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
#Seldovia, AK : 05/15/2025 12:22:53 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/13 12Z,  -0.40,  -0.40,  -0.62,  99.90,   0.18,  (max)
05/13 13Z,  -0.40,  -3.07,  -3.48,  99.90,  -0.01,
05/13 14Z,  -0.40,  -7.18,  -7.51,  99.90,   0.07,
05/13 15Z,  -0.30, -11.93, -12.09,  99.90,   0.14,
05/13 16Z,  -0.30, -16.33, -16.44,  99.90,   0.19,
05/13 17Z,  -0.20, -19.27, -19.27,  99.90,   0.20,
05/13 18Z,  -0.50, -19.89, -19.80,  99.90,   0.59,  (min)
05/13 19Z,  -0.40, -18.14, -18.18,  99.90,   0.36,
05/13 20Z,  -0.40, -14.68, -14.98,  99.90,   0.10,
05/13 21Z,  -0.20, -10.38, -10.72,  99.90,  -0.14,
05/13 22Z,  -0.10,  -6.12,  -6.41,  99.90,  -0.19,
05/13 23Z,  -0.10,  -2.90,  -3.29,  99.90,  -0.29,
05/14 00Z,  -0.40,  -1.43,  -1.91,  99.90,  -0.08,  (max)
05/14 01Z,  -0.40,  -1.94,  -2.36,  99.90,  -0.02,
05/14 02Z,  -0.40,  -4.22,  -4.59,  99.90,   0.03,
05/14 03Z,  -0.30,  -7.62,  -8.02,  99.90,  -0.10,
05/14 04Z,  -0.30, -11.17, -11.42,  99.90,   0.05,
05/14 05Z,  -0.20, -13.77, -14.11,  99.90,  -0.14,
05/14 06Z,  -0.50, -14.42, -14.81,  99.90,   0.11,  (min)
05/14 07Z,  -0.50, -12.84, -13.01,  99.90,   0.33,
05/14 08Z,  -0.40,  -9.66,  -9.76,  99.90,   0.30,
05/14 09Z,  -0.30,  -5.88,  -6.21,  99.90,  -0.03,
05/14 10Z,  -0.20,  -2.43,  -2.91,  99.90,  -0.28,
05/14 11Z,  -0.30,  -0.20,  -0.55,  99.90,  -0.05,
05/14 12Z,  -0.40,   0.15,  -0.04,  99.90,   0.21,  (max)
05/14 13Z,  -0.40,  -1.54,  -1.76,  99.90,   0.18,
05/14 14Z,  -0.40,  -4.97,  -5.15,  99.90,   0.22,
05/14 15Z,  -0.40,  -9.45,  -9.36,  99.90,   0.49,
05/14 16Z,  -0.40, -14.07, -13.81,  99.90,   0.66,
05/14 17Z,  -0.40, -17.83, -17.54,  99.90,   0.69,
05/14 18Z,  -0.40, -19.74, -19.34,  99.90,   0.80,  (min)
05/14 19Z,  -0.30, -19.25, -18.81,  99.90,   0.74,
05/14 20Z,  -0.20, -16.68, -16.45,  99.90,   0.43,
05/14 21Z,  -0.10, -12.88, -12.81,  99.90,   0.17,
05/14 22Z,  -0.10,  -8.67,  -8.65,  99.90,   0.12,
05/14 23Z,   0.00,  -4.90,  -4.78,  99.90,   0.12,
05/15 00Z,   0.00,  -2.41,  -2.28,  99.90,   0.13,
05/15 01Z,   0.00,  -1.73,  -1.48,  99.90,   0.25,  (max)
05/15 02Z,   0.00,  -2.92,  -2.52,  99.90,   0.40,
05/15 03Z,   0.00,  -5.60,  -5.13,  99.90,   0.47,
05/15 04Z,   0.00,  -8.98,  -8.45,  99.90,   0.53,
05/15 05Z,   0.10, -12.05, -11.66,  99.90,   0.29,
05/15 06Z,   0.10, -13.81, -13.49,  99.90,   0.22,  (min)
