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
#Sitka, AK : 03/21/2025 14:23:25 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/19 18Z,   0.80, -11.63, -11.25,  99.90,  -0.42,
03/19 19Z,   0.80, -11.79, -11.50,  99.90,  -0.51,  (min)
03/19 20Z,   0.80, -11.08, -10.77,  99.90,  -0.49,
03/19 21Z,   0.90,  -9.74,  -9.43,  99.90,  -0.59,
03/19 22Z,   0.90,  -8.13,  -7.88,  99.90,  -0.65,
03/19 23Z,   1.00,  -6.65,  -6.41,  99.90,  -0.76,
03/20 00Z,   0.80,  -5.64,  -5.42,  99.90,  -0.58,
03/20 01Z,   0.80,  -5.32,  -5.10,  99.90,  -0.58,  (max)
03/20 02Z,   0.90,  -5.68,  -5.43,  99.90,  -0.65,
03/20 03Z,   0.90,  -6.56,  -6.29,  99.90,  -0.63,
03/20 04Z,   1.00,  -7.63,  -7.33,  99.90,  -0.70,
03/20 05Z,   1.00,  -8.55,  -8.23,  99.90,  -0.68,
03/20 06Z,   0.70,  -9.00,  -8.71,  99.90,  -0.41,  (min)
03/20 07Z,   0.80,  -8.80,  -8.50,  99.90,  -0.50,
03/20 08Z,   0.90,  -7.97,  -7.56,  99.90,  -0.49,
03/20 09Z,   0.90,  -6.68,  -6.32,  99.90,  -0.54,
03/20 10Z,   0.90,  -5.25,  -4.84,  99.90,  -0.49,
03/20 11Z,   0.90,  -4.03,  -3.67,  99.90,  -0.54,
03/20 12Z,   0.70,  -3.36,  -3.01,  99.90,  -0.35,  (max)
03/20 13Z,   0.80,  -3.45,  -3.14,  99.90,  -0.49,
03/20 14Z,   0.80,  -4.30,  -3.92,  99.90,  -0.42,
03/20 15Z,   0.80,  -5.78,  -5.40,  99.90,  -0.42,
03/20 16Z,   0.80,  -7.57,  -7.20,  99.90,  -0.43,
03/20 17Z,   0.80,  -9.31,  -8.99,  99.90,  -0.48,
03/20 18Z,   0.60, -10.65, -10.40,  99.90,  -0.35,
03/20 19Z,   0.60, -11.34, -11.09,  99.90,  -0.35,  (min)
03/20 20Z,   0.60, -11.27, -11.01,  99.90,  -0.34,
03/20 21Z,   0.70, -10.53, -10.29,  99.90,  -0.46,
03/20 22Z,   0.80,  -9.35,  -9.07,  99.90,  -0.52,
03/20 23Z,   0.80,  -8.03,  -7.76,  99.90,  -0.53,
03/21 00Z,   0.60,  -6.89,  -6.52,  99.90,  -0.23,
03/21 01Z,   0.60,  -6.18,  -5.76,  99.90,  -0.18,
03/21 02Z,   0.70,  -6.01,  -5.58,  99.90,  -0.27,  (max)
03/21 03Z,   0.80,  -6.33,  -5.84,  99.90,  -0.31,
03/21 04Z,   0.90,  -6.97,  -6.43,  99.90,  -0.36,
03/21 05Z,   0.90,  -7.68,  -7.17,  99.90,  -0.39,
03/21 06Z,   0.60,  -8.19,  -7.69,  99.90,  -0.10,
03/21 07Z,   0.60,  -8.29,  -7.88,  99.90,  -0.19,  (min)
03/21 08Z,   0.70,  -7.90,  -7.44,  99.90,  -0.24,
03/21 09Z,   0.80,  -7.06,  -6.65,  99.90,  -0.39,
03/21 10Z,   1.00,  -5.96,  -5.50,  99.90,  -0.54,
03/21 11Z,   1.10,  -4.86,  -4.38,  99.90,  -0.62,
03/21 12Z,   1.10,  -4.04,  -3.59,  99.90,  -0.65,
