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
#Sand Point, AK : 05/20/2025 21:22:08 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/19 06Z,  -0.50,   4.66,   4.88,  99.90,   0.72,
05/19 07Z,  -0.50,   4.22,   4.38,  99.90,   0.66,
05/19 08Z,  -0.50,   3.85,   4.25,  99.90,   0.90,
05/19 09Z,  -0.40,   3.75,   4.06,  99.90,   0.71,  (min)
05/19 10Z,  -0.40,   3.92,   4.11,  99.90,   0.59,
05/19 11Z,  -0.50,   4.32,   4.52,  99.90,   0.70,
05/19 12Z,  -0.50,   4.89,   5.08,  99.90,   0.69,
05/19 13Z,  -0.60,   5.51,   5.69,  99.90,   0.78,
05/19 14Z,  -0.50,   5.94,   6.14,  99.90,   0.70,  (max)
05/19 15Z,  -0.50,   5.97,   6.08,  99.90,   0.61,
05/19 16Z,  -0.50,   5.54,   5.73,  99.90,   0.69,
05/19 17Z,  -0.60,   4.74,   5.01,  99.90,   0.87,
05/19 18Z,  -0.50,   3.64,   3.91,  99.90,   0.77,
05/19 19Z,  -0.50,   2.36,   2.59,  99.90,   0.73,
05/19 20Z,  -0.50,   1.18,   1.53,  99.90,   0.85,
05/19 21Z,  -0.50,   0.36,   0.72,  99.90,   0.86,
05/19 22Z,  -0.50,   0.05,   0.48,  99.90,   0.93,  (min)
05/19 23Z,  -0.50,   0.23,   0.49,  99.90,   0.76,
05/20 00Z,  -0.40,   0.87,   1.16,  99.90,   0.69,
05/20 01Z,  -0.40,   1.88,   2.22,  99.90,   0.74,
05/20 02Z,  -0.40,   3.05,   3.29,  99.90,   0.64,
05/20 03Z,  -0.40,   4.08,   4.37,  99.90,   0.69,
05/20 04Z,  -0.50,   4.80,   4.92,  99.90,   0.62,
05/20 05Z,  -0.50,   5.15,   5.39,  99.90,   0.74,  (max)
05/20 06Z,  -0.40,   5.15,   5.37,  99.90,   0.62,
05/20 07Z,  -0.40,   4.80,   4.96,  99.90,   0.56,
05/20 08Z,  -0.30,   4.26,   4.54,  99.90,   0.58,
05/20 09Z,  -0.30,   3.77,   4.05,  99.90,   0.58,
05/20 10Z,  -0.40,   3.52,   3.91,  99.90,   0.79,
05/20 11Z,  -0.40,   3.54,   3.90,  99.90,   0.76,  (min)
05/20 12Z,  -0.20,   3.81,   4.04,  99.90,   0.43,
05/20 13Z,  -0.20,   4.30,   4.59,  99.90,   0.49,
05/20 14Z,  -0.20,   4.90,   5.18,  99.90,   0.48,
05/20 15Z,  -0.30,   5.36,   5.65,  99.90,   0.59,
05/20 16Z,  -0.40,   5.48,   5.81,  99.90,   0.73,  (max)
05/20 17Z,  -0.40,   5.21,   5.50,  99.90,   0.69,
05/20 18Z,  -0.30,   4.58,   5.03,  99.90,   0.75,
05/20 19Z,  -0.30,   3.63,   4.13,  99.90,   0.80,
05/20 20Z,  -0.20,   2.49,   2.98,  99.90,   0.69,
05/20 21Z,  -0.10,   1.42,   2.06,  99.90,   0.74,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/20 22Z,   0.00,   0.68,  99.90,   1.43,   0.75,
05/20 23Z,   0.00,   0.41,  99.90,   1.17,   0.76,  (min)