05/15 07Z,   0.10, -13.52, -13.09,  99.90,   0.33,
05/15 08Z,   0.10, -11.23, -10.66,  99.90,   0.47,
05/15 09Z,   0.20,  -7.83,  -7.34,  99.90,   0.29,
05/15 10Z,   0.20,  -4.31,  -4.03,  99.90,   0.08,
05/15 11Z,   0.10,  -1.50,  -1.30,  99.90,   0.10,
05/15 12Z,   0.10,  -0.14,   0.15,  99.90,   0.19,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/15 13Z,   0.10,  -0.70,  99.90,  -0.42,   0.18,
05/15 14Z,   0.20,  -3.15,  99.90,  -2.78,   0.17,
05/15 15Z,   0.20,  -7.02,  99.90,  -6.65,   0.16,
05/15 16Z,   0.30, -11.49,  99.90, -11.04,   0.15,
05/15 17Z,   0.40, -15.63,  99.90, -15.09,   0.14,
05/15 18Z,   0.40, -18.52,  99.90, -17.98,   0.13,
05/15 19Z,   0.30, -19.39,  99.90, -18.97,   0.12,  (min)
05/15 20Z,   0.20, -18.03,  99.90, -17.72,   0.11,
05/15 21Z,   0.20, -15.01,  99.90, -14.71,   0.10,
05/15 22Z,   0.20, -11.23,  99.90, -10.93,   0.09,
05/15 23Z,   0.30,  -7.41,  99.90,  -7.03,   0.08,
05/16 00Z,   0.40,  -4.29,  99.90,  -3.82,   0.07,
05/16 01Z,   0.40,  -2.54,  99.90,  -2.07,   0.07,
05/16 02Z,   0.50,  -2.52,  99.90,  -1.95,   0.07,  (max)
05/16 03Z,   0.50,  -4.17,  99.90,  -3.60,   0.07,
05/16 04Z,   0.40,  -6.94,  99.90,  -6.47,   0.07,
05/16 05Z,   0.40,  -9.99,  99.90,  -9.52,   0.07,
05/16 06Z,   0.40, -12.39,  99.90, -11.92,   0.07,
05/16 07Z,   0.40, -13.30,  99.90, -12.83,   0.07,  (min)
05/16 08Z,   0.40, -12.26,  99.90, -11.79,   0.07,
05/16 09Z,   0.40,  -9.62,  99.90,  -9.15,   0.07,
05/16 10Z,   0.40,  -6.36,  99.90,  -5.89,   0.07,
05/16 11Z,   0.40,  -3.35,  99.90,  -2.88,   0.07,
05/16 12Z,   0.40,  -1.28,  99.90,  -0.81,   0.07,
05/16 13Z,   0.30,  -0.74,  99.90,  -0.37,   0.07,  (max)
05/16 14Z,   0.20,  -2.02,  99.90,  -1.75,   0.07,
05/16 15Z,   0.10,  -4.93,  99.90,  -4.76,   0.07,
05/16 16Z,   0.00,  -8.88,  99.90,  -8.81,   0.07,
05/16 17Z,   0.10, -13.02,  99.90, -12.85,   0.07,
05/16 18Z,   0.10, -16.46,  99.90, -16.29,   0.07,
05/16 19Z,   0.20, -18.46,  99.90, -18.18,   0.07,  (min)
05/16 20Z,   0.30, -18.48,  99.90, -18.11,   0.07,
05/16 21Z,   0.30, -16.59,  99.90, -16.22,   0.07,
05/16 22Z,   0.30, -13.48,  99.90, -13.11,   0.07,
05/16 23Z,   0.30,  -9.99,  99.90,  -9.62,   0.07,
05/17 00Z,   0.30,  -6.70,  99.90,  -6.33,   0.07,
05/17 01Z,   0.20,  -4.22,  99.90,  -3.95,   0.07,
05/17 02Z,   0.10,  -3.09,  99.90,  -2.92,   0.07,  (max)