03/21 13Z,   1.10,  -3.73,  -3.30,  99.90,  -0.67,  (max)
03/21 14Z,   1.00,  -4.04,  -3.61,  99.90,  -0.57,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/21 15Z,   0.90,  -4.96,  99.90,  -4.62,  -0.56,
03/21 16Z,   0.80,  -6.33,  99.90,  -6.08,  -0.55,
03/21 17Z,   0.60,  -7.88,  99.90,  -7.83,  -0.54,
03/21 18Z,   0.50,  -9.33,  99.90,  -9.37,  -0.54,
03/21 19Z,   0.50, -10.41,  99.90, -10.44,  -0.53,
03/21 20Z,   0.50, -10.95,  99.90, -10.97,  -0.52,  (min)
03/21 21Z,   0.50, -10.88,  99.90, -10.89,  -0.52,
03/21 22Z,   0.60, -10.28,  99.90, -10.19,  -0.51,
03/21 23Z,   0.60,  -9.35,  99.90,  -9.25,  -0.50,
03/22 00Z,   0.60,  -8.30,  99.90,  -8.19,  -0.49,
03/22 01Z,   0.70,  -7.38,  99.90,  -7.17,  -0.49,
03/22 02Z,   0.70,  -6.77,  99.90,  -6.55,  -0.48,
03/22 03Z,   0.70,  -6.54,  99.90,  -6.32,  -0.48,  (max)
03/22 04Z,   0.70,  -6.66,  99.90,  -6.44,  -0.48,
03/22 05Z,   0.60,  -7.01,  99.90,  -6.89,  -0.48,
03/22 06Z,   0.50,  -7.41,  99.90,  -7.38,  -0.48,
03/22 07Z,   0.40,  -7.66,  99.90,  -7.74,  -0.48,  (min)
03/22 08Z,   0.40,  -7.63,  99.90,  -7.71,  -0.48,
03/22 09Z,   0.40,  -7.26,  99.90,  -7.34,  -0.48,
03/22 10Z,   0.40,  -6.59,  99.90,  -6.67,  -0.48,
03/22 11Z,   0.40,  -5.75,  99.90,  -5.83,  -0.48,
03/22 12Z,   0.30,  -4.95,  99.90,  -5.12,  -0.48,
03/22 13Z,   0.30,  -4.37,  99.90,  -4.55,  -0.48,
03/22 14Z,   0.40,  -4.20,  99.90,  -4.28,  -0.48,  (max)
03/22 15Z,   0.40,  -4.51,  99.90,  -4.59,  -0.48,
03/22 16Z,   0.40,  -5.31,  99.90,  -5.38,  -0.48,
03/22 17Z,   0.40,  -6.47,  99.90,  -6.54,  -0.48,
03/22 18Z,   0.30,  -7.80,  99.90,  -7.98,  -0.48,
03/22 19Z,   0.30,  -9.09,  99.90,  -9.27,  -0.48,
03/22 20Z,   0.30, -10.11,  99.90, -10.29,  -0.48,
03/22 21Z,   0.40, -10.71,  99.90, -10.78,  -0.48,
03/22 22Z,   0.40, -10.80,  99.90, -10.88,  -0.48,  (min)
03/22 23Z,   0.40, -10.43,  99.90, -10.51,  -0.48,
03/23 00Z,   0.40,  -9.71,  99.90,  -9.79,  -0.48,
03/23 01Z,   0.40,  -8.80,  99.90,  -8.88,  -0.48,
03/23 02Z,   0.40,  -7.90,  99.90,  -7.98,  -0.48,
03/23 03Z,   0.40,  -7.17,  99.90,  -7.25,  -0.48,
03/23 04Z,   0.30,  -6.73,  99.90,  -6.91,  -0.48,
03/23 05Z,   0.30,  -6.59,  99.90,  -6.77,  -0.48,  (max)
03/23 06Z,   0.20,  -6.69,  99.90,  -6.97,  -0.48,
03/23 07Z,   0.20,  -6.93,  99.90,  -7.21,  -0.48,
03/23 08Z,   0.30,  -7.15,  99.90,  -7.33,  -0.48,