05/21 00Z,  -0.10,   0.62,  99.90,   1.28,   0.76,
05/21 01Z,  -0.10,   1.28,  99.90,   1.95,   0.77,
05/21 02Z,  -0.10,   2.34,  99.90,   3.01,   0.77,
05/21 03Z,   0.00,   3.54,  99.90,   4.32,   0.78,
05/21 04Z,   0.00,   4.58,  99.90,   5.37,   0.78,
05/21 05Z,   0.00,   5.29,  99.90,   6.08,   0.79,
05/21 06Z,   0.00,   5.60,  99.90,   6.40,   0.80,  (max)
05/21 07Z,   0.00,   5.48,  99.90,   6.28,   0.80,
05/21 08Z,   0.00,   4.95,  99.90,   5.76,   0.81,
05/21 09Z,   0.00,   4.19,  99.90,   5.00,   0.81,
05/21 10Z,   0.00,   3.46,  99.90,   4.28,   0.81,
05/21 11Z,   0.00,   2.98,  99.90,   3.79,   0.81,
05/21 12Z,   0.00,   2.80,  99.90,   3.61,   0.81,  (min)
05/21 13Z,  -0.10,   2.95,  99.90,   3.67,   0.81,
05/21 14Z,  -0.10,   3.44,  99.90,   4.16,   0.81,
05/21 15Z,   0.00,   4.13,  99.90,   4.94,   0.81,
05/21 16Z,   0.00,   4.75,  99.90,   5.56,   0.81,
05/21 17Z,   0.00,   5.07,  99.90,   5.89,   0.81,  (max)
05/21 18Z,   0.00,   5.03,  99.90,   5.84,   0.81,
05/21 19Z,   0.00,   4.61,  99.90,   5.42,   0.81,
05/21 20Z,   0.00,   3.81,  99.90,   4.62,   0.81,
05/21 21Z,  -0.10,   2.76,  99.90,   3.48,   0.81,
05/21 22Z,  -0.10,   1.75,  99.90,   2.46,   0.81,
05/21 23Z,  -0.20,   1.05,  99.90,   1.66,   0.81,
05/22 00Z,  -0.30,   0.80,  99.90,   1.31,   0.81,  (min)
05/22 01Z,  -0.40,   1.04,  99.90,   1.45,   0.81,
05/22 02Z,  -0.50,   1.77,  99.90,   2.09,   0.81,
05/22 03Z,  -0.50,   2.92,  99.90,   3.23,   0.81,
05/22 04Z,  -0.50,   4.19,  99.90,   4.50,   0.81,
05/22 05Z,  -0.40,   5.27,  99.90,   5.68,   0.81,
05/22 06Z,  -0.40,   5.95,  99.90,   6.37,   0.81,
05/22 07Z,  -0.40,   6.16,  99.90,   6.57,   0.81,  (max)
05/22 08Z,  -0.40,   5.83,  99.90,   6.25,   0.81,
05/22 09Z,  -0.30,   5.01,  99.90,   5.52,   0.81,
05/22 10Z,  -0.30,   3.91,  99.90,   4.43,   0.81,
05/22 11Z,  -0.30,   2.87,  99.90,   3.38,   0.81,
05/22 12Z,  -0.40,   2.11,  99.90,   2.53,   0.81,
05/22 13Z,  -0.40,   1.75,  99.90,   2.17,   0.81,  (min)
05/22 14Z,  -0.40,   1.86,  99.90,   2.27,   0.81,
05/22 15Z,  -0.40,   2.44,  99.90,   2.86,   0.81,
05/22 16Z,  -0.30,   3.33,  99.90,   3.84,   0.81,
05/22 17Z,  -0.30,   4.20,  99.90,   4.71,   0.81,
05/22 18Z,  -0.30,   4.80,  99.90,   5.32,   0.81,
05/22 19Z,  -0.20,   5.02,  99.90,   5.63,   0.81,  (max)
05/22 20Z,  -0.20,   4.79,  99.90,   5.41,   0.81,