05/17 03Z,   0.10,  -3.53,  99.90,  -3.36,   0.07,
05/17 04Z,   0.00,  -5.35,  99.90,  -5.28,   0.07,
05/17 05Z,   0.00,  -7.94,  99.90,  -7.87,   0.07,
05/17 06Z,   0.00, -10.49,  99.90, -10.42,   0.07,
05/17 07Z,   0.00, -12.21,  99.90, -12.14,   0.07,
05/17 08Z,   0.10, -12.46,  99.90, -12.29,   0.07,  (min)
05/17 09Z,   0.20, -11.00,  99.90, -10.73,   0.07,
05/17 10Z,   0.20,  -8.37,  99.90,  -8.10,   0.07,
05/17 11Z,   0.20,  -5.49,  99.90,  -5.22,   0.07,
05/17 12Z,   0.10,  -3.09,  99.90,  -2.92,   0.07,
05/17 13Z,   0.00,  -1.70,  99.90,  -1.63,   0.07,  (max)
05/17 14Z,   0.00,  -1.78,  99.90,  -1.71,   0.07,
05/17 15Z,   0.00,  -3.49,  99.90,  -3.42,   0.07,
05/17 16Z,  -0.20,  -6.53,  99.90,  -6.66,   0.07,
05/17 17Z,  -0.20, -10.26,  99.90, -10.39,   0.07,
05/17 18Z,  -0.10, -13.86,  99.90, -13.89,   0.07,
05/17 19Z,  -0.10, -16.59,  99.90, -16.62,   0.07,
05/17 20Z,   0.00, -17.87,  99.90, -17.80,   0.07,  (min)
05/17 21Z,   0.00, -17.36,  99.90, -17.29,   0.07,
05/17 22Z,  -0.10, -15.27,  99.90, -15.30,   0.07,
05/17 23Z,  -0.10, -12.33,  99.90, -12.36,   0.07,
05/18 00Z,  -0.20,  -9.24,  99.90,  -9.37,   0.07,
05/18 01Z,  -0.20,  -6.45,  99.90,  -6.58,   0.07,
05/18 02Z,  -0.20,  -4.47,  99.90,  -4.60,   0.07,
05/18 03Z,  -0.20,  -3.75,  99.90,  -3.88,   0.07,  (max)
05/18 04Z,  -0.30,  -4.41,  99.90,  -4.63,   0.07,
05/18 05Z,  -0.30,  -6.17,  99.90,  -6.40,   0.07,
05/18 06Z,  -0.30,  -8.44,  99.90,  -8.67,   0.07,
05/18 07Z,  -0.20, -10.52,  99.90, -10.65,   0.07,
05/18 08Z,  -0.20, -11.75,  99.90, -11.88,   0.07,  (min)
05/18 09Z,  -0.10, -11.65,  99.90, -11.68,   0.07,
05/18 10Z,  -0.10, -10.13,  99.90, -10.16,   0.07,
05/18 11Z,  -0.10,  -7.76,  99.90,  -7.79,   0.07,
05/18 12Z,  -0.20,  -5.36,  99.90,  -5.49,   0.07,
05/18 13Z,  -0.30,  -3.48,  99.90,  -3.71,   0.07,
05/18 14Z,  -0.40,  -2.56,  99.90,  -2.89,   0.07,  (max)
05/18 15Z,  -0.40,  -2.97,  99.90,  -3.30,   0.07,
05/18 16Z,  -0.40,  -4.78,  99.90,  -5.11,   0.07,
05/18 17Z,  -0.40,  -7.66,  99.90,  -7.99,   0.07,
05/18 18Z,  -0.40, -10.99,  99.90, -11.32,   0.07,
05/18 19Z,  -0.40, -14.05,  99.90, -14.37,   0.07,
05/18 20Z,  -0.30, -16.22,  99.90, -16.45,   0.07,
05/18 21Z,  -0.30, -17.06,  99.90, -17.29,   0.07,  (min)
05/18 22Z,  -0.30, -16.32,  99.90, -16.55,   0.07,
05/18 23Z,  -0.30, -14.28,  99.90, -14.51,   0.07,
05/19 00Z,  -0.30, -11.62,  99.90, -11.85,   0.07,