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
#Yakutat, AK : 10/17/2026 00:22:49 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/15 06Z,  -0.20, -12.74, -13.26,  99.90,  -0.32,
10/15 07Z,  -0.10, -12.52, -13.11,  99.90,  -0.49,  (min)
10/15 08Z,  -0.10, -11.41, -11.85,  99.90,  -0.34,
10/15 09Z,   0.00,  -9.69, -10.20,  99.90,  -0.51,
10/15 10Z,   0.20,  -7.81,  -8.21,  99.90,  -0.60,
10/15 11Z,   0.40,  -6.21,  -6.32,  99.90,  -0.51,
10/15 12Z,   0.40,  -5.23,  -5.31,  99.90,  -0.48,
10/15 13Z,   0.40,  -5.02,  -4.97,  99.90,  -0.35,  (max)
10/15 14Z,   0.60,  -5.55,  -5.28,  99.90,  -0.33,
10/15 15Z,   0.70,  -6.56,  -6.24,  99.90,  -0.38,
10/15 16Z,   0.70,  -7.68,  -7.20,  99.90,  -0.22,
10/15 17Z,   0.80,  -8.55,  -8.05,  99.90,  -0.30,
10/15 18Z,   0.80,  -8.84,  -8.40,  99.90,  -0.36,  (min)
10/15 19Z,   0.70,  -8.44,  -7.96,  99.90,  -0.22,
10/15 20Z,   0.70,  -7.41,  -6.99,  99.90,  -0.28,
10/15 21Z,   0.60,  -5.99,  -5.51,  99.90,  -0.12,
10/15 22Z,   0.60,  -4.57,  -4.42,  99.90,  -0.45,
10/15 23Z,   0.70,  -3.52,  -3.43,  99.90,  -0.61,
10/16 00Z,   0.50,  -3.15,  -3.13,  99.90,  -0.48,  (max)
10/16 01Z,   0.50,  -3.62,  -3.76,  99.90,  -0.64,
10/16 02Z,   0.40,  -4.87,  -4.98,  99.90,  -0.51,
10/16 03Z,   0.40,  -6.68,  -6.88,  99.90,  -0.60,
10/16 04Z,   0.40,  -8.68,  -8.69,  99.90,  -0.41,
10/16 05Z,   0.30, -10.46, -10.51,  99.90,  -0.35,
10/16 06Z,   0.30, -11.67, -11.75,  99.90,  -0.38,
10/16 07Z,   0.30, -12.10, -11.95,  99.90,  -0.15,  (min)
10/16 08Z,   0.30, -11.69, -11.47,  99.90,  -0.08,
10/16 09Z,   0.40, -10.61, -10.33,  99.90,  -0.12,
10/16 10Z,   0.50,  -9.13,  -9.04,  99.90,  -0.41,
10/16 11Z,   0.70,  -7.61,  -7.34,  99.90,  -0.43,
10/16 12Z,   0.50,  -6.40,  -5.98,  99.90,  -0.08,
10/16 13Z,   0.50,  -5.72,  -5.32,  99.90,  -0.10,  (max)
10/16 14Z,   0.50,  -5.66,  -5.39,  99.90,  -0.23,
10/16 15Z,   0.60,  -6.14,  -5.93,  99.90,  -0.39,
10/16 16Z,   0.60,  -6.91,  -6.48,  99.90,  -0.17,
10/16 17Z,   0.60,  -7.70,  -7.55,  99.90,  -0.45,
10/16 18Z,   0.50,  -8.20,  -8.00,  99.90,  -0.30,
10/16 19Z,   0.40,  -8.22,  -8.05,  99.90,  -0.23,  (min)
10/16 20Z,   0.40,  -7.72,  -7.71,  99.90,  -0.39,
10/16 21Z,   0.40,  -6.78,  -6.78,  99.90,  -0.40,
10/16 22Z,   0.50,  -5.64,  -5.55,  99.90,  -0.41,
10/16 23Z,   0.50,  -4.59,  -4.46,  99.90,  -0.37,
