59,  (min)
08/13 05Z,   1.20, -13.96,  99.90, -15.35,  -2.59,
08/13 06Z,   1.10, -10.34,  99.90, -11.83,  -2.59,
08/13 07Z,   1.10,  -5.69,  99.90,  -7.17,  -2.59,
08/13 08Z,   1.00,  -1.22,  99.90,  -2.80,  -2.59,
08/13 09Z,   0.90,   1.86,  99.90,   0.17,  -2.59,
08/13 10Z,   0.80,   2.77,  99.90,   0.98,  -2.59,  (max)
08/13 11Z,   0.80,   1.31,  99.90,  -0.47,  -2.59,
08/13 12Z,   0.80,  -2.25,  99.90,  -4.04,  -2.59,
08/13 13Z,   0.90,  -7.39,  99.90,  -9.08,  -2.59,
08/13 14Z,   1.00, -13.06,  99.90, -14.65,  -2.59,
08/13 15Z,   1.00, -17.76,  99.90, -19.35,  -2.59,
08/13 16Z,   1.10, -20.11,  99.90, -21.60,  -2.59,  (min)
08/13 17Z,   1.10, -19.56,  99.90, -21.05,  -2.59,
08/13 18Z,   1.10, -16.44,  99.90, -17.93,  -2.59,
08/13 19Z,   1.10, -11.68,  99.90, -13.17,  -2.59,
08/13 20Z,   1.10,  -6.44,  99.90,  -7.93,  -2.59,
08/13 21Z,   1.00,  -1.97,  99.90,  -3.56,  -2.59,
08/13 22Z,   1.00,   0.73,  99.90,  -0.86,  -2.59,
08/13 23Z,   1.00,   1.22,  99.90,  -0.37,  -2.59,  (max)
08/14 00Z,   1.00,  -0.47,  99.90,  -2.06,  -2.59,
08/14 01Z,   1.10,  -4.02,  99.90,  -5.51,  -2.59,
08/14 02Z,   1.20,  -8.70,  99.90, -10.09,  -2.59,
08/14 03Z,   1.30, -13.23,  99.90, -14.52,  -2.59,
08/14 04Z,   1.50, -16.09,  99.90, -17.18,  -2.59,
08/14 05Z,   1.60, -16.36,  99.90, -17.35,  -2.59,  (min)
08/14 06Z,   1.70, -14.02,  99.90, -14.91,  -2.59,
08/14 07Z,   1.70,  -9.84,  99.90, -10.73,  -2.59,
08/14 08Z,   1.60,  -4.92,  99.90,  -5.91,  -2.59,
08/14 09Z,   1.50,  -0.56,  99.90,  -1.65,  -2.59,
08/14 10Z,   1.30,   2.11,  99.90,   0.83,  -2.59,
08/14 11Z,   1.10,   2.45,  99.90,   0.96,  -2.59,  (max)
08/14 12Z,   1.00,   0.40,  99.90,  -1.19,  -2.59,
08/14 13Z,   1.00,  -3.66,  99.90,  -5.25,  -2.59,
08/14 14Z,   1.10,  -9.03,  99.90, -10.51,  -2.59,
08/14 15Z,   1.20, -14.49,  99.90, -15.88,  -2.59,
08/14 16Z,   1.40, -18.51,  99.90, -19.70,  -2.59,
08/14 17Z,   1.50, -19.88,  99.90, -20.97,  -2.59,  (min)
08/14 18Z,   1.70, -18.33,  99.90, -19.22,  -2.59,
08/14 19Z,   1.70, -14.47,  99.90, -15.36,  -2.59,
08/14 20Z,   1.70,  -9.35,  99.90, -10.24,  -2.59,
08/14 21Z,   1.70,  -4.22,  99.90,  -5.11,  -2.59,
08/14 22Z,   1.60,  -0.27,  99.90,  -1.26,  -2.59,
08/14 23Z,   1.60,   1.62,  99.90,   0.63,  -2.59,  (max)
08/15 00Z,   1.50,   1.20,  99.90,   0.11,  -2.59,
08/15 01Z,   1.50,  -1.37,  99.90,  -2.46,  -2.59,
08/15 02Z,   1.50,  -5.58,  99.90,  -6.67,  -2.59,
08/15 03Z,   1.50, -10.51,  99.90, -11.60,  -2.59,
08/15 04Z,   1.60, -14.76,  99.90, -15.75,  -2.59,
08/15 05Z,   1.70, -16.94,  99.90, -17.83,  -2.59,  (min)
08/15 06Z,   1.80, -16.39,  99.90, -17.18,  -2.59,
08/15 07Z,   1.80, -13.42,  99.90, -14.21,  -2.59,
08/15 08Z,   1.90,  -8.96,  99.90,  -9.65,  -2.59,
08/15 09Z,   1.80,  -4.16,  99.90,  -4.95,  -2.59,
08/15 10Z,   1.70,  -0.26,  99.90,  -1.15,  -2.59,
08/15 11Z,   1.60,   1.74,  99.90,   0.75,  -2.59,  (max)
08/15 12Z,   1.50,   1.39,  99.90,   0.30,  -2.59,
08/15 13Z,  99.90,  -1.18,  99.90,  99.90,  -2.59,
08/15 14Z,  99.90,  -5.48,  99.90,  99.90,  -2.59,
08/15 15Z,  99.90, -10.65,  99.90,  99.90,  -2.59,
08/15 16Z,  99.90, -15.44,  99.90,  99.90,  -2.59,
08/15 17Z,  99.90, -18.41,  99.90,  99.90,  -2.59,
08/15 18Z,  99.90, -18.64,  99.90,  99.90,  -2.59,