05/22 21Z,  -0.10,   4.11,  99.90,   4.82,   0.81,
05/22 22Z,  -0.10,   3.11,  99.90,   3.82,   0.81,
05/22 23Z,  -0.20,   2.12,  99.90,   2.73,   0.81,
05/23 00Z,  -0.20,   1.43,  99.90,   2.04,   0.81,
05/23 01Z,  -0.30,   1.20,  99.90,   1.72,   0.81,  (min)
05/23 02Z,  -0.30,   1.51,  99.90,   2.02,   0.81,
05/23 03Z,  -0.30,   2.36,  99.90,   2.87,   0.81,
05/23 04Z,  -0.30,   3.62,  99.90,   4.14,   0.81,
05/23 05Z,  -0.20,   4.99,  99.90,   5.60,   0.81,
05/23 06Z,  -0.20,   6.09,  99.90,   6.70,   0.81,
05/23 07Z,  -0.10,   6.70,  99.90,   7.41,   0.81,
05/23 08Z,  -0.10,   6.72,  99.90,   7.44,   0.81,  (max)
05/23 09Z,   0.00,   6.09,  99.90,   6.90,   0.81,
05/23 10Z,   0.00,   4.88,  99.90,   5.70,   0.81,
05/23 11Z,  -0.10,   3.39,  99.90,   4.11,   0.81,
05/23 12Z,  -0.10,   2.01,  99.90,   2.72,   0.81,
05/23 13Z,  -0.20,   1.00,  99.90,   1.62,   0.81,
05/23 14Z,  -0.20,   0.53,  99.90,   1.14,   0.81,  (min)
05/23 15Z,  -0.30,   0.69,  99.90,   1.20,   0.81,
05/23 16Z,  -0.30,   1.46,  99.90,   1.98,   0.81,
05/23 17Z,  -0.30,   2.62,  99.90,   3.14,   0.81,
05/23 18Z,  -0.30,   3.80,  99.90,   4.32,   0.81,
05/23 19Z,  -0.20,   4.70,  99.90,   5.32,   0.81,
05/23 20Z,  -0.20,   5.16,  99.90,   5.77,   0.81,  (max)
05/23 21Z,  -0.20,   5.08,  99.90,   5.69,   0.81,
05/23 22Z,  -0.20,   4.45,  99.90,   5.06,   0.81,
05/23 23Z,  -0.20,   3.45,  99.90,   4.07,   0.81,
05/24 00Z,  -0.30,   2.46,  99.90,   2.97,   0.81,
05/24 01Z,  -0.30,   1.79,  99.90,   2.30,   0.81,
05/24 02Z,  -0.30,   1.61,  99.90,   2.12,   0.81,  (min)
05/24 03Z,  -0.40,   2.01,  99.90,   2.43,   0.81,
05/24 04Z,  -0.40,   3.01,  99.90,   3.43,   0.81,
05/24 05Z,  -0.40,   4.42,  99.90,   4.84,   0.81,
05/24 06Z,  -0.40,   5.86,  99.90,   6.27,   0.81,
05/24 07Z,  -0.30,   6.94,  99.90,   7.45,   0.81,
05/24 08Z,  -0.30,   7.42,  99.90,   7.93,   0.81,  (max)
05/24 09Z,  -0.20,   7.18,  99.90,   7.79,   0.81,
05/24 10Z,  -0.20,   6.17,  99.90,   6.79,   0.81,
05/24 11Z,  -0.20,   4.54,  99.90,   5.16,   0.81,
05/24 12Z,  -0.30,   2.67,  99.90,   3.18,   0.81,
05/24 13Z,  99.90,   0.99,  99.90,  99.90,   0.81,
05/24 14Z,  99.90,  -0.19,  99.90,  99.90,   0.81,
05/24 15Z,  99.90,  -0.68,  99.90,  99.90,   0.81,
05/24 16Z,  99.90,  -0.38,  99.90,  99.90,   0.81,
05/24 17Z,  99.90,   0.66,  99.90,  99.90,   0.81,
05/24 18Z,  99.90,   2.13,  99.90,  99.90,   0.81,