10/17 00Z,   0.50,  -3.94,  -3.76,  99.90,  -0.32,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/17 01Z,   0.40,  -3.88,  99.90,  -3.80,  -0.33,
10/17 02Z,   0.30,  -4.48,  99.90,  -4.51,  -0.33,
10/17 03Z,   0.30,  -5.68,  99.90,  -5.71,  -0.33,
10/17 04Z,   0.30,  -7.25,  99.90,  -7.28,  -0.33,
10/17 05Z,   0.20,  -8.89,  99.90,  -9.02,  -0.33,
10/17 06Z,   0.10, -10.29,  99.90, -10.52,  -0.33,
10/17 07Z,   0.00, -11.18,  99.90, -11.51,  -0.33,
10/17 08Z,   0.00, -11.43,  99.90, -11.77,  -0.33,  (min)
10/17 09Z,   0.00, -11.03,  99.90, -11.37,  -0.33,
10/17 10Z,   0.10, -10.12,  99.90, -10.35,  -0.33,
10/17 11Z,   0.10,  -8.92,  99.90,  -9.15,  -0.34,
10/17 12Z,   0.20,  -7.71,  99.90,  -7.85,  -0.34,
10/17 13Z,   0.30,  -6.75,  99.90,  -6.79,  -0.34,
10/17 14Z,   0.40,  -6.21,  99.90,  -6.14,  -0.34,
10/17 15Z,   0.40,  -6.12,  99.90,  -6.06,  -0.34,  (max)
10/17 16Z,   0.40,  -6.43,  99.90,  -6.37,  -0.34,
10/17 17Z,   0.40,  -6.95,  99.90,  -6.89,  -0.34,
10/17 18Z,   0.50,  -7.47,  99.90,  -7.30,  -0.34,
10/17 19Z,   0.40,  -7.77,  99.90,  -7.71,  -0.34,  (min)
10/17 20Z,   0.40,  -7.72,  99.90,  -7.66,  -0.34,
10/17 21Z,   0.40,  -7.29,  99.90,  -7.23,  -0.34,
10/17 22Z,   0.40,  -6.57,  99.90,  -6.51,  -0.34,
10/17 23Z,   0.40,  -5.73,  99.90,  -5.66,  -0.34,
10/18 00Z,   0.30,  -4.99,  99.90,  -5.02,  -0.34,
10/18 01Z,   0.30,  -4.56,  99.90,  -4.60,  -0.34,  (max)
10/18 02Z,   0.30,  -4.60,  99.90,  -4.64,  -0.34,
10/18 03Z,   0.30,  -5.16,  99.90,  -5.19,  -0.34,
10/18 04Z,   0.30,  -6.16,  99.90,  -6.19,  -0.34,
10/18 05Z,   0.30,  -7.44,  99.90,  -7.48,  -0.34,
10/18 06Z,   0.30,  -8.78,  99.90,  -8.82,  -0.34,
10/18 07Z,   0.30,  -9.93,  99.90,  -9.97,  -0.34,
10/18 08Z,   0.30, -10.70,  99.90, -10.73,  -0.34,
10/18 09Z,   0.20, -10.95,  99.90, -11.09,  -0.34,  (min)
10/18 10Z,   0.20, -10.68,  99.90, -10.81,  -0.34,
10/18 11Z,   0.10,  -9.96,  99.90, -10.20,  -0.34,
10/18 12Z,   0.00,  -8.98,  99.90,  -9.32,  -0.34,
10/18 13Z,  -0.10,  -7.94,  99.90,  -8.38,  -0.34,
10/18 14Z,  -0.10,  -7.05,  99.90,  -7.49,  -0.34,
10/18 15Z,  -0.20,  -6.47,  99.90,  -7.01,  -0.34,
10/18 16Z,  -0.30,  -6.25,  99.90,  -6.89,  -0.34,  (max)
10/18 17Z,  -0.30,  -6.37,  99.90,  -7.01,  -0.34,
10/18 18Z,  -0.30,  -6.72,  99.90,  -7.36,  -0.34,
10/18 19Z,  -0.30,  -7.13,  99.90,  -7.77,  -0.34,
10/18 20Z,  -0.30,  -7.43,  99.90,  -8.07,  -0.34,