03/23 09Z,   0.30,  -7.23,  99.90,  -7.40,  -0.48,  (min)
03/23 10Z,   0.40,  -7.06,  99.90,  -7.14,  -0.48,
03/23 11Z,   0.50,  -6.64,  99.90,  -6.62,  -0.48,
03/23 12Z,   0.60,  -6.04,  99.90,  -5.92,  -0.48,
03/23 13Z,   0.60,  -5.38,  99.90,  -5.26,  -0.48,
03/23 14Z,   0.70,  -4.83,  99.90,  -4.61,  -0.48,
03/23 15Z,   0.70,  -4.55,  99.90,  -4.33,  -0.48,  (max)
03/23 16Z,   0.60,  -4.68,  99.90,  -4.56,  -0.48,
03/23 17Z,   0.60,  -5.25,  99.90,  -5.13,  -0.48,
03/23 18Z,   0.60,  -6.23,  99.90,  -6.11,  -0.48,
03/23 19Z,   0.60,  -7.48,  99.90,  -7.35,  -0.48,
03/23 20Z,   0.60,  -8.79,  99.90,  -8.67,  -0.48,
03/23 21Z,   0.70,  -9.96,  99.90,  -9.74,  -0.48,
03/23 22Z,   0.80, -10.79,  99.90, -10.47,  -0.48,
03/23 23Z,   0.90, -11.12,  99.90, -10.70,  -0.48,  (min)
03/24 00Z,   0.90, -10.93,  99.90, -10.51,  -0.48,
03/24 01Z,   0.90, -10.27,  99.90,  -9.85,  -0.48,
03/24 02Z,   0.90,  -9.29,  99.90,  -8.86,  -0.48,
03/24 03Z,   0.90,  -8.19,  99.90,  -7.76,  -0.48,
03/24 04Z,   0.80,  -7.19,  99.90,  -6.86,  -0.48,
03/24 05Z,   0.80,  -6.46,  99.90,  -6.14,  -0.48,
03/24 06Z,   0.70,  -6.11,  99.90,  -5.89,  -0.48,  (max)
03/24 07Z,   0.70,  -6.14,  99.90,  -5.92,  -0.48,
03/24 08Z,   0.70,  -6.46,  99.90,  -6.24,  -0.48,
03/24 09Z,   0.60,  -6.89,  99.90,  -6.77,  -0.48,
03/24 10Z,   0.50,  -7.26,  99.90,  -7.24,  -0.48,
03/24 11Z,   0.50,  -7.40,  99.90,  -7.38,  -0.48,  (min)
03/24 12Z,   0.50,  -7.21,  99.90,  -7.19,  -0.48,
03/24 13Z,   0.40,  -6.69,  99.90,  -6.77,  -0.48,
03/24 14Z,   0.30,  -5.97,  99.90,  -6.15,  -0.48,
03/24 15Z,   0.30,  -5.21,  99.90,  -5.39,  -0.48,
03/24 16Z,   0.20,  -4.65,  99.90,  -4.93,  -0.48,
03/24 17Z,   0.10,  -4.49,  99.90,  -4.87,  -0.48,  (max)
03/24 18Z,   0.10,  -4.86,  99.90,  -5.24,  -0.48,
03/24 19Z,   0.10,  -5.77,  99.90,  -6.15,  -0.48,
03/24 20Z,   0.10,  -7.11,  99.90,  -7.49,  -0.48,
03/24 21Z,   0.00,  -8.66,  99.90,  -9.13,  -0.48,
03/24 22Z,   0.00, -10.12,  99.90, -10.60,  -0.48,
03/24 23Z,   0.10, -11.23,  99.90, -11.61,  -0.48,
03/25 00Z,   0.10, -11.75,  99.90, -12.13,  -0.48,  (min)
03/25 01Z,   0.10, -11.58,  99.90, -11.96,  -0.48,
03/25 02Z,   0.00, -10.77,  99.90, -11.24,  -0.48,
03/25 03Z,   0.00,  -9.49,  99.90,  -9.97,  -0.48,
03/25 04Z,   0.00,  -8.03,  99.90,  -8.50,  -0.48,
03/25 05Z,  -0.10,  -6.69,  99.90,  -7.27,  -0.48,
03/25 06Z,  -0.10,  -5.75,  99.90,  -6.32,  -0.48,