10/18 21Z,  -0.30,  -7.50,  99.90,  -8.14,  -0.34,  (min)
10/18 22Z,  -0.30,  -7.28,  99.90,  -7.91,  -0.34,
10/18 23Z,  -0.30,  -6.80,  99.90,  -7.44,  -0.34,
10/19 00Z,  -0.30,  -6.18,  99.90,  -6.82,  -0.34,
10/19 01Z,  -0.40,  -5.59,  99.90,  -6.33,  -0.34,
10/19 02Z,  -0.40,  -5.20,  99.90,  -5.94,  -0.34,
10/19 03Z,  -0.40,  -5.15,  99.90,  -5.89,  -0.34,  (max)
10/19 04Z,  -0.40,  -5.51,  99.90,  -6.25,  -0.34,
10/19 05Z,  -0.40,  -6.28,  99.90,  -7.02,  -0.34,
10/19 06Z,  -0.50,  -7.34,  99.90,  -8.17,  -0.34,
10/19 07Z,  -0.50,  -8.51,  99.90,  -9.35,  -0.34,
10/19 08Z,  -0.50,  -9.60,  99.90, -10.44,  -0.34,
10/19 09Z,  -0.50, -10.40,  99.90, -11.24,  -0.34,
10/19 10Z,  -0.40, -10.77,  99.90, -11.51,  -0.34,  (min)
10/19 11Z,  -0.40, -10.64,  99.90, -11.38,  -0.34,
10/19 12Z,  -0.40, -10.05,  99.90, -10.79,  -0.34,
10/19 13Z,  -0.50,  -9.13,  99.90,  -9.97,  -0.34,
10/19 14Z,  -0.40,  -8.07,  99.90,  -8.81,  -0.34,
10/19 15Z,  -0.40,  -7.08,  99.90,  -7.82,  -0.34,
10/19 16Z,  -0.40,  -6.35,  99.90,  -7.09,  -0.34,
10/19 17Z,  -0.40,  -5.99,  99.90,  -6.73,  -0.34,  (max)
10/19 18Z,  -0.40,  -6.02,  99.90,  -6.76,  -0.34,
10/19 19Z,  -0.30,  -6.37,  99.90,  -7.00,  -0.34,
10/19 20Z,  -0.40,  -6.88,  99.90,  -7.62,  -0.34,
10/19 21Z,  -0.30,  -7.38,  99.90,  -8.01,  -0.34,
10/19 22Z,  -0.30,  -7.69,  99.90,  -8.32,  -0.34,
10/19 23Z,  -0.30,  -7.70,  99.90,  -8.34,  -0.34,  (min)
10/20 00Z,  -0.30,  -7.40,  99.90,  -8.04,  -0.34,
10/20 01Z,  -0.30,  -6.85,  99.90,  -7.49,  -0.34,
10/20 02Z,  -0.20,  -6.21,  99.90,  -6.75,  -0.34,
10/20 03Z,  -0.20,  -5.67,  99.90,  -6.20,  -0.34,
10/20 04Z,  -0.10,  -5.40,  99.90,  -5.83,  -0.34,  (max)
10/20 05Z,  -0.20,  -5.54,  99.90,  -6.07,  -0.34,
10/20 06Z,  -0.10,  -6.12,  99.90,  -6.56,  -0.34,
10/20 07Z,   0.00,  -7.09,  99.90,  -7.43,  -0.34,
10/20 08Z,   0.00,  -8.27,  99.90,  -8.61,  -0.34,
10/20 09Z,   0.00,  -9.46,  99.90,  -9.79,  -0.34,
10/20 10Z,   0.00, -10.39,  99.90, -10.73,  -0.34,
10/20 11Z,   0.20, -10.87,  99.90, -11.01,  -0.34,  (min)
10/20 12Z,   0.20, -10.80,  99.90, -10.94,  -0.34,
10/20 13Z,   0.30, -10.18,  99.90, -10.21,  -0.34,
10/20 14Z,   0.40,  -9.13,  99.90,  -9.06,  -0.34,
10/20 15Z,   0.30,  -7.88,  99.90,  -7.91,  -0.34,
10/20 16Z,   0.40,  -6.69,  99.90,  -6.63,  -0.34,
10/20 17Z,   0.40,  -5.81,  99.90,  -5.75,  -0.34,
10/20 18Z,   0.50,  -5.41,  99.90,  -5.24,  -0